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Floor support plate concrete construction joint waterproof structure and construction method thereof

A construction method and technology of construction joints, which are applied in the direction of building structure, building components, building insulation materials, etc., can solve problems such as uncompacted concrete, water leakage, and affecting use functions, so as to reduce the risk of cracking, prevent cracking, Solve the effect of easy leakage

Pending Publication Date: 2021-09-24
中建五局第三建设有限公司
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Problems solved by technology

Due to the structure of the floor deck, it is impossible to install water-stop steel plates at the construction joints. At the same time, the concrete at the construction joints is prone to looseness, which in turn causes water leakage at the construction joints of the floor deck, which seriously affects the use function.

Method used

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  • Floor support plate concrete construction joint waterproof structure and construction method thereof
  • Floor support plate concrete construction joint waterproof structure and construction method thereof
  • Floor support plate concrete construction joint waterproof structure and construction method thereof

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Embodiment Construction

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0029] like Figures 1 to 3 As shown, a construction method for the waterproof structure of concrete construction joints of floor bearing slabs comprises the following steps:

[0030] The first step, construction joint formwork installation:

[0031] like figure 2 As shown, after the reinforcement of the floor deck is bound, a dense steel wire mesh is set in the chord reinforcement of the floor deck and the bottom formwork steel plate, and the outer side of...

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Abstract

The invention provides a floor support plate concrete construction joint waterproof structure and a construction method thereof. The floor support plate concrete construction joint waterproof structure comprises a high-strength grouting material and waterproof reinforcing layers, wherein a groove is prefabricated in the top of a construction joint along the construction joint, the groove is filled with the high-strength concrete grouting material, the waterproof reinforcing layers are arranged on the two sides of the construction joint along the construction joint, and each waterproof reinforcing layer sequentially comprises a first high polymer modified asphalt waterproof coating, glass fiber cloth, a second high polymer modified asphalt waterproof coating and a high polymer modified asphalt waterproof coiled material from bottom to top. According to the floor support plate concrete construction joint waterproof structure and the construction method thereof, the groove with a certain width is formed in the construction joint, the groove is filled with the high-strength grouting material, then the waterproof reinforcing layers are arranged along the construction joint, the problem that leakage is prone to occurring at the construction joint due to the fact that a water stop steel plate cannot be arranged on a floor support plate is effectively solved, and the floor support plate concrete construction joint waterproof structure and the construction method thereof can be widely applied to floor support plate roof construction.

Description

technical field [0001] The invention relates to a waterproof structure of construction joints of roof floor bearing slabs, in particular to a waterproof structure of concrete construction joints of floor bearing slabs and a construction method thereof. Background technique [0002] At present, more and more industrial factory roofs adopt the form of steel structures. The roofs are mainly cast-in-place reinforced concrete floors with steel trusses. Due to the structure of the floor deck, it is not possible to install water-stop steel plates at the construction joints. At the same time, the concrete at the construction joints is prone to loose compaction, which in turn causes water leakage at the construction joints of the floor deck, which seriously affects the use function. Contents of the invention [0003] The invention solves the deficiencies of the prior art and provides a waterproof structure for concrete construction joints of floor decks and a construction method fo...

Claims

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Application Information

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IPC IPC(8): E04B1/682
CPCE04B1/68E04B1/6806
Inventor 陆建臻曹红军李朝辉王峥江新亮
Owner 中建五局第三建设有限公司
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