人民黄河Issue(11)：118-121,4.DOI:10.3969/j.issn.1000-1379.2015.11.030
水泥砾质土压实特性试验研究
Experiment Research on Compaction Behavior of Cement-Gravel Soil
摘要
Abstract
Because cement-gravel soil has the advantages of high deformation modulus, low compressibility and high anti-permeability performance, it can effectively reduce the core wall deformation and improve the core wall stress state of high earth-rockfill dam. But little attention pays on compaction characteristics of the material now. This paper studied the compaction characteristics of cement-gravel soil with different cement mixing ratios and gravel contents through compaction test. The test results show that under the same gravel content maximum dry density and the optimum water content of cement-gravel soil with different cement contents is lower than that of gravelly soil. The maximum dry density of cemented-gravel soil shows a decreasing tendency with cement mixing ratio increasing. However, the decreased degree of the maximum dry density is less than one percent. The optimum water content of cemented-gravel soil shows a growing tendency with cement mixing ratio increasing. However, the optimum water content of cemented-gravel soil is always lower than that of gravelly soil.关键词
水泥砾质土/压实特性/水泥掺入比/高土石坝Key words
high earth-rockfill dam/cemented-gravel soil/compaction property/cement mixing ratio分类
建筑与水利引用本文复制引用
刘忠,赵磊,鲁立三,王荆,丁永辉..水泥砾质土压实特性试验研究[J].人民黄河,2015,(11):118-121,4.基金项目
中央级公益性科研院所基本科研业务费专项(HKY-JBYW-2014-03)。 （HKY-JBYW-2014-03）
