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基于室内土工试验,针对目前国内外常用的2种透明土材料(熔融石英砂和烘烤石英砂)与混凝土材料之间接触面的摩擦力学特性开展研究,着重分析混凝土温度变化对透明土-混凝土材料接触面摩擦力学特性的影响规律;为了对比分析,开展相同情况下砂土-混凝土材料接触面摩擦力学特性室内试验。研究结果表明,熔融石英砂和烘烤石英砂两种透明土材料-混凝土材料接触面摩擦力学特性与砂土材料-混凝土材料接触面摩擦力学特性相似,说明该2种透明土材料可以较好地模拟天然砂土-混凝土材料接触面特性;温度因素对透明土材料-混凝土材料接触面摩擦力学特性有一定影响,但影响并不明显。
Based on the indoor geotechnical test, aiming at the frictional mechanical properties of the contact surfaces between two kinds of transparent soil materials (fused quartz sand and baked quartz sand) commonly used at home and abroad and concrete materials, the paper analyzes the influence of concrete temperature on transparent soil-concrete In order to compare and analyze, carry out the indoor test of the frictional mechanical properties of the sand-concrete interface under the same conditions. The results show that the frictional mechanical properties of the two transparent soil-binder materials of fused silica sand and baked quartz sand are similar to the frictional mechanical properties of the contact surface of sand-concrete material, indicating that the two kinds of transparent soil material can be better Simulation of natural sand - concrete contact surface characteristics; temperature factors on the contact surface of transparent soil - concrete friction mechanical properties have an impact, but the impact is not obvious.