Standard structural curb block

FIELD: construction.

SUBSTANCE: standard structural curb block made of fine-grained concrete comprises parallel external face and back longitudinal walls joined by three partitions. Longitudinal walls and connecting partitions are reinforced with common spatial reinforced frame, at the same time extreme end partitions are not concreted, and there is an opening provided in the middle one.

EFFECT: reduction of material and labour expenses for curb works, increased solidity, earthquake resistance, heat and sound insulating properties of building and structure walls, improved quality of works.

8 cl, 5 dwg

 

The level of technology

The invention relates to the field of construction insulated and cold walls of low - and high-rise buildings and structures built of reinforced concrete frames, as well as foundations, columns, beams, retaining walls in reinforced concrete design structural formwork blocks.

Characterization of analogs

Known hollow block precast-monolithic structures SU (II) 1346742, A J (51) 4 AS 1/08, 1/10, publ. 23.10.87, including longitudinal and the transverse wall bounding an internal cavity and having locking tabs on the outer faces of the transverse walls, it has a bottom. The total area of the holes in the bottom is 30-80% of the area of the bottom. The transverse wall above have one slot for the passage of the horizontal reinforcement. To skip the vertical rods of the reinforcement at the corners of the bottom is provided with four holes. Cavity blocks filled with concrete or foamed insulating mixture.

The disadvantages of this unit include:

- the complexity of manufacturing units;

- a block of concrete with no reinforcement of output terminals in the cavities;

- the transverse wall and the bottom prevent the installation of units in compliance with the conditions of the displacement of the top number on half of the block, when they are installed between terminals vertical reinforcing walls, ignea some of which wound up in the basement, and the top is designed to be embedded in seismos at the level of overlap of the upstream floor.

- the presence of the bottom, while concreting several rows, it is not possible to produce high-quality compaction of concrete;

transverse partition block is shared by a concrete wall on many isolated areas, reducing their solidity;

block walls can be used only as a member;

- dimensions of the block are not subject to the size of the brickwork;

the front side of the block has no finish.

Known permanent formwork SU 1559074, 5 IS 9/10, publ. 23.04.90, where the opposing shields fixed casing will be connected in the grooves on the upper faces of the panels and secured them with removable tabs protruding from the shields to half its height.

The disadvantages of a fixed timbering include:

- installation of the formwork design position is reduced to manual Assembly of boards with rods. This increases overhead costs of installation works;

- material for the manufacture of non-removable casing with the properties of guestimate advantageous to apply only for the manufacture of removable, reusable formwork, because after concrete setting, it could not work in the project design;

- the front side of the casing is not faktoren;

- the block size is not subject to the size of the am brickwork.

Known wall formwork element SU 1733593 A1, 5 IS 1/18, publ. 15.05.92, bul. Shuttering element consists of two parallel walls that are offset along the longitudinal axis and connected by a wall at an angle of 120°÷140° to the walls with education-shaped element.

The disadvantages of wall formwork element are:

formwork element of fine-grained concrete with no reinforcement of output terminals in the cavities;

- the location of the partition angle 120°÷140°compared to 90°, increases its length, leads to excessive materials;

- the partitions are cut concrete walls in many isolated areas, reducing the integrity of a wall;

the front surface of the shuttering element is not faktoren;

the dimensions of the element are not subject to the size of the brickwork.

Known permanent formwork SU 1629435 A1, 5 E04C 9/10, publ. 23.02.91, intended for the production of shuttering works. The formwork consists of fixed plates, connected by ties of tubes. The plates are made of monolithic reinforced concrete separately. The remote ends of the tubes made in the form of rods and clamped between the conical surface fixtures and shut-off cone method compression force R. the Cavity between the plates are filled with insulation.

The disadvantages of fixed about is lubki include:

the nodes connecting plates too bulky;

- bilateral collets, cutting the ends to reduce the cross-sectional area of the connecting tubes is approximately two times;

- hollow metal tubing and fasteners are agents of the cold, which significantly reduce thermal properties of the walls, interfering with the installation of reinforcing steel products;

- profitable collet connection replace welded;

is this a permanent formwork at the location of the walls plays a role only ordinary block;

the formwork is not subject to the size of the brickwork;

- front surface is not faktoren.

Description and critique of the prototype. Known prototype - wall shuttering block, SU 1625967 A1, 5 EV 2/18, publ. 07.02.91,, Boul. Shuttering block can be attributed to the prototype. It consists of three thin-walled longitudinal walls: outer, inner, rear, connected by five transverse concrete walls which have protrusions 15÷20 mm Between the walls formed sections for filling insulating material and a section for pouring concrete.

The disadvantages of formwork block prototype include:

- a block of fine-grained concrete is a complex fabrication;

- a block of fine-grained concrete with no reinforcement. One piece is the efficiency of the unit at the stage of manufacture of storage, transportation and voids in concrete is achieved through the strength of concrete in tension, and this is not enough;

- partitions prevent the installation of the block (offset upper row by half a block) in the presence of vertical rods of the reinforcement walls, the lower ends of which are wound in a solid Foundation, and the top is designed to be embedded in seismos above floor;

transverse partitions block cut concrete walls in many isolated areas, reducing their solidity;

- not resolved the issue of wall insulation in the area of monolithic reinforced concrete pillars;

device internal longitudinal wall can be avoided if first run of the concrete part of the wall, using the inventory form, the remaining space to fill with loose insulating material;

- dimensions of the block are not subject to the size of the brickwork;

the front surface of the shuttering element is not faktoren.

The objectives to be achieved by the invention.

Reduction in construction costs, reducing material and labor costs of shuttering work, simplify the construction, increase the solidity, the earthquake resistance of the heat-insulating properties of the walls of buildings, the improvement of the quality of the work.

Disclosure of inventions

The essence of the invention include the following.

1. Longitudinal article the NCI and the transverse connecting walls to reinforce the General spatial reinforcing cage, at the end of a partition block is not concrete, the average has an aperture. End fittings blocks crosses the void in the walls. After reinforcement of walls, laying concrete, its setting, the unit loses the role of formwork and acquires the function of a bearing element, the working valve which is included in the calculation of reinforcement project construction, in which the block belongs. Also take into account the resistance of the concrete block to the forces of compression and shear. As material and labor costs associated with device structures envisaged by the project, this method of shuttering work is costless.

The unreinforced formwork element (prototype) strength at the stage of manufacture, transportation, storage, installation is ensured only by the resistance of concrete to shear, tension, compression, which is insufficient. Shuttering element (prototype) can only be used as formwork, without finding functions of a bearing element.

2. To improve the earthquake resistance of buildings and structures, the design of the unit can fit between the previously installed vertical rods of the reinforcement walls, the lower ends of which are embedded in the base, the top is designed to be embedded in seismos overlap of the upstream floor with respect to the movement of the upper p is Yes half of the block, without the introduction of new typeblock. Using formwork element (prototype) with five transverse bulkheads such a task is not feasible.

3. The purpose of insulating walls, the inner side of the outer longitudinal wall of the block attached polystyrene plate thickness (thermotechnical calculation). The rest of the volume of voids, after reinforcement, poured concrete. This solution eliminated the need for the middle longitudinal wall provided by the prototype.

4. Horizontally and vertically spaced voids resulting from masonry walls can be used for location calculation monolithic reinforced concrete earthquake resistant frame. The rest of the voids is filled with heat and sound insulating material. In the application of formwork element (prototype) this task is not feasible.

5. With the aim of implementation in the construction of complex constructions and extensions of the architecture, the block size is subject to the size of the brickwork. Shuttering element (prototype) cannot be used in conjunction with brick, because its size is not provided.

6. The longitudinal reinforcement of the walls and the connecting walls can reduce their thickness, to reduce the consumption of concrete, reduce the weight of the walls, to improve their seismic resistance. The strength of unreinforced opalubochni the element is provided by increasing its mass. Paragraphs 2 to 6 determine whether the claimed solution to the criterion "novelty"items 1 - "significant differences".

The implementation of the invention

Figure 1 shows the design of formwork block member. The block includes parallel outer (front) 1 and the back 2 of the longitudinal walls connected by partitions 3. Walls and partitions reinforced a common spatial framework 4. Extreme concrete walls. The front surface of the outer longitudinal wall has a trim 5, with the device on the perimeter of the rectangular chamfered edges. For passing and fixing rods monolithic elements ⊥ location, provided by the holes 6.

In the middle of the partition has an aperture 7. The unit is equipped with a mounting loops 8, after which the unit is connected in the transverse direction by electric welding. To remove obstacles to the installation of the block between the elements of the vertical reinforcement of the walls, in the center of the base layer, the projected point of the cutting and bending of reinforcement 9. At the opposite end of the longitudinal walls, at install time, given the force of the thrust.

The construction of earthquake-resistant monolithic reinforced concrete walls and structures with simultaneous device carrier and insulated layers produced according to scheme 2. The wall is divided into phases. After you install the blocks on the first casting section, complete in horizontal the e channels, educated at masonry blocks, wound elements and flat wire products: 14 - for walls, 15 - to seysmopoyasa in the required amount for the first and second sections.

After you install the blocks on the second casting section, complete the required number of reinforcing products from the first hook is moved to the second. Using the rods 16 is pre-Assembly, 2, 4. The mounting blocks is performed in the following way: on each bottom row, end-to-end, dry, offset by half a block to fit the top row, the stacking direction is changed for each row.

The units are installed so that the previously sealed in the Foundation of the 12 elements of vertical reinforcement wall 10 is located on the longitudinal axis of the carrier layer at a distance of 0.25L block according to figure 2-5.

Setting blocks begin, for example, from left to right. The left end of the block slides on the element 10. The reinforcement frame 4 perekusyvaete, in compliance with the rigidity of the block, at the point 9. The ends thibaudia so that it became possible to install the unit in the design position. In places of contact of the horizontal rods of the reinforcing walls 14 with the element vertical reinforcing walls 10 mount intersections is knitting wire 5. After installation, block the ends of the bent rods 4 are returned to the point 9. Subsequently, the joint is filled with concrete.

For similar and is the device seysmopoyasa 13. Both sets of reinforcing products 15 for beams 17 under a floor 18. The ends of reinforcing products appear in the holes 6 of the block. Subsequently, the joint is filled with concrete.

Next is the device insulation layer by the method of installation and fastening to the inner surface of the outer (front) of the longitudinal wall 1 of slabs of polystyrene 19 figure 4. The rest of the space is used for the device carrier layer and is filled with concrete 20.

The device insulation of walls monolithic insulating fluid is produced in the following way. At the back wall, using the inventory form is monolithic reinforced concrete bearing layer. After hardening of the concrete and removal of the formwork space to the front of the longitudinal walls is filled with a monolithic warming the mixture.

The joints of the blocks with the outer side rubbing waterproof mastic.

A table comparing the COB with the existing prototype - wall shuttering unit SU 1625967.

ContentThe number of items, items
The object of the inventionThe placeholderSavings
- longitudinal wall 231
transverse partitions154

Saving the content of elements in the object of the invention COB when compared to the prototype is the 5 elements. This is achieved by reducing material and labor costs for construction using COB.

The content of the drawings

Figure 1 - Ordinary COB.

Figure 2 - Scheme of installation of blocks.

Figure 3 - plan View A-a in figure 2.

4 is a cross-Section B-B figure 3.

5 is a Cut-In on average COB (figure 1).

Notes on the elements

1 - the Outer face of the longitudinal wall

2 is a Rear longitudinal wall

3 is a Transverse connecting wall

4 - Dimensional reinforcement cage

5 - Finish

6 - Hole in the back wall.

7 - Opening

8 - mounting loop

9 - Point cutting reinforcement

10 is a Vertical element of the reinforcement walls

11 is a Vertical spatial reinforcement cage

12 - Foundation

13 - Seismos

14 is a Horizontal element of the reinforcement walls

15 - Flat reinforcing the product

16 - connecting rod

17 - situ reinforced concrete beam ⊥ location

18 - Overlap

19 - Plate polystyrene or concrete, polystyrene outplays what I mix

20 - situ concrete base layer

1. Structural formwork block member of the fine-grained concrete containing parallel outer front and rear longitudinal walls connected by three partition walls, characterized in that the longitudinal walls and the connecting walls reinforced the General spatial reinforcing cage, while the extreme end walls are not concrete and in the middle there is a doorway.

2. The unit according to claim 1, characterized in that it is made with the possibility of education in the masonry walls of hollow vertical and horizontal channels for the placement of insulation, reinforcing products, fill with concrete.

3. The unit according to claim 1, characterized in that the reinforcing bars spatial frame extend into the voids of the block.

4. The unit according to claim 1, characterized in that it is a supporting element of the walls.

5. The unit according to claim 1, characterized in that it is made with the possibility of education in the masonry walls of hollow vertical and horizontal channels for the device in them earthquake resistant building frame.

6. The unit according to claim 1, characterized in that the rear longitudinal wall with holes for the passage of the valve.

7. The unit according to claim 1, characterized in that its width and height are equal.

8. The unit according to claim 1, characterized in that the front side of the outer longitudinal wall has a finished surface.



 

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9 cl, 6 dwg

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19 cl, 10 dwg

FIELD: construction, particularly for erecting frame or frameless cast-in-place structures, particularly to construct low-story buildings and buildings in the case of limited capacity of building equipment usage.

SUBSTANCE: method involves forming cavity by fixing retained form members with the use of knock-down form so that retained form members are arranged on inner surfaces of knock-down form panels; strutting off opposite retained form members by stay rods having stops; connecting opposite knock-down form panels with each other with the use of fastening members which pass through members of retained and knock-down forms; pouring concrete mix in layers; grouting stay rods in wall and demounting knock-down form after concrete layer hardening. To perform above method at least 4 rows of orifices are formed in knock-down form panels, retained form panels comprise at least 2 rows of orifices formed so that the orifices are located in apexes of rectangles identical for forms of both types and for any two pairs of the nearest orifices of adjacent rows. Horizontal row of knock-down form panels is installed on lower hardened wall layer or on a base and retained form is installed along with air-tightly connecting adjacent members thereof. Then retained form orifices are coaxially aligned with knock-down form ones. Stay rods formed of heat-insulating material and having stop washers on stay rod ends and threaded orifices are installed in the cavities. The threaded orifices are coaxially aligned with knock-down form ones. Threaded sections of fastening members are inserted in end threaded orifices of stay bars through pressing washers and orifices of the forms. Guiding sections are simultaneously seated in knock-down form panel orifices. Pressing washers are located from outer surfaces of knock-down form panels. Both forms are secured by screwing in fastening members and thereby pressing knock-down form panels to retained form members over the full surface thereof along with pressing retained form members to limiting washers. After being demounted knock-down form is moved upwards and new row of form panels is mounted by connecting lower edges thereof to wall with the use of at least two rows of grouted stay rods and fastening members. After that cavities inside upper part of knock-down form are formed once again for pouring next concrete mix portion.

EFFECT: possibility to utilize only friction force appeared due to pressing retained form members to stay rods over their surface by knock-down form panels for retained form fastening during building structure erection; possibility to regulate above force and to substitute some members for simple and light-weight ones (knock-down form), elimination of other members (post), prevention of cold bridges appearance, optimization of building process due to structure member reuse.

12 cl, 17 dwg

Retained form // 2267584

FIELD: building, particularly units and methods to connect retained forms and building structures one to another during building erection, load-bearing and self-supporting partition forming inside buildings, during heating of buildings to be reconstructed, building facing and lining, as well as landscape architecture objects erection.

SUBSTANCE: retained form comprises sheets with grooves formed on side faces thereof. The grooves are sized in accordance with dimensions of fixer adapted to connect one sheet to another one. The retained form comprises straight and corner members provided with grooves mating in size with fixer. The sheets and straight and corner members are provided with fixing corbels. Each corbel has at least one groove sized in accordance with fixer dimensions. Unit adapted to connect sheets, straight and corner members is made as fixer inserted in grooves thereof. The fixers are formed as round discs.

EFFECT: increased accuracy and reliability of retained form and building structure assemblage, reduced mounting time, decreased number of necessary fastening members, reduced material and material consumption and weight, extended functionality of retained form and building structure, improved building and building structure appearance.

2 cl, 10 dwg

FIELD: building, particularly to erect load-bearing building walls.

SUBSTANCE: device comprises frame structure composed of frame members connected one to another by cross-pieces. The frame structure is mare as three-dimensional grid defining cells. Each cell is formed of two frames with holes located at frame corners and connected one to another by cross-pieces arranged in frame corners. The cross-pieces are provided with locks. Each lock is made as angle member and plate bent in two steps. The angle member and the plate are connected by rectangular plate. Building erection method with the use of above device is also disclosed.

EFFECT: simplified method due to porous concrete usage and possibility to create all-purpose building frame, which provides necessary strength of load-bearing walls, increased reliability and reduced material consumption.

5 cl, 12 dwg, 1 ex

FIELD: land-based construction, particularly to erect reinforced concrete building walls with the use of retained form.

SUBSTANCE: assembly comprises two opposite panels formed of porous material and connected with each other by at least one bridge. The panels form space defined by inner panel surfaces. Each bridge is sectional and comprises core part and at least two extreme parts. One end of each extreme part is connected with one core part end. Another end of each extreme part is provided with elongated member, which extends from inner panel surface to opposite outer panel surface inside panel body and terminates with fixing means. The fixing means secures extreme part of bridge to panel. Outer surface of at least one of two panels is provided with facing. Elongated member of extreme bridge part passes beyond outer surface of above panel. The fixing means is made as a grid or mesh, which is opposite to outer panel surface and spaced from the surface. The grid or mesh may be directly located on outer panel surface. The fixing means is connected to elongated member ends extending beyond outer panel surface and is embedded in facing layer.

EFFECT: increased strength of the assembly and reduced labor inputs due to above assembly usage.

10 cl, 10 dwg

FIELD: construction, particularly to erect cast-in-place walls faced with panels of different properties (heat-protection, sound-proofing and so on).

SUBSTANCE: device for permanent connection of wall panels to be concreted adapted to erect cast-in-place walls includes several clip pairs secured to both panels and made as resilient bent plates. One clip of the pair has U-shaped profile with four inclined projections connected to sides thereof, another one comprises four corresponding grooves. All clip pairs are adapted to retain panels so that the panels are spaced predetermined distance apart. The inclined projections are bent with respect to slip sides to improve filling of U-shaped clip interior with concrete.

EFFECT: increased fullness of panel space filling with concrete and possibility to compensate assemblage errors.

2 cl, 6 dwg

Fastening device // 2301306

FIELD: building, particularly devices for reinforcement and other members fixation.

SUBSTANCE: fastening device comprises curvilinear section immersed in hardening material and bent end. The curvilinear section and bent end are made as a single whole of wire and formed as flat spirals. The first spiral may be unwound to create conical screw line and grouted with hardening material. Another spiral has insulation shell and may be unwound to create socket on structure to be formed of hardening material after isolation shell removal.

EFFECT: decreased material consumption and structure production costs, increased operational reliability and manufacturing capabilities and extended fastening device range.

1 cl, 1 dwg

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