Large building structural joint post-cast strip strengthening and waterproof structure

By using a combined structure of water-stop steel plates and reinforced connecting plates in the post-cast strip, the time-consuming and labor-intensive problem of cleaning sediment and accumulated water in the post-cast strip is solved, the waterproof performance and strength of the post-cast strip are enhanced, and higher shear and crack resistance and forming quality are achieved.

CN223458955UActive Publication Date: 2025-10-21ZHEJIANG GUOCHENG CONSTRUCTION GROUP CO LTD
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Patent Information

Application Number
CN202421602797.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-09
Publication Date
2025-10-21
Estimated Expiration
2034-07-09

AI Technical Summary

Technical Problem

In the prior art, the post-cast strip consumes human resources and has poor results when cleaning sediment and accumulated water, and the post-cast strip has insufficient strength and waterproof performance.

Method used

A combined structure of waterstop steel plates and reinforcing connecting plates is adopted. The transverse steel bars are connected by welding or butt joints, and the supporting members are combined to provide supporting force, replacing the steps of chiseling and roughening, thereby enhancing the contact area and shear and crack resistance.

Benefits of technology

It improves the waterproof performance and overall strength of the post-cast strip, reduces the cleaning steps, ensures good bonding between the post-cast strip and the concrete layer, enhances the shear and crack resistance, and improves the molding quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a large building structural joint post-cast strip strengthening and waterproof structure which comprises concrete layers on the two sides, a structural joint is reserved between the concrete layers, a plurality of post-cast strip assemblies are arranged according to the length of the structural joint and located in the structural joint, and each post-cast strip assembly comprises a water stop steel plate arranged in the middle of the two sides of the structural joint. Reinforcing connecting plates are arranged at the upper end and the lower end of the water stop steel plate, the reinforcing connecting plates are connected with supporting pieces, the supporting pieces provide supporting force for the reinforcing connecting plates, the post-cast strip structure does not need the processes of chiseling, roughening and the like, and the strength of the post-cast strip and the joint quality are improved; and through the arrangement of the water stop steel plates and the reinforcing connecting plates, the water seepage prevention performance is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of large building structure joint post-pouring band reinforcement and waterproof structure. BACKGROUND

[0002] Post-pouring band is the concrete band that is left in the corresponding position of foundation slab, wall, beam according to design or construction specification requirement in building construction to prevent harmful cracks that may be generated due to uneven shrinkage or uneven settlement of reinforced concrete structure, for example, application No. CN202022818248.2, named post-pouring band construction structure, including the limiting assembly that is fixedly connected with beam or plate main reinforcement and arranged at the end of beam or plate, the limiting assembly includes cross arrangement steel mesh, the first steel mesh and the second steel mesh are fixedly connected on the steel mesh by lashing, the mesh of the first steel mesh is smaller than the mesh of the second steel mesh, the first steel mesh is located near beam or plate side, the first steel mesh and the second steel mesh are staggered. Its simple structure carries out pressure protection to the end of beam or plate, avoids the deformation of the end of beam or plate poured in advance, guarantees pouring quality;But post-pouring band needs to be chiseled before post-pouring band pours, there will be a lot of sediment and accumulated water in post-pouring band after chiseling, which needs to be cleaned manually before post-pouring band pours. Because steel bars are also arranged in post-pouring band, it is difficult for manual to clean sediment and accumulated water in post-pouring band, and actual cleaning process needs to consume more human resources, takes a long time and the cleaning effect is poor. UTILITY MODEL CONTENTS

[0003] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a large building structure joint post-pouring band reinforcement and waterproof structure, which eliminates the process of chiseling and roughening, and strengthens the strength of post-pouring band and the quality of joint. It also improves the water seepage resistance by setting the water stop steel plate and the reinforcing connecting plate.

[0004] In order to achieve the above purpose, the utility model provides the following technical scheme: a large building structure joint post-pouring band reinforcement and waterproof structure, including concrete layer of two side edges, the structure joint is left between the concrete layer, post-pouring band assembly is provided with multiple groups according to the length of structure joint and is located in the structure joint, the post-pouring band assembly includes water stop steel plate arranged in the middle of the two side edges of structure joint, the water stop steel plate is provided with reinforcing connecting plate at both ends, the reinforcing connecting plate is connected with support, and the support provides support force for the reinforcing connecting plate.

[0005] Further, the water stop steel plate is provided with a clamping block welded on the corresponding reinforcing connecting plate, one end of the reinforcing connecting plate is clamped into the clamping block and perpendicular to the clamping block, the reinforcing connecting plate comprises a recessed rectangular plate, the recessed end of the recessed rectangular plate faces the concrete layer, the recessed rectangular plate is provided with a through hole for the transverse steel bars of the concrete layer to pass through, and a sharp protrusion is arranged between adjacent through holes, a plurality of holes are arranged on the sharp protrusion and communicate with the recessed end.

[0006] Further, the support comprises a support base, the support base is provided with a T-shaped plate, the T-shaped plate is provided with a through slot at intervals, and a plurality of guide rods are arranged on the middle part of the T-shaped plate in a transverse manner, the guide rods are arranged adjacent to the through slot, and C-shaped plates are arranged at both ends of the plurality of guide rods, abutting plates are arranged at both ends of the C-shaped plates, a pushing piece is arranged between the C-shaped plates, and the pushing piece is used to adjust the position of the C-shaped plates on the guide rods and abut against the reinforcing connecting plate.

[0007] Further, the pushing piece comprises a plurality of V-shaped hinged rods hinged to the C-shaped plates, the hinged ends of the V-shaped hinged rods are connected with moving rods, the moving rods are connected with a connecting plate through the T-shaped plate, the connecting plate is connected with a first driving piece, and the expansion or contraction of the V-shaped hinged rods is realized by the upward or downward movement of the connecting plate driven by the first driving piece.

[0008] Further, the support comprises a H-shaped support plate, the H-shaped support plate is provided with a first placement slot and a second placement slot along the length, the first placement slot is provided with a first rotating telescopic abutting rod, the second placement slot is provided with a second rotating telescopic abutting rod, the both sides of the telescopic ends of the first rotating telescopic abutting rod and the second rotating telescopic abutting rod are slidably connected with abutting plates, and the first rotating telescopic abutting rod and the second rotating telescopic abutting rod are provided with a second driving piece, and the second driving piece is used to adjust the rotation angle of the first rotating telescopic abutting rod and the second rotating telescopic abutting rod.

[0009] Further, the second driving piece comprises a first rotating rod connected with the first rotating telescopic abutting rod and a second rotating rod connected with the second rotating telescopic abutting rod through a transmission piece, and the angle adjustment of the first rotating telescopic abutting rod and the second rotating telescopic abutting rod is realized by rotating the first rotating rod and the second rotating rod.

[0010] Further, the end face of the abutting plate facing the sharp protrusion is provided with a plugging block, and the plugging block is used to plug the holes.

[0011] Further, the transverse steel bars of the concrete layer are welded with the steel bars in the post-cast strip structure or connected with the steel bars in the post-cast strip through the joint.

[0012] Beneficial effects: The water stop steel plate, the reinforcing connecting piece and the support piece are arranged, the water stop steel plate avoids the leakage problem of the post-poured strip, the reinforcing connecting piece is combined, the contact area between the concrete layers on two sides and the post-poured strip is increased, and seepage is not prone to being generated. The reinforcing connecting piece is arranged to replace the step of chiseling and roughening the concrete layer before the post-poured strip is poured, work steps are reduced, the joint between the post-poured strip and the concrete layer is ensured to be good, the shear and crack resistance of the interface between the post-poured strip and the concrete layer is improved, and the forming quality is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a post-poured strip structure schematic view of the embodiment one;

[0014] Figure 2 It is a front view of Figure 1

[0015] Figure 3 It is a post-poured strip pouring schematic view;

[0016] Figure 4 It is a water stop steel plate and reinforcing connecting plate connecting schematic view;

[0017] Figure 5 It is a schematic view of the embodiment two;

[0018] Figure 6 It is a support piece non-supporting schematic view;

[0019] Figure 7 It is a support piece supporting schematic view.

[0020] The drawings show that: 1, a concrete layer; 2, a structural joint; 3, a post-poured strip assembly; 4, a water stop steel plate; 5, a reinforcing connecting plate; 51, a recessed rectangular plate; 52, a through hole; 53, a sharp cone protrusion; 6, a support piece; 7, a support base; 8, a T-shaped plate; 9, a guide rod; 10, a C-shaped plate; 11, a pushing piece; 111, a V-shaped hinged rod; 112, a moving rod; 113, a connecting plate; 114, a first driving piece; 12, a I-shaped support plate; 121, a first placing groove; 122, a second placing groove; 13, a first rotating telescopic abutting rod; 14, a second rotating telescopic abutting rod; 15, a second driving piece; 151, a first rotating rod; 152, a second rotating rod; 16, a plugging block; 17, an abutting plate. DETAILED DESCRIPTION

[0021] In order to further illustrate the technical means and effects adopted by the utility model to achieve the predetermined utility model purposes, the specific embodiments, structures, features and effects according to the utility model are described in detail as follows in combination with the drawings and preferred embodiments.

[0022] Referring to the drawings, Figures 1-4 ​The utility model discloses an embodiment one provides a large -scale building structure joint 2 post -poured band structure, because the concrete layer 1 of structure joint 2 both sides need first to pour, and after pouring, place maintenance for a period of time again to structure joint 2 pours. In order to guarantee the concrete pouring of both sides to not leak slurry to structure joint 2 place and improve the connecting strength between both sides concrete and structure joint 2 concrete and prevent water seepage. Therefore be provided with post -poured band subassembly 3, post -poured band subassembly 3 include the water -stop steel sheet 4 of setting in the middle part of structure joint 2 both sides, and water -stop steel sheet 4 avoids the leakage problem of post -poured band, and water -stop steel sheet 4 is connected through the clamping block of setting in upper and lower two ends with the reinforcing connecting plate 5 to the position of water -stop steel sheet 4 is limited positioning, and guarantee reinforcing connecting plate 5 and the vertical relation of water -stop steel sheet 4. Reinforcing connecting plate 5 is connected with support 6, and support 6 is for reinforcing connecting plate 5 to improve the support force, and reinforcing connecting plate 5 includes recessed rectangular plate 51, and recessed rectangular plate 51 recessed end is towards concrete layer 1, and recessed rectangular plate 51 is equipped with through hole 52, and through hole 52 is connected with the steel bar in subsequent structure joint 2 for concrete layer 1 transverse steel bar to pass through, and the connecting mode is welding or is through the clamping of joint, to improve the overall strength of post -poured band. The adjacent through -going hole 52 is equipped with sharp cone 53, and sharp cone 53 is equipped with a plurality of holes, and the recessed end is connected with the hole. The concrete of concrete layer 1 pouring is connected with recessed rectangular plate 51 fully and fits, and through the setting of reinforcing connecting plate 5, sharp cone 53 replaces the step of scratching and roughening to the side wall of concrete layer 1 before post -poured band pouring, guarantees that post -poured band and concrete layer 1 are well joined. Water -stop steel sheet 4 cooperates with the setting of reinforcing connecting plate 5, sharp cone 53, increases the contact area, prolongs the seepage path, so that post -poured band and concrete layer 1 interface shear crack resistance improves, and seepage is not easy to produce, improves the forming quality.

[0023] Referring to as Figure 2As shown, the support 6 comprises a support base 7, a T-shaped plate 8 is arranged on the support base 7, a plurality of through grooves are arranged on the T-shaped plate 8 in a spaced manner, and a plurality of guide rods 9 are arranged on the middle part of the T-shaped plate 8 in a transverse manner, the guide rods 9 are arranged adjacent to the through grooves, C-shaped plates 10 are arranged at both ends of the guide rods 9, abutting plates 17 are arranged at both ends of the C-shaped plates 10, a pushing piece 11 is arranged between the C-shaped plates 10, the pushing piece 11 comprises V-shaped hinged rods 111 hinged on the C-shaped plates 10, the hinged ends of the V-shaped hinged rods 111 are connected with moving rods 112, the moving rods 112 are connected with a connecting plate 113 in a penetrating manner through the T-shaped plate 8, the connecting plate 113 is connected with a first driving piece 114, the first driving piece 114 is a telescopic hydraulic cylinder or a motor lead screw, the connecting plate 113 drives the moving rods 112 to move up and down, thereby expanding or contracting the V-shaped hinged rods 111, and the abutting plates 17 are pressed against or separated from the reinforcing connecting plate 5, an end surface of the abutting plate 17 facing the pointed cone is provided with a plugging block 16, the plugging block 16 is used for plugging the hole, so as to avoid the leakage of the concrete on both sides through the hole into the structure joint 2, and the support 6 provides a certain support abutting force for the reinforcing connecting plate 5.

[0024] Working mode: before pouring, the post-pouring belt assembly 3 is erected to form a two-side concrete pouring area and a post-pouring belt pouring area, the water-stop steel plate 4 and the reinforcing connecting plate 5 are supported on both sides of the structure joint 2 by the support 6, the water-stop steel plate 4 is generally arranged in the concrete pouring area, after the erection is completed, the concrete on both sides is poured, after the pouring is completed, a period of time is waited, during the waiting period, the support 6 is not removed and continuously supports, after the waiting is completed, the support 6 is retracted, after the retraction, the post-pouring belt reinforcing steel is erected, the transverse reinforcing steel is welded or clamped with the concrete transverse reinforcing steel, the post-pouring belt reinforcing steel erection is completed, pouring is carried out, and maintenance is carried out after the pouring is completed. The support 6 can be used repeatedly and is used in the next post-pouring belt construction.

[0025] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed as above with a preferred embodiment, it is not intended to limit the present application, and any person skilled in the art can make some changes or modifications to the above disclosed technical content to obtain equivalent embodiments with equivalent changes, without departing from the technical solution of the present application. Any modification, equivalent change and modification of the above embodiments according to the technical essence of the present application still belong to the scope of the technical solution of the present application.

Claims

1. A large building structure joint post-pouring belt reinforcing and waterproofing structure, comprising concrete layers (1) with two side edges and post-pouring belt assemblies (3), the concrete layers (1) are left with structure joints (2) between them, the post-pouring belt assemblies (3) are provided with multiple groups according to the length of the structure joints (2) and are located in the structure joints (2), characterized in that: The post-cast strip component (3) comprises a water-stop steel plate (4) arranged at the middle of the two side edges of the structural joint (2), the water-stop steel plate (4) is provided with a reinforcing connecting plate (5) at the upper and lower ends, the reinforcing connecting plate (5) is connected with a support (6), and the support (6) provides support force for the reinforcing connecting plate (5).

2. The reinforcement and waterproofing construction of large building structure joint post-cast strip according to claim 1, characterized in that: The water-stop steel plate (4) is welded with a clamping block corresponding to the reinforcing connecting plate (5), one end of the reinforcing connecting plate (5) is clamped into the clamping block and perpendicular to the clamping block, the reinforcing connecting plate (5) comprises a recessed rectangular plate (51), the recessed end of the recessed rectangular plate (51) faces the concrete layer (1), the recessed rectangular plate (51) is provided with a through hole (52) for the transverse steel bars of the concrete layer (1) to penetrate, a sharp cone protrusion (53) is arranged between adjacent through holes (52), and a plurality of holes are arranged on the sharp cone protrusion (53) and communicate with the recessed end.

3. The post-cast strip reinforcement and waterproofing construction for large building structural joints according to claim 2, characterized in that: The support (6) comprises a support base (7), the support base (7) is provided with a T-shaped plate (8), a plurality of through grooves are arranged on the T-shaped plate (8) at intervals, and a plurality of guide rods (9) are arranged on the middle part of the T-shaped plate (8) in the transverse direction, the guide rods (9) are arranged adjacent to the through grooves, C-shaped plates (10) are arranged at the two ends of the plurality of guide rods (9) correspondingly, abutting plates (17) are arranged at the two ends of the C-shaped plates (10), a pushing piece (11) is arranged between the C-shaped plates (10), and the pushing piece (11) is used for adjusting the position of the C-shaped plates (10) on the guide rods (9) and abutting against the reinforcing connecting plate (5).

4. The reinforcement and waterproofing construction of large building structure joint post-cast strip according to claim 3, characterized in that: The pushing piece (11) comprises a plurality of V-shaped hinged rods (111) hinged to the C-shaped plates (10), the hinged ends of the V-shaped hinged rods (111) are connected with moving rods (112), the moving rods (112) penetrate the T-shaped plate (8) and are commonly connected with a connecting plate (113), the connecting plate (113) is connected with a first driving piece (114), and the expansion or contraction of the V-shaped hinged rods (111) is realized by the upward movement or downward movement of the connecting plate (113) driven by the start of the first driving piece (114).

5. The reinforced and waterproofed construction joint post-cast strip of large building structure according to claim 4, characterized in that: The end face of the abutting plate (17) facing the sharp cone protrusion (53) is provided with a plugging block (16), and the plugging block (16) is used for plugging the hole.

6. The reinforcement and waterproofing construction of large building structure joint post-cast strip according to claim 5, characterized in that: The transverse steel bars of the concrete layer (1) are welded with the steel bars in the post-cast strip structure or are connected with the steel bars in the post-cast strip through joints.

Citation Information

Patent Citations

  • Post-cast strip construction structure

    CN213979359U