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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 >INFLUENCES ON THE ADHESION QUALITY OF EPOXY COATINGS ON CONCRETE
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INFLUENCES ON THE ADHESION QUALITY OF EPOXY COATINGS ON CONCRETE

机译：对环氧涂料对混凝土粘结质量的影响

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摘要

Within several research projects extensive investigations on the adhesion of epoxy coatings on humid and wet concrete were carried out. This paper deals with the evaluation of parameters affecting the adhesion based on this investigations. Additional to influences of cement type and grade of humidity during the coating application, the ambient temperature during the curing of the resins could be pointed out as a main factor for the adhesion quality. Allowing two days of curing at 23℃ led to significantly better adhesion characteristics than a constant temperature of 8℃. This leads to the following recommendations for the work on site: 1. Coating measures should be postponed, when there is no chance for several hours of curing at appropriate temperatures within the first days after application. 2. If possible, a surface heating during the first hours of curing should be taken into account.
机译：在几个研究项目中，对环氧涂料在潮湿和潮湿的混凝土上的附着力进行了广泛的研究。在此基础上，本文对影响附着力的参数进行了评估。除了在涂布过程中水泥类型和湿度等级的影响外，树脂固化过程中的环境温度也可以作为影响粘合质量的主要因素。与在8℃的恒定温度下相比，在23℃下固化两天可显着改善粘合性能。因此，对现场工作提出了以下建议：1.如果在施工后的头几天在适当的温度下没有几小时的固化时间，则应推迟涂覆措施。 2.如果可能的话，应考虑在固化的最初几个小时内要进行表面加热。

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