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Waterproof top cover and construction method thereof

A construction method and roof technology, applied in water conservancy projects, artificial islands, underwater structures, etc., can solve the problems of easy cracking and failure of rigid waterproof layers, easy damage to flexible waterproofing, and difficult problems of roof waterproofing durability. Avoid man-made and external damage, flexible processing methods, good waterproof performance

Inactive Publication Date: 2017-07-14
谢孟
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The roof panel is a structure exposed to harsh environments, and its requirements are different from those of the floor slab. Due to the use of the roof, the load may change greatly, so the roof structure is required to have a large bearing capacity reserve. The exposure of the roof requires it to have It has good heat preservation and heat insulation performance, and the most basic function of the roof is waterproof. The traditional roof structure is a cast-in-place concrete beam-slab structure, and its bearing capacity has no reserve, and a large overload will cause safety hazards. It is easy to crack and fail under environmental and overload conditions, while flexible waterproofing is easily damaged in the harsh environment of the roof, and its durability is also affected. However, the durability of roof waterproofing or roof waterproofing is a problem in the world

Method used

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  • Waterproof top cover and construction method thereof
  • Waterproof top cover and construction method thereof
  • Waterproof top cover and construction method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Embodiment 1: A waterproof top cover, which includes a waterproof frame 1 and a waterproof web 2, the waterproof frame 2 is rectangular, the length and width are 2.1 meters, the length and width of the internal cavity are 1.9 meters, and the frame is wide 0.1 meters, the cross-section is straight, the thickness is 5 mm, there is a ring-shaped water-stop convex rib on the upper and lower surfaces of the free end, 5 is 20 mm wide, and 10 mm thick, and there is a ring-shaped water-stop groove at the connecting end One 4 is 20 mm wide and 10 mm deep. The panel of the waterproof web 2 is 5 mm thick. There is a ring-shaped closed connection convex rib on the bottom surface of the panel periphery. The size corresponds to the water-stop groove-4. Forming, factory mass production.

[0027] Further, the above-mentioned waterproof top cover and the mandrel 8 are used to form a concrete hollow board, the top surface of the mandrel 8 is covered with the waterproof top cover 7, and a...

Embodiment 2

[0035] Embodiment 2: A waterproof top cover, the section form of the water-stop frame 1 is inverted L-shaped, there are two circles of water-stop grooves 26 on the outer surface of the free limb, and there is a ring-shaped connection groove at the end of the connecting limb. The surface of the waterproof web 2 has grid-like convex ribs, the rib height is 2 mm, the rib width is 3 mm, and the rib distance is 50 mm, and the rest are the same as in embodiment 1.

[0036] Use the above-mentioned waterproof top cover and mandrel 8 to form a concrete hollow board. The gap reserved between the mandrels 8 is 400 mm, and the rest are the same as in Example 1.

[0037] The construction method and steps of the above-mentioned concrete hollow slab are as follows:

[0038] 1. The waterproof top cover 7 is prefabricated in batches at the factory and delivered to the construction site;

[0039]2. The anti-floating mandrel 8 is arranged on the in-situ foundation according to the reserved gap ...

Embodiment 3

[0044] Embodiment 3: A waterproof top cover, which includes a waterproof frame 1 and a waterproof web 2, the waterproof frame 2 is rectangular, with a length and width of 2.5 meters, an internal cavity with a length and width of 2.3 meters, and a frame width of 0.1 meters, the cross-section is straight, the thickness is 5 mm, there is a ring-shaped water-stop convex rib on the upper and lower surfaces of the free end, 5 is 20 mm wide, and 10 mm thick, and there is a ring-shaped water-stop groove at the connecting end One 4 is 30 mm wide and 15 mm deep. The panel of the waterproof web 2 is 5 mm thick. There is a ring-shaped closed connecting convex rib on the bottom surface around the panel. The size corresponds to the water-stop groove-4. Forming, factory mass production.

[0045] Use the above-mentioned waterproof top cover and mandrel 8 to form a concrete hollow board. The gap reserved between the mandrels 8 is 400 mm, and the rest are the same as in Example 1.

[0046] The...

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Abstract

The invention discloses a waterproof top cover and a construction method thereof. The waterproof top cover comprises a water stopping edge frame and a waterproof web, wherein the water stopping edge frame is of an annular sealed shape; the waterproof web is arranged at the upper part of the water stopping edge frame. The waterproof web and the water stopping edge frame are made of different waterproof materials. According to the waterproof top cover, a flexible waterproof layer of a concrete hollow web is transferred to a bottom surface of a top plate of a hollow web from the top surface of a foundation, so that a buoyant force is reduced; a core mold which is filled into the web plate is connected with the foundation and extends into the foundation, so that a gripping force of the core mold and lateral resistance of the foundation can be used for resisting the buoyant force, and furthermore, the construction price of a basement bottom plate and a heat-preservation and waterproof concrete web roof panel is reduced and an anti-floating bearing force of a basement is improved; the web of the waterproof top cover and the bottom plate are embedded and connected, so that the web of the waterproof top cover and the bottom plate have a common effect, a bearing capability of a concrete structure is enhanced and an anti-cracking performance of the bottom plate can be greatly improved, and furthermore, a self-waterproof performance of the structure is improved and a waterproof effect is good.

Description

technical field [0001] The invention relates to a waterproof top cover, in particular to a waterproof top cover for a concrete hollow board and a construction method thereof, belonging to the technical field of building waterproofing. Background technique [0002] The basement floor has anti-floating and waterproof requirements, especially the once-in-a-century buoyancy load and waterproof requirements make the basement floor expensive. Existing technical specifications require the use of rigid concrete structure self-waterproofing and flexible membrane waterproofing for double waterproofing. The use of concrete hollow slab structure can greatly save concrete and reduce steel consumption by increasing the height of the section. However, the traditional waterproofing method is to lay waterproof membranes on the base. The disadvantage is that there are too many joints to leave hidden dangers. The construction of the base form and the binding of steel bars are easy to cause da...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/66E04B5/00E04B5/36E02D31/02E02D29/045
CPCE04B1/66E02D29/045E02D31/025E02D2300/0006E02D2300/002E02D2450/106E04B1/0007E04B5/00E04B5/36
Inventor 谢孟
Owner 谢孟
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