Pile

 

(57) Abstract:

The inventive 8 the lower part of the pile shaft, consisting of a fusible building material the strength of which corresponds to the strength of the material of the upper common trunk formed a Central cavity 8 which tiers placed containers with carbon dioxide, and between them a layer of dry building material that can generate heat when wet, while the Central cavity is communicated with the atmosphere through the channel and interoperable through it flexible shaft on the tank and layer . 2 FOR f-crystals,ia

 

Same patents:

Bearing pile // 2251609

FIELD: building, particularly for constructing foundations of various building structures.

SUBSTANCE: bearing pile comprises head, rod and tip fixed to embedded rod part by embedded member. The tip is formed of thermoplastic concrete and has electric heater located inside the tip. Electric heater heats the tip after driving thereof into ground as far as it will go to obtain softening temperature of 80-150°C. Then the pile is fully driven in ground. Electric heater wires are placed in tube in longitudinal rod direction and brought outside under pile head for connection thereof with electric power source.

EFFECT: increased load-bearing pile capacity due to provision of widened pile tip support area.

2 cl, 5 dwg

FIELD: bulkheads, piles, or other structural elements specially adapted to foundation engineering, particularly concrete or concrete-like piles cast in position with enlarged footing or enlargements at the bottom of the pile.

SUBSTANCE: reinforcement device is used to erect pile foundation with the use of foundation pile having at least one longitudinal cavity. Reinforcing device comprises a number of joined reinforcement members hingedly connected with central annular member located so that reinforcement device may be collapsed during installation and erected during device usage. Reinforcement device is connected to pile by at least one member working in tension. Foundation pile reinforced with the use of said device and method for foundation pile driving and pile bottom reinforcement are also disclosed.

EFFECT: increased uniformity of reinforcement distribution over pile bottom, improved compression and stretching force damping, decreased labor inputs and material consumption.

36 cl, 25 dwg

FIELD: construction, particularly bored piles with enlarged footing or enlargements at the bottom of the pile.

SUBSTANCE: method involves drilling well; filling the well with concrete mix and non-detonating composition including fuel and oxidizer; igniting non-detonating composition by applying low-voltage pulse to electric igniter and combusting non-detonating composition in deflagration regime to create camouflet void with following concrete mix hardening. The fuel is solid hydrocarbon selected from polyethylene, polypropylene and polystyrene. The oxidizer is sodium or potassium chlorate. Non-detonating composition is supplied in well before well filling with concrete mix.

EFFECT: decreased pile production time due to accelerated concrete mix hardening and improved produced pile quality.

6 cl

FIELD: building.

SUBSTANCE: invention refers to building, in particular, to strengthening of the bases under the basements. The way of strengthening of the basement erected on waterlogged priming coats and near to the located constructions includes supply of early strength concrete in the metal tubing established in driven wells, drilled through a basic part of the basement and a ground. Pipes are made with the welded boots, in pipes lower explosive charges and fill with early strength concrete, then the explosive charges are detonated, remaining hollownesses of driven wells and pipes are filled with early strength concrete.

EFFECT: provision of reliable strengthening of the basements erected in waterlogged priming coats and near to located constructions; increase of load-carrying capacity.

2 dwg

FIELD: construction.

SUBSTANCE: invention is related to methods for arrangement of pile foundations for structures, to pile foundations and shell structure for creation of widened foot for pile foundations. Method for creation of pile foundation for structures, according to which the following stages are executed on site to arrange the mentioned foundation - well for installation of foundation pipe is drilled with the help of the first auger drill. The following section is drilled under lower end of installed foundation pipe. Cavity is arranged in the specified section by means of scraper and pressure of water jet. Loose soil is removed from specified cavity by mentioned first drill. Pipe for set of tools and accessories with the second auger drill and flexible shell that envelopes the lower part of the second specified drill is lowered through foundation pipe into lower part of specified section. Excess pressure is built up in specified shell, and moulding material is injected into specified cavity, surplus of which is then removed by the second auger drill. After mentioned material hardens, the specified shell is blown off and removed via specified foundation pipe. Reinforcing device is lowered into foundation pipe. Concrete material is poured into foundation pipe, at that specified cavity is filled, and specified reinforcing device is embedded into concrete, thus creating widened foot for foundation pipe. Versions of method and pile foundation are also stated.

EFFECT: higher stability and resistance to compressing and stretching forces, lower material intensity.

5 cl, 26 dwg

FIELD: construction industry.

SUBSTANCE: invention refers to construction industry and namely to construction of bearing piles in ground rock. Device for making multi-layer sealed pile in ground rock includes, in the combination, elongated hollow tube having longitudinal axis, upper inlet end for material, open lower discharge end for material and diametre of the first external surface and common formed lower head element at open discharge end, which has diametre of the second external surface, which is more than diametre of the first external surface and made with the possibility of transmitting combination from axial and transverse stress components when hollow tube is lowered. Head element consists of common attachment to hollow tube; at that, head element includes lower driving end which in general has configuration of flattened cone between head element of external surface and lower discharge hole made in the lower driving end, and back end having in general the configuration of flattened cone, and cap of the head element covering lower discharge hole. Lower head element with the cap and hollow tube are formed for being introduced into ground rock and for displacing the earth when hollow tube with lower head element and the above cap is lowered into ground rock so that a cavity is formed in ground rock. The cap is at least partially removed from lower discharge hole when hollow tube is then lifted from the formed cavity in order to perform passage of material through lower discharge hole to the cavity section released with hollow tube and lower head element. The latter has the form of cross section and the sizes which are more than the shape of cross section and sizes of hollow tube in order to decrease friction forces on hollow tube when penetrating into ground rock and being removed from it.

EFFECT: improving reliability of the pile and capacity and production effectiveness of piles.

34 cl, 26 dwg

FIELD: oil-and-gas.

SUBSTANCE: invention related to construction, particularly can be used for bored piles with enlarged base arrangement. The method includes hole boring, hole opening with mechanical clampshell enlarger, reinforced cage installation and filling in the hole with concrete mixture. Developing enlargement with ration of enlargement diametre to hole diametre, equal de/dh≥2 with rotation velocity equal n=20-100 revolution per minute, dependant on ground conditions. After covering distance 0.8 h, where h - height of enlargement, stop axial supply of boring media and at that level, during 3-5 revolutions execute enlargement base cleaning, and ground collector and voids between enlarger blades complete filling. Turn on axial supply and execute boring till enlargement total height and enlargement blades closure. Take away enlarger, then concrete enlarged base, install reinforced cage and complete bored piles arrangement with concreting its core.

EFFECT: method of bored pile arrangement efficiency increase and hole enlarger design improvement, hole enlarger reliability increase, easing of ground withdrawal out form ground collector and better quality of constructed bore pile.

4 cl, 3 dwg

Driven pile // 2386748

FIELD: construction.

SUBSTANCE: invention is related to construction, in particular to pile foundations. Driven pile consists of shaft with axial hole, sharpened tip with circular base and conusoidal shell with spike, cavities inside shell filled with hardening solution. There is a threaded hole in tip base, which is closed with threaded plug with stem. Tip shell is rumpled with submergence force after removal of threaded plug and additional submersion of pile. For additional increase of bearing capacity there is an elastic shell on lower part of shaft with facilities for fixation of its upper and lower ends; cavity between elastic shell and shaft surface; protective jacket with facilities of its fixation of shaft, which slides in radial direction and embraces elastic shell. There is a radial hole in shaft, which connects longitudinal hole with specified cavity transformed into support belt after the pile has been submerged at the specified depth, the cavity has been filled with hardening solution via holes in shaft and the solution has hardened.

EFFECT: improved bearing capacity of hollow piles.

4 cl, 7 dwg

FIELD: construction.

SUBSTANCE: method of drilled pile manufacturing includes well arrangement in soil. Supply of material into it. Compaction of soil under lower end of formed pile. In process of soil compaction, in the base of formed drilled pile with parametres equivalent to driven pile, its conventional camouflet cavity is arranged with diametre Dkp equal to diametre of dzs equivalent to driven pile, where: dzs - diametre (m) of equivalent driven pile. DkP - diametre (m) of conventional camouflet cavity produced in soil as it is displaced under lower end of formed drilled pile, by means of supply of controlled material volume to fill conventional camouflet cavity according to the following dependence : where V is controlled volume (m3) of material spent for filling of conventional camouflet cavity produced in soil due to its displacement into pile foundation. As well is filled with material in the form of hardening mix, preferably plastic concrete mix, diametre of equivalent driven pile is identified according to dependence , where dzs - diametre (m) of equivalent driven pile. Dskw - diametre (m) of well; Δh - measured value of subsidence (m) of plastic concrete mix in well as conventional camouflet cavity produced due to displacement of soil under lower end of formed pile is being filled. And in order to produce drilled pile with parametres of driven one of the same diametre, soil is treated in the lower end of pile till material subsides, preferably concrete mix, in well by value, which is compared with the one defined from the following ratio: Δh/Dskw=0.4. Besides in the lower end of well soil is exposed to forces, and their sufficiency is controlled (assessed) by flow of material additionally supplied to well in process of soil treatment, and its volume is identified according to formula , where Dskw - diametre (m) of formed pile. Besides in well reinforced with casing pipe, dynamic actions at soil are carried out until material subsidence value in casing pipe makes at least the following: , where Δhtr is subsidence (m) of material in casing pipe. Dskw - diametre (m) of well. Dfr - inner diametre (m) of casing pipe. Dynamic actions at soil in lower end of formed pile are carried out to achieve conventional failure, which is represented by material subsidence of not more than 2 mm in process of the last action, and when soils are compacted by electric explosions in pile foundation with application of electrode system, dynamic treatment is interrupted provided that electrode system freely installed on bottomhole in process of electric explosion sinks by not more than 1-2 cm, and in process of soil dynamic treatment at least one additional camouflet expansion is created along pile length, preferably, in zones of well opening of soils that are most pliant to compaction, which is detected by reaction of soil to test dynamic actions performed along pile length.

EFFECT: development of drilled piles with bearing capacity by soil, same as for driven piles, with minimum possible usage of resources and maximum possible usage of properties inherent in massif of soil that contains pile.

7 cl

FIELD: construction.

SUBSTANCE: device for compaction of soil in drilled pile well bottomhole includes casing pipe, bushing fixed on it with working element pulled through it. Working element is arranged in the form of hollow pipe, at the lower end of which there is a thrust journal and sealing attachment, and at the upper end there are upper and lower supports and inertial mass, placed on hollow pipe between upper and lower supports with sliding fit.

EFFECT: improved bearing capacity of drilled piles erected in watered and soft soils.

4 dwg

FIELD: bulkheads, piles, or other structural elements specially adapted to foundation engineering, particularly concrete or concrete-like piles cast in position with enlarged footing or enlargements at the bottom of the pile.

SUBSTANCE: reinforcement device is used to erect pile foundation with the use of foundation pile having at least one longitudinal cavity. Reinforcing device comprises a number of joined reinforcement members hingedly connected with central annular member located so that reinforcement device may be collapsed during installation and erected during device usage. Reinforcement device is connected to pile by at least one member working in tension. Foundation pile reinforced with the use of said device and method for foundation pile driving and pile bottom reinforcement are also disclosed.

EFFECT: increased uniformity of reinforcement distribution over pile bottom, improved compression and stretching force damping, decreased labor inputs and material consumption.

36 cl, 25 dwg

Anchor pile // 2365709

FIELD: construction.

SUBSTANCE: invention relates to construction and can be used in structures' foundation, receiving considerable horizontal and pull out loads. Anchor pile includes shaft, reinforced by framework. Bottom part of pile consists of two pivotally connected to shaft quarters, located relative to each other bias section of shaft and allowing elongations on section of point, which are enclosed into removable metal sheath. Shaft is implemented with opening, in which it is inserted pin for removing of sheath. Quarters allow ability of turn at redriving.

EFFECT: perception of pull out loads.

4 dwg

FIELD: machine building.

SUBSTANCE: additional fixation of anchor driven into soil for a certain depth, is done by impression of sliding fixtures by working fluid. Hollow rod of anchor is arranged with hollow multiturn screw tip, lower blade of which is equipped with bits - fangs. Sliding fixtures represent multistep telescopic hydraulic cylinders of single-sided action arranged in cavities of bulges on case of screw tip blades. On upper end part of screw tip there is a bulge with slots for connection teeth of assembly rod, representing a pipe. In cavity of rod and screw tip there is an isolated line of working fluid supply.

EFFECT: improved retention capacity of anchor.

5 cl, 6 dwg

Anchor pile // 2425924

FIELD: construction.

SUBSTANCE: anchor pile comprises a traction rod in the form of bars with identical diameter connected by means of couplings, and the first bar is equipped with a crown or a chisel. The pile is equipped with bars of increased diameter and connecting couplings with boring blades. Diameters of coupling holes with boring blades correspond to various diameters of bars.

EFFECT: reduced material intensity and reduced labour intensiveness in arrangement of an anchor pile.

3 dwg

FIELD: construction.

SUBSTANCE: during arrangement of soil anchors in a structure comprising a traction rod in the form of separate bars, connecting couplings and a crown or a chisel, a coupling in the areas of anchor roots arrangement are replaced with couplings equipped with drilling blades and transverse holes for passage of a working fluid closed by temporary plugs.

EFFECT: reduced material intensity of a structure and reduced labour intensiveness.

4 dwg

FIELD: construction.

SUBSTANCE: invention relates to construction and may be used in arrangement of pile foundations. To reduce material intensity and to increase reliability of design in a root pile with local flares, comprising a bit 11, rods 1, connecting couplings 3 and crown couplings 2 with cavities in drill blades 5, in which stop elements are installed, according to the invention, the stop element in each crown coupling 2 is made in the form of a valve made of a cone-shaped plunger 6 with a return spring 7, fixed inside the cavity, at the same time the diameter of the output hole 9 in the crown coupling 2 must be 1.5-2 times less than the diameter of the input hole 10.

EFFECT: reduced material intensity and increased reliability of a structure.

3 dwg

FIELD: construction.

SUBSTANCE: invention relates to construction and can be used in structures of floating piles intended for construction of pile foundations, and erection methods of such piles. A pile having a shaft with an internal longitudinal cavity filled with concrete and a carrying capacity increasing device located in its lower part. The pile shaft is made in the form of a polymer pipe having external and internal longitudinal ribs, and the pile carrying capacity increasing device is made in the form of a support concrete bearing plate located under the pile shaft.

EFFECT: improvement of adhesion of pile surface with surrounding soil, increase of carrying capacity and reduction of material consumption.

8 cl, 5 dwg

FIELD: construction.

SUBSTANCE: aseismic driven pile comprises a shaft with a sliding lower part and a wedge-shaped element arranged inside the latter, contours of which follow internal contours of the lower part of the shaft. The lower sliding part of the shaft is made with three pairs of triangular slots on the surface and additional yokes and reinforcement grids in their area. The wedge-shaped element is made with a lower part in the form of a quadrangular pyramid and is equipped with two fixing rods on an embedded part in the upper part of the point, and the lower part of the shaft is equipped with tubes put on fixing rods. On the outer surface of the shaft there are at least four curved grooves in the form of sine waves, longitudinally stretched from the lower sliding part upwards from the shaft, cavities of which are concentrates of moving seismic oscillations, besides, sections of closest approach of pairwise curved grooves make units that cause generation of transverse standing waves.

EFFECT: increased seismic stability of buildings and structures using driven piles, where concentration movement of longitudinal seismic waves is achieved.

3 dwg

FIELD: construction.

SUBSTANCE: method of sinking of the pile includes driving of the pile into soil to a required depth by a gravitational hammer through a guiding conductor with subsequent fixing by embedment in a grillage. The pile is a metal pipe of a large diameter from 1000 to 2000 mm with a cone-shaped pointed closed end fitted with a rock cutting tip, and an anvil, and the anvil is designed in the form of a ferroconcrete cone-shaped closed end of the pile and its lower part with the ratio of the height of the filled lower part of the pile shaft to the height of the closed end cone of 0.5-1.0, reinforcing of the tip is performed in the form of curved reinforcing rods, and from above of the ferroconcrete anvil a metal circular board is installed. The pile shaft of a large diameter from 1000 to 2000 mm in the lower part is fitted with blades which are evenly placed along the diameter. The blades are rigidly fixed on the pile shaft and are made inclined at the angle of 5-30° to the pile axis, the ratio of the length of each blade to the length of the diameter of the shaft pile is selected within 0.5…1.0, the ratio of the width of each blade to the length of the diameter of the pile shaft is selected within 0.15…0.30. Bottom edges of the blades are installed at a distance from the cone of the closed end, equal to 0.5-1.0 diameters of the pile shaft, and the number n of blades placed along the diameter of the pile shaft depending on the diameter is determined from the given ratio.

EFFECT: increase of the bearing ability of the pile, decrease of material consumption and labour input.

3 cl, 4 dwg

FIELD: construction.

SUBSTANCE: driven earthquake-resistant pile comprises a shaft with an expandable lower part and a V-shaped element located inside the latter, the outlines of which repeat the inner outlines of the lower part of the shaft. The extendable lower part of the shaft is designed with three pairs of triangular grooves on the surface and additional bands and reinforcement meshes located in their area. The V-shaped element is made with a lower part in the form of a quadrangular pyramid and is equipped with two fixing pins on the embedded part in the upper part of the point. The outer surface of the fixing pins is covered with tantalum oxide, made in the form of a glass-like nano-like film.

EFFECT: increased pile reliability.

4 dwg

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