CN219909361U - Pulling-on piece formula connecting piece and antidetonation coincide wall - Google Patents

Abstract

The utility model discloses a pull-sheet type connecting piece and an anti-seismic superposed wall, wherein the superposed wall comprises an upper layer of distributed steel bars, a lower layer of distributed steel bars, a precast concrete layer, a post-cast concrete layer and a plurality of pull-sheet type connecting pieces, the upper layer of distributed steel bars and the lower layer of distributed steel bars are connected through tie bars, and the upper layer of distributed steel bars are positioned in the post-cast concrete layer; the lower layer distributed steel bars, the lower parts of the pull sheet type connecting pieces and the lower end hooks of the tie bars are all pre-embedded in the precast concrete layer; the connecting end is positioned outside the post-pouring concrete layer, and the bending section is pre-buried in the precast concrete layer. The utility model integrates the advantages of the pull-sheet type cast-in-situ shear wall and the assembled shear wall, has the characteristics of energy conservation, environmental protection, good quality, low production cost, light weight, high field installation efficiency and the like, and reduces the post-treatment work by half compared with the pull-sheet type cast-in-situ shear wall.

Description

Pulling-on piece formula connecting piece and antidetonation coincide wall

Technical Field

The utility model relates to the technical field of assembled buildings, in particular to a pull-tab type connecting piece and an earthquake-resistant superposed wall.

Background

At present, the traditional cast-in-place concrete shear wall structure adopts the aluminium mould to prop up the mould pouring, and aluminium template system divide into two kinds, and one is the screw rod system, and one is the aluminium template and draws the lamellar body system, compares in the screw rod system, and aluminium template draws lamellar body system need not to punch, and the wall body can not leave the hole after the demolding, greatly reduced the risk of wall body seepage, also need not to increase the back of the body and stupefied, reduced the quality and the time of assembling of template, have that installation effectiveness is high, construction quality is good, characteristics such as with low costs.

The fabricated building has the advantages of good quality, energy conservation, environmental protection, shortened construction period, labor conservation and the like, and the problems of high production price, heavy weight, high transportation cost and irregular components of the fabricated building can always limit the development of the fabricated building at present.

Whether the shear wall structure is a cast-in-situ shear wall structure or an assembled shear wall structure, edge components are needed, and the traditional edge components are formed by binding longitudinal stress steel bars and stirrups, so that the binding process is tedious and time-consuming.

In summary, how to simplify the construction process of the edge member, how to combine the advantages of the cast-in-situ shear wall and the fabricated shear wall, standardize the fabricated shear wall member, and reduce the production cost and the transportation cost of the fabricated member are the problems to be solved by those skilled in the art.

Disclosure of Invention

The utility model provides a pull-tab type connecting piece and an anti-seismic superposed wall, which integrate the advantages of a pull-tab type cast-in-situ shear wall and an assembled shear wall, and have the characteristics of energy conservation, environmental protection, good quality, low production cost, light weight, high field installation efficiency and the like, and the post-treatment work of the pull-tab type cast-in-situ shear wall is reduced by half.

The technical problems to be solved are as follows: how to combine the advantages of the cast-in-situ shear wall and the assembled shear wall, standardize the assembled shear wall components and reduce the production cost and the transportation cost of the assembled components.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model relates to a pull-tab type connecting piece which comprises a connecting end, a web member and a bending section, wherein the connecting end is flat and is provided with a through hole for connecting with a shaping template; the web member is connected with the bending section and the connecting end.

The utility model relates to a pull-tab type connecting piece, which is characterized in that the connecting part of a connecting end head and a belly rod is in an inverted triangle shape.

The utility model relates to an earthquake-resistant superposed wall which comprises an upper layer of distributed steel bars, a lower layer of distributed steel bars, a precast concrete layer, a post-cast concrete layer and a plurality of pull sheet type connecting pieces, wherein the upper layer of distributed steel bars and the lower layer of distributed steel bars are connected through tie bars, and the upper layer of distributed steel bars are positioned in the post-cast concrete layer; the lower layer distributed steel bars, the lower parts of the pull sheet type connecting pieces and the lower end hooks of the tie bars are all pre-embedded in the precast concrete layer;

the connecting end is positioned outside the post-pouring concrete layer, and the bending section is pre-buried in the precast concrete layer.

The utility model relates to an anti-seismic superposed wall, which is further characterized in that the upper layer of distributed steel bars are formed by binding or welding upper layer of vertically distributed steel bars and upper layer of horizontally distributed steel bars; the lower layer distributed steel bars are formed by binding or welding lower layer vertical distributed steel bars and lower layer horizontal distributed steel bars.

The utility model relates to an anti-seismic superposed wall, which is characterized in that a protective layer cushion block is clamped at the upper end of the upper layer of horizontally distributed steel bars of the upper layer of distributed steel bars.

The utility model relates to an anti-seismic laminated wall, and further relates to a pull-tab type connecting piece which is made of steel with a certain tensile strength through processing, wherein the steel comprises steel bars, stainless steel or alloy.

The utility model relates to an anti-seismic superposed wall, which is characterized in that the thickness of a precast concrete layer is 40-80mm.

The utility model relates to an earthquake-resistant superposed wall, which further comprises edge components arranged at the end parts of the superposed wall, wherein the edge components comprise steel pipes, shearing-resistant connecting steel bars and concrete bodies;

the steel pipe is positioned in the concrete body, and self-compacting concrete is poured in the steel pipe;

the shear connection steel bars are U-shaped and are fastened outside the steel pipes through welding, and the end parts of the shear connection steel bars extend out of the concrete body and are used for connecting and assembling with the prefabricated pull-piece type connecting piece anti-seismic superposed wall;

and the part of the shear connection steel bar extending out of the concrete body is poured in the post-pouring concrete layer.

The utility model relates to an earthquake-resistant superposed wall, which is characterized in that a groove is formed in one side of a concrete body extending out of shear connection steel bars, and post-cast concrete is poured in the groove.

Compared with the prior art, the utility model has the following beneficial effects:

1. compared with the traditional pull-tab type cast-in-situ shear wall, the anti-seismic superposed wall provided by the utility model has the advantages that the pull-tab ends required to be treated in the later period are reduced by half, and compared with the traditional assembled shear wall, the anti-seismic superposed wall has lighter wall body weight and lower assembling precision requirement, and the transportation and hoisting costs and difficulties are greatly reduced;

2. the utility model simplifies the construction process of the edge member, integrates the advantages of the pull-sheet type cast-in-situ shear wall and the assembled shear wall, has the characteristics of energy conservation, environmental protection, good quality, low production cost, light weight, high field installation efficiency and the like, and reduces the post-treatment work by half compared with the pull-sheet type cast-in-situ shear wall.

The utility model is further described below with reference to the accompanying drawings.

Drawings

FIG. 1 is a front view of a tab-type connector;

FIG. 2 is a side view of a tab-type connector;

FIG. 3 is a front view of a prior art pull tab;

FIG. 4 is a side view of a prior art tab after bending;

FIG. 5 is a front view of the pull tab connector earthquake resistant laminated wall provided by the present utility model;

FIG. 6 is an enlarged schematic view of portion A of FIG. 5;

FIG. 7 is a cross-sectional view taken along line C-C of FIG. 5;

FIG. 8 is a section view D-D of FIG. 5;

FIG. 9 is a schematic view of a process for manufacturing an earthquake-resistant laminated wall with a tab-type connector according to the present utility model;

FIG. 10 is a schematic view of the connection of an edge member to a prefabricated tab connector earthquake resistant composite wall according to the present utility model;

FIG. 11 is a front view of a sizing die plate;

FIG. 12 is a side view of a sizing template;

fig. 13 is a top view of the sizing die plate.

Reference numerals:

1. a connecting end; 2. a web member; 3. bending sections; 4. a through hole; 5. the lower layer is provided with reinforcing steel bars; 5.1, vertically distributing steel bars on the lower layer; 5.2, horizontally distributing steel bars at the lower layer; 6. prefabricating a concrete layer; 7. a tie bar; 8. the upper layer is provided with reinforcing steel bars; 8.1, vertically distributing steel bars on the upper layer; 8.2, horizontally distributing steel bars on the upper layer; 9. shaping a template; 9.1, pins; 9.2, pin sheets; 10. a cushion block; 11. a cavity; 12. a concrete body; 13. a steel pipe; 14. shearing-resistant connecting steel bars; 15. assembling holes; 16. a groove; 17. a tab-type connector.

Detailed Description

As shown in fig. 1, the utility model discloses a pull-tab type connecting piece and an anti-seismic laminated wall, wherein the laminated wall comprises an upper layer of distributed steel bars 8, a lower layer of distributed steel bars 5, a precast concrete layer 6, a post-cast concrete layer and a plurality of pull-tab type connecting pieces 17.

The upper layer distribution steel bars 8 and the lower layer distribution steel bars 5 are connected with the tie bars 7 in a binding or welding mode, and the upper layer distribution steel bars 8 and the lower layer distribution steel bars 5 are formed by binding or welding corresponding vertical distribution steel bars and horizontal distribution steel bars; the upper layer of distributed steel bars 8 are positioned in the post-cast concrete layer. The lower layer distributed steel bars 5, the lower parts of the pull sheet type connecting pieces 17 and the lower hooks of the tie bars 7 are all pre-buried in the precast concrete layer 6; the thickness of the precast concrete layer 6 is usually set to 40-80mm.

The pull-tab type connecting member 17 may be manufactured by processing steel materials having a certain tensile strength, including steel bars, steel rods, stainless steel, alloy, etc.; taking the reinforcing steel bar as an example, the processing method of the pull-tab type connecting piece 17 is that one end of the reinforcing steel bar is flattened through a machine, the other end is bent, and through holes 4 with the same size are formed in the same position of the flattened part according to the size and the position of the side assembling hole 15 of the shaping template 9, and the pull-tab type connecting piece can also be manufactured by bending processing through the existing aluminum template pull tab.

The pull-tab type connecting piece 17 comprises a connecting end head 1, a web member 2 and a bending section 3, wherein the connecting end head 1 is positioned outside a post-cast concrete layer and is flat, the thickness is 1-3mm, a through hole 4 is formed in the connecting end head, the position and the size of the through hole 4 are consistent with those of a side edge assembling hole 15 of a shaping template 9 used on a superposed wall, and the connecting end head is used for being connected with the shaping template 9; the web member 2 is connected with the bending section 3 and the connecting end head 1, and the web member can be cylindrical, prismatic or flat; the bending section 3 is pre-buried in the precast concrete layer 6, and the horizontal projection length of the bending section 3 is 0-200mm.

The connection part of the connection end 1 and the web member 2 is in an inverted triangle shape, so that the connection end 1 is a stress concentration area under the action of external force, and the connection end 1 of the pull-tab type connecting piece 17 is convenient to process in the later period.

The web member 2 sequentially passes through the lower layer distribution steel bars 5 and the upper layer distribution steel bars 8 and is connected and fastened with the shaping template 9 through the connecting end head 1, and the connecting method of the connecting end head 1 and the shaping template 9 is as follows: the pins 9.1 sequentially pass through the side splicing holes 15 of the shaping templates 9, the through holes 4 and the side splicing holes 15 of the other shaping templates 9, then the pin sheets 9.2 are inserted, and the two shaping templates 9 tightly clamp the connecting ends 1 of the pull-sheet type connecting pieces 17 through the interaction between the pins 9.1 and the pin sheets 9.2 so as to fasten the three components together; furthermore, the pin 9.1 and the pin piece 9.2 can also be replaced by bolts and nuts of corresponding diameters.

The shaping template 9 comprises a plastic template, an aluminum alloy template, a PVC skinning foaming plate, a fiber reinforced composite plate and the like; a cavity 11 for casting post-cast concrete in situ is defined between the inner surface of the shaping formwork 9 and the precast concrete layer 6.

The upper end of the horizontal distribution steel bar of the upper layer distribution steel bar 8 is clamped with a protective layer cushion block 10 for ensuring that the upper layer distribution steel bar 8 cannot be exposed outside after the shaping template 9 is removed, and the upper layer distribution steel bar has enough concrete protective layer.

The end of the laminated wall is provided with edge components, and the edge components comprise steel pipes 13, shear connection steel bars 14 and concrete bodies 12.

The steel pipe 13 is positioned in the concrete body 12, self-compacting concrete is poured in the steel pipe 13, longitudinal stress steel bars in the traditional edge members are equivalently replaced by the steel pipe 13, and all performances of the concrete in the steel pipe 13 are improved under the constraint of the steel pipe 13.

The shearing-resistant connecting steel bars 14 are U-shaped, are arranged in a plurality along the length direction of the steel pipes 13 and are fastened outside the steel pipes 13 through welding, and the end parts of the shearing-resistant connecting steel bars 14 extend out of the concrete body 12 and are used for connecting and assembling with the prefabricated pull-tab type connecting piece anti-seismic laminated wall, so that the edge components and the prefabricated pull-tab type connecting piece anti-seismic laminated wall are tightly connected together and stressed cooperatively; the shear connection bar 14 is used to equivalent stirrups in conventional edge members, and improves the adhesion between the concrete and the steel pipe 13 in addition to the shear action.

The side of the concrete body 12 extending beyond the shear connector rebars 14 is provided with grooves 16 for enhancing the adhesion and force transfer between the edge members and the prefabricated tab connector earthquake resistant composite wall.

The portion of the shear connector bars 14 of the edge members extending beyond the concrete body 12 is poured into the post-cast concrete layer and post-cast concrete is poured into the recess 16.

Wherein, the concrete in the steel pipe 13 needs to be poured with self-compacting concrete in advance; the other concrete outside the steel pipe 13 in the edge component can be poured before the prefabricated pull-tab type connecting piece anti-seismic superposed wall is lifted, the groove 16 is reserved, and the concrete can be poured together when the cast-in-situ layer of the prefabricated pull-tab type connecting piece anti-seismic superposed wall is poured.

The construction method comprises the following steps:

step 1: binding the horizontal distribution steel bars and the vertical distribution steel bars together in a binding or welding mode in a factory to form a distribution steel bar net, and connecting the upper layer distribution steel bars 8 and the lower layer distribution steel bars 5 by using tie bars 7 to form a steel bar cage; and a plurality of concrete protection layer cushion blocks 10 are uniformly clamped on the distributed steel bars on the outermost layers of the two sides of the steel bar cage.

Step 2: in the factory, according to the prefabricated wall design drawing, a plurality of pull-tab type connecting pieces 17 are fastened between two shaping templates 9 through a plurality of pins 9.1 and pin pieces 9.2 or bolts and nuts, and the shaping templates 9 and the pull-tab type connecting pieces 17 are assembled in sequence according to the size of the prefabricated wall.

Wherein, the steps 1 and 2 can be synchronously carried out or can be carried out successively.

Step 3: placing the bound reinforcement cage into a precast layer mould at a factory, pouring a precast concrete layer 6, pressing the assembled shaping template 9 containing the pull-tab type connecting piece 17 into the precast concrete layer 6, conveying the template to a vibration area, starting a vibration mode, vibrating the precast layer concrete tightly, adjusting and resetting the shaping template 9 while vibrating, and curing the shaping template 9 after vibrating to finish the manufacturing of the precast wall.

Step 4: and (3) after the prefabricated wall body is transported and hoisted to a construction position, splicing the prefabricated wall body and the edge member together, and pouring post-pouring concrete.

The edge member construction process is as follows: firstly, welding a shearing connection reinforcing steel bar 14 on the outer wall of a steel pipe 13, then pouring self-compacting concrete into the steel pipe 13 to ensure that the whole steel pipe 13 can be filled with the concrete, placing the manufactured steel pipe 13 at an edge member, then supporting a mould, and pouring the concrete; the process can be finished before the prefabricated wall body is transported to a construction site, or the template can be assembled, and the prefabricated wall body and the post-cast concrete layer of the wall body are cast together after the wall body is lifted.

Step 5: after the post-cast concrete reaches the preset strength, the shaping template 9 is disassembled, the end head of the pull-tab type connecting piece 17 which is exposed outside the wall body is removed in a knocking or cutting mode, and rust-proof paint is smeared at the breaking part, so that the rust and the expansion at the breaking part are prevented, and the quality of the wall body is influenced.

The above examples are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solution of the present utility model should fall within the scope of protection defined by the claims of the present utility model without departing from the spirit of the present utility model.

Claims (8)

1. A tab-type connector, characterized in that: the connecting end (1) is flat, and is provided with a through hole (4) for being connected with a shaping template (9); the web member (2) is connected with the bending section (3) and the connecting end head (1).

2. A tabbed connector as defined in claim 1, wherein: the connecting end (1) and the web member (2) are connected in an inverted triangle.

3. An earthquake-resistant laminated wall comprising the tab-type connecting member as claimed in any one of claims 1 to 2, characterized in that: the concrete pouring structure comprises an upper layer of distributed steel bars (8), a lower layer of distributed steel bars (5), a precast concrete layer (6), a post-pouring concrete layer and a plurality of pull sheet type connecting pieces (17), wherein the upper layer of distributed steel bars (8) and the lower layer of distributed steel bars (5) are connected through tie bars (7), and the upper layer of distributed steel bars (8) are positioned in the post-pouring concrete layer; the lower layer distribution steel bars (5), the lower parts of the pull sheet type connecting pieces (17) and the hooks at the lower ends of the tie bars (7) are all pre-buried in the precast concrete layer (6);

the connecting end (1) is positioned outside the post-pouring concrete layer, and the bending section (3) is pre-buried in the precast concrete layer (6).

4. A shock resistant composite wall according to claim 3, wherein: the upper layer distributed steel bars (8) are formed by binding or welding upper layer vertical distributed steel bars (8.1) and upper layer horizontal distributed steel bars (8.2); the lower layer distributed steel bars (5) are formed by binding or welding lower layer vertical distributed steel bars (5.1) and lower layer horizontal distributed steel bars (5.2).

5. An earthquake resistant composite wall as set forth in claim 4, wherein: the upper end of the upper layer horizontal distribution steel bars (8.2) of the upper layer distribution steel bars (8) is clamped with a protective layer cushion block (10).

6. A shock resistant composite wall according to claim 3, wherein: the thickness of the precast concrete layer (6) is 40-80mm.

7. A shock resistant composite wall according to claim 3, wherein: the edge member is arranged at the end part of the superposed wall and comprises a steel pipe (13), a shear connection steel bar (14) and a concrete body (12);

the steel pipe (13) is positioned in the concrete body (12), and self-compacting concrete is poured in the steel pipe (13);

the shear connection steel bar (14) is U-shaped and is fastened outside the steel pipe (13) through welding, and the end part of the shear connection steel bar (14) extends out of the concrete body (12) and is used for connecting and assembling with the prefabricated pull-tab type connecting piece anti-seismic superposed wall;

and the part of the shear connection steel bar (14) extending out of the concrete body (12) is poured in the post-pouring concrete layer.

8. An earthquake resistant composite wall as set forth in claim 7, wherein: a groove (16) is formed in one side, extending out of the shear connection steel bars (14), of the concrete body (12), and post-cast concrete is poured in the groove (16).