Waterproof joint of latticed column out of basement top plate opening

The combination of water-stop steel plates and waterproof sills solves the problem of poor water-blocking effect of traditional brick masonry, achieves effective waterproofing of the openings in the basement roof slab, and improves construction safety and structural applicability.

CN223805590UActive Publication Date: 2026-01-16SHANGHAI CONSTRUCTION NO 7 (GROUP) CO LTD
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Patent Information

Application Number
CN202520255399.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-18
Publication Date
2026-01-16
Estimated Expiration
2035-02-18

AI Technical Summary

Technical Problem

Traditional brick-built lattice tower cranes have poor water-blocking effect when they exit through the basement roof opening, allowing rainwater to easily enter the basement, causing safety hazards and damage.

Method used

The structure adopts a combination of water-stop steel plate and waterproof sill. The water-stop steel plate is horizontally set in the top slab concrete and cantilevered in the opening. The waterproof sill is formed by vertical steel plate forming a rectangular frame, with the top extending above the surface of the top slab. It is welded and fixed together with the steel mesh of the top slab to form a sealed connection.

Benefits of technology

It effectively prevents water from accumulating on the roof and entering the basement, improves construction safety, has a simple structure, low cost, and is suitable for large-scale promotion.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a waterproof joint for a latticed column to go out of a basement top plate opening. The waterproof joint comprises a basement top plate, a water stop steel plate and a waterproof ridge. Reserved holes are formed in the positions, crossed with the latticed columns, of the basement top plate; the water-stop steel plate is horizontally arranged, one end of the water-stop steel plate is poured in concrete of the basement roof, a cantilever at the other end of the water-stop steel plate is arranged in the reserved hole, and the water-stop steel plate is annularly arranged around the reserved hole; the waterproof ridge comprises four vertical steel plates, the vertical steel plates are sequentially welded to form a rectangular frame with the periphery closed, the bottoms of the vertical steel plates are fixedly welded to the middles of the water stop steel plates, the height of the tops of the vertical steel plates is larger than that of the upper surface of the basement top plate, and the height difference meets a preset value. The waterproof joint can prevent accumulated water above the top plate of the basement from being poured into the basement through the reserved hole and can also prevent the accumulated water from permeating into the basement from the position between the waterproof ridge and concrete, and the waterproof joint has the advantages of being good in waterproof effect, simple in structure and low in cost.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a waterproof joint of lattice column out of basement roof hole, belong to the field of building construction technology. BACKGROUND

[0002] In the lattice tower out of basement roof hole part construction, the traditional method is that after the basement roof part floor pouring is completed, the water retaining way of brick masonry is adopted, this method often has poor water retaining effect, rainwater can easily enter the basement through the hole. If sudden heavy rain and other bad weather are encountered, rainwater on the basement roof will quickly accumulate, cannot be removed in time, rainwater will flow into the basement through the roof hole, causing the basement rainwater to gather, damaging the constructed part. At the same time, the waterlogging may cause the temporary power cable, distribution box and the like in the basement to be soaked, and there is a certain safety hazard, especially during the coastal plum rain period and typhoon weather. UTILITY MODEL CONTENTS

[0003] In view of the above problems existing in the prior art during the construction of the lattice tower out of the basement roof hole, the utility model provides a waterproof joint of lattice column out of basement roof hole, which can prevent water on the basement roof from flowing into the basement through the reserved hole, avoid damaging the constructed part inside the basement, and improve the safety of construction.

[0004] To solve the above technical problems, the utility model includes the following technical schemes:

[0005] A waterproof joint of lattice column out of basement roof hole, the waterproof joint comprises a basement roof, a water stop steel plate and a waterproof ridge;

[0006] The basement roof is provided with a reserved hole at the intersection position with the lattice column;

[0007] The water stop steel plate is horizontally arranged, one end of the water stop steel plate is poured into the concrete of the basement roof, the other end is cantilevered in the reserved hole, and the water stop steel plate is annularly arranged around the reserved hole;

[0008] The waterproof ridge comprises four vertical steel plates, the vertical steel plates are sequentially welded to form a rectangular frame with four closed sides, the bottom of the vertical steel plate is welded and fixed with the middle part of the water stop steel plate, the height of the top of the vertical steel plate is greater than the height of the upper surface of the basement roof, and the height difference satisfies a preset value.

[0009] Further, the basement roof is provided with two layers of roof reinforcement nets, and the water stop steel plate is located between the two layers of roof reinforcement nets.

[0010] Further, the upper layer of roof reinforcement net around the reserved hole is welded and fixed with the vertical steel plate of the waterproof ridge.

[0011] Further, the water stop steel plate is provided with a bending section at both ends, and the bending section is inclined downward to both ends.

[0012] Compared with the prior art, the utility model has the following advantages and positive effects: the waterproof ridge of the waterproof joint of the lattice column out of the basement roof hole is higher than the basement roof, which can prevent the water above the basement roof from pouring into the basement through the reserved hole, the concrete of the side of the waterproof ridge and the basement roof is sealed and connected, the bottom of the waterproof ridge and the bottom of the water stop steel plate are sealed and fixed, one end of the water stop steel plate is also poured into the concrete of the basement roof, which can prevent the water above the basement roof from seeping into the basement between the concrete of the waterproof ridge and the basement roof and between the water stop steel plate and the concrete of the basement roof, thereby avoiding damaging the constructed part inside the basement, improving the safety of the electrical construction inside the basement, and having the advantages of simple structure, convenient construction, low cost and strong applicability, which is suitable for large-scale popularization and use. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a plan view of the waterproof joint of the lattice column out of the basement roof hole in an embodiment of the utility model;

[0014] Figure 2 It is Figure 1 the sectional view along A-A.

[0015] The reference signs in the drawings are as follows:

[0016] 10 - basement roof; 11 - roof reinforcement net; 12 - reserved hole; 20 - water stop steel plate; 30 - water retaining ridge; 40 - lattice column. DETAILED DESCRIPTION

[0017] The waterproof joint of the lattice column out of the basement roof hole provided by the utility model will be further described in detail below in combination with the drawings and specific embodiments. The advantages and features of the utility model will be clearer in combination with the following description. It should be noted that the drawings are very simplified and use non-precise proportions, and are only used to facilitate and clearly assist the purpose of explaining the embodiments of the utility model.

[0018] In combination Figure 1 and Figure 2As shown, the waterproof joint of the lattice column out of the basement roof hole provided by the embodiment comprises a basement roof 10, a water stop steel plate 20 and a waterproof ridge 30. The basement roof 10 is provided with two layers of top plate steel mesh 11, and the basement roof is provided with a reserved hole 12 at the intersection position with the lattice column, the lattice column 40 passes through the reserved hole, and a gap is left between the lattice column 40 and the basement roof around the reserved hole 11. The water stop steel plate 20 is horizontally arranged and located between the two layers of top plate steel mesh, one end of the water stop steel plate is cast in the concrete of the basement roof, the other end is cantilevered in the reserved hole, and the water stop steel plate is annularly arranged around the reserved hole. The two ends of the water stop steel plate 20 can also be provided with a bending section, which is inclined downward to the two ends, for example, the included angle between the bending section and the horizontal plane is 10°-30°, which can improve the anti-seepage effect of the basement roof after filling the reserved hole with concrete in the later stage. The waterproof ridge 30 comprises four vertical steel plates, which are sequentially welded to form a rectangular frame, the bottom of the vertical steel plate is welded and fixed with the middle part of the water stop steel plate, the height of the top of the vertical steel plate is greater than the height of the upper surface of the basement roof, and the height difference meets the preset value, so as to meet the waterproof requirement, and the preset value can be determined in advance according to the requirement. The side of the vertical steel plate is sealingly connected with the concrete of the top of the basement.

[0019] For example, the cross-sectional size of the lattice column 40 is 450mm*450mm, the size of the reserved hole 11 is 800mm*800mm, and the size of the four vertical steel plates of the waterproof ridge 30 is 800mm in length, 5mm in thickness and 300mm in height.

[0020] During the construction of the basement roof, first, the bottom formwork of the basement roof is arranged, the top plate steel mesh of the basement roof is bound, the top plate steel mesh is broken or bent at the reserved hole, the waterproof ridge and the water stop steel plate are welded according to the preset size, the water stop steel plate is fixed at the appropriate position, then the bottom of the waterproof ridge is welded and fixed with the middle part of the upper surface of the water stop steel plate, the side formwork spliced with the bottom formwork of the top is arranged around the reserved hole below the water stop steel plate, and then the concrete of the basement roof is cast. The waterproof ridge also plays the role of side formwork during the casting of the concrete, and the waterproof joint of the lattice column out of the basement roof hole is formed after the completion of the casting of the concrete.

[0021] The technical features of the above-described embodiments can be combined arbitrarily, and in order to make the description concise, all possible combinations of the technical features in the above-described embodiments are not described, however, as long as the combinations of the technical features do not exist contradictory, they should be considered as the scope of the present disclosure.

[0022] The above-described embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but can not therefore be understood as the limitation to the utility model range. It should be pointed out that for ordinary skilled person in the art, under the premise of not departing from the utility model concept, can also make several deformation and improvement, these all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model should be according to the appended claims.

Claims

1. A waterproof joint of a lattice column exiting a basement roof hole, characterized in that, the waterproof joint comprises a basement roof, a water stop steel plate and a waterproof ridge; the basement roof is provided with a reserved hole at the intersection position with the lattice column; the water stop steel plate is horizontally arranged, one end of the water stop steel plate is cast in the concrete of the basement roof, the other end is cantilevered in the reserved hole, and the water stop steel plate is annularly arranged along the reserved hole; the waterproof ridge comprises four vertical steel plates, the vertical steel plates are sequentially welded to form a rectangular frame with a closed periphery, the bottom of the vertical steel plate is welded and fixed with the middle part of the water stop steel plate, the height of the top of the vertical steel plate is greater than the height of the upper surface of the basement roof, and the height difference satisfies a preset value.

2. The lattice column waterproofing joint for a basement roof hole according to claim 1, characterized in that, two layers of roof reinforcement nets are arranged in the basement roof, and the water stop steel plate is located at the position between the two layers of roof reinforcement nets.

3. The latticed column waterproofing node for a basement top slab hole according to claim 1, characterized in that, the upper layer of roof reinforcement net around the reserved hole is welded and fixed with the vertical steel plate of the waterproof ridge.

4. The latticed column waterproofing node for a basement top slab hole according to claim 1, characterized in that, bent sections are arranged at both ends of the water stop steel plate, and the bent sections are inclined downward to both ends.