IR
Deep soaking test study of collapsible loess foundation controlling remnant collapse
Yao, Zhihua1,2; Huang, Xuefeng1,3; Chen, Zhenghan1,3; Fang, Xiangwei1; Miao, Qiangqiang1
2013-07-01
发表期刊Yanshilixue Yu Gongcheng Xuebao/Chinese Journal of Rock Mechanics and Engineering
ISSN10006915
卷号32期号:SUPPL.2页码:4010-4018
摘要A site of self-weight collapse loess with heavy section is treated by four treating depths of lime soil(pure soil) compaction pile; and beneath the compaction reign, deep soaking test on the untreated loess is carried out in order to research the law of collapse deformation, treating depth and reasonable limit of remnant collapse of the self- weight collapse loess with heavy section in this soaking condition. The results show that, when the foundation of self-weight collapse loess with heavy section is treated with lime soil and pure soil, the compaction effects of lime soil and pure soil have little difference. In case of deep soaking, the deformation in treated region with 6-15 m depths cannot meet loess code's demands about upper load and presents a triple-section law: stable in the first test stage, slowly decreasing in middle stage, and suddenly dropping in later stage. According to the correlated researches of field soaking tests and neutral point of pile foundation, the concept of critical collapsibility depth of self-weight collapse loess with heavy section has been proposed firstly; and the critical depth is set as 20-25 m temporarily. In this way, the remnant collapse of deep loess layer can be decreased to certain degree; and the aim to limit treating depth of loess foundation is achieved. It is suggested that 15-20 and 10-15 m can be set respectively as the maximum treating depth of class B and C building in self-weight collapse loess area with heavy section.
关键词C (programming language) Compaction Deformation Foundations Lime Sediments Soil mechanics Soils Collapse loess Collapsible loess foundation Compaction effect Compaction piles Loess foundations Remnant collapse Soaking conditions Soaking test
收录类别EI
语种中文
出版者Academia Sinica
EI入藏号20134817040348
EI主题词Piles
EI分类号408.2 Structural Members and Shapes - 483 Soil Mechanics and Foundations - 723.1.1 Computer Programming Languages - 804.2 Inorganic Compounds
来源库Compendex
分类代码408.2 Structural Members and Shapes - 483 Soil Mechanics and Foundations - 723.1.1 Computer Programming Languages - 804.2 Inorganic Compounds
文献类型期刊论文
条目标识符https://ir.lut.edu.cn/handle/2XXMBERH/113753
专题兰州理工大学
作者单位1.Department of Civil Engineering, Logistical Engineering University, Chongqing 401311, China;
2.The 7th Engineering Corps of China Airport Construction, Baoji, Shaanxi 721000, China;
3.School of Civil Engineering, Lanzhou University of Science and Technology, Lanzhou, Gansu 730030, China
推荐引用方式
GB/T 7714
Yao, Zhihua,Huang, Xuefeng,Chen, Zhenghan,et al. Deep soaking test study of collapsible loess foundation controlling remnant collapse[J]. Yanshilixue Yu Gongcheng Xuebao/Chinese Journal of Rock Mechanics and Engineering,2013,32(SUPPL.2):4010-4018.
APA Yao, Zhihua,Huang, Xuefeng,Chen, Zhenghan,Fang, Xiangwei,&Miao, Qiangqiang.(2013).Deep soaking test study of collapsible loess foundation controlling remnant collapse.Yanshilixue Yu Gongcheng Xuebao/Chinese Journal of Rock Mechanics and Engineering,32(SUPPL.2),4010-4018.
MLA Yao, Zhihua,et al."Deep soaking test study of collapsible loess foundation controlling remnant collapse".Yanshilixue Yu Gongcheng Xuebao/Chinese Journal of Rock Mechanics and Engineering 32.SUPPL.2(2013):4010-4018.
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