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首页> 外文会议>2nd International RILEM Symposium on Adhesion between Polymers and Concrete, 2nd, Sep 14-17, 1999, Dresden, Germany >IN-SITU TESTING OF ADHESION BETWEEN POLYMER-MODIFIED BITUMINOUS WATERPROOFING MEMBRANES AND CONCRETE
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IN-SITU TESTING OF ADHESION BETWEEN POLYMER-MODIFIED BITUMINOUS WATERPROOFING MEMBRANES AND CONCRETE

机译：聚合物改性的防潮防水膜与混凝土之间的粘合原位测试

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摘要

In Switzerland as in Germany, the tensile adhesion test is commonly carried out to evaluate adhesion between polymer-modified bituminous waterproofing membranes (PBM) and concrete in-situ. As a supplemental method, 90°peel test has been also carried out at EMPA over a decade. Recently, an apparatus suitable for the laboratory testing has been developed to study the adhesion mechanism under a controllable climate condition in regard with the in-situ test results. In this paper, the latest experiences from EMPA concerning the in-situ adhesion testings, i.e. tensile adhesion and 90°peel tests, are summarised. Parameters influencing 90°peel strengths, such as peel rate and testing temperature, are discussed based on the results obtained by the laboratory test. The discussion includes a comparison of the results obtained by the 90°peel test with the tensile adhesion test. It may contribute to the standardisation of the in-situ 90°peel test as a Swiss Standard SIA 281/2. As a supplementary method to the mechanical tests, in-situ non-destructive test method using infrared-thermography is introduced to detect the insufficiently adhered membranes, which will possibly result in blistering.
机译：在瑞士和德国一样，通常进行拉伸粘合力测试以评估聚合物改性的沥青防水卷材（PBM）与原位混凝土之间的粘合力。作为一种补充方法，十年来，EMPA还进行了90°剥离测试。最近，已经开发出一种适合实验室测试的设备，以就现场测试结果研究可控气候条件下的粘附机理。在本文中，总结了EMPA关于现场附着力测试的最新经验，即拉伸附着力和90°剥离测试。根据实验室测试的结果，讨论了影响90°剥离强度的参数，例如剥离速率和测试温度。讨论内容包括将90°剥离测试与拉伸粘合力测试获得的结果进行比较。作为瑞士标准SIA 281/2，它可能有助于现场90°剥离试验的标准化。作为机械测试的补充方法，引入了使用红外热成像的原位非破坏性测试方法来检测粘附不充分的膜，这可能会导致起泡。

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