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Method for detecting impermeability of building wall surface

A detection method and performance technology, applied in the direction of measuring device, permeability/surface area analysis, suspension and porous material analysis, etc., can solve the problems of long detection time, wall damage, etc., and achieve simple operation, easy operation and reliability high effect

Inactive Publication Date: 2019-01-11
成都市创斯德机电设备有限公司
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Problems solved by technology

[0002] Concrete building walls usually need to be tested for their surface impermeability performance after construction. The traditional testing method mainly uses sampling experiments, that is, samples are cut from multiple parts of the wall and then tested experimentally. Will cause a certain degree of damage, and the detection time is longer

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Embodiment Construction

[0011] All features disclosed in this specification, or steps in all methods or processes disclosed, may be combined in any manner, except for mutually exclusive features and / or steps.

[0012] Any feature disclosed in this specification, unless specifically stated, can be replaced by other alternative features that are equivalent or have similar purposes. That is, unless expressly stated otherwise, each feature is one example only of a series of equivalent or similar features.

[0013] A method for detecting the anti-seepage performance of building wall surfaces of the present invention comprises the following steps: A, first setting a water inlet pipe with a drain valve on the concrete wall surface, and the end face of the water inlet pipe is closely fitted to the concrete wall surface without water leakage; B, Then a certain volume of pure water is magnetically cut into active water with a small molecular structure, and then injected into the water inlet pipe at a pressure ...

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Abstract

The invention discloses a method for detecting impermeability of a building wall surface, comprising the following steps: A, firstly arranging a water inlet with a drain valve on the concrete wall surface, wherein the end face of the water inlet and the concrete wall surface are tightly fitted with not leaking; B, magnetically cutting pure water of certain volume into active water of small molecular structure, then injecting the active water into the water inlet at a pressure of 2-5 MPA, and maintaining at a pressure for 0.5-1 hour; C, closing the inlet pressure and opening the drain valve onthe water inlet to collect the remaining water and measure the volume thereof; and D, selecting multiple points on the concrete wall surface, and repeating the above steps for averaging to calculate the permeability index of the concrete wall surface. The method for detecting impermeability of a building wall surface provided by the invention performs high-pressure active water penetration by selecting different positions of the concrete wall surface, and calculates the permeability index of the concrete wall surface by measuring the change of water quantity, which is high in detecting efficiency and accuracy without destroying the wall body during the detection.

Description

technical field [0001] The invention relates to a building quality testing method, in particular to a building wall anti-seepage performance testing method. Background technique [0002] Concrete building walls usually need to be tested for their surface impermeability performance after construction. The traditional testing method mainly uses sampling experiments, that is, samples are cut from multiple parts of the wall and then tested experimentally. It will cause a certain degree of damage, and the detection time will be longer. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a method for detecting the anti-seepage performance of building walls, which can quickly detect the anti-seepage performance of the wall without cutting and sampling. [0004] In order to solve the above technical problems, the present invention adopts the following technical solutions: [0005] A method for detecting the anti-seepage pe...

Claims

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Application Information

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IPC IPC(8): G01N15/08
CPCG01N15/082
Inventor 高启新
Owner 成都市创斯德机电设备有限公司
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