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System of automatic regulation of stiffness of road roller roll System of automatic regulation of stiffness of a road roller roll comprises: an upper band, a lower band, a spring, a rope clamp, a metal rope, a tension pulley, a drive motor, a reducer. The band is made as split. Parts of the band are connected with a spring, inside the spring from the rope clamp a metal rope is pulled, one end of which is fixed to ends of the band part, and the second end is fixed to the tension pulley located on the frame or axis of the roll. |
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Road surface structure includes a base from overconsolidated soil with consolidation coefficient Cc=1.02-1.03, in the cross section made in the form of a trapezoid, the lower side of which is equal to the width of the traffic area, and the upper side is made narrower than the traffic area width by 20-25 cm at each side, with arrangement of a support layer from compacted crushed stone of triangular shape with a top located near the base of the trapezoid, and a double-layer coating from asphalt concrete, made along the entire width of the traffic area of the motor road. At the same time the width of the support layer in the upper part at each side of the base is 20-25 cm. |
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Method to dry peat bogs during construction of landing strips of airfields Method includes regulation of a khor in its lower part flowing from the bog and damming of water inflow into the bog with the help of arrangement of a pipe culvert, which is coupled to each other with the help of heads. Several pits are dug on the shore of the mineral part of the bog for the depth of the peat deposit. Drainage pumps are installed into pits with installation of discharge lines via damper wells into the lower part of the creek. Then coffer dams are dug, and water is released from the bog into the pit, and then the pumps are started, and water is pumped into the creek. After surface and partially ground waters have been pumped, and peat has settled, they start digging an open drainage network, coupling it via coffer dams with pits, still pumping water with pumps. At the same time peat reclamation is started from the shore line of the peat bog, and peat is replaced with mineral soil, simultaneously installing perforated wells in deepest areas on the bottom of the former peatbog, and the wells are previously wrapped with geotextile. Drainage pumps are placed into perforated wells, and ground waters are pumped into the lower part of the creek, thus reducing ground waters and creating conditions for final replacement of peat with mineral soil. |
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Method to repair asphaltic concrete pavement after sampling with core barrel (versions) Method to repair an asphaltic concrete pavement after sampling with a core barrel includes filling of a hole with crushed stone and insertion of a plug into the hole. Besides, a bitumen net is laid onto the bottom of the hole and on top of crushed stone, the plug is inserted, made in the form of a cylinder with a diameter that is 4-8 mm less than the diameter of the core barrel crown, the slot between the plug and the hole is filled with sand, on top the joint is poured with hot bitumen, or edges of the road pavement and the plug are heated with a burner, and a bitumen tab is applied. |
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Road surface "avf-1" and method of its arrangement Road surface comprises a drainage ballast base and a solid coating placed on top of it, including pavement tiles of different configurations and dimensions in plan. Pavement tiles are made in the form of separate solid elements, combined with the below arranged solid monolithic reinforced slab, with which they are continuously connected and form a single monolithic structure of the solid coating. Between the pavement tiles there are water-impermeable partitions built in, having arbitrary contour in plan, which follows configuration of side faces of pavement tiles, and their height makes (40-80)% of the total thickness of the single monolithic design of the solid coating. In different configurations of pavement tiles the total quantity of external and internal angles may amount to any number, up to 10. There is a method proposed to arrange a road surface with pavement tiles. In the road surface under temperature and subsidence deformations of the coating the contact joints of pavement tiles always remain tightly closed. |
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Method and device for making modified rubber-bitumen putties Method includes heating of bitumen to temperature of 90-120°C in a heat insulated reservoir (1), addition of rubber crumb and polyethylene. Besides, rubber crumb is added into the reservoir into bitumen in the amount of 10-20 wt % and mixed, and polyethylene is added into the additional heat insulated tight reservoir (14) in the amount of 1-2 wt % and poured with a self-flowing mixture of bitumen and rubber crumb. Then the produced mix is heated to temperature 130-170°C, and with the help of a gear pump (23) they perform multiple recirculation of the mix via the heat insulated reservoir. The device for preparation of putty comprises the heat insulated reservoir (1) with a heating device (2), a neck (3) and a mixing device (35), a mixing drive (42), a stop valve (12), a drain manifold (11) and pipelines. Besides, between the stop valve (12) and the neck (3) below the reservoir level (1) there is a tight heat insulated additional reservoir (14) with the second heating device (19), to the outlet of the reservoir (14) a recirculation pipeline (25) is connected, as well as a gear pump (23) with a drive (34), the outlet of the pipeline (25) is connected with the neck (3) of the reservoir (1). |
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Proposed surface is composed of plate-like cover elements laying to abut on each other. Opposite edges of abutting near cover elements have cut-outs extending in parallel with extension of surface of cover elements from said edges to cover elements. Opposite cut-outs are located on one straight line. Aligned locks are arranged to slide in one of said cut-outs on one straight line and to be partially displaced by control shaft into one of two cut-outs on one straight line, so that they can engage with both cut-outs on one straight line to cover disengagement between two adjacent cover elements. |
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Drying drum for bitumen macadam production plants Drying drum is designed for macadam production plants. Drying drum comprises tray connected thereto to create the flame to pass therein. Drying drum accommodates tubular shielding structure with lengthwise axis parallel with the drum major axis extending from the burner so that flame is localised inside shielding structure. Note here that separation ring is formed between said shielding structure and drum inner surface. Shielding structure comprises multiple cavities facing the drum inner surface to receive the material to be dried. Shielding structure is made of heat conducting material. |
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Roller of impact action with adjustable impact force Roller of impact action with adjustable impact force includes a longitudinal axis of roller rotation with symmetry plane perpendicular to the longitudinal axis of rotation, and radial guide rods placed discretely and regularly in parallel planes, being rigidly fixed on the axial cylindrical element, besides, guide rods are placed inside impact elements and are equipped in the plane of guide rods with two cantilever ledges fixed on them with the possibility of temporary fixation of impact elements on them and free fall of impact elements down. At the same time the cantilever ledge is made as capable of changing its position on the guide rod, and the impact element is made as capable of changing its mass. |
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Roller of impact action includes inner and outer cylindrical surfaces, a longitudinal axis of roller rotation with an axial cylindrical element, with radial guide rods arranged to it as discretely and regularly placed in parallel planes and impact elements moving along guides, acting at the inner surface of the roller and further to the processed surface. Radial guide rods are equipped with cantilever ledges as capable of temporary fixation of impact elements on them and are placed inside impact elements, and fixation of each radial guide rod to the inner surface of the roller is made as capable of limited movement of the roller surface relative to the radial rod. |
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Vibrating rammer for compaction of road construction materials Invention relates to construction equipment, particularly, to vibrating rammers. Vibrating rammer comprises board with platform to support the drive articulated with vibrator arranged at said board. Said platform is mounted on rolling bearings and is coupled with the board via hinged with horizontal pin. The latter is located opposite the vibrator, at the end of board with rounded working surface circumscribed by radius with centre located at hinge pin. Articulation between vibrator and drive is composed by two-step belt drive with idle pulleys aligned with horizontal hinge. Vibrator and hinge are mounted at the board, at its opposite sides relative to the centre of gravity, at spacing defined by mathematical formula. Pin joint between said platform and said board rules out transfer of vertical oscillations to platform supporting the drive, hence to motor and operator handle. |
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Device to reduce slipperiness of roads Device includes gratings of strong materials which are installed on the road, covered with ice or snow. Equipment of grading elements with drives, allowing the gradings to carry out translational back motion is a new characteristic. This motion allows to move the falling snow under the gratings. |
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Road slab has the support surface in plane in the form of parallelogram and designed with sloping along the longitudinal axis of the road. |
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Device is made in the form of robust net equipped with flexible tie-rods which are made capable to be lifted by sliders. Sliders are moved using external drive or independently by means of self-propelled slider made as vibrator. |
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Road-roller working tool consists of a set of tires on axle, end discs, compression tool and main frame. Said set of tires and end discs are integrated into single stiff structure. |
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Recirculation combine asphalt road coating Invention can be used for removal of all layers of asphalt coating, its processing into an asphalt mixture and laying into a new road bed, compaction of the road way base, repair of formed pits, removal of coverings of wells, installation of new coverings into an elevation with the level of future asphalt coating. Recirculation combine of the asphalt road coating includes an asphalt coating gatherer connected to the platform by means of a seat connection, which are installed on pneumatic rollers. The asphalt coating gatherer is made in the form of a sleigh wedge. On the upper plane of the gatherer there are triangular cut-outs in the front part. The upper part of the gatherer is made in the form of a blade that is changed over to a tunnel. The gatherer includes a heater of removed asphalt coating before a guillotine. The guillotine is suspended on steel ropes removed with a winch with a ratchet mechanism of a telpher on a monorail for removal of coverings of wells. Piston-rod blades directed into triangular cut-outs of the gatherer and installed onto supports are fixed on bell cranks of a crank shaft. Beaters are fixed on the shaft of a hammer crusher of asphalt scraps on plate-like springs. Beaters move along a curved plane at rotation of the shaft. Beaters transfer tension to the plate-like spring. The plate-like spring is bent at rolling on a rounded baffle with varying distance to the shaft for tension of springs for the purpose of an abrupt impact on asphalt scrap on the gatherer blade. Vibrating compacters of the road base, accumulators of asphalt scrap that is screened with meshes installed at the tunnel bottom are used for levelling of the base for the future asphalt coating. A conveyor performs loading and lifting of asphalt scrap into a remelting furnace. Melting and optimisation of asphalt mixture with addition of bitumen or a reducing agent is performed in the remelting furnace. The following is installed on the platform: an asphalt coating remelting furnace, a beam crane for installation of new coverings of wells at the level of the future road bed, a bitumen warm-up reservoir for optimisation of asphalt mixture, an unloading conveyor of excess asphalt mixture to the side, an asphalt mixture storage bunker, an asphalt laying machine, a slit-type fraction calibrator of the laid asphalt mixture with removal of coarse fractions, and an inclined tray for removal of a calibrated fraction. A motor for actuation of combine units is installed in the gatherer. |
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Automatic control device of working mechanism of soil compacting machine Invention relates to construction, and namely to control of compaction of bulk soils. An automatic control device of an actuator of a working element of a soil compacting machine consists of an accelerometer, an amplifier, a band-pass filter, an amplifier with an adjustable amplification coefficient, a filter of the first harmonic, a frequency to analogue signal converter, an algebraic adder, a setting device of a soil compaction degree, an analogue-to-digital converter, a compactor, a trigger, a signal shaper and a memory unit. The device is equipped with monitoring converters of the number of machine passes, its movement speed, force and frequency of an impact of the working element, speed of a bell-crank mechanism, input and output normalisers for connection to a control object, an on-board microprocessor controller with a software, which is controlled with the actuator as per several optimum parameters. Primary converters are electrically connected through the input signal normaliser to Input 1 of the microprocessor controller, to Input 2 of which a signal is supplied from a comparison analyser, and control commands of the adjustable actuator kinematically connected to the working element of the machine are shaped from Input through the output normaliser. |
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Automobile road with hard coating, and its operating method Automobile road with a hard coating includes slabs consisting of two parts, the support surface of each of which has an ascend in a transport vehicle movement direction; connection of support surfaces to each other looks like a step, and height of the receiving side face of the slab is equal to height of a delivery side face. An operating method of an automobile road, which involves movement of transport vehicles along it, consists in the fact that movement of transport vehicles is performed along the proposed automobile road. |
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Forecasting method of operating life of road pavement Invention relates to measurement equipment, and namely to determination of evenness properties of a road pavement surface. Unlike known control methods of irregularities of a road pavement profile, and according to the proposed invention, quality of road pavement is determined as per vibration characteristics of moving automobile transport. The method consists in creation of a reference base of evenness parameters of road pavement at the road commissioning stage, for which characteristics of vibration actions of road pavement irregularities are used with regard to a measurement point of a satellite positioning system; monitoring of the state of the road pavement is performed during road operation by recording parameters of vibration actions of irregularities of the road pavement; data of test vibration measurements at similar points of the road are used in regression forecasting models to determine road operating life. |
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Device for mixing soil materials Invention relates to a device for mixing soil materials, in particular to a device for mixing additives directly with soil materials of the ground. The device comprises at least two mixing drums made with the ability to rotate around their axes of rotation which are located at a small distance from each other. Between the drums the fixing frame is located, on which the drop sleeve is fixedly mounted. At the upper end of the drop sleeve the attachment means are located for attachment to the lever for mounting the attached implement. The rotation axes of the mixing drums are inclined relative to the plane perpendicular to the vertical axis of the device, so that when the drop sleeve is in the upright position, the axes of rotation of the mixing drums are inclined downward toward the outer ends of the drums. Thus, the ends of the mixing drums, located closest to each other, are substantially closer to each other with their lower edges than with their upper edges. |
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Accident-free highway and method of its use Highway contains plates, the side edge of each of them is designed with height difference over the adjacent side edge of a receiving plate, the surface of the plate is designed as a parallelogram with sloping towards the receiving plate, the top of one of the acute angles of which is located on the side edge adjacent to the side edge of the receiving plate, from the right side in the direction of vehicle travel. A method of the road use, comprising the vehicle traffic, is that the vehicle traffic is performed by the proposed road. |
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Transportation and energy system of russia Invention relates to construction and operation of railways and roads in cold and extreme-cold climate and can be used in infrastructure development of the northern and eastern regions of Russia. Each transport facility is designed in the form of an extended in plan constructed ice massive of rectangular shape, encased in a thermofluid insulated shell. It is equipped with tunnels located in the ice massive, tower-shaped wind power plants, mounted on high-rise buildings, an ice-soil base, located along the entire length of the transport facility. Flight landing strips for aircrafts of light class, helipads, railway narrow-gauge tracks and cottages are located on the surface of the ice massive. These are also equipped with an airship with a compressor and a vertical air duct, and outside cold accumulators, each of which is filled with the concentrated aqueous sodium solution, connected to the compressor and a refrigerating unit for cooling the working medium and with the tunnel cavity through the air duct. Transport facilities are located primarily on the lower bank of large navigable rivers of Siberia and connected to the existing railway line, running from West to East, and vehicles are equipped with engines with gas and /or electric drive. |
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Dual carriageway and method of its use Dual carriageway contains plates, including those made on the traffic lane nearest to the longitudinal axis of the road, lateral edge of each of them is perpendicular to the longitudinal axis of the road, made with height difference h over the adjacent lateral edge of the receiving plate. |
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Dual carriageway contains plates, the lateral edge of each of them is perpendicular to the longitudinal axis of the road, made with height difference over the adjacent lateral edge of the receiving plate. A number of plates made on sections of the road equal in length with different maximum permitted speed is inversely proportional to the maximum permitted speed. Method of use of the highway includes vehicular traffic. |
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Automobile road, and its operating method Automobile road includes slabs, the edge of the side face of each of which is made with altitude difference h above the edge of the side face of the receiving slab, which is adjacent to it; with that, altitude difference h≤hp, where hp - height of a profile of a tyre of a transport vehicle wheel. An operating method of an automobile road, which involves movement of transport vehicles along it, consists in the fact that movement of transport vehicles is performed along the proposed automobile road. |
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Safe automobile road and its operating method Automobile road includes at least one turn to the left; it includes slabs on the outer side at the turn point; upper surface of each of the slabs at the contact point to the delivery slab is made with an exceedance above the adjacent upper surface of the delivery slab; with that, plane of the adjacent side face of the receiving slab is made relative to a tangent to the road axis at an angle corresponding to movement of a wheel of a transport vehicle to the left. An operating method of an automobile road, which involves movement of transport vehicles along it, consists in the fact that movement of transport vehicles is performed along the proposed automobile road. |
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Composition for arrangement of bases of road pavements and other structures Invention relates to construction and utilisation of wastes of heat engineering, and namely to reinforced ground compositions (soil cements), which can be used for construction of structures, including in structures of bases of road pavements of automobile roads; in an earth bed of automobile roads and other structures; for backfilling, elimination and recultivation of developed soil banks and slurry ponds; for reinforcement of sides of roads, slopes and cavities. Composition for arrangement of bases of road pavements and structures, which includes cement, slurry of chemical water treatment of CHP, and when necessary, for assurance of required humidity (optimum for compacting), it additionally contains sand at the following component ratio, wt % (by solid phase): sand 57-82, cement 6-12, CHP chemical water treatment slurry (on a dry basis) 12-30. The invention is developed in a subclaim of the formula. |
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Safe automobile road and its operating method Automobile road includes slabs, the side face of each of which has altitude difference above the adjacent side face of the receiving slab, which is adjacent to it; slab surface is made in the form of a parallelogram with an inclination towards the delivery slab, the vertex of an acute angle of which is located on side face adjacent to side face of the receiving slab, on the left side in the transport vehicle movement direction. An operating method of an automobile road, which involves movement of transport vehicles along it, consists in the fact that movement of transport vehicles is performed along the proposed automobile road. |
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Road slab includes two parts, the support surface of each of which has an ascend in a transport vehicle movement direction; with that, connection of support surfaces to each other looks like a step, and height of the receiving side face of the slab is equal to height of its delivery side face. |
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Soil mix for road construction Soil mix for road construction comprises a mineral binder, a mineral filler, soil, water and a chemical additive - organosilicic fluid Silor at the following ratio of components, wt %: portland cement 6-12, soil 15.2-68.8, mineral filler 15.2-68.8, organosilicic fluid Silor 0.05-0.5, water 7.5-11.95. |
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Safe motor road and method of its operation Motor road includes at least one turn left, in the place of the turn at the external side it comprises slabs, the upper surface of each in the area of the joint with the receiving slab is made as exceeding the adjacent upper surface of the receiving slab, at the same time the plane of the adjacent side face of the giving slab is made relative to the tangent to the axis of the road at the angle assisting motion of the vehicle wheel to the left. The method of operation of the motor road including movement of vehicles on it consists in the fact that vehicles move on the proposed motor road. |
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Safe motor road and method of its operation Motor road includes at least one turn right, in the place of the turn at the left side it comprises slabs, the upper surface of each in the area of the joint with the receiving slab is made as exceeding the adjacent upper surface of the receiving slab, at the same time the plane of the adjacent side face of the giving slab is made relative to the tangent to the axis of the road at the angle assisting motion of the vehicle wheel to the right. The method of operation of the motor road including movement of vehicles on it consists in the fact that vehicles move on the proposed motor road. |
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Diagnostics method of road carpet surface evenness In contrast to known methods to monitor irregularities of road carpet profile based on the measurement of the profile deviations by any method, the proposed invention implies that the road carpet quality is checked by the vibration characteristics of a moving vehicle, in particular, of a mobile vibration measuring system on a car base. The method implies that at the stage of putting a road into operation a reference base of road carpet evenness parameters is created while the characteristics of vibration effects of the road carpet irregularities with the measurement site correlation by a satellite positioning system are used as the above parameters; in the course of the road operation the road carpet state is monitored and the parameters of vibration effects caused by the road carpet irregularities are recorded, data of control measurements are compared to the reference data in the similar points of the route, basing on the difference of vibration effect parameters a decision on the road carpet repair or speed limitation at the problem road sections is made. |
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Geopolymer composite binders with given properties for cement and concrete Invention relates to geopolymer compositions. A dry mixture for a geopolymer binder contains at least one fly ash containing calcium oxide in amount of less than or equal to 15 wt %, at least one gel formation accelerator and at least one hardening accelerator having a composition different from that of said ash. Said dry mixture prepared by mixing with an activator. A geopolymer concrete or mortar composition obtained by mixing said binder with an aggregate. Methods of preparing a concrete or mortar composition using said binder. The invention is developed in subclaims. |
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Safe highway and method of its operation Highway includes at least one turn right, in the place of the turn at the outer side it comprises boards, the upper surface of which in the area of the butt with the giving board is made elevation above the adjacent upper surface of the giving board, at the same time the plane of the adjacent side face of the receiving board is made relative to the tangent to the axis of the road at the angle assisting motion of the wheel of the vehicle to the right. The method of highway operation including movement of vehicles on it, consists in the fact that vehicles are driven on the proposed highway. |
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Mixed grass canopy and method of its manufacturing Invention relates to a grass canopy for sports, recreation and (or) decoratory purposes, comprising a mat of flexible material having opposing first side and a second side. The mat is connected to plurality of fibres of artificial material forming an artificial grass canopy, which extends from the first side. In addition, the grass canopy comprises a metered quantity of loose filler, e.g. of granular type, distributed along the side of the mat. The grass canopy comprises the natural plant material, i.e. plants belonging to one or more species, which are placed in the loose filling by sowing, replanting the parts of plants or using a combination of both methods. Artificial material fibres have a shaped profile comprising a main plate and at least one side lobe. The side lobe has a curved profile forming a channel mostly parallel to the main plate, at that the channel profile partially or completely surrounds the space occupied by water, roots and loose filler, creating a supply of water for the roots. |
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Method to build highway with rigid coating of boards and board for its realisation Method to construct a highway with rigid coating by rectangular boards includes installation of boards with height difference h of the side face of the giving board above the adjacent side face of the receiving board, installation of boards with height difference h is done by making the entire surface of the receiving board, adjacent to the side face of the giving board, with an inclination towards the giving board. |
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Method to treat asphalt-concrete road surfaces Method to treat asphalt-concrete road surfaces with an organic solution of a composition of modified bitumen binder, in which treatment is carried out by impregnation of the upper layer of the asphalt-concrete coating with an impregnation composition, such as a composition of a modified bitumen binder containing 30-85 wt % of oil bitumen, 15-20 wt % of oil polymer resin and possibly 0-40 wt % of mineral oil and 0-5 wt % of surfactants, which is used as a solution in an organic dissolvent, having boiling temperature of 155-200°C, used at its weight ratio to the modified bitumen binder, equal to 70/30-50/50, at the same time application of the solution of the modified bitumen binder onto the asphalt-concrete coating is carried out by method of pouring with the norm of consumption of the solution of 0.1-0.4 l/m2 and at the temperature of -6-(+40°C). |
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Road structure comprises an earth bed, a road surface with an underlying layer, sides, a longitudinal drainage system filled with crushed stone of fraction 20-40 and arranged in the body of the earth bed along the axis of the road, water drainage outlets. The base of the earth bed fill under trenches of the rated traffic area from the normative car load is made by geometry of a triangular stiff core from strong easily compacted grainy materials, which have draining properties, and by giving orthotropic properties. |
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Multi-lane motor road and method of its operation Multi-lane motor road with two-way traffic comprises boards, the side face of each perpendicular to the longitudinal axis of the motor road is made with height difference above the adjacent side face of the receiving board, at the same time as the lane approaches the longitudinal axis of the road, the number of boards in the lane reduces. The method to operate a motor road, including vehicles traffic on it, consists in the fact that vehicles move along the motor road considered above. |
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Road structure comprises an earth bed, a road surface with an underlying layer, sides, a longitudinal drainage system filled with crushed stone of fraction 20-40 and arranged in the body of the earth bed along the axis of the road, and water drainage outlets. The base in the fill of the earth bed under the road surface is made according to geometry of the triangular stiff core from strong easily compacted grainy materials with draining properties. |
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Invention relates to artificial coating, in particular, for sport fields, garden design, golf courses, etc, with main layer, multiple segments of fibre and shock-absorbing material, in which fibre segments are attached to main layer. Shock-absorbing material is placed between fibre segments. Fibre segments consist mainly of, at least, one terephthalic acid polyester, in particular, poluethylene terephthalate (PET) from waste material. |
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Anvil for support piles of motor road with slab coverage Anvil for support piles of a motor road, comprising coverage with slabs, at which ends of adjacent slabs rest, has an end part made in the form of a step, onto the upper surface of which they install the end of the giving slab, and the end of the receiving slab is installed on the lower surface. |
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Method to construct safe motor road coated by boards Method to construct a motor road coated by boards includes insertion of piles into soil and placement of heads onto their upper ends, and installation of ends of adjacent boards onto common heads, at the same time the upper part of heads has a shape of a step, on the upper horizontal surface of which they install the end of the giving board, and the end of the receiving board is installed on the lower surface. |
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Motor road coated by boards and method for its operation, board for road coverage Motor road with coverage by rectangular boards comprises boards, on the surface of each of which perpendicularly to the longitudinal axis of the road there is a groove, the cross section of which at the side of the producing board is limited with a section of a vertical straight line, and at the other side it is limited also with a section of an inclined straight line. The method of motor road operation consists in the fact that vehicles are moved along the motor road considered above. The applicable rectangular board for formation of the road surface differs by the fact that it is used to form the road surface of the proposed motor road. |
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Motor road coated by boards and method for its operation, board for road coverage Motor road coated by rectangular boards comprises boards, on the surface of each of which perpendicularly to the longitudinal axis of the road there is a groove made with a section in the form of a rectangular triangle turned down with its hypotenuse, besides, the smaller cathetus of the triangle is arranged at the side of the producing board vertically. The method of motor road operation consists in the fact that vehicles are moved along the motor road considered above. The applicable rectangular board for formation of the road surface differs by the fact that it is used to form the road surface of the proposed motor road. |
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Computer-based automotive control system Invention relates to machine building. Proposed system comprises data recorder and reproducer built around magnetic carriers, tape recorder, computer, LC display, loud speaker and microwave transmitter. Magnetic data carrier is composed by road coat with ferromagnetic material. Playback head and feedback are mounted at carrier perpendicular to road coat to register magnetic field variations at carrier motion over specially configured road sections with magnetic carrier. Magnetic field variations converted by electromagnetic field are fed to microprocessor. Carrier moving over road coat with ferromagnetic filler reads data written at said section, processes it and sends to carrier actuators, identification code electronic transducer (vin), warning devices, monitor and loud speaker and to onboard computer. Data received in motion limits carrier speed to preset algorithms to inhibit motion to oncoming traffic lane and to stop the carrier at crossings and to identify the carrier. |
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Ramming device and method of soil ramming Group of inventions relates to the field of construction, namely, to a device and method of soil ramming. The ramming device comprises at least one moving drum made as capable of rotation around the shaft of the drum, connected vibration exciters, developing an oscillating torque around the shaft of the drum, besides, the specified vibration exciters contain unbalanced masses, which rotate not in the phase 180° in one and the same direction of rotation, and have a driving shaft moving coaxially to the shaft of the drum, for actuation of the vibration exciters. The drum is divided into at least once, each part of the drum comprises at least two connected vibration exciters installed in the drum at the distance from the drum shaft, and the vibration exciter of one part of the drum is connected with the vibration exciter of the other part of the drum. |
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Invention relates to construction, in particular, to road rollers for compaction of soil and materials during construction of roads and airfields. The device for compaction of soils includes a closed caterpillar belt tightened onto guide wheels, installed on a frame, stretchers of the caterpillar belt, attached to the frame and axis of one guide wheel and installed as capable of horizontal movement during tension of the belt, a roller, the length of which does not exceed the width of the caterpillar belt, installed on the frame between guide wheels and upper and lower parts of the caterpillar belt as capable of vertical displacement relative to the frame, besides, on the vertical stands of roller movement and on the frame there are load platforms, on the outer surface of rollers and guide wheels there are guide slots, section of which exceeds the dimensions of guide ledges on the inner surface of the caterpillar belt. The device for soil compaction has a trailer fixed on the frame for connection with a tractor. The device provides for increased thickness of the compacted soil layer by using a more efficient pattern of loading of the compacted surface due to increased dimensions of the contact surface under the roller. The device creates distributed load at both sides from the contact surface under the roller to the compacted surface, loading the compacted surface of soil and material, suppressing the possibility for creation of a shift wave of damage both upstream and downstream the roller. |
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Prefabricated rail cover comprises solid reinforced concrete track slabs placed on a bearing substrate and laid as butt-joined with channels in the form of parallel locating blocks, in which aflush with the upper surface of the slabs on elastic substrates there are rails installed that are connected to each other by means of welding. The cover is made in the form of a set from two types of blocks. The invention also relates to the methods for fixation of track rails to slabs for both types of blocks. Besides, the invention relates to the slab design for blocks with helical fastening elements. |
Another patent 2528376.