Method for concrete impermeability test adopting rubber sleeve seal

A technology of impermeability test and rubber sleeve, which is applied in the direction of permeability/surface area analysis, measuring device, suspension and porous material analysis, etc. It can solve the problems of endangering the health of test personnel and air pollution, and achieve high work efficiency and overcome Waste, the effect of obvious social benefits

Inactive Publication Date: 2015-10-14
中震(北京)工程检测股份有限公司
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  • Abstract
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  • Application Information

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Problems solved by technology

These materials must be melted at high temperature before they can be used. In particular, paraffin wax contains benzene and other harmful substances. During the process of heating and dissolving, harmful substances will be decomposed at high temperature, causing air pollution and endangering the health of test personnel.

Method used

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  • Method for concrete impermeability test adopting rubber sleeve seal
  • Method for concrete impermeability test adopting rubber sleeve seal

Examples

Experimental program
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Embodiment Construction

[0017] A concrete impermeability test using a rubber sleeve seal, such as Figures 1 to 2 As shown, it includes an anti-permeability instrument 4, an anti-permeability test piece 2, a rubber sleeve 1 and a test piece set 3. The anti-seepage test piece 2 is covered with a sealing sleeve made of a rubber sleeve 1, and the anti-seepage test piece 2 covered with the rubber sleeve 1 is pressed into the test piece cover 3, and the test piece cover 3 is connected with the anti-seepage meter. The operating platform 5 on the 4 is fastened and connected with the nut 6 to ensure that no water leakage occurs at the bottom of the test piece during the experiment and will not affect the test effect. Wherein, the size of the impermeability test piece 2 adopts a circular frustum with a top diameter of 175mm, a bottom diameter of 185mm, and a height of 150mm;

[0018] The above-mentioned concrete impermeability test using rubber sleeve sealing adopts the following steps:

[0019] Step 1: Sta...

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PUM

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Abstract

Disclosed is a concrete impermeability test adopting rubber sleeve seal, which comprises an impervious instrument, impervious test pieces, rubber sleeves, and test piece sleeves. Each impervious test piece is sleeved by a sealing sleeve prepared by the rubber sleeve; the impervious test pieces sleeved by the rubber sleeves are pressed into the test piece sleeves; the test piece sleeves are in fastening connection with an operating table on the impervious instrument with nuts to protect the bottoms of the test pieces from water leakage to affect a test effect during a test process. The rubber sleeves are taken as sealing materials, and heating of test pieces and test moulds aren't needed. The rubber sleeves are simple and convenient to operate and high in work efficiency, and can be used repeatedly. The method is saved in cost, can protect the environment, and has a wide popularization value.

Description

technical field [0001] The invention relates to a concrete impermeability test method, which belongs to the technical field of detection of building materials. Background technique [0002] The impermeability of concrete is an important durability index of concrete and one of the main testing items in various laboratories. In the concrete impermeability test, if the seal between the specimen and the specimen sleeve is not well sealed, as the test water pressure continues to increase, water will seep out from the periphery of the specimen, which will affect the test results and need to be re-sealed for testing. Therefore, it is particularly important to seal the test piece. Commonly used sealing materials are mainly a mixture of paraffin and rosin or a mixture of butter and talcum powder for sealing. Although this sealing material has a good sealing effect in the test, it also has some disadvantages. These materials must be melted at high temperature before they can be used...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N15/08
Inventor 董有贾正华龚瑞荣潘沂华
Owner 中震(北京)工程检测股份有限公司
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