CN216239186U

CN216239186U - A wall body L type connected node for prefabricating assembled PTW structural system

Info

Publication number: CN216239186U
Application number: CN202122078582.3U
Authority: CN
Inventors: 林景祥; 李丹; 康强; 张二龙; 潘康; 冯继
Original assignee: China Construction Fifth Bureau Third Construction Co Ltd
Current assignee: China Construction Fifth Bureau Third Construction Co Ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-04-08
Anticipated expiration: 2031-08-31

Abstract

A wall body L type connected node for prefabricating an assembled PTW structural system comprises two PTW wallboards and two L type external wallboards which are arranged in an L type manner, wherein the PTW wallboards comprise an inner prefabricated wallboard and an outer prefabricated wallboard, a gap is arranged between the inner prefabricated wallboard and the outer prefabricated wallboard, the inner prefabricated wallboards of the two PTW wallboards are mutually connected, the outer prefabricated wallboards of the two PTW wallboards are mutually connected through the L type external wallboards, a plurality of embedded anchor bolts are distributed on the adjacent sides of the inner prefabricated wallboards of the two PTW wallboards along the joint seam, a plurality of embedded anchor bolts are also distributed on the connecting sides of the outer prefabricated wallboards and the L type external wallboards of the two PTW wallboards along the joint seam, the outer side surfaces of the inner prefabricated wallboards of the two PTW wallboards are fixedly connected through fixed angle steel installed on the embedded anchor bolts, the outer prefabricated wallboards of the two PTW wallboards and the outer side surfaces of the L type external wallboards are fixedly connected through fixed base plates installed on the embedded anchor bolts, the utility model improves the installation speed and precision, saves the manufacturing cost and exerts the advantages of assembly type construction.

Description

A wall body L type connected node for prefabricating assembled PTW structural system

Technical Field

The utility model relates to an L-shaped connecting node for a wall body of a prefabricated PTW structural system.

Background

PTW refers to an assembly type truss superposed wallboard, two prefabricated wallboards are connected through a steel bar truss or a profile steel truss to form a middle cavity, and concrete is poured into the cavity after on-site splicing to form the assembly type truss superposed wallboard. The laminated wallboard is manufactured in batches in factories, has the characteristics of energy conservation, environmental protection and the like, ensures the quality of the prefabricated wallboard, and can greatly improve the construction efficiency.

However, the development of the fabricated building in China is late, and particularly in underground space projects such as large-scale water treatment plant projects and the like, the fabricated building still stays in the traditional cast-in-place shear wall structure. In the engineering of a water treatment plant, the thickness and the height of a water tank are high, the construction process of the traditional shear wall structure is complex, and the construction speed is low, so that the PTW wall is introduced into an underground space structure system, and the application of the prefabricated PTW structure system in the underground space structure is well solved. However, the PTW wall is divided into the wallboard strips for installation, although the PTW wall and the structural slab are very convenient to install in an assembly mode, the PTW wall and the structural slab need to be effectively connected to ensure the quality, particularly, the design of the connecting node of the L-shaped corner part of the wallboard is very important, if the processing method of an assembly type residential system is referred, the important node adopts a cast-in-place construction method, and because the local cast-in-place construction efficiency is low, the connection of the cast-in-place part and the prefabricated part is difficult to process, the construction quality is unreliable, the construction processes are multiple, and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide an L-shaped connecting node for a wall body of a prefabricated assembly type PTW structure system, which improves the installation speed and precision, saves the manufacturing cost and exerts the advantages of assembly type construction.

In order to achieve the purpose, the utility model firstly provides an L-shaped connecting node for a wall body of a prefabricated assembly type PTW structural system, which comprises two PTW wallboards and L-shaped external wallboards which are arranged in an L shape, wherein the PTW wallboard 1 comprises an inner prefabricated wallboard and an outer prefabricated wallboard, a gap is arranged between the inner prefabricated wallboard and the outer prefabricated wallboard, the inner prefabricated wallboards of the two PTW wallboards are connected with each other, the outer prefabricated wallboards of the two PTW wallboards are connected with each other through the L-shaped external wallboards,

a plurality of embedded anchors are distributed on the adjacent sides of the inner prefabricated wall plates of the two PTW wall plates along the joint, a plurality of embedded anchors are also distributed on the connecting sides of the outer prefabricated wall plates of the two PTW wall plates and the L-shaped outer wall plate along the joint, the outer side surfaces of the inner prefabricated wall plates of the two PTW wall plates are fixedly connected through fixed angle steel arranged on the embedded anchors, the outer prefabricated wall plates of the two PTW wall plates and the outer side surfaces of the L-shaped outer wall plates are fixedly connected through fixed base plates arranged on the embedded anchors,

the inside drawknot angle steel and the L type anchor reinforcing bar that are equipped with the improvement joint strength of PTW wallboard, crab-bolt fixed connection is passed through with the inboard of the inside prefabricated wallboard of a PTW wallboard to drawknot angle steel one end, the other end and bolt threaded connection, the one end of bolt pass between the outside prefabricated wallboard of another PTW wallboard and the L type side fascia splice seam with drawknot angle steel threaded connection, the other end supports the splice seam department between outside prefabricated wallboard and the L type side fascia through the drawknot backing plate.

In this embodiment, the tie angles are arranged horizontally.

In this embodiment, the inside equipartition of two PTW wallboards is equipped with the drawknot angle steel, the drawknot angle steel evenly lays along PTW wallboard direction of height.

In this embodiment, PTW wallboard and L type side fascia are prefabricated wallboard, have avoided cast-in-place construction, and the installation quality guarantees easily.

In this embodiment, the embedded anchor is evenly laid along the seam from inside and outside prefabricated wallboard and L type side fascia top to bottom.

In this embodiment, the bottom of the PTW wall panel and the L-shaped outer wall panel is fixed with a fixing footing for temporary support.

By adopting the structure, the L-shaped external wall panel and the outer wall of the PTW wallboard are mutually connected through the fixed base plate and the embedded anchor bolt, the embedded anchor bolt is embedded into the L-shaped external wall panel and the PTW wallboard in advance, and after the L-shaped external wall panel and the PTW wallboard are transported to the site, the L-shaped external wall panel and the PTW wallboard are connected through the fixed base plate, so that the site construction is rapid, the working efficiency is improved, the construction cost is effectively reduced, and the construction advantages of assembly are exerted; one end of the horizontal tie angle steel is connected with an embedded anchor bolt in the PTW wallboard, and the other end of the horizontal tie angle steel penetrates through the joint of the external wallboard and is fixed with the connecting base plate through a bolt; the inside drawknot angle steel that adopts of PTW wallboard handing-over department fixes like this to having improved the performance of bight node, having guaranteed L type connected node's structural strength, pouring secondary cast in situ concrete in the inside cavity of two PTW wallboards 1 at last, the connected node that adopts above-mentioned mode has avoided the cast-in-place drawback of L type node, has solved the great problem that restricts underground space structure and has assembled.

Drawings

FIG. 1 is a top view of the present invention;

fig. 2 is an elevational view of the present invention.

The reference numbers illustrate: 1. PTW wallboard; 2. an L-shaped external wall panel; 3. fixing the base plate; 4. embedding anchor bolts; 5. a bolt; 6. angle steel is tied; 7. l-shaped anchoring steel bars; 8. fixing angle steel; 9. horizontally anchoring the steel bars; 10. pulling the backing plate; 11. and fixing the bottom feet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1 and 2, the utility model provides a wall L-shaped connecting node for a prefabricated assembly type PTW structural system, which is realized by connecting a PTW wallboard with an L-shaped external wallboard, and comprises two PTW wallboards 1, an L-shaped external wallboard 2, a connecting backing plate 3, tie angle steel 6, an L-shaped anchoring steel bar 7 and a fixing angle steel 8; PTW wallboard 1 and L type side fascia 2 are accomplished at mill's processing, transport to the job site and assemble, PTW wallboard 1 and L type side fascia 2's bottom is fixed with the fixed footing 11 that is used for interim support.

The PTW wallboard 1 comprises an inner prefabricated wallboard and an outer prefabricated wallboard, a gap is arranged between the inner prefabricated wallboard and the outer prefabricated wallboard, the two PTW wallboards 1 are arranged in a right angle mode, the inner prefabricated wallboards of the two PTW wallboards 1 are connected with each other, the outer prefabricated wallboards of the two PTW wallboards 1 are connected with each other through an L-shaped external wallboard 2,

a plurality of embedded anchor bolts 4 are correspondingly arranged on the adjacent sides of the inner prefabricated wall plates of the two PTW wall plates 1 along the joint, a plurality of embedded anchor bolts 4 are correspondingly arranged on the connecting sides of the outer prefabricated wall plates of the two PTW wall plates 1 and the L-shaped outer wall plate 2 along the joint, the outer side surfaces of the inner prefabricated wall plates of the two PTW wall plates 1 are fixedly connected with the inner prefabricated wall plates on the two sides of the joint from the outer side surfaces through fixing angle steel 8 arranged on the embedded anchor bolts 4, the outer prefabricated wall plates of the two PTW wall plates 1 and the outer side surfaces of the L-shaped outer wall plate 2 are fixedly connected with the outer side surfaces of the L-shaped outer wall plate 2 from the outer side surfaces through fixing base plates 3 arranged on the embedded anchor bolts 4,

in this embodiment, the embedded anchor bolt 4 is evenly laid from inside and outside prefabricated wallboard and the 2 tops of L type side fascia to the bottom along the seam to embedded anchor bolt 4 is connected adjacent PTW wallboard 1 and the outside of L type side fascia 2.

The inside drawknot angle steel 6 and the L type anchor reinforcing bar 7 that are equipped with improvement joint strength of PTW wallboard 1, 6 one end of drawknot angle steel is inboard through crab-bolt fixed connection with inside prefabricated wallboard, the other end and pass bolt 5 with splice joint between outside prefabricated wallboard and the L type side fascia 2 and be connected to it is fixed to drawknot angle steel 6 drawknot through bolt 5, bolt 5 is fixed in splice joint department between outside prefabricated wallboard and the L type side fascia 2 through drawknot backing plate 10, in order to increase the performance of bight node, in the PTW wallboard, L type side fascia place position is provided with L type anchor reinforcing bar 7.

In this embodiment, the inside equipartition of two PTW wallboards is equipped with the drawknot angle steel, and is a plurality of the drawknot angle steel is laid along PTW wallboard direction of height, and the interval that drawknot angle steel 6 was laid is confirmed according to construction load (mainly be the yawing force of concrete placement in-process), and drawknot angle steel 6 is being reserved crab-bolt position and is being trompil correspondingly to convenient fixed, pour secondary cast in situ concrete at last in the inside cavity of two PTW wallboards 1, the connected node of adoption above-mentioned mode has avoided the cast-in-place drawback of important node, has solved the major problem that restricts underground space structure assembly.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A wall body L-shaped connecting node for a prefabricated assembly type PTW structure system is characterized by comprising two PTW wallboards and L-shaped external wallboards which are arranged in an L shape, wherein each PTW wallboard (1) comprises an inner prefabricated wallboard and an outer prefabricated wallboard, a gap is arranged between the inner prefabricated wallboard and the outer prefabricated wallboard, the inner prefabricated wallboards of the two PTW wallboards are connected with each other, the outer prefabricated wallboards of the two PTW wallboards are connected with each other through the L-shaped external wallboards,

2. The wall L-shaped connecting joint for prefabricated PTW structural systems as claimed in claim 1, wherein the tie angle steel is horizontally arranged.

3. The wall body L-shaped connecting joint for the prefabricated PTW structural system as claimed in claim 1, wherein two PTW wall boards are uniformly provided with tie angle steels inside, and the tie angle steels are uniformly distributed along the height direction of the PTW wall boards.

4. An L-shaped wall connection node for prefabricated PTW structural systems according to claim 1, wherein the PTW wall panels and the L-shaped external wall panels are prefabricated wall panels.

5. The wall L-shaped connecting joint for a prefabricated PTW structural system according to claim 3, wherein the anchor bolts are uniformly distributed along the joints from the top to the bottom of the inner and outer prefabricated wall panels and the L-shaped outer wall panels.

6. The wall L-shaped connecting joint for prefabricated PTW structural systems as claimed in claim 1, wherein fixing footings for temporary support are fixed to the bottoms of the PTW wall panels and the L-shaped external wall panels.