Connection system of underground diaphragm wall reinforcement cage

Abstract

The utility model discloses a connection system of an underground diaphragm wall reinforcement cage, which is characterized in that a conduit bin for accommodating a conduit is formed in the underground diaphragm wall reinforcement cage, and the connection system comprises a reinforcement connector group connected to the underground diaphragm wall reinforcement cage along the thickness direction of an underground diaphragm wall, the steel bar connector set comprises a first steel bar connector right opposite to the guide pipe bin and second steel bar connectors arranged on the two sides of the guide pipe bin. The first steel bar connector and the second steel bar connectors are both arranged on the side, close to the foundation slab, of the underground diaphragm wall steel bar cage. The first end of the anchoring rib set is connected to the steel bar connector set, the second end of the anchoring rib set is connected to the underground diaphragm wall steel bar cage, the anchoring rib set comprises a vertical anchoring rib and an oblique bending anchoring rib, the vertical anchoring rib is connected to the first steel bar connector, and the oblique bending anchoring rib is connected to the second steel bar connector. The space of the guide pipe bin body is cleverly reserved so as to avoid the guide pipe bin, so that the later process is smooth, namely, the concrete pouring blanking of the underground diaphragm wall is smooth, and the steel bar connection (connection) of the bottom plate is smooth.

Description

Technical Field

[0001] The utility model relates to the technical field of construction engineering, in particular to a connection system of a steel cage of an underground continuous wall. Background Art

[0002] The application of underground continuous wall as the retaining wall technology of deep and large foundation pits has become more and more frequent and common. The connection between the foundation slab and the underground continuous wall is achieved by pre-embedding steel bar connectors with the same specifications as the main bars of the foundation slab during the installation of the underground continuous wall reinforcement cage. However, the steel bar connectors and the conduits for pouring concrete of the underground continuous wall collide with each other vertically and horizontally, that is, they interfere with each other in space, affecting and trouble the structural safety of the effective connection between the foundation slab reinforcement and the underground continuous wall, which is not conducive to the safety of deep foundation pits and permanent foundation structures. Utility Model Content

[0003] In order to overcome the defects of the prior art, a connection system for an underground continuous wall steel cage is provided, which can solve the problem of collision and spatial interference between the steel connector of the underground continuous wall and the conduit when the existing foundation bottom plate is connected to the underground continuous wall.

[0004] In order to achieve the above technical effects, the solution provided by the utility model is to provide a connection system for an underground continuous wall steel cage, wherein a conduit bin for accommodating a conduit is formed in the underground continuous wall steel cage, and the conduit bin comprises:

[0005] A steel bar connector group, the steel bar connector group is connected to the underground continuous wall steel bar cage along the thickness direction of the underground continuous wall, the steel bar connector group includes a first steel bar connector arranged opposite to the position of the conduit warehouse and a second steel bar connector arranged on both sides of the conduit warehouse, the first steel bar connector and the second steel bar connector are both arranged on a side of the underground continuous wall steel bar cage close to the foundation bottom plate;

[0006] An anchor bar group, the first end of the anchor bar group is connected to the steel bar connector group, the second end of the anchor bar group is connected to the underground continuous wall steel cage, the anchor bar group includes vertical anchor bars and oblique curved anchor bars, the vertical anchor bars are connected to the first steel bar connector, and the oblique curved anchor bars are connected to the second steel bar connector.

[0007] Preferably, the vertical anchor bar includes a horizontal section and a vertical section, the horizontal section is arranged along the thickness direction of the underground continuous wall, and the first end of the horizontal section is connected to the first steel bar connector, the second end of the horizontal section is located between the conduit warehouse and the first steel bar connector, the vertical section is arranged parallel to the conduit warehouse and the first end of the vertical section is connected to the second end of the horizontal section, and the second end of the vertical section is connected to the underground continuous wall steel cage.

[0008] Preferably, the oblique curved anchor bar includes a straight section and an oblique curved section, the straight section is arranged along the thickness direction of the underground continuous wall, and the first end of the straight section is connected to the second steel bar connector, the second end of the straight section is located between the conduit warehouse and the second steel bar connector, the first end of the oblique curved section is connected to the second end of the straight section, and the second end of the oblique curved section extends obliquely away from the conduit warehouse and is connected to the underground continuous wall steel cage.

[0009] Preferably, the number of the second steel bar connectors on each side of the conduit compartment is two, the two second steel bar connectors are closely arranged side by side, and the oblique curved anchor bars connected to the two second steel bar connectors are arranged in parallel.

[0010] The beneficial effect of the utility model is that the utility model is a connection system for underground continuous wall steel cages, and the anchoring bar group in the underground continuous wall adopts bent anchors or vertical anchors of different angles, which cleverly gives up the space of the conduit warehouse body, so as to avoid the conduit warehouse and make the later process "smooth", that is, the underground continuous wall concrete pouring and material feeding are smooth and the bottom plate steel bar connection (connection) is smooth, which greatly improves the convenience of construction, well guarantees the structural safety of the effective connection between the foundation bottom plate steel bar and the underground continuous wall, and is beneficial to the use safety of deep foundation pits and permanent foundation structures. And the steel bar connectors on both sides of the conduit warehouse adopt the method of gathering and combining the bars, which can better avoid the conduit warehouse body. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0012] Figure 1 It is a plan view of a connection system of a reinforcement cage of an underground continuous wall of the utility model.

[0013] Figure 2 yes Figure 1 AA cross-section diagram of .

[0014] Figure 3 yes Figure 1 Schematic diagram of the BB cross section.

[0015] The corresponding relationship of the numbers in the figure is as follows:

[0016] 1-underground continuous wall steel cage; 2-conduit bin; 3-first steel connector; 4-second steel connector; 5-vertical anchor bar; 51-horizontal section; 52-vertical section; 6-oblique curved anchor bar; 61-straight section; 62-oblique curved section; 7-foundation slab. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figures 1 to 3 As shown, the embodiment of the utility model provides a connection system for underground continuous wall steel cage, including a steel bar connector group and an anchor bar group. Among them:

[0019] A conduit bin 2 for accommodating a conduit is formed in the underground continuous wall reinforcement cage 1. A reinforcement connector group is connected to the underground continuous wall reinforcement cage 1 along the thickness direction of the underground continuous wall. The reinforcement connector group includes a first reinforcement connector 3 arranged opposite to the conduit bin 2 and a second reinforcement connector 4 arranged on both sides of the conduit bin 3. The first reinforcement connector 3 and the second reinforcement connector 4 are both arranged on one side of the underground continuous wall reinforcement cage 1 close to the foundation bottom plate 7.

[0020] The first end of the anchor bar group is connected to the steel bar connector group, and the second end of the anchor bar group is connected to the underground continuous wall steel cage 1. The first end of the anchor bar group is provided with an external thread and is screwed into the steel bar connector group, and the second end of the anchor bar group is welded to the underground continuous wall steel cage 1. The anchor bar group includes vertical anchor bars 5 and oblique curved anchor bars 6, the vertical anchor bars 5 are connected to the first steel bar connector 3, and the oblique curved anchor bars 6 are connected to the second steel bar connector 4.

[0021] As a preferred implementation, Figure 1 and Figure 2 As shown, the vertical anchor bar 5 includes a horizontal section 51 and a vertical section 52. The horizontal section 51 is arranged along the thickness direction of the underground continuous wall, and the first end of the horizontal section 51 is screwed and connected to the first steel bar connector 3, and the second end of the horizontal section 51 is located between the conduit warehouse 2 and the first steel bar connector 3. The vertical section 52 is arranged parallel to the conduit warehouse 2, and the first end of the vertical section 52 is connected to the second end of the horizontal section 51, and the second end of the vertical section 52 is welded to the underground continuous wall steel cage 1.

[0022] As a preferred implementation, Figure 1 and Figure 2As shown, the oblique curved anchor bar 6 includes a straight section 61 and an oblique curved section 62. The straight section 61 is arranged along the thickness direction of the underground continuous wall, and the first end of the straight section 61 is screwed and connected to the second steel bar connector 4. The second end of the straight section 61 is located between the conduit bin 2 and the second steel bar connector 4. The first end of the oblique curved section 62 is connected to the second end of the straight section 61, and the second end of the oblique curved section 62 extends obliquely in a direction away from the conduit bin 2 and is connected to the underground continuous wall steel cage 1 to strengthen the anchoring length and structural connection integrity of the steel bar connector and the underground continuous wall.

[0023] As a preferred implementation, Figure 1 As shown, the number of the second steel bar connectors 4 on each side of the catheter warehouse 2 is two, the two second steel bar connectors 4 are closely arranged side by side, and the obliquely curved anchor bars 62 connected to the two second steel bar connectors 4 are arranged in parallel. Figure 1 As shown, in this embodiment, the number of the first connector 3 is one and it is arranged directly opposite the center of the catheter warehouse 2, and the second steel bar connectors 4 on both sides are symmetrically arranged on both sides of the catheter warehouse 2 with the center of the catheter warehouse 2 as the axis.

[0024] The specific implementation steps of the connection system of the underground continuous wall steel cage of the utility model are as follows:

[0025] 1. Construct underground continuous wall steel cage 1, and plan and locate the position of conduit warehouse 2 in advance;

[0026] 2. On the basis of step 1, the position opposite to the conduit warehouse 2 is vacated, and the steel bar connector is moved outward to determine the displacement position of the second steel bar connector 4 in a parallel reinforcement manner, and the second steel bar connector 4 is fixed accordingly.

[0027] 3. On the basis of step 2, the anchor bar group is connected to the steel bar connector group, and the anchor bar group is anchored vertically and obliquely according to the pre-designed method. The anchor bar connected to the first steel bar connector 3 facing the conduit chamber 2 is avoided by vertical anchoring, and the anchor bar connected to the second steel bar connector 4 near the edge of the conduit chamber 2 is avoided by oblique anchoring, so as to strengthen the anchorage length and structural connection integrity of the steel bar connector and the underground continuous wall;

[0028] 4. On the basis of step 3, lower the conduit into the conduit bin 2 in the reserved clearance in the underground continuous wall reinforcement cage 1 and pour concrete. The reinforcement connector is reserved and embedded with the underground continuous wall structure. During the later construction of the foundation slab 7, the reinforcement connector port is pulled out and connected to the main reinforcement of the foundation slab 7.

[0029] Parts not involved in the present invention are the same as the prior art or can be implemented by the prior art. Although the embodiments of the present invention have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A connection system for an underground continuous wall steel cage, wherein a conduit compartment for accommodating a conduit is formed in the underground continuous wall steel cage, characterized in that: include: A steel bar connector group, the steel bar connector group is connected to the underground continuous wall steel bar cage along the thickness direction of the underground continuous wall, the steel bar connector group includes a first steel bar connector arranged opposite to the position of the conduit warehouse and a second steel bar connector arranged on both sides of the conduit warehouse, the first steel bar connector and the second steel bar connector are both arranged on a side of the underground continuous wall steel bar cage close to the foundation bottom plate; An anchor bar group, the first end of the anchor bar group is connected to the steel bar connector group, the second end of the anchor bar group is connected to the underground continuous wall steel cage, the anchor bar group includes vertical anchor bars and oblique curved anchor bars, the vertical anchor bars are connected to the first steel bar connector, and the oblique curved anchor bars are connected to the second steel bar connector.

2. The connection system of underground continuous wall steel cage according to claim 1, characterized in that: The vertical anchor bar includes a horizontal section and a vertical section, the horizontal section is arranged along the thickness direction of the underground continuous wall, and the first end of the horizontal section is connected to the first steel bar connector, the second end of the horizontal section is located between the conduit warehouse and the first steel bar connector, the vertical section is arranged parallel to the conduit warehouse, and the first end of the vertical section is connected to the second end of the horizontal section, and the second end of the vertical section is connected to the underground continuous wall steel cage.

3. The connection system of underground continuous wall steel cage according to claim 1, characterized in that: The oblique curved anchor bar includes a straight section and an oblique curved section, the straight section is arranged along the thickness direction of the underground continuous wall, and the first end of the straight section is connected to the second steel bar connector, the second end of the straight section is located between the conduit warehouse and the second steel bar connector, the first end of the oblique curved section is connected to the second end of the straight section, and the second end of the oblique curved section extends obliquely away from the conduit warehouse and is connected to the underground continuous wall steel cage.

4. The connection system of underground continuous wall steel cage according to claim 1, characterized in that: The number of the second steel bar connectors on each side of the catheter warehouse is two, the two second steel bar connectors are closely arranged side by side, and the oblique curved anchor bars connected by the two second steel bar connectors are arranged in parallel.

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