钻孔桩钻渣用于路基回填性能研究  

Study on the performance of drilling pile and drilling slag used for roadbed backfilling

作　　者：张彦东 贺启强 邱晔波 ZHANG Yandong;HE Qiqiang;QIU Yebo(China Railway No.5 Engineering Group Chengdu Engineering Co.,Ltd.,Chengdu 610000,China)

机构地区：[1]中铁五局集团成都工程有限责任公司,四川成都610000

出　　处：《四川建材》2025年第4期203-206,共4页Sichuan Building Materials

摘　　要：为全面研究钻孔废渣作为路基回填材料的可行性和性能,依托204国道阜宁至亭湖项目,对项目施工产生的钻孔废渣进行试验研究。通过土工试验测出土的塑液限,计算出塑性指数判定土壤类型为底液限黏土,通过击实试验得出了土的最大干密度和最佳含水量。通过添加石灰形成石灰稳定土增加土体稳定性与强度,进行多组对照试验,探究出不同石灰剂量下石灰稳定土最佳含水量与最大干密度的变化。In order to solve the problem of drilling pile waste recycling,relying on the 204 national highway Funing to Tinghu project,the drilling waste generated by the project construction was studied and tested.Through screening and other pre-treatment,the original soil with single composition was obtained.The plastic liquid limit of the soil was measured by geotechnical test,and the plastic index was calculated to determine that the soil type was bottom liquid limit clay.The maximum dry density and optimum water content of the soil were obtained by compaction test.The stability and strength of soil are increased by adding lime to form lime stabilized soil.The changes of optimum water content and maximum dry density of lime stabilized soil under different lime dosages were explored by multiple sets of control tests.

关 键 词：钻孔废渣 土工试验 击实试验 

分 类 号：TU43[建筑科学—岩土工程] U416.1[建筑科学—土工工程]