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Non-fat-groove-excavation building foundation waterproof construction method

A construction method and basic technology, applied in infrastructure engineering, buildings, protective devices, etc., can solve problems such as high cost, long construction period, and difficult construction

Active Publication Date: 2017-08-18
CHINA METALLURGICAL CONSTR ENG GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The traditional self-adhesive polymer membrane waterproofing construction needs to be made into a modeling wall, and the single-side support formwork is used for construction. Therefore, this existing waterproofing technology has defects such as long construction period, high cost, and difficult construction.

Method used

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  • Non-fat-groove-excavation building foundation waterproof construction method

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specific Embodiment approach

[0051] A waterproof construction method for excavating building foundations without fertilizer tanks, comprising the steps of waterproofing construction of raft foundations, the steps of waterproofing construction of basement exterior walls, and the steps of waterproof construction of the intersecting parts of outer sides of raft foundations and exterior exterior walls of basements in sequence; It is characterized in that, for the waterproof construction of the raft foundation, it is realized by adding PNC waterproof material to the pouring concrete in windy and rainy weather, or by dry spreading the PNC waterproof material before pouring in non-rainy weather; for the basement exterior wall Waterproof construction is achieved by adding PNC waterproof material to the pouring concrete; for waterproof construction at the intersection of the outer side of the raft foundation and the basement exterior wall, it is realized by brushing the PNC waterproof material solution.

[0052] In...

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Abstract

The invention discloses a non-fat-groove-excavation building foundation waterproof construction method. The method is characterized in that raft plate foundation waterproof construction is achieved in the manner that in windy and rainy days, a PNC waterproof material is added into concrete for pouring, or is achieved in the manner that the PNC waterproof material is subjected to dry spreading before pouring in non-windy-rainy days; basement outer wall waterproof construction is achieved in the manner that the PNC waterproof material is added into the concrete for pouring; and waterproof construction of the intersecting portion of the raft plate foundation outer side and the basement outer wall is achieved in the manner of coating the intersecting portion with a PNC waterproof material solution. The non-fat-groove-excavation building foundation waterproof construction method has the advantages of being easy and convenient to construct, short in construction cycle, low in cost, good in overall waterproof effect of a building foundation and the like.

Description

technical field [0001] The invention belongs to the field of building foundation engineering construction, and in particular relates to a waterproof construction method for building foundation without excavating a fertilizer tank. Background technique [0002] With the development of economy and the continuous growth of population, land resources are becoming more and more urgent. It has promoted the transition of universities from educational land to semi-educational land and semi-commercial land, and a large number of comprehensive commercial buildings have sprung up like mushrooms after rain. However, commercial buildings must not only meet the requirements of the school’s teaching land, but also meet the requirements of commercial profitability. Therefore, commercial buildings are usually located on the side close to the market road, which greatly increases the difficulty of construction. Engineering foundation pit construction tends to excavate without fertilizer groov...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D31/02
CPCE02D31/02
Inventor 刘义权张建东
Owner CHINA METALLURGICAL CONSTR ENG GRP