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聚苯乙烯泡沫塑料减荷力学性能试验

, PP. 18-23

Keywords: 道路工程,聚苯乙烯泡沫塑料,力学性能,路堤,涵洞,减荷

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Abstract:

以兰州―海石湾高速公路中的某一高填路堤涵洞工程为依托,通过室内压缩试验和蠕变试验,对不同密度的聚苯乙烯泡沫塑料(EPS)轻质材料,进行了有侧限、无侧限影响下的应力应变及蠕变性能的分析,并对不同厚度的EPS材料在工程应用中的减荷性状进行了研究。结果表明密度较小的EPS材料不适合作为优化路堤等工程填料的替代品;有侧限影响时EPS材料达到屈服阶段的应力值较无侧限时要高;密度适中且具有一定厚度的EPS材料在工程应用中能起到良好的减荷作用。

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