CN218911363U

CN218911363U - Prefabricated underground continuous wall structure

Info

Publication number: CN218911363U
Application number: CN202222911764.9U
Authority: CN
Inventors: 郑天方; 吕鑫龙; 庞挺; 李锐; 倪汉良; 杨丽芳
Original assignee: Zhejiang Jiaoke Engineering Management Co ltd
Current assignee: Zhejiang Jiaoke Engineering Management Co ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-04-25
Anticipated expiration: 2032-11-02

Abstract

The utility model relates to the technical field of prefabricated underground continuous walls, and discloses a prefabricated underground continuous wall structure, wherein limit columns are arranged on the left sides of a first prefabricated underground continuous wall body and a second prefabricated underground continuous wall body, limit long grooves are arranged on the right sides of the first prefabricated underground continuous wall body and the second prefabricated underground continuous wall body, connecting steel plates are connected to the right ends of the rear sides of the first prefabricated underground continuous wall body and the second prefabricated underground continuous wall body, and rubber strips are fixedly connected to one sides of the connecting steel plates; the limiting columns on the second prefabricated underground continuous wall body are aligned with the limiting long grooves on the first prefabricated underground continuous wall body, so that the limiting columns are inserted into the limiting long grooves, and due to the fact that the limiting columns and the limiting long grooves are inclined, the first prefabricated underground continuous wall body and the second prefabricated underground continuous wall body are not easy to deviate after being assembled and connected, adjacent wall bodies are meshed more tightly, connection is more tight and firm, and assembly is facilitated.

Description

Prefabricated underground continuous wall structure

Technical Field

The utility model relates to the technical field of prefabricated underground continuous walls, in particular to a prefabricated underground continuous wall structure.

Background

The underground diaphragm wall is characterized by that a slot-digging machine is used on the ground surface for foundation engineering, and a long and narrow deep slot is dug along the peripheral axis of deep-dug engineering, under the condition of guide wall protection, after the slot is cleared, the reinforcement cage is hung in the slot, then the underwater concrete is poured by means of conduit method to form a unit slot section, so that it can be implemented section by section, and a continuous reinforced concrete wall can be formed underground as water-intercepting, seepage-proofing, bearing and water-retaining structure.

The underground diaphragm wall is a common enclosure structure in foundation pit engineering, and is often required to be placed in a groove in advance and then poured in place after a reinforcement cage is placed, the construction quality of the underground diaphragm wall is often difficult to ensure by a traditional cast-in-place mode, exposed ribs, bulges and the like are often encountered, the waste slurry is troublesome to treat in urban construction, the construction difficulty is high under special geological conditions (such as very soft mucky soil, a drift stone-containing bedding layer, superhard rock and the like), and water is easy to leak at joints of the underground diaphragm wall.

The disclosure of this background section is only intended to increase the understanding of the general background of the application and should not be taken as an admission or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.

Disclosure of Invention

The utility model aims to provide a prefabricated underground diaphragm wall structure, which solves the problems that the construction quality of an underground diaphragm wall is difficult to ensure by the traditional cast-in-situ mode in the background technology, exposed ribs, bulges and the like are frequently encountered, the treatment of waste slurry is troublesome in urban construction, and under special geological conditions (such as very soft mucky soil, a drift-stone-containing bedding layer, superhard rock and the like), the construction difficulty is very high, and water leakage is easy to occur at joints of the underground diaphragm wall.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a prefabricated underground continuous wall structure, includes first prefabricated underground continuous wall body and second prefabricated underground continuous wall body, first prefabricated underground continuous wall body with the left side of second prefabricated underground continuous wall body all is equipped with spacing post, first prefabricated underground continuous wall body with the right side of second prefabricated underground continuous wall body all is equipped with spacing elongated slot, first prefabricated underground continuous wall body with the rear side right-hand member of second prefabricated underground continuous wall body all is connected with the connection steel sheet, one side fixedly connected with rubber strip of connection steel sheet, first prefabricated underground continuous wall body with the rear side left end of second prefabricated underground continuous wall body all is equipped with the draw-in groove.

As a further preferred aspect of the present utility model: the inside of two spacing posts all is equipped with the spliced pole, the cross-section of spacing post is semi-circular.

As a further preferred aspect of the present utility model: the outside of two connecting steel plates is equipped with a plurality of fixing bolt, and a plurality of fixing bolt pass through screw thread fixed connection respectively in the inside of first prefabricated underground continuous wall body and the prefabricated underground continuous wall body of second.

As a further preferred aspect of the present utility model: the limiting columns and the limiting long grooves are inclined for twenty degrees, and the limiting columns and the limiting long grooves are matched with each other.

As a further preferred aspect of the present utility model: one end of the connecting steel plate is matched with the clamping groove.

As a further preferred aspect of the present utility model: the rear side center of the first prefabricated underground continuous wall body and the rear side center of the second prefabricated underground continuous wall body are respectively provided with a groove, and the inner side center of each groove is fixedly connected with a U-shaped frame.

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

1. lifting equipment lifts up the wall surface of the second prefabricated underground continuous wall body through the U-shaped frame, through aiming at the spacing elongated slot on the first prefabricated underground continuous wall body with spacing post on the second prefabricated underground continuous wall body for spacing post inserts to the inside of spacing elongated slot, because spacing post and spacing elongated slot slope set up, make first prefabricated underground continuous wall body and second prefabricated underground continuous wall body be difficult to take place the skew after assembling the connection, adjacent wall interlock is inseparabler, connects inseparabler firm, moreover is convenient for assemble.

2. When the front side of the first prefabricated underground continuous wall body and the front side of the second prefabricated underground continuous wall body are overlapped, the rubber strip on the first prefabricated underground continuous wall body is abutted against one side of the clamping groove of the second prefabricated underground continuous wall body, one end of the connecting steel plate is located in the clamping groove, so that the waterproof effect is achieved, and the waterproof capacity of a joint gap is enhanced.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an assembled top view structure of a first prefabricated underground diaphragm wall and a second prefabricated underground diaphragm wall according to the present utility model;

FIG. 2 is a schematic view of the rear view structure of a first prefabricated underground diaphragm wall according to the present utility model;

FIG. 3 is a schematic view of a first prefabricated underground diaphragm wall structure according to the present utility model.

Reference numerals illustrate: 1. a first prefabricated underground diaphragm wall; 2. the second prefabricated underground continuous wall body; 3. a reinforcing column; 4. a limit column; 5. a limiting long groove; 6. connecting steel plates; 7. a rubber strip; 8. a clamping groove; 9. a groove; 10. a U-shaped frame; 11. and (5) fixing bolts.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the scope of the present disclosure, since any structural modifications, proportional changes, or dimensional adjustments made by those skilled in the art should not be made in the present disclosure without affecting the efficacy or achievement of the present disclosure.

Examples

In the prior art, the construction quality of the underground diaphragm wall is difficult to ensure in the traditional cast-in-situ mode, exposed ribs, bulges and the like are frequently encountered, the waste slurry is troublesome to treat in urban construction, and under special geological conditions (such as very soft mucky soil, a drift stone-containing alluvial layer, superhard rock and the like), the construction difficulty is very high, and meanwhile, the joint of the underground diaphragm wall is easy to leak water.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a prefabricated underground diaphragm wall structure, including first prefabricated underground diaphragm wall body 1 and second prefabricated underground diaphragm wall body 2, the left side of first prefabricated underground diaphragm wall body 1 and second prefabricated underground diaphragm wall body 2 all is equipped with spacing post 4, the right side of first prefabricated underground diaphragm wall body 1 and second prefabricated underground diaphragm wall body 2 all is equipped with spacing elongated slot 5, the rear side central department of first prefabricated underground diaphragm wall body 1 and second prefabricated underground diaphragm wall body 2 all is equipped with recess 9, the inboard central department fixedly connected with U type frame 10 of recess 9, spacing post 4 and spacing elongated slot 5 all incline twenty degrees, spacing post 4 and spacing elongated slot 5 mutually match, wall surface through U type frame 10 with second prefabricated underground diaphragm wall body 2 is hung, through the spacing post 4 on with second prefabricated underground diaphragm wall body 2 aligns spacing elongated slot 5 on first prefabricated underground diaphragm wall body 1, make spacing post 4 insert to spacing elongated slot 5 inside, because spacing post 4 and spacing elongated slot 5 slope setting, make first prefabricated underground diaphragm wall 1 and second underground diaphragm wall body 2 take place after the skew closely, the skew is more closely connected, and the wall body is assembled firmly, it is more convenient for the prefabricated diaphragm wall body is assembled closely.

The right ends of the rear sides of the first prefabricated underground diaphragm wall body 1 and the second prefabricated underground diaphragm wall body 2 are respectively connected with a connecting steel plate 6, one side of each connecting steel plate 6 is fixedly connected with a rubber strip 7, the left ends of the rear sides of the first prefabricated underground diaphragm wall body 1 and the second prefabricated underground diaphragm wall body 2 are respectively provided with a clamping groove 8, the interiors of the two limiting columns 4 are respectively provided with a reinforcing column 3, the cross sections of the limiting columns 4 are semicircular, the outsides of the two connecting steel plates 6 are provided with a plurality of fixing bolts 11, the plurality of fixing bolts 11 are respectively and fixedly connected to the interiors of the first prefabricated underground diaphragm wall body 1 and the second prefabricated underground diaphragm wall body 2 through threads, and one ends of the connecting steel plates 6 are mutually matched with the clamping grooves 8; when the front side of the first prefabricated underground diaphragm wall body 1 and the front side of the second prefabricated underground diaphragm wall body 2 are overlapped, the rubber strip 7 on the first prefabricated underground diaphragm wall body 1 is abutted against one side of the clamping groove 8 of the second prefabricated underground diaphragm wall body 2, one end of the connecting steel plate 6 is positioned in the clamping groove 8, so that the waterproof effect is achieved, and the waterproof capability of a joint gap is enhanced.

When the first prefabricated underground continuous wall body 1 and the second prefabricated underground continuous wall body 2 are assembled according to the working principle or the structural principle, the hoisting equipment hoistes the wall surface of the second prefabricated underground continuous wall body 2 through the U-shaped frame 10, the limiting columns 4 on the second prefabricated underground continuous wall body 2 are aligned with the limiting long grooves 5 on the first prefabricated underground continuous wall body 1, the limiting columns 4 are inserted into the limiting long grooves 5, due to the inclined arrangement of the limiting columns 4 and the limiting long grooves 5, the first prefabricated underground continuous wall body 1 and the second prefabricated underground continuous wall body 2 are not easy to deviate after being assembled and connected, adjacent wall bodies are meshed more tightly, connection is tighter and firmer, when the front side of the first prefabricated underground continuous wall body 1 and the front side of the second prefabricated underground continuous wall body 2 are overlapped, the rubber strips 7 on the first prefabricated underground continuous wall body 1 are abutted against one sides of the clamping grooves 8 of the second prefabricated underground continuous wall body 2, one ends of the connecting steel plates 6 are located inside the clamping grooves 8, and waterproof effect is achieved, and waterproof performance of gaps at the connecting positions is enhanced.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a prefabricated underground continuous wall structure, includes first prefabricated underground continuous wall body (1) and second prefabricated underground continuous wall body (2), its characterized in that: the utility model discloses a prefabricated underground continuous wall, including prefabricated underground continuous wall (2) and second, first prefabricated underground continuous wall (1) with the left side of prefabricated underground continuous wall (2) all is equipped with spacing post (4), first prefabricated underground continuous wall (1) with the right side of prefabricated underground continuous wall (2) all is equipped with spacing elongated slot (5), first prefabricated underground continuous wall (1) with the rear right-hand member of prefabricated underground continuous wall (2) of second all is connected with connecting steel sheet (6), one side fixedly connected with rubber strip (7) of connecting steel sheet (6), first prefabricated underground continuous wall (1) with the rear left end of prefabricated underground continuous wall (2) of second all is equipped with draw-in groove (8).

2. A prefabricated underground diaphragm wall structure according to claim 1, wherein: the inside of two spacing post (4) all is equipped with spliced pole (3), the cross-section of spacing post (4) is semi-circular.

3. A prefabricated underground diaphragm wall structure according to claim 1, wherein: the outer sides of the two connecting steel plates (6) are provided with a plurality of fixing bolts (11), and the fixing bolts (11) are respectively and fixedly connected to the inner parts of the first prefabricated underground continuous wall body (1) and the second prefabricated underground continuous wall body (2) through threads.

4. A prefabricated underground diaphragm wall structure according to claim 1, wherein: the limiting columns (4) and the limiting long grooves (5) are inclined for twenty degrees, and the limiting columns (4) and the limiting long grooves (5) are matched with each other.

5. A prefabricated underground diaphragm wall structure according to claim 1, wherein: one end of the connecting steel plate (6) is matched with the clamping groove (8).

6. A prefabricated underground diaphragm wall structure according to claim 1, wherein: the novel prefabricated underground diaphragm wall comprises a first prefabricated underground diaphragm wall body (1) and a second prefabricated underground diaphragm wall body (2), wherein grooves (9) are formed in the center of the rear side of the first prefabricated underground diaphragm wall body (1), and U-shaped frames (10) are fixedly connected to the center of the inner side of each groove (9).