IR
Field Testing of Earth Pressures in a Large-scale Natural Loess Slope
Kong, Yang1,2,3; Ruan, Huai-ning1,2,3; Huang, Xue-feng4,5; Zhu, Zhen-de1,2,3
2018-07
发表期刊KSCE JOURNAL OF CIVIL ENGINEERING
ISSN1226-7988
卷号22期号:7页码:2266-2273
摘要An in-situ large-scale earth pressure test was undertaken in a natural loess slope in Lanzhou, China. A 14.5-m-high natural slope was gradually cut into a vertical slope through a series of eight slope cutting work conditions. By pre-installing re-bar meters and cutting slope unloading, the real earth pressure distribution law and potential slip surface development mechanism, along with the variation of the Slope Cutting Depth (SCD), were obtained under the condition that each point in the free surface can move independently and freely. Earth pressure increases slowly at first and then decreases sharply along the Slope Excavating Depth (SED). The increase rate for 9.0 to 10.4 m is 3 to 4 times as much as the former conditions, so the self-stability height of the slope is 9.0 to 10.4 m. The unsaturated natural loess shear outlet of the slope is always located at the H/3 (where H is the natural slope height) position, so the slip surface does not pass through the bottom of the slope. The measured values of unsaturated vertical slope earth pressures are far less than the values calculated by Rankine's earth pressure theory-especially the size and position of the maximum earth pressure.
关键词natural loess slope earth pressure in-situ testing cutting slope
DOI10.1007/s12205-017-0339-x
收录类别SCI
语种英语
资助项目National Natural Science Foundation of China[51579081]
WOS研究方向Engineering
WOS类目Engineering, Civil
WOS记录号WOS:000436440900014
出版者KOREAN SOCIETY OF CIVIL ENGINEERS-KSCE
引用统计
被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符https://ir.lut.edu.cn/handle/2XXMBERH/32587
专题兰州理工大学
通讯作者Huang, Xue-feng
作者单位1.Hohai Univ, Inst Geotech Res, Nanjing 210098, Jiangsu, Peoples R China
2.Hohai Univ, Key Lab, Minist Educ Geomech & Embankment Engn, Nanjing 210098, Jiangsu, Peoples R China
3.Hohai Univ, Jiangsu Res Ctr Geotech Engn Technol, Nanjing 210098, Jiangsu, Peoples R China
4.Logist Engn Univ, Dept Architectural Engn, Chongqing 401331, Peoples R China
5.Lanzhou Univ Technol, Sch Civil Engn, Lanzhou 730050, Gansu, Peoples R China
通讯作者单位兰州理工大学
推荐引用方式
GB/T 7714
Kong, Yang,Ruan, Huai-ning,Huang, Xue-feng,et al. Field Testing of Earth Pressures in a Large-scale Natural Loess Slope[J]. KSCE JOURNAL OF CIVIL ENGINEERING,2018,22(7):2266-2273.
APA Kong, Yang,Ruan, Huai-ning,Huang, Xue-feng,&Zhu, Zhen-de.(2018).Field Testing of Earth Pressures in a Large-scale Natural Loess Slope.KSCE JOURNAL OF CIVIL ENGINEERING,22(7),2266-2273.
MLA Kong, Yang,et al."Field Testing of Earth Pressures in a Large-scale Natural Loess Slope".KSCE JOURNAL OF CIVIL ENGINEERING 22.7(2018):2266-2273.
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