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XIANGJIAOTIANCHONGYOUZHUYAOYINGYONGYU：XIANGJIAOBAN，XIANGJIAOQICHELINGBUJIAN，FANGHUADIANDENG；HEXIANGJIAO...

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防水卷材用油的拉伸性能及趋势

为了把握服役状态下防水卷材的拉伸性能并对其加以评价，本研究以防水卷材用油为研究对象，以初始拉伸率、环境温度、持荷时间为参数，   先进行卷材的应力松弛特性的实验研究，基于三元件模型对本研究的实验数据分析获得的模型参数规律建立防水卷材的应力松弛计算式，并与实验结果比较考察其妥当性；其次，提出通过控制初始拉伸率评价防水卷材在持续荷载作用后拉伸性能变化的实验方法，系统地评价不同参数下防水卷材的拉伸性能。

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