Anti-seepage basement bottom plate post-cast strip structure

By using screw and nut prestressed structure and reinforcing mesh connection in the basement floor post-cast zone, the problem of cracks caused by temperature changes was solved and better waterproofing effect was achieved.

CN223446228UActive Publication Date: 2025-10-17东营职业学院
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Patent Information

Application Number
CN202422231341.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-12
Publication Date
2025-10-17
Estimated Expiration
2034-09-12

AI Technical Summary

Technical Problem

When the temperature of the existing basement floor changes, the deformation of the post-cast strip is constrained, which easily causes temperature cracks and affects the waterproof performance.

Method used

Prestress is applied by a combination of screws and nuts, and the first and second reinforcement meshes are connected through connectors to form a prestressed structure, thereby enhancing the integrity and continuity of the concrete and limiting the expansion of cracks.

Benefits of technology

Prestressing can dissipate deformation energy, reduce deformation of the structure when it is subjected to stress, improve overall stiffness, avoid cracks caused by tension, and enhance waterproofness.

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Abstract

The utility model discloses an anti-seepage basement bottom plate post-cast strip structure, and relates to the technical field of building construction, the anti-seepage basement bottom plate post-cast strip structure comprises a structure main body, a screw rod, a first reinforcing net and a connecting piece, the whole structure main body is a concrete pouring structure, the screw rod is arranged in the structure main body, and nuts are arranged at the two ends of the screw rod; a bottom plate is arranged at the bottom of the structure main body, after the structure main body is poured and shaped, nuts at the two ends of a screw rod are rotated, then the screw rod in the structure main body can apply preset pressure stress, an internal post-cast strip is poured, and after the post-cast strip is formed to reach certain strength, the nuts are rotated to loosen the screw rod, so that concrete forms prestress; through the prestress, the part of the prestress can be firstly consumed when the structure bears a load, and after the prestress is applied, the deformation of the structure after being stressed can be reduced, so that the overall rigidity is improved, and cracks caused by pulling force can be avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to building construction technical field, concretely is a basement bottom plate post-pouring band structure of anti -infiltration of water. BACKGROUND

[0002] Post-pouring band is the temporary joint that is set in building construction to prevent cracks, it allows structure to shrink freely within a certain time, and then fills to form complete component, through the search, the patent of Chinese patent announcement No. CN220847714U discloses a basement bottom plate post-pouring band structure of anti -infiltration of water, although the structure is fixedly installed with waterproof board on the top of concrete layer, the external moisture can be further prevented through the waterproof board and penetrates into the basement through the base layer, but since the hole groove reserved by the structure is poured in secondary, due to the thermal expansion and cold shrinkage characteristics of concrete, when the external environment or the internal temperature of structure changes, if the deformation is constrained, temperature cracks can be generated, these cracks can expand or contract with temperature changes, when the cracks appear, the waterproof property of post-pouring band is affected. SUMMARY

[0003] In view of the defects of the prior art, the basement bottom plate post-pouring band structure of anti -infiltration of water provided by the utility model solves the problem that the existing post-pouring band generates temperature cracks when the external environment or the internal temperature of structure changes.

[0004] To achieve the above object, the utility model is realized by the following technical scheme: a basement bottom plate post-pouring band structure of anti -infiltration of water, including structure main part, screw rod, first reinforcing net and connecting piece, the structure main part is integrally of concrete pouring structure, and the structure main part is internally provided with screw rod, the screw rod is provided with nut at both ends, the bottom plate is provided at the bottom of the structure main part, the bottom plate is connected with the structure main part through integral pouring, the second reinforcing net is provided in the structure main part, the second reinforcing net is provided with the first reinforcing net, the first reinforcing net is located in the top layer, and the top layer is covered with waterproof membrane.

[0005] Preferably, the structure main part is reserved with hole groove at both ends, and the hole groove is inserted with screw rod, the screw rod is provided with a plurality of, and the plurality of screw rods are distributed in equal interval state between each other, by rotating the nut at both ends of the screw rod, the screw rod in the structure main part can exert a preset compressive stress, and then the post-pouring band in the pouring interior is poured, after the post-pouring band is formed to a certain strength, the nut is rotated to loosen the screw rod, and the concrete post-pouring band forms prestress.

[0006] Preferably, the middle outer wall of the screw rod is welded with a limit ring, and the limit ring is distributed in linear equal interval regularity, and the limit ring is beneficial to improve the connecting force of the screw rod and the interior of the post-pouring band, and is beneficial to avoid the slip of the screw rod in the interior of the post-pouring band.

[0007] Preferably, the middle part of the structure body is hollow and provided with a secondary pouring cavity, and the second reinforcing net inside the structure body is made of a longitudinal and transverse interlaced steel wire woven structure, and the second reinforcing net and the first reinforcing net are connected, so that the integrity and continuity of the concrete structure are enhanced.

[0008] Preferably, the surface holes and grooves of the first reinforcing net are aligned with the surface holes and grooves of the second reinforcing net, and the first reinforcing net and the second reinforcing net are internally inserted with connecting pieces, so that the connecting pieces are beneficial to avoid the sliding phenomenon between the second reinforcing net and the first reinforcing net.

[0009] Preferably, the top end of the connecting piece is provided with an open recess, and the outer wall of the top end of the connecting piece is in a threaded structure, and the top end of the connecting piece is threadedly connected with the sleeve ring, so that the sleeve ring is connected with the connecting piece by inserting the connecting piece into the second reinforcing net and the first reinforcing net, and the second reinforcing net and the first reinforcing net are quickly connected.

[0010] The basement bottom plate post-pouring belt structure of the utility model has the following beneficial effects:

[0011] (1) The basement bottom plate post-pouring belt structure of the utility model can exert a preset compressive stress on the screw rod inside the structure body by rotating the nuts at both ends of the screw rod after the structure body is completed and shaped, and then pour the post-pouring belt inside, and after the post-pouring belt is formed to a certain strength, the nuts are rotated to loosen the screw rod, so that the concrete forms a prestress, and the prestress can be consumed first when the structure bears the load, and the deformation of the structure after the prestress is applied will be reduced, so the overall stiffness is improved, thereby avoiding the cracks caused by tension.

[0012] (2) The basement bottom plate post-pouring belt structure of the utility model is provided with a second reinforcing net in the cavity inside the structure body, and the second reinforcing net is connected with the first reinforcing net through the connecting piece, and the second reinforcing net is left inside the post-pouring belt after the post-pouring belt is poured, so that the integrity and continuity of the concrete structure are enhanced by connecting the second reinforcing net with the first reinforcing net, the stress is more evenly distributed when the structure is under stress, the expansion of the concrete cracks is limited by fixing the second reinforcing net and the first reinforcing net, the risk of crack development is reduced by the reinforcement provided on both sides of the cracks, and the connecting piece is beneficial to avoid the sliding phenomenon between the second reinforcing net and the first reinforcing net.

[0013] Thus, the problem that the existing post-pouring belt will produce temperature cracks when the external environment or the internal temperature of the structure changes and the deformation is constrained is solved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a schematic diagram of the overall structure of the present application;

[0015] Figure 2 is a schematic diagram of the top layer structure of the present application;

[0016] Figure 3 is a schematic diagram of the internal structure of the present application;

[0017] Figure 4 is a schematic diagram of the first reinforcing net structure of the present application;

[0018] Figure 5 is a schematic diagram of the connecting piece structure of the present application.

[0019] In the figure, 1, structure main body; 2, screw rod; 3, nut; 4, bottom plate; 5, top layer; 6, waterproof film; 7, first reinforcing net; 8, second reinforcing net; 9, connecting piece; 10, sleeve ring; 11, limiting ring. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] Embodiment 1:

[0022] Please refer to Figures 1-5The utility model discloses an anti -infiltration basement bottom plate post -poured band structure, an anti -infiltration basement bottom plate post -poured band structure, including structure main body 1, screw rod 2, first reinforcing net 7 and connecting piece 9, structure main body 1 is the whole concrete pouring structure, and structure main body 1 inside is provided with screw rod 2, and the both ends of screw rod 2 are provided with nut 3, and structure main body 1 bottom is provided with bottom plate 4, and bottom plate 4 is connected with structure main body 1 through integral pouring, and structure main body 1 inside is provided with second reinforcing net 8, and second reinforcing net 8 is provided with first reinforcing net 7, and first reinforcing net 7 is located inside top layer 5, and the upper surface of top layer 5 is covered with waterproof membrane 6, and structure main body 1 both ends are reserved with hole groove, and hole groove inside is inserted with screw rod 2, and screw rod 2 is provided with a plurality of, and a plurality of screw rod 2 is distributed between each other and is equal interval, and the middle outer wall of screw rod 2 is welded with limit ring 11, and limit ring 11 is distributed and is equal interval regularity, when structure main body 1 pouring is completed and is shaped, by rotating the nut 3 of screw rod 2 both ends, and then make the screw rod 2 in the inside of structure main body 1 can exert a preset compression stress, and then pour the inside post -poured band, after the post -poured band is formed and reaches certain intensity, rotate nut 3 and loosen screw rod 2, make concrete form prestress, through prestress, can first consume this part of prestress when structure bears load, after exerting prestress, the deformation of structure after stress will reduce, therefore overall rigidity improves, thereby be favorable to avoiding the crack emergence caused by tension.

[0023] Example 2:

[0024] The middle part of the structure main body 1 is hollow and provided with a secondary pouring cavity, the second reinforcing net 8 in the structure main body 1 is made of a longitudinal and transverse intersecting steel wire woven structure, the surface hole groove of the first reinforcing net 7 is aligned with the surface hole groove of the second reinforcing net 8, and the first reinforcing net 7 and the second reinforcing net 8 are inserted with the connecting piece 9, the top end of the connecting piece 9 is provided with an open recess, and the outer wall of the top end of the connecting piece 9 is in a threaded structure, the top end of the connecting piece 9 is screwed with the sleeve ring 10, the second reinforcing net 8 is connected with the first reinforcing net 7 through the connecting piece 9 by arranging the second reinforcing net 8 in the cavity of the structure main body 1, the second reinforcing net 8 is left in the post-poured band after pouring, and the overall integrity and continuity of the concrete structure can be enhanced by connecting the second reinforcing net 8 with the first reinforcing net 7, so that the stress is more evenly distributed when the structure is under stress, and the expansion of the concrete cracks can be limited by fixing the second reinforcing net 8 with the first reinforcing net 7, the steel provides restraint on both sides of the cracks, reduces the risk of crack development, and the connecting piece 9 is conducive to avoiding the sliding phenomenon between the second reinforcing net 8 and the first reinforcing net 7.

[0025] Working principle: when the structure body 1 is poured and shaped, the nut 3 at both ends of the screw rod 2 is rotated, so that the screw rod 2 in the structure body 1 can exert a preset compressive stress, the second reinforcing net 8 is connected with the first reinforcing net 7 through the connecting piece, and then the internal post-poured belt and the top layer 5 are poured, the second reinforcing net 8 is left in the post-poured belt after the post-poured belt is poured, and after the post-poured belt is shaped to a certain strength, the nut 3 is rotated to loosen the screw rod 2, so that the concrete forms prestress, and through the prestress, the prestress can be consumed first when the structure bears load.

[0026] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, and it is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic features of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0027] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A water-proof basement floor post-cast strip structure, characterized by: The invention comprises a structural body (1), a screw (2), a first reinforcing mesh (7) and a connecting piece (9), wherein the structural body (1) is a concrete casting structure as a whole, and a screw (2) is provided inside the structural body (1), and nuts (3) are provided at both ends of the screw (2), a bottom plate (4) is provided at the bottom of the structural body (1), and the bottom plate (4) is connected to the structural body (1) by integral casting, a second reinforcing mesh (8) is provided inside the structural body (1), and the second reinforcing mesh (8) is provided with a first reinforcing mesh (7), and the first reinforcing mesh (7) is located inside the top layer (5), and the upper surface of the top layer (5) is covered with a waterproof membrane (6).

2. The anti-water seepage basement floor post-cast strip structure according to claim 1, characterized in that: Holes are reserved at both ends of the structural main body (1), and screws (2) are inserted into the holes. A plurality of screws (2) are provided, and the plurality of screws (2) are distributed at equal intervals.

3. The anti-water seepage basement floor post-cast strip structure according to claim 1, characterized in that: A limiting ring (11) is welded to the outer wall of the middle portion of the screw (2), and the limiting rings (11) are regularly distributed in a straight line with equal spacing.

4. The anti-water seepage basement floor post-cast strip structure according to claim 1, characterized in that: The middle part of the structural main body (1) is hollow and provided with a secondary casting cavity, and the second reinforcing mesh (8) inside the structural main body (1) is made of a crisscross steel wire braided structure.

5. The anti-water seepage basement floor post-cast strip structure according to claim 1, characterized in that: The holes and grooves on the surface of the first reinforcing net (7) are aligned with the holes and grooves on the surface of the second reinforcing net (8), and connecting pieces (9) are inserted into the first reinforcing net (7) and the second reinforcing net (8).

6. The anti-seepage basement floor post-cast strip structure according to claim 1, characterized in that: An open groove is provided at one end of the top of the connecting piece (9), and the outer wall of the top end of the connecting piece (9) is in a threaded structure. The top end of the connecting piece (9) is threadedly connected to the collar (10).

Citation Information

Patent Citations

  • Anti-seepage basement bottom plate post-cast strip structure

    CN220847714U