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为了研究道路高分子聚合物密封胶(后简称密封胶)在低温下的失效成因,采用美国ASTM规范规定的实验方法,对自主研制的密封胶进行的低温循环拉伸试验,模拟路用荷载条件,检验密封胶在周期性变温条件下的粘结性,为路用密封胶在低温下的失效成因提供科学的评价指标。
In order to study the cause of failure of road polymer sealant (later referred to as sealant) at low temperature, the low temperature cyclic tensile test of self-developed sealant was carried out by using the test method stipulated by American ASTM specification, , To test the sealant in the cyclical temperature conditions of adhesion, road sealant failure causes at low temperatures provide a scientific evaluation index.