高能级强夯在湿陷性黄土地区的应用  

Application of High Energy Level Dynamic Compaction in Collapsible Loess Region

作　　者：贺伟[1] 韩晓雷[1] 薛玉[1] 水伟厚 贾向新[3] 

机构地区：[1]西安建筑科技大学土木工程学院,陕西西安710055 [2]上海申元岩土工程有限公司,上海200011 [3]河北建设勘察研究院有限公司,河北石家庄050031

出　　处：《建筑科学与工程学报》2009年第2期121-126,共6页Journal of Architecture and Civil Engineering

摘　　要：根据8 0001、2 000 kN.m高能级强夯大面积处理地基加固的综合检测试验数据,结合室内试验数据及黄土地区的特殊性,得到了高能级强夯在黄土地区的有效加固深度、湿陷性处理效果;分析了高能级强夯处理湿陷性黄土的加固效果、加固深度及能级变化对地基处理效果的影响。结果表明:该研究为进一步分析高能级强夯的加固机理,尤其在湿陷性黄土地区的加固机理提供了依据,也为高能级强夯的大面积设计、施工和检测提供了优化数据。According to the comprehensive testing data of 8 000, 12 000 kN · m high energy level dynamic compaction dealing with large-scale foundation, combining with indoor laboratory test data and the characteristics of loess region, the conclusions were obtained due to the effective reinforcement depth and the effect of dealing with collapsible loess. The factors impacting reinforcement effect, reinforcement depth of dealing with collapsible loess and the effect of dealing with foundation were analyzed. The results show that the systematic and comprehensive study of high energy level provides the basis for further analysis of the mechanism of dynamic consolidation particularly in collapsible loess region, meanwhile, it can provide optimized data for the design,construction and testing of dynamic compaction in the large-area.

关 键 词：高能级强夯 湿陷性黄土 地基处理 标准贯入 加固机理 

分 类 号：TU411.8[建筑科学—岩土工程]