CN211735351U

CN211735351U - Transverse connection structure of prefabricated underground diaphragm wall

Info

Publication number: CN211735351U
Application number: CN201921513626.7U
Authority: CN
Inventors: 张延年; 陈文佩
Original assignee: Shenyang Jianzhu University
Current assignee: Shenyang Jianzhu University
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-10-23
Anticipated expiration: 2029-09-12

Abstract

The utility model relates to a prefabricated underground continuous wall transverse connection structure belongs to building technical field. The two walls are horizontally connected through a connecting member, the overhanging vertical ribs are connected with each other through holes in the connecting member, corresponding to the vertical ribs, on a connecting plate above the guide plate and connected through a sleeve, the prefabricated walls are placed in the dug groove section of the continuous wall to be connected, a rectangular opening is formed after the two walls and the two connecting members are connected, a rectangular reinforcing cage is placed in the rectangular reinforcing cage, concrete is poured for connection, and after all the walls are spliced, the gap is filled with concrete, so that construction is completed. The utility model discloses site operation maneuverability is good, and the component connection quality is reliable, and assembly work efficiency is high, and the transportation is convenient, and the cast in situ part is few, and economic effect is better, and seam crossing water-proof effects is good.

Description

Transverse connection structure of prefabricated underground diaphragm wall

Technical Field

The invention belongs to the technical field of underground structure maintenance and construction, and particularly relates to a transverse connection structure of a prefabricated underground diaphragm wall.

Background

After decades of development, the technology of underground continuous walls is well developed, wherein japan is the most developed in the technology, and has been built up over 1500 ten thousand square meters in an accumulated manner, the maximum excavation depth of the underground continuous walls is 140m, and the thinnest underground continuous walls are 20cm in thickness. In 1958, the dam impervious wall is firstly built by the hydropower department in Qingdao Danzi mouth reservoirs in China by using the technology, and by 2013, the technology is successively applied to most provinces in China, and the built underground continuous wall is estimated to be 120-140 ten thousand square meters. Underground diaphragm walls have been and are being used in many aspects of foundation engineering in place of many traditional construction methods. In its early stage, it is basically used as a diaphragm wall or a temporary retaining wall. Increasingly, they are used as part of structures or as host structures through the development and use of many new technologies, new devices and new materials. The urban construction in China develops rapidly, and large foundation pit projects and the like related to commercial houses, urban rail transit stations and the like have wide requirements on the underground continuous wall which is an enclosure structure, but the requirements on environmental protection are more and more urgent and the requirements on safety, construction period and the like are more and more strict along with the increasing shortage of urban space, and the traditional construction method of the underground continuous wall cannot completely meet the requirements on the urban construction. In partial construction sites, the control of urban noise, mud discharge and the like is strict, and a novel construction method of the underground diaphragm wall is urgently needed in an area with limited construction disturbance time so as to meet engineering requirements. The appearance of the assembled underground continuous wall provides possibility for solving the problems, the construction period can be effectively shortened, but the existing assembled underground continuous wall has the problems of unreliable connection, poor waterproof performance of joints and the like, and the urgent need exists for providing the assembled underground continuous wall and the connection method which have the advantages of convenient transportation, convenient construction, safety, reliability and good waterproof performance of the joints.

Disclosure of Invention

In order to solve the problems, the invention provides a transverse connecting structure of a prefabricated underground diaphragm wall, and mainly aims to develop the transverse connecting structure of the prefabricated underground diaphragm wall, which has the advantages of good field construction operability, reliable component connection quality, high assembly operation efficiency, convenient transportation, contribution to shortening the construction period and good waterproof performance of a joint.

The technical scheme adopted by the invention is as follows:

a transverse connection structure of a prefabricated underground continuous wall comprises a wall body, an outrigger stud, a positioning groove, a connecting member, a positioning plate, a communication hole, a guide plate, a connecting plate, an outer baffle, a sleeve and a rectangular reinforcement cage;

the wall body is prefabricated, two positioning grooves are formed in the wall body in the thickness direction and close to the inner side surface and the outer side surface, and the outrigger vertical ribs of the wall body extend outwards;

the connecting component is the steel construction, the connecting component includes outer baffle, the deflector, the connecting plate, the locating plate, the intercommunicating pore, two vertical connecting plate perpendicular to outer baffles, the inboard deflector that sets up perpendicularly in connecting plate upper portion, the connecting plate top just is close to the deflector top and is provided with the intercommunicating pore, the deflector is parallel with outer baffle, and distance between the two equals with the distance of the lateral surface of wall body to overhanging frame stud bottom, the terminal of connecting plate is provided with the locating plate perpendicularly to the outside, the locating plate size suits with the positioning groove of wall body.

The inner side and the outer side of the joint between the walls are respectively provided with a connecting component, the outer baffle plates are attached to the outer sides of the two walls, the outrigger studs penetrate through the communication holes and are attached to the guide plates and are fixedly connected through the sleeves, and the positioning plates of the connecting components are arranged in the positioning grooves of the walls.

Furthermore, a rectangular notch is formed at the joint of the connecting member and the wall body, a rectangular steel reinforcement cage is placed in the rectangular notch, and concrete is poured in gaps on all the wall bodies.

The invention has the beneficial effects that:

the invention has the advantages of good field construction operability, reliable component connection quality, high assembly operation efficiency, convenient transportation, contribution to shortening the construction period and good waterproof performance of the joint.

Drawings

FIG. 1 is a top view of two walls, two connecting members and a rectangular reinforcement cage;

FIG. 2 is a top view of two walls and two connecting members;

FIG. 3 is a top view of a wall;

fig. 4 is a top view of the connecting member.

In the figure: 1 is a wall body, 2 is an outrigger stud, 3 is a positioning groove, 4 is a connecting component, 5 is a positioning plate, 6 is a communicating hole, 7 is a guide plate, 8 is a connecting plate, 9 is an outer baffle, 10 is a sleeve, 11 is a rectangular reinforcing cage, and 12 is a rectangular notch.

Detailed Description

In order to further illustrate the present invention, the following detailed description of the present invention is given with reference to the accompanying drawings and examples, which should not be construed as limiting the scope of the present invention.

A prefabricated underground continuous wall transverse connection structure comprises a wall body 1, outrigger studs 2, positioning grooves 3, connecting members 4, positioning plates 5, communication holes 6, guide plates 7, connecting plates 8, outer baffles 9, sleeves 10 and rectangular reinforcement cages 11;

the wall body 1 is prefabricated, two positioning grooves 3 are formed in the wall body 1 in the thickness direction and close to the inner side surface and the outer side surface, and the outrigger studs 2 of the wall body 1 extend outwards;

connecting elements 4 is the steel construction, connecting elements 4 includes outer baffle 9, deflector 7, connecting plate 8, locating plate 5, the intercommunicating pore 6, two outer baffle 9 of 8 perpendicular to of vertical connecting plate, 8 upper portion inboards of connecting plate set up deflector 7 perpendicularly, 8 tops of connecting plate and be close to the deflector 7 top and be provided with intercommunicating pore 6, deflector 7 is parallel with outer baffle 9, and distance between the two equals with the distance of the lateral surface of wall body 1 to the 2 bottoms of outrigger grudging post, 8 terminal outside of connecting plate is provided with locating plate 5 perpendicularly, 5 sizes of locating plate suit with the constant head tank 3 of wall body 1.

The inside and outside of the junction between the wall body 1 respectively is equipped with a connecting elements 4, and outer baffle 9 pastes and establishes in two wall body 1 outsides, and outrigger stud 2 passes intercommunicating pore 6 and pastes and lean on deflector 7, and deflector 7 can play the effect of confirming the position to outrigger stud 2 to connect fixedly through sleeve pipe 10, in the locating plate 5 of connecting elements 4 was put into the constant head tank 3 of wall body 1 when the installation, constant head tank 3 can play fixed and definite position's effect to connecting elements 4, and simultaneously, connecting plate 8 can play fixed and definite position effect to rectangular reinforcement cage 11.

Rectangular gaps 12 are formed at the joints of the connecting members 4 and the wall body 1, rectangular reinforcement cages 11 are placed in the rectangular gaps 12 and are connected by pouring concrete, and after all the wall bodies are spliced, gaps are filled with concrete.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a prefabricated underground continuous wall transverse connection structure, includes wall body (1), outrigger grudging post (2), constant head tank (3), connecting elements (4), locating plate (5), intercommunicating pore (6), deflector (7), connecting plate (8), outer baffle (9), sleeve pipe (10), rectangle steel reinforcement cage (11), its characterized in that: the wall body (1) is prefabricated, two positioning grooves (3) are formed in the wall body (1) in the thickness direction and close to the inner side surface and the outer side surface, and the outrigger studs (2) of the wall body (1) extend outwards; the connecting component (4) is of a steel structure, the connecting component (4) comprises an outer baffle (9), guide plates (7), connecting plates (8), positioning plates (5) and communication holes (6), the two vertical connecting plates (8) are perpendicular to the outer baffle (9), the guide plates (7) are vertically arranged on the inner sides of the upper portions of the connecting plates (8), the communication holes (6) are formed above the connecting plates (8) and close to the upper portions of the guide plates (7), the guide plates (7) are parallel to the outer baffle (9), the distance between the guide plates and the outer baffle (9) is equal to the distance between the outer side surface of the wall body (1) and the bottom of the outrigger upright rib (2), the positioning plates (5) are vertically arranged on the outer sides of the tail ends of the connecting plates (8), and the size of the; the inner side and the outer side of a joint between the walls (1) are respectively provided with a connecting component (4), the outer baffle (9) is attached to the outer sides of the two walls (1), the outrigger studs (2) penetrate through the communication holes (6) and are attached to the guide plate (7) and are fixedly connected through the sleeve (10), and the positioning plate (5) of the connecting component (4) is arranged in the positioning groove (3) of the wall (1).

2. The prefabricated underground diaphragm wall transverse connection structure of claim 1, wherein: rectangular gaps (12) are formed at the joints of the connecting members (4) and the wall bodies (1), rectangular reinforcement cages (11) are placed in the rectangular gaps (12), and concrete is poured in gaps on all the wall bodies (1).