三点击实法在大藤峡高液限黏土施工的可行性研究  

Feasibility study of three-point compaction method in Datengxia high-liquid limit clay construction

作　　者：陈佳培 任磊 李虎强 CHEN Jiapei;REN Lei;LI Huqiang(Nanjing Water Conservancy Construction Engineering Co.Ltd.,Nanjing 210000,China;China Gezhouba Group Electric Power Co.Ltd.,Yichang 443000,China)

机构地区：[1]南京市水利建筑工程有限公司,江苏南京210000 [2]中国葛洲坝集团电力有限责任公司,湖北宜昌443000

出　　处：《水利建设与管理》2021年第11期69-74,共6页Water Conservancy Construction and Management

摘　　要：南木江副坝坝体心墙黏土料填筑总量较大,料场(下游引航道)分布较广,不同取料场黏土料性质差异较大,为此本工程开展研究性碾压试验,研究三点击实法用于高液限黏土施工质量控制的可行性、土料压实后的各种力学及变形参数,以及高液限黏土填料含水率变化对压实性能的影响。该试验研究的开展,有助于全面了解备料场土料的基本性质,并为南木江副坝坝体填筑提供具有指导意义的科学依据。Nanmujiang auxiliary dam core wall has large clay material filling amount.The material yards are widely distributed(downstream approaches).The clay material properties are different in different material yards,so research rolling tests are conducted in the project.The feasibility of the three-point compaction method in high-liquid limit clay construction quality control,various mechanics and deformation parameters after soil material compaction,and the influence of high liquid limit clay filler water content rate change on the compaction performance are studied.The development of test research is beneficial for comprehensively comprehending the basic properties of soil materials in the material preparation sites.It provides guiding scientific basis for the filling of Nanmujiang auxiliary dam.

关 键 词：三点击实法 高液限黏土 黏土心墙 

分 类 号：TV523[水利工程—水利水电工程]