Basement bottom plate post-cast strip waterproof structure

By installing water-blocking isolation components and waterproof rubber structures between the post-pouring strip and the pre-pouring slab, the water seepage problem of the post-pouring strip of the basement slab was solved, achieving a stronger waterproof and seepage-proof effect and improving the durability of the structure.

CN223688971UActive Publication Date: 2025-12-19WENZHOU ZHONGCHENG CONSTR GRP CO LTD
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Patent Information

Application Number
CN202423176238.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2025-12-19
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

Water seepage is prone to occur at the post-pouring strip of the basement floor slab, and existing technologies are insufficient to effectively prevent water seepage.

Method used

A water-blocking isolation component is installed between the post-cast strip structure and the pre-cast base plates on both sides, including an upper inclined plate, a lower isolation plate and a water-stop steel plate. Combined with a leak-proof plate, a limiting clamp and a waterproof rubber pad, a multi-layer water-blocking structure is formed to enhance the connection strength and waterproof performance.

Benefits of technology

It effectively prevents water seepage between new and old concrete, strengthens the connection between the post-cast strip and the pre-cast base slab, and improves the durability and waterproof performance of the structure.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a basement bottom plate post-cast strip waterproof structure which comprises a bottom plate body and a bottom waterproof structure arranged below the bottom plate body, the bottom plate body comprises pre-cast bottom plates separated in the middle, and a post-cast strip structure formed by pouring in the later period of an indwelling structure between the pre-cast bottom plates on the two sides. Water retaining separators are arranged at joints between the post-cast strip structure and the pre-cast bottom plates on the two sides, each water retaining separator comprises a concrete groove formed in the bottom waterproof structure, a lower separation plate is fixedly arranged on each concrete groove, and an upper inclined plate obliquely extends to the left of the upper end of each lower separation plate; a left water stop steel plate and a right water stop steel plate are arranged at the end, close to the upper inclined plate, of the lower isolation plate, a plurality of water blocking structures are arranged, foundation water prevention and water blocking isolation pieces are arranged, and the waterproof and anti-seepage performance of the post-cast strip is enhanced; the water retaining separator comprises an upper inclined plate, a lower separating plate and a water stopping steel plate, the upper inclined plate, the lower separating plate and the like are arranged, so that connection between the post-cast strip and the pre-cast bottom plates on the two sides can be enhanced, and the durability of the structure is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a basement bottom plate post-pouring band waterproof structure. BACKGROUND

[0002] The post-pouring band is used for preventing harmful cracks of cast-in-place reinforced concrete structure caused by uneven shrinkage or uneven settlement in building construction, and the post-pouring band temporarily divides the structure into several parts, and after internal shrinkage of the components, the post-pouring band pours and tamps concrete in the construction joint after a period of time, and connects the structure into a whole. The post-pouring band is easy to cause cracks between new and old concrete, and form weak parts, so that the post-pouring band position of the concrete in the basement is easy to cause water seepage. SUMMARY

[0003] In view of the deficiencies in the prior art, the utility model aims to provide a basement bottom plate post-pouring band waterproof structure, which strengthens the waterproof and anti-seepage performance between post-pouring bands and also strengthens the connection between the post-pouring band and the two side pre-poured bottom plates.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme, a basement bottom plate post-pouring band waterproof structure, including bottom plate body and bottom waterproof structure arranged below the bottom plate body, the bottom plate body includes pre-poured bottom plate of middle partition, post-pouring band structure formed by pouring and tamping in the later period in the middle groove of the two side pre-poured bottom plates, characterized by: the joint between the post-pouring band structure and the two side pre-poured bottom plates is provided with a water-blocking isolation piece, the water-blocking isolation piece includes a concrete groove arranged on the bottom waterproof structure, a lower isolation plate is fixedly arranged on the concrete groove, an upper inclined plate is extended to the left inclined square of the upper end of the lower isolation plate, and a left water stop steel plate and a right water stop steel plate are arranged at the end of the lower isolation plate close to the upper inclined plate.

[0005] Further, the upper inclined plate is in a wave shape and is provided with a plurality of penetrating strip-shaped grooves, the side edge of the upper inclined plate is provided with a limiting bayonet and is provided with a leakage-proof plate in a matched mode, the leakage-proof plate is detachably connected with the limiting bayonet, the leakage-proof plate is provided with a plugging strip at the position corresponding to the strip-shaped groove, at least two first inclined adjusting rods are arranged on the end face of the leakage-proof plate facing the post-pouring band structure, and the first inclined adjusting rods are abutted in the abutment grooves of the upper end face of the lower isolation plate.

[0006] Further, the lower isolation plate includes a rectangular frame body, and a plurality of layers of steel wire meshes are arranged in the rectangular frame body, a plurality of clamping grooves are arranged on the upper end of the rectangular frame body, and the second inclined adjusting rods are abutted in a diagonal mode between the plurality of clamping grooves and the concrete grooves on the other side.

[0007] Further, the lower isolation plate is a rectangular plate, and a plurality of through holes are arranged on the rectangular plate, a leakage stop plate is arranged at the through hole, the leakage stop plate is provided with a plugging block at the end face facing the through hole, and a second inclined adjusting rod is hingedly connected to the other end face of the leakage stop plate, and the bottom end of the second inclined adjusting rod abuts against the other concrete groove.

[0008] Further, a plurality of pad strips are arranged between the concrete grooves along the width, and a waterproof rubber pad layer is arranged above the plurality of pad strips, and the waterproof rubber pad layer is bonded to the concrete grooves by waterproof paint.

[0009] Further, the upper inclined plate is provided with a stepped surface on both sides, the abutting plate is slidingly connected to the upper inclined plate, and the abutting plate is in an inverted T shape, a limiting clamping portion is formed through the gap between the abutting plate and the upper inclined plate, and the abutting plate and the stepped surface are connected through a rotating adjusting rod, when the rotating adjusting rod is rotated clockwise, the abutting plate moves upward along the length direction of the rotating adjusting rod, and the limiting clamping portion becomes larger, and when the rotating adjusting rod is rotated counterclockwise, the abutting plate moves downward to realize the abutting of the leakage stop plate.

[0010] Further, the bottom waterproof structure comprises a first concrete pad layer, a plurality of waterproof coiled materials and a second concrete pad layer arranged in sequence from bottom to top.

[0011] Further, the depth of the post-pouring strip structure part is deeper than the pre-pouring bottom plate, and the post-pouring strip structure and the pre-pouring bottom plate are both internally provided with a reinforcing steel bar frame.

[0012] Beneficial effects: By arranging a plurality of water blocking structures, including the arrangement of the foundation waterproofing and the water blocking isolation piece, the waterproofing and anti-leakage performance of the post-pouring strip is strengthened; the water blocking isolation piece comprises an upper inclined plate, a lower isolation plate and a water stop steel plate, and the arrangement of the upper inclined plate, the lower isolation plate and the like can strengthen the connection between the post-pouring strip and the pre-pouring bottom plates on both sides, and improve the durability of the structure. BRIEF DESCRIPTION OF DRAWINGS

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

[0014] Figure 2 It is Figure 1 It is a front view of the reinforcing steel bar frame;

[0015] Figure 3 It is a schematic view of the water blocking isolation piece arrangement;

[0016] Figure 4 It is a schematic view of another water blocking isolation piece arrangement;

[0017] Figure 5 It is a schematic view of the side surface of the leakage stop plate;

[0018] Figure 6 It is a schematic view of the side surface of the leakage stop plate.

[0019] Fig. 1 is a bottom waterproof structure; 2 is a first-pouring bottom plate; 3 is a post-pouring strip; 4 is a water-blocking spacer; 41 is a concrete groove; 42 is a lower spacer plate; 43 is an upper inclined plate; 44 is a left water-stop steel plate; 45 is a right water-stop steel plate; 5 is a strip-shaped groove; 6 is a limiting bayonet; 61 is an abutment plate; 62 is a rotating adjusting rod; 7 is a leakage-proof plate; 8 is a sealing strip; 9 is a first inclined adjusting rod; 10 is a rectangular frame; 11 is a steel mesh; 12 is a second inclined adjusting rod; 13 is a rectangular plate; 14 is a through hole; 15 is a leakage-stopping plate; 151 is a sealing block; 16 is a cushion strip; 17 is a waterproof rubber cushion layer; 18 is a reinforcing steel bar frame. DETAILED DESCRIPTION

[0020] In order to further illustrate the technical means and effects adopted by the basement bottom plate post-pouring strip waterproof structure to achieve the predetermined utility model purposes, the specific embodiments, structures, features and effects thereof according to the basement bottom plate post-pouring strip waterproof structure are described in detail as follows in combination with the drawings and preferred embodiments.

[0021] As shown in Figures 1-6 , the basement bottom plate post-pouring strip waterproof structure provided by the present application comprises a bottom waterproof structure 1, the bottom waterproof structure 1 comprises a first concrete cushion layer, a plurality of waterproof coiled materials and a second concrete cushion layer arranged in sequence from bottom to top, the waterproof coiled material is a commonly used waterproof material in the field of building, a bottom plate body is arranged above the second concrete cushion layer, the bottom plate body comprises a first-pouring bottom plate 2 with a middle partition, a post-pouring strip 3 structure formed by pouring a groove in the middle of the first-pouring bottom plate 2 on both sides, the depth of the post-pouring strip 3 structure is deeper than that of the first-pouring bottom plate 2, forming a concave groove structure, prolonging the leakage path to inhibit leakage, and thickening the post-pouring strip 3 to reinforce the self-strength of the post-pouring strip 3. A water-blocking spacer 4 is arranged at the joint between the post-pouring strip 3 structure and the first-pouring bottom plate 2 on both sides, the water-blocking spacer 4 is used for waterproofing at the joint, and also serves as a support formwork for the side edge of the first-pouring bottom plate 2 during pouring, so as to avoid that the mud flows into the middle groove.

[0022] Specifically, the water-blocking partition 4 comprises a concrete groove 41 arranged on the second layer of concrete cushion, a lower partition plate 42 fixed on the concrete groove 41, an upper inclined plate 43 extending leftward and obliquely on the upper end of the lower partition plate 42, a left water-stop steel plate 44 and a right water-stop steel plate 45 arranged on one end of the lower partition plate 42 close to the upper inclined plate 43, and a bending part arranged on the end of the water-stop steel plate away from the lower partition plate 42, wherein the bending part is bent by 130° to guide the underground water to penetrate to the position at a high level and then spread downward. The upper inclined plate 43 is in a wave shape to form a wave-shaped joint seam, thereby prolonging the seepage path. The upper inclined plate 43 is provided with a plurality of penetrating strip-shaped grooves 5, the strip-shaped grooves 5 are arranged to connect the concrete of the early-poured bottom plate 2 and the late-poured strip 3 structure closely, and the side edge of the upper inclined plate 43 is provided with a limiting buckle 6 and is matched with a leakage-proof plate 7. The leakage-proof plate 7 is used to prevent leakage for the upper inclined plate 43 when pouring the early-poured bottom plate 2. The limiting buckle 6 is the gap between an abutting plate 61 and the upper inclined plate 43, the side wall of the abutting plate 61 is slidably connected with the upper inclined plate 43, and the abutting plate 61 is in an inverted T shape. The two side edges of the upper inclined plate 43 are both provided with a stepped surface, the abutting plate 61 and the stepped surface are connected through a rotating adjusting rod 62, the rotating adjusting rod 62 is a screw rod, the screw rod is rotationally connected with the stepped surface, when the rotating adjusting rod 62 is rotated clockwise, the abutting plate 61 moves upward along the length direction of the rotating adjusting rod 62, the limiting buckle 6 becomes larger, and the leakage-proof plate 7 is convenient to take out; when the rotating adjusting rod 62 is rotated counterclockwise, the abutting plate 61 moves downward, the limiting buckle 6 becomes smaller, and the leakage-proof plate 7 is abutted tightly. The end face of the leakage-proof plate 7 towards the upper inclined plate 43 is also in a wave shape and is provided with a blocking strip 8 corresponding to the strip-shaped groove 5. The blocking strip 8 is an elastic strip and is in a zigzag shape, so as to be closely connected with the early-poured bottom plate 2 on the left and right sides when pouring the late-poured strip 3 structure.

[0023] When pouring the early-poured bottom plate 2, at least two first inclined adjusting rods 9 are arranged on the end face towards the late-poured strip 3 structure to enhance the abutting force in the middle of the leakage-proof plate 7, the first inclined adjusting rods 9 are abutted on the abutting grooves on the upper end face of the upper partition plate to form a triangular structure. The first inclined adjusting rods 9 are adjustable in length and can be adjusted through threads or positioning pins (belonging to the prior art, which will not be described here).

[0024] Referring to FIG. 1, Figure 3 the lower partition plate 42 comprises a rectangular frame body 10 and a plurality of layers of steel wire meshes 11 arranged in the rectangular frame body 10. The upper end of the rectangular frame body 10 is provided with a plurality of clamping grooves, and the clamping grooves and the concrete groove 41 on the other side are both obliquely abutted with the second inclined adjusting rods 12 to form a supporting force and prevent deviation. Figure 4As shown, the application also provides another isolation plate structure, which is a rectangular plate 13 and the rectangular plate 13 is provided with a plurality of through holes 14 and a plurality of sharp taper portions on the end face facing the first pouring bottom plate 2, so as to strengthen the connection between the first pouring bottom plate 2 and the lower isolation plate 42. The through hole 14 is provided with a leaking stop plate 15, the leaking stop plate 15 is provided with a blocking block 151 on the end face facing the through hole 14 and corresponding to the through hole 14, the blocking block 151 is a cone, and the other end face of the leaking stop plate 15 is hingedly connected with a second inclined adjusting rod 12, the bottom end of the second inclined adjusting rod 12 abuts on the other concrete groove 41, and the structure of the second inclined adjusting rod 12 is the same as that of the first inclined adjusting rod 9.

[0025] As shown in FIG. Figure 2 As shown, the waterproofness of the post-pouring band 3 bottom is enhanced, and the upward seepage of the seepage water is prevented. A plurality of pad strips 16 are distributed along the width interval between the concrete grooves 41, and a waterproof rubber pad layer 17 is commonly laid above the plurality of pad strips 16, and the waterproof rubber pad layer 17 is bonded with the concrete grooves 41 through waterproof paint. The waterproof rubber pad layer 17 is in a wave shape, and a certain space is formed between the waterproof rubber pad layer 17 and the bottom, so that the settlement difference can be offset by the self-deformation of the waterproof rubber pad layer 17 during the pouring of the concrete.

[0026] As shown in FIG. Figure 3 , Figure 4 As shown, the post-pouring band 3 structure and the first pouring bottom plate 2 are both provided with a reinforcing bar frame 18, and when the post-pouring band 3 is poured, the second inclined adjusting rod 12, the leaking stop plate 15 and the waterproof plate 7 are all removed, and the reinforcing bar frame 18 is erected.

[0027] 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, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above disclosed technical content without departing from the technical solution of the present application, and any equivalent embodiments with equivalent changes are equivalent to the above embodiments. Any modification, change, equivalent change and modification of the above embodiments according to the technical essence of the present application are still within the scope of the technical solution of the present application.

Claims

1. A waterproof structure of a post-cast strip of a basement floor slab, comprising a floor slab body and a bottom waterproof structure (1) arranged below the floor slab body, the floor slab body comprising a pre-cast floor slab (2) with a middle partition, a post-cast strip (3) structure formed by a later pouring of a groove left in the middle of two side pre-cast floor slabs (2), characterized in that: The joint between the post-pouring strip (3) structure and the two side pre-pouring bottom plates (2) is provided with a water-blocking separator (4), the water-blocking separator (4) comprises a concrete groove (41) arranged on the bottom waterproof structure (1), a lower separator plate (42) is fixedly arranged on the concrete groove (41), an upper inclined plate (43) is arranged on the left end of the upper end of the lower separator plate (42), and a left water stop steel plate (44) and a right water stop steel plate (45) are arranged on the end of the lower separator plate (42) close to the upper inclined plate (43).

2. The basement floor post-cast strip waterproofing construction according to claim 1, characterized in that: The upper inclined plate (43) is in a wave shape and is provided with a plurality of strip-shaped grooves (5) penetrating through, the side edges of the upper inclined plate (43) are provided with limiting sockets (6) and are provided with matching leakage-proof plates (7), the leakage-proof plates (7) are detachably connected with the limiting sockets (6), the leakage-proof plates (7) are provided with blocking strips (8) at positions corresponding to the strip-shaped grooves (5), and the end face of the leakage-proof plates (7) towards the post-pouring strip (3) structure is provided with at least two first inclined adjusting rods (9) abutting in the abutting grooves on the upper end face of the lower separator plate (42).

3. The waterproof construction of the basement floor post-cast strip according to claim 2, characterized in that: The lower separator plate (42) comprises a rectangular frame body (10) and is provided with a plurality of layers of steel wire meshes (11) in the rectangular frame body (10), a plurality of clamping grooves are arranged on the upper end of the rectangular frame body (10), and the plurality of clamping grooves and the concrete groove (41) on the other side are all inclinedly abutted with second inclined adjusting rods (12).

4. The waterproof construction of the post-cast strip of basement floor according to claim 2, characterized in that: The lower separator plate (42) is a rectangular plate (13) and is provided with a plurality of through holes (14) on the rectangular plate (13), the through holes (14) are provided with leakage stopping plates (15), the leakage stopping plates (15) are provided with blocking blocks (151) at the end face towards the through holes (14) and corresponding to the through holes (14), and the leakage stopping plates (15) are hingedly connected with the second inclined adjusting rods (12) at the other end face, and the bottom ends of the second inclined adjusting rods (12) abut on the other concrete grooves (41).

5. The waterproof construction of the post-cast strip of basement floor according to claim 3 or 4, characterized in that: A plurality of pad strips (16) are distributed at intervals along the width between the concrete grooves (41), and a waterproof rubber pad layer (17) is commonly arranged above the plurality of pad strips (16), and the waterproof rubber pad layer (17) is bonded with the concrete grooves (41) through waterproof paint.

6. The basement floor post-cast strip waterproofing construction according to claim 5, characterized in that: Further comprising an abutting plate (61), both side edges of the upper inclined plate (43) are provided with stepped faces, the side wall of the abutting plate (61) is slidably connected with the upper inclined plate (43) and the abutting plate (61) is in an inverted T shape, the limiting socket (6) is formed through the gap between the abutting plate (61) and the upper inclined plate (43), the abutting plate (61) and the stepped face are connected through a rotating adjusting rod (62), when the rotating adjusting rod (62) is rotated clockwise, the abutting plate (61) moves upward along the length direction of the rotating adjusting rod (62) to make the limiting socket (6) larger, and when the rotating adjusting rod (62) is rotated counterclockwise, the abutting plate (61) moves downward to realize the abutting of the leakage-proof plate (7).

7. The basement slab post-cast band waterproofing construction according to claim 6, characterized in that: The bottom waterproof structure (1) comprises a first concrete pad layer, a plurality of waterproof coiled materials and a second concrete pad layer arranged in sequence from bottom to top.

8. The basement slab post-cast band waterproofing construction according to claim 7, characterized in that: The depth of the post-pouring strip (3) structure part is deeper than the pre-pouring bottom plate (2), and the post-pouring strip (3) structure and the pre-pouring bottom plate (2) are both internally provided with a steel reinforcement frame (18).