Underground construction joint waterproof structure

By using components such as embedded waterstops, external waterstops, and trapezoidal auxiliary waterproof concrete structures at underground construction joints, a multi-layer waterproof system is formed, which solves the problem of poor waterproofing effect at underground construction joints and achieves better waterproofing and seepage prevention effects and structural stability.

CN223607914UActive Publication Date: 2025-11-28中电建路桥集团有限公司
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423214367.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2025-11-28
Estimated Expiration
2034-12-25

AI Technical Summary

Technical Problem

In existing technologies, the waterproofing effect of underground construction joints is poor, which makes underground buildings prone to water leakage at the joints and affects the durability of the buildings.

Method used

By combining embedded waterstops and external waterstops with trapezoidal auxiliary waterproof concrete structures, waterproof layers, and cover plates, a multi-layer waterproof system is formed, including waterstop components, auxiliary waterproof concrete structures, waterproof layers, and cover plates, which enhances structural stability and waterproofing effect.

Benefits of technology

It improves the waterproof performance of underground construction joints, prevents water accumulation, enhances structural strength, ensures waterproof and seepage prevention effects, stabilizes drainage slope, and effectively prevents water leakage.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223607914U_ABST
    Figure CN223607914U_ABST
Patent Text Reader

Abstract

The utility model provides an underground construction joint waterproof structure which comprises a first wall body and a second wall body which are horizontally arranged, a connecting part is arranged between the first wall body and the second wall body, and a water stop assembly is arranged at the joint of the first wall body, the second wall body and the connecting part. An auxiliary waterproof concrete structure is arranged at the top seam of the first wall body, the second wall body and the connecting part, and a waterproof layer and a cover plate are sequentially arranged on the outer surface of the auxiliary waterproof concrete structure; the ends, close to each other, of the first wall body and the second wall body are each provided with a plurality of evenly-distributed grooves. The waterproof effect can be improved through the water stop assembly, the auxiliary waterproof concrete structure is trapezoidal, the overall structural strength of the connecting position can be improved, water drainage and diversion are facilitated, water gathering is avoided, and therefore the waterproof and seepage-proofing effects are effectively improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of waterproof structure of building construction, especially relate to an underground construction joint waterproof structure. BACKGROUND

[0002] With the continuous development of city construction, the number of underground buildings is also increasing, and the waterproof requirements for underground buildings are also becoming more and more strict, especially the joint waterproof is crucial to the overall construction.

[0003] For large area and large span underground buildings, multiple reinforced concrete plates are usually poured and formed first, and after all the reinforced concrete plates are formed, reinforced shrinkage compensation concrete plates are poured between the multiple reinforced concrete plates. This structure will result in poor waterproof performance, and water leakage often occurs at the joint. If water leakage occurs, it will seriously affect the durability of the building. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model aims at providing an underground construction joint waterproof structure to solve the poor waterproof effect of the underground construction joint waterproof structure in the prior art.

[0005] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0006] An underground construction joint waterproof structure, comprising a first wall and a second wall arranged horizontally, a connecting portion arranged between the first wall and the second wall, and a water stop assembly arranged at the connecting portion of the first wall, the second wall and the connecting portion.

[0007] An auxiliary waterproof concrete structure is arranged at the top joint of the first wall, the second wall and the connecting portion, and a waterproof layer and a cover plate are arranged in sequence on the outer surface of the auxiliary waterproof concrete structure.

[0008] The first wall and the second wall each have a plurality of recesses arranged uniformly at one end thereof.

[0009] Further, the water stop assembly comprises a middle-buried water stop belt and two externally-applied water stop belts, the middle-buried water stop belt is arranged at the internal joint of the first wall, the second wall and the connecting portion, and the two externally-applied water stop belts are arranged at the top joint of the first wall and the connecting portion and the top joint of the connecting portion and the second wall. The middle-buried water stop belt not only increases the stability of the wall structure, but also has a waterproof effect. The externally-applied water stop belts are arranged at the joints of the first wall and the connecting portion and the second wall and the connecting portion, further increasing the waterproof effect.

[0010] Further, the auxiliary waterproof concrete structure is a trapezoidal structure, and the auxiliary waterproof concrete structure covers the joints of the first wall body, the second wall body and the connecting part.

[0011] Further, the bottom of the auxiliary waterproof concrete structure is provided with first expansion waterstop strips.

[0012] Further, the waterproof layer is arranged above the first wall body, the auxiliary waterproof concrete structure and the second wall body.

[0013] Further, the cover plate is arranged above the waterproof layer, the two ends of the cover plate correspond to the bottom edges of the auxiliary waterproof concrete structure, and the connecting joints between the bottom surfaces of the two ends of the cover plate and the top surface of the waterproof layer are sealed by sealing paste.

[0014] Further, the groove is semicircular, and a second expansion waterstop strip is arranged in the groove.

[0015] Compared with the prior art, the underground construction joint waterproof structure has the following advantages:

[0016] (1) The embedded waterstop strip not only increases the stability of the wall body structure, but also has a waterproof effect, and the joints of the first wall body, the connecting part and the second wall body are all provided with the externally attached waterstop strip, thereby further improving the waterproof effect.

[0017] (2) The auxiliary waterproof concrete structure is trapezoidal, which can not only improve the overall structural strength of the connecting position, but also facilitate water drainage and flow, thereby effectively improving the waterproof and anti-seepage effect.

[0018] (3) The cross-sectional shape of the cover plate corresponds to the cross-sectional shape of the auxiliary waterproof concrete structure, which is conducive to the fit between the cover plate and the waterproof layer, and can ensure that the two ends of the cover plate are provided with a drainage slope above the waterproof layer.

[0019] (4) The utility model discloses a second expansion waterstop is arranged at the joint of first wall body, second wall body and connecting portion, can further increase waterproof effect. BRIEF DESCRIPTION OF DRAWINGS

[0020] The accompanying drawings, which form a part of this description, are included to provide a further understanding of the application and are incorporated in and constitute a part of this application. The embodiments of the application will be better understood from the description of the preferred embodiments of the application with reference to the drawings, in which:

[0021] Figure 1 A kind of underground construction joint waterproof structure schematic view for the utility model embodiment described.

[0022] REFERENCE NUMERALS

[0023] 1, first wall body;2, second wall body;3, connecting portion;4, auxiliary waterproof concrete structure;5, waterproof layer;6, cover plate;7, groove;8, middle-buried waterstop;9, externally-applied waterstop;10, first expansion waterstop;11, sealing paste;12, second expansion waterstop. DETAILED DESCRIPTION

[0024] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.

[0025] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more.

[0026] In the description of the utility model, it is to explain, unless another explicit provision and limitation, the term "installation", "link", "connection" should do the broad sense understanding, for example, can be fixed connection, can be detachable connection, or integrally connected;Can be mechanical connection, can be electrical connection;Can be directly connected, can be indirectly connected through the intermediate medium, can be the communication inside two elements.For ordinary skilled in the art, the above-mentioned terms can be understood by the specific meaning in the utility model through specific circumstances.

[0027] The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0028] As Figure 1 Indicated, a kind of underground construction joint waterproof structure, including the first wall 1 and second wall 2 of horizontal arrangement, connection part 3 is equipped between the first wall 1 and second wall 2, and the connecting place of first wall 1, second wall 2, connection part 3 is equipped with water stop component;

[0029] The top joint of first wall 1, second wall 2, connection part 3 is equipped with auxiliary waterproof concrete structure 4, and the outer surface of auxiliary waterproof concrete structure 4 is equipped with waterproof layer 5 and cover plate 6 in sequence;

[0030] First wall 1, second wall 2 are equipped with several evenly distributed grooves 7 in one end of each other.

[0031] The water stop component includes middle buried water stop tape 8, two outer pasting water stop tapes 9, middle buried water stop tape 8 is arranged at the inside joint of first wall 1, second wall 2, connection part 3, and two outer pasting water stop tapes 9 are arranged at the top joint of first wall 1, connection part 3 and the top joint of connection part 3, second wall 2.Middle buried water stop tape 8 not only increases wall structure stability, but also has waterproof effect, and the joint of first wall 1, connection part 3 and second wall 2, connection part 3 is equipped with outer pasting water stop tape 9, to further increase waterproof effect.

[0032] The auxiliary waterproof concrete structure 4 is trapezoidal structure, and the auxiliary waterproof concrete structure 4 covers above the joint of first wall 1, second wall 2 and connection part 3.Auxiliary waterproof concrete structure 4 adopts trapezoidal, not only can improve the overall structure strength of connecting position, but also facilitate water drainage and diversion, avoid water aggregation, to effectively improve waterproof and anti-seepage effect.

[0033] The bottom two sides of the auxiliary waterproof concrete structure 4 are equipped with first expansion water stop strip 10.First expansion water stop strip 10 can further improve waterproof effect.

[0034] The waterproof layer 5 is arranged above the first wall body 1, the auxiliary waterproof concrete structure 4 and the second wall body 2. The waterproof layer 5 is attached to the top of the first wall body 1, the auxiliary waterproof concrete structure 4 and the second wall body 2, so that the first wall body 1 and the second wall body 2 are closely connected, and the waterproof effect is improved.

[0035] The cover plate 6 is arranged above the waterproof layer 5, the two ends of the cover plate 6 correspond to the bottom edges of the auxiliary waterproof concrete structure 4, and the connecting seams between the bottom surfaces of the two ends of the cover plate 6 and the top surface of the waterproof layer 5 are sealed by the sealing paste 11. The cross-sectional shape of the cover plate 6 corresponds to the cross-sectional shape of the auxiliary waterproof concrete structure 4, so that the cover plate 6 is attached to the waterproof layer 5, and the two ends of the cover plate 6 and the top of the waterproof layer 5 are provided with a drainage slope; the sealing paste 11 can not only prevent the drainage on the top of the two ends of the cover plate 6 from flowing back into the connecting seam, but also fix the position of the cover plate 6, so that the stability of the drainage slope is ensured.

[0036] The groove 7 is semicircular, and the second expansion waterstop 12 is arranged in the groove 7. The shape of the second expansion waterstop 12 corresponds to the shape of the groove 7, and the second expansion waterstop 12 can further improve the waterproof effect.

[0037] In the specific implementation, the first wall body 1 and the second wall body 2 are connected by the connecting part 3, and the connecting seams between the first wall body 1 and the connecting part 3 and between the second wall body 2 and the connecting part 3 are provided with a plurality of second expansion waterstops 12 and the embedded waterstop 8, so that the waterproof effect is improved; the top of the first wall body 1, the connecting part 3 and the second wall body 2 is provided with the auxiliary waterproof concrete structure 4 in the shape of a trapezoid, so that the overall structural strength of the connecting position is improved, and the water is easily drained and guided, so that the water is not accumulated, and the waterproof and anti-seepage effects are effectively improved; the top of the auxiliary waterproof concrete structure 4 is provided with the waterproof layer 5 and the cover plate 6, so that the waterproof effect is further improved.

[0038] The above only describes preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An underground construction joint waterproofing structure, characterized by: The utility model provides a waterproof structure of horizontal setting first wall (1) and second wall (2), first wall (1) and second wall (2) between being equipped with connecting portion (3), first wall (1), second wall (2), connecting portion (3) junction is equipped with water stop component; The top joint of the first wall (1), the second wall (2) and the connecting portion (3) is provided with an auxiliary waterproof concrete structure (4), and the outer surface of the auxiliary waterproof concrete structure (4) is sequentially provided with a waterproof layer (5) and a cover plate (6); The first wall (1) and the second wall (2) are each provided with a plurality of recesses (7) uniformly distributed at one end close to each other.

2. An underground construction joint waterproofing structure according to claim 1, characterized in that: The water stop component includes a middle-buried water stop belt (8) and two externally-applied water stop belts (9), the middle-buried water stop belt (8) is arranged at the inner joint of the first wall (1), the second wall (2) and the connecting portion (3), and the two externally-applied water stop belts (9) are arranged at the top joint of the first wall (1) and the connecting portion (3) and the top joint of the connecting portion (3) and the second wall (2).

3. An underground construction joint waterproofing structure according to claim 1, wherein: The auxiliary waterproof concrete structure (4) is a trapezoidal structure, and covers the joint of the first wall (1), the second wall (2) and the connecting portion (3).

4. An underground construction joint waterproofing structure according to claim 1, wherein: The bottom of the auxiliary waterproof concrete structure (4) is provided with a first expansion water stop strip (10) on both sides.

5. An underground construction joint waterproofing structure according to claim 1, wherein: The waterproof layer (5) is arranged above the first wall (1), the auxiliary waterproof concrete structure (4) and the second wall (2).

6. An underground construction joint waterproofing structure according to claim 1, wherein: The cover plate (6) is arranged above the waterproof layer (5), the two ends of the cover plate (6) correspond to the bottom edges of the auxiliary waterproof concrete structure (4), and the connecting joint between the bottom surfaces of the two ends of the cover plate (6) and the top surface of the waterproof layer (5) is sealed by sealing paste (11).

7. An underground construction joint waterproofing structure according to claim 1, wherein: The recess (7) is semicircular, and a second expansion water stop strip (12) is arranged in the recess (7).