A water stop mechanism for underground continuous wall joints
By combining prefabricated water-stop frames and water-absorbing components, the problem of water seepage at the joints of diaphragm walls was solved, achieving the effects of simplified construction and improved efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- ZHEJIANG UNIV CITY COLLEGE
- Filing Date
- 2023-05-04
- Publication Date
- 2026-04-10
AI Technical Summary
During the construction of existing diaphragm walls, water seepage channels are easily formed at the concrete joints. Traditional water-stopping structures are complex, resulting in high construction difficulty and low efficiency.
A prefabricated water-stop frame is used, and water-absorbing components and squeezing mechanisms are employed to extract water from the joints through adsorption and squeezing. Combined with the evaporation of residual moisture by quicklime boards, the frame is fixed to the continuous wall using clamping connectors.
It simplified the construction process, improved construction efficiency, reduced the risk of water leakage, simplified the construction difficulty, and enhanced construction efficiency.
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Figure CN116479946B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of building construction, in particular to a water stop mechanism for underground continuous wall joints. BACKGROUND
[0002] The underground continuous wall is a foundation engineering on the ground using a kind of trenching machinery, along the axis of deep excavation engineering, under the condition of slurry support, a long and narrow deep trench is excavated, after cleaning the trench, the reinforcement cage is hoisted in the trench, then the guide pipe method is used to fill the underwater concrete to form a unit trench section, so the section is carried out, a continuous reinforced concrete wall is built underground, as water interception, anti-seepage, load-bearing, water retaining structure.
[0003] In the prior art, the concrete joint of the underground continuous wall is a weak link in the construction process, and the conventional I-shaped steel joint type is easy to form a water seepage channel at the contact surface of the section steel and the concrete, causing water leakage at the joint after the foundation pit is excavated, which forms a great safety hazard, in addition, the traditional underground continuous wall joint water stop structure is complex in structure, cannot be prefabricated in advance, is not convenient for construction and installation, leads to great construction difficulty, and seriously affects the construction efficiency, prolongs the construction period. SUMMARY
[0004] The purpose of the present application is to provide a water stop mechanism for underground continuous wall joints to solve the problems raised in the background.
[0005] To achieve the above purpose, the present application provides the following technical scheme: a water stop mechanism for underground continuous wall joints, comprising a water stop frame, a buckle groove is formed on both sides of the water stop frame, the water stop frame is clamped between two groups of underground continuous walls, a water absorption assembly is installed inside the water stop frame, a water squeezing mechanism is additionally installed inside the water absorption assembly, a clamping connecting piece is arranged on the surface of the buckle groove for fixing the water stop frame on the underground continuous wall.
[0006] Preferably, the buckle groove is a square groove, an embedding groove is formed on the surface of the buckle groove, a quicklime plate is fixed inside the embedding groove, the thickness of the quicklime plate is less than the depth of the embedding groove, the height of the embedding groove, the height of the quicklime plate and the height of the buckle groove are equal to the height of the water stop frame.
[0007] Preferably, the water absorption assembly comprises a mounting groove, a partition plate, a sponge adsorption plate, a mounting port one and a water absorption cotton plate, the mounting groove is formed on the top surface of the water stop frame, the height of the mounting groove is less than the height of the water stop frame, the partition plate is fixed on the inner wall of the mounting groove, the partition plate divides the internal space of the mounting groove, the sponge adsorption plate is fixed on the inner wall of the mounting groove, the sponge adsorption plate is provided with two groups, the two groups of sponge adsorption plates are symmetrically distributed about the partition plate, and a gap is left between the sponge adsorption plate and the partition plate, and the water squeezing mechanism is in the gap.
[0008] Preferably, the installation port one is arranged on the surface of the buckle groove, the installation port one is communicated with the installation groove, the water absorption cotton plate is fixed in the installation port one, and one end of the water absorption cotton plate is fixed on the surface of the sponge adsorption plate.
[0009] Preferably, the water squeezing mechanism comprises a moving net frame, a through hole and drainage ports, the moving net frame is in a 'Fang' shaped plate structure, the moving net frame is movably connected between the sponge adsorption plate and the partition plate, the through hole penetrates the top surface of the partition plate and the bottom surface of the partition plate, the two groups of drainage ports are arranged on the bottom surface of the partition plate, the two groups of drainage ports are symmetrical about the partition plate, and the drainage ports are communicated with the through hole.
[0010] Preferably, the clamping connecting piece comprises an installation port two, a fixed clamping block, a clamping strip, a through port, an elastic metal sheet, a push plate and a butt joint groove, the butt joint groove is arranged on the top surface of the water stop frame, the butt joint groove is arranged in two groups and is symmetrically distributed about the buckle groove, each group of butt joint grooves is provided with two groups of butt joint grooves, the two groups of butt joint grooves correspond to the two buckle grooves respectively, and the push plate is movably inserted in the butt joint groove.
[0011] Preferably, the installation port two is arranged on the surface of the butt joint groove, the installation port two is communicated with the butt joint groove and the buckle groove, the fixed clamping block is movably inserted in the installation port two, an inclined surface is arranged on the top surface of the end of the fixed clamping block inserted into the installation port two, and the other end of the fixed clamping block is fixed with a plurality of clamping strips.
[0012] Preferably, the through port is arranged on the surface of the fixed clamping block, the elastic metal sheet penetrates the through port, and the two ends of the elastic metal sheet are fixed on the two parallel distributed side walls of the installation port two respectively.
[0013] Compared with the prior art, the water stop mechanism for the underground continuous wall joint has the following beneficial effects:
[0014] The water stop mechanism for the underground continuous wall joint is a prefabricated structure, the water stop frame is inserted between two segments of underground continuous walls, after the water absorption assembly adsorbs the accumulated water between the two segments of underground continuous walls, the squeezed water is pumped out through the water squeezing mechanism, so that the operation is simple and convenient, and the adoption of the prefabricated structure is favorable for improving the on-site construction efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a structural schematic diagram of the present application;
[0016] Figure 2 It is a structural half-section schematic diagram of the present application;
[0017] Figure 3 It is Figure 2 It is an enlarged schematic diagram of the structure at A in the middle;
[0018] Figure 4 It is a schematic diagram of the top structure of the present application after being cut open;
[0019] Figure 5For Figure 4 Structure enlarged schematic view at B in the middle;
[0020] Figure 6 For the fixed clamping block structure schematic diagram of the application;
[0021] Figure 7 For the fixed clamping block structure schematic diagram of the application;
[0022] In the figure: water stop frame 1, buckle groove 2, installation groove 3, partition 4, movable net rack 5, sponge adsorption plate 6, through hole 7, drainage port 8, installation port one 9, water absorption cotton plate 10, embedded groove 11, quicklime plate 12, installation port two 13, fixed clamping block 14, clamping strip 15, through port 16, elastic metal sheet 17, push plate 18, butt joint groove 19. DETAILED DESCRIPTION
[0023] In order to make the purpose, technical scheme of the application clear, complete description, and the advantages are more clear and obvious, the following will be further described in detail with the embodiments of the application. It should be understood that the specific embodiments described here are part of the embodiments of the application, not all the embodiments, only to explain the embodiments of the application, and not for the purpose of limiting the embodiments of the application, all other embodiments obtained by the ordinary skill in the art without creative labor are within the scope of protection of the application. Embodiment one
[0024] Please refer to Figures 1 to 2 , the application provides a kind of technical scheme: a kind of water stop mechanism for underground continuous wall joint, including water stop frame 1, the both sides of water stop frame 1 are all set with buckle groove 2, water stop frame 1 is clamped between two groups of underground continuous wall, the inside of water stop frame 1 is equipped with water absorption component, water absorption component is additionally equipped with water squeezing mechanism, the surface of buckle groove 2 is equipped with clamping connecting piece, for fixing water stop frame 1 on underground continuous wall;Water stop frame 1 is inserted between two underground continuous walls, after water absorption component adsorbs the water between two underground continuous walls, by squeezing water absorption component after water squeezing mechanism, the squeezed water can be pumped out, it is simple and convenient to operate, and the adoption of prefabricated structure is beneficial to improve the efficiency of site construction. Embodiment two
[0025] Refer to the attached Figure 7 , on the basis of embodiment one, in order to realize the water source adsorbed after water stop frame 1 installation, buckle groove 2 is square groove, buckle groove 2 is equipped with embedded groove 11 on the surface, quicklime plate 12 is fixed in the inside of embedded groove 11, the thickness of quicklime plate 12 is less than the depth of embedded groove 11, the height of embedded groove 11, the height of quicklime plate 12, the height of buckle groove 2 are equal to the height of water stop frame 1;
[0026] After the water stop frame 1 is installed between the two groups of underground continuous walls, the accumulated water soaks the quicklime plate 12, the quicklime plate 12 is cured and heated, and the surrounding accumulated water is evaporated. Example three
[0027] Refer to the attached drawings Figures 3 to 5 On the basis of example two, in order to realize water source adsorption and pumping on both sides of the water stop frame 1, the water absorption assembly includes the installation groove 3, the partition plate 4, the sponge adsorption plate 6, the installation port one 9 and the water absorption cotton plate 10, the installation groove 3 is opened in the top surface of the water stop frame 1, the height of the installation groove 3 is less than the height of the water stop frame 1, the partition plate 4 is fixed on the inner wall of the installation groove 3, the partition plate 4 divides the internal space of the installation groove 3, the sponge adsorption plate 6 is fixed on the inner wall of the installation groove 3, the sponge adsorption plate 6 is provided with two groups, the two groups of sponge adsorption plates 6 are symmetrically distributed about the partition plate 4, and a gap is left between the sponge adsorption plate 6 and the partition plate 4, the water squeezing mechanism is in the gap, the installation port one 9 is opened on the surface of the buckle groove 2, the installation port one 9 is communicated with the installation groove 3, the water absorption cotton plate 10 is fixed in the installation port one 9, and one end of the water absorption cotton plate 10 is fixed on the surface of the sponge adsorption plate 6; the water squeezing mechanism includes the moving net frame 5, the through hole 7 and the drainage port 8, the moving net frame 5 is in a “” character-shaped plate structure, the moving net frame 5 is movably connected between the sponge adsorption plate 6 and the partition plate 4, the through hole 7 penetrates the top surface of the partition plate 4 and the bottom surface of the partition plate 4, the drainage port 8 is provided with two groups, the two groups of drainage ports 8 are both opened on the bottom surface of the partition plate 4, and the two groups of drainage ports 8 are symmetric about the partition plate 4, the drainage port 8 is communicated with the through hole 7;
[0028] The accumulated water absorbed by the water absorption cotton plate 10 is transferred to the sponge adsorption plate 6, after the moving net frame 5 is actuated to squeeze the sponge adsorption plate 6, the water absorbed by the sponge adsorption plate 6 is squeezed out, the water source enters the through hole 7 through the drainage port 8, and the water suction pipe of the pump body is inserted into the through hole 7 to pump and collect the accumulated water. Example four
[0029] Refer to the attached drawings Figure 6On the basis of embodiment three, in order to realize the connection of the water stop frame 1 on two groups of underground continuous walls, the clamping connecting piece comprises the second installation port 13, the fixed clamping block 14, the clamping strip 15, the through port 16, the elastic metal sheet 17, the push plate 18 and the butt joint groove 19. The butt joint groove 19 is arranged on the top surface of the water stop frame 1. The butt joint groove 19 is provided with two groups. The two groups of butt joint grooves 19 are symmetrically distributed about the buckle groove 2. Each group of butt joint grooves 19 is provided with two groups of butt joint grooves 19. The two groups of butt joint grooves 19 correspond to two buckle grooves 2 respectively. The push plate 18 is movably inserted into the butt joint groove 19. The second installation port 13 is arranged on the surface of the butt joint groove 19. The second installation port 13 is communicated with the butt joint groove 19 and the buckle groove 2. The fixed clamping block 14 is movably inserted into the second installation port 13. The end of the fixed clamping block 14 inserted into the second installation port 13 is provided with an inclined surface on the top surface. The other end of the fixed clamping block 14 is fixed with a plurality of clamping strips 15. The through port 16 is arranged on the surface of the fixed clamping block 14. The elastic metal sheet 17 penetrates through the through port 16. The two ends of the elastic metal sheet 17 are fixed on the two parallel side walls of the second installation port 13 respectively.
[0030] The push plate 18 is inserted into the butt joint groove 19. The push plate 18 extrudes the fixed clamping block 14 along the inclined surface. The fixed clamping block 14 bends the elastic metal sheet 17. The fixed clamping block 14 clamps the clamping strip 15 on the surface of the underground continuous wall. Thus, the water stop frame 1 is fixed on the underground continuous wall.
[0031] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application. The scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A water stop mechanism for underground continuous wall joints, comprising a water stop frame (1), a buckle groove (2) is formed on both sides of the water stop frame (1), the water stop frame (1) is clamped between two groups of underground continuous walls, characterized in that: An absorbent component is installed inside the water stop frame (1), and a water squeezing mechanism is additionally installed inside the absorbent component. A clamping connecting piece is provided on the surface of the clamping groove (2) for fixing the water stop frame (1) on the diaphragm wall; The absorbent component includes an installation groove (3), a partition board (4), a sponge adsorption board (6), a first installation opening (9), and a water absorbent cotton board (10). The installation groove (3) is opened on the top surface of the water stop frame (1), and the height of the installation groove (3) is less than the height of the water stop frame (1). The partition board (4) is fixed on the inner wall of the installation groove (3), and the partition board (4) bisects the internal space of the installation groove (3). The sponge adsorption board (6) is fixed on the inner wall of the installation groove (3). There are two groups of sponge adsorption boards (6), and the two groups of sponge adsorption boards (6) are symmetrically distributed with respect to the partition board (4), and there is a gap between the sponge adsorption board (6) and the partition board (4). The water squeezing mechanism is located in the gap. The water squeezing mechanism includes a movable wire frame (5), through holes (7), and drainage openings (8). The movable wire frame (5) is in a "C" - shaped plate structure. The movable wire frame (5) is movably connected between the sponge adsorption board (6) and the partition board (4). The through holes (7) penetrate through the top surface and the bottom surface of the partition board (4). There are two groups of drainage openings (8), and the two groups of drainage openings (8) are both opened on the bottom surface of the partition board (4), and the two groups of drainage openings (8) are symmetric with respect to the partition board (4). The drainage openings (8) are connected to the through holes (7).
2. A waterstop for a joint in a diaphragm wall according to claim 1, characterised in that: The clamping groove (2) is a square groove. An embedding groove (11) is opened on the surface of the clamping groove (2). A quicklime board (12) is fixed inside the embedding groove (11). The thickness of the quicklime board (12) is less than the depth of the embedding groove (11). The height of the embedding groove (11), the height of the quicklime board (12), and the height of the clamping groove (2) are all equal to the height of the water stop frame (1).
3. A waterstop for a joint in a diaphragm wall according to claim 1, characterised in that: The first installation opening (9) is opened on the surface of the clamping groove (2), and the first installation opening (9) is connected to the installation groove (3). The water absorbent cotton board (10) is fixed in the first installation opening (9), and one end of the water absorbent cotton board (10) is fixed on the surface of the sponge adsorption board (6).
4. A waterstop for a joint in a diaphragm wall according to claim 1, characterised in that: The clamping connecting piece includes a second installation opening (13), a fixed clamping block (14), clamping strips (15), a through opening (16), an elastic metal sheet (17), a push plate (18), and a docking groove (19). The docking groove (19) is opened on the top surface of the water stop frame (1). There are two groups of docking grooves (19), and the two groups of docking grooves (19) are symmetrically distributed with respect to the clamping groove (2). Each group of docking grooves (19) has two, and the two groups of docking grooves (19) respectively correspond to two clamping grooves (2). The push plate (18) is movably inserted into the docking groove (19).
5. A waterstop for a joint in a diaphragm wall according to claim 4, wherein: The second installation opening (13) is opened on the surface of the docking groove (19), and the second installation opening (13) connects the docking groove (19) and the clamping groove (2). The fixed clamping block (14) is movably inserted into the second installation opening (13). A slope is provided on the top surface of the end of the fixed clamping block (14) extending into the interior of the second installation opening (13). Multiple clamping strips (15) are fixed at the other end of the fixed clamping block (14).
6. A waterstop for a joint in a diaphragm wall according to claim 4, characterised in that: The through hole (16) is arranged on the surface of the fixed clamping block (14), and the elastic metal sheet (17) penetrates the through hole (16), and two ends of the elastic metal sheet (17) are fixed on the two parallel distributed side walls of the mounting hole two (13) respectively.
Citation Information
Patent Citations
Waterproof structure of continuous wall circumferential construction joint
CN209066505U
Roof inducing joint and drainage channel waterproof structure thereof
CN209082580U