›› 2007, Vol. 28 ›› Issue (8): 1525-1532.

• Fundamental Theroy and Experimental Research •     Next Articles

Study on mechanism of micro-failure of structured soils

LI Jian-hong, SHEN Zhu-jiang   

  1. Department of Hydraulic and Hydropower Engineering, Tsinghua University, State Key Laboratory of Hydroscience and Engineering, BeiJing 100084, China
  • Received:2005-09-07 Online:2007-08-10 Published:2013-10-15

PDF (PC)

1175

Abstract: Based on previous study, the authors deduced the three-dimensional relationship between micro-contact force and the macro-stress on convex polyhedron. Meanwhile the authors proposed the way dealt with the structured soils through investigating the properties of soil fabric and bonding between soil granulae. Following the conception of binary medium of structured soils presented by SHEN Zhu-jiang, this paper presents three models of failure of bonding under macro-stress and provides the equation for iterative calculation to derive the macro-compliance tensor. As an example, the structured soil behavior with the isotropic bonding and isotropic fabric under the isotropic loading has been studied and the closed-form solution of the failure development and the stress relationship has been derived. The investigations show that the failure of structured soils is caused by both of micro-shearing and micro-tension, which is corresponding with the real experimental study.

Key words: structured soils, micro-contact force, fabric, models of failure

CLC Number: 

  • TU 443
  • Please send e-mail to pingzhou3@126.com if you would like to read full paper in English for free. Parts of our published papers have English translations.
[1] ZHANG Sheng, WANG Long-fei, CHANG Xu, WANG Dong-kun, WANG Xiao-liang, QIAO Yang, . Experimental study of size effect of fracture toughness of limestone using the notched semi-circular bend samples [J]. Rock and Soil Mechanics, 2019, 40(5): 1740-1749.
[2] GUO Shuai-jie, SONG Xu-guo, . Jacking resistance evaluation method of prefabricated diaphragm wall based on laboratory experiment [J]. Rock and Soil Mechanics, 2019, 40(1): 269-274.
[3] HUANG Zheng-hong, DENG Shou-chun, LI Hai-bo, YU Chong,. Tensile tests on plate specimens with bilateral asymmetric cracks [J]. , 2018, 39(S1): 267-274.
[4] OU Xiao-duo, QUAN Shou-yue, PENG Yuan-sheng, JIANG Jie, Lü Bo, JIANG Hua，. Design and test of a new type prefabricated supporting structure for foundation pit [J]. , 2018, 39(9): 3433-3439.
[5] LIU Yue-dong, LIN Jian, FENG Yan-jun, SI Lin-po，. Research on tensile strength of rock based on hydraulic fracturing method [J]. , 2018, 39(5): 1781-1788.
[6] LI Xue-feng, HE Yu-qi, LIU Jin-feng , HE Wei-gang，. Quantitative analysis of amplitude parameters for orthotropic fabric sand [J]. , 2017, 38(12): 3619-3626.
[7] YOU Zi-pei, QIAN Jian-gu, HUANG Mao-song, . Discrete element simulation of cyclic simple shear behavior of sandy soil with constant amplitude of shear strain [J]. , 2017, 38(1): 263-271.
[8] ZHANG Duo , LIU Yang , WU Shun-chuan , . Simulation of strength characteristics of granular materials in true triaxial test for different stress paths and its mesoscopic mechanism analysis [J]. , 2016, 37(S1): 509-520.
[9] WU Yue, YANG Zhong-xuan, XU Chang-jie,. Effects of initial fabric anisotropy on mechanical behavior and critical state of granular soil [J]. , 2016, 37(9): 2569-2576.
[10] LI Bo，HUANG Mao-song，. Discrete element simulation for torsional shear test by hollow cylinder apparatus [J]. , 2016, 37(4): 1161-1170.
[11] NI Jing , ZHU Ying , CHEN You-liang , DU Xi , RUJIKIATKAMJORN Cholachat，. Cumulative pore water pressure behaviour of soft clays installed with prefabricated vertical drains under cyclic loads [J]. , 2016, 37(2): 383-389.
[12] ZHANG Tao , LIU Song-yu , CAI Guo-jun , . Research on settlement of soft soil ground in Taihu [J]. , 2015, 36(S1): 253-259.
[13] SUN Xu-shu ，LI Jian-lin ，WANG Le-hua ，BAI Jun-lei ，JIANG Zhao-rong,. Experimental research on anisotropic mechanical characteristic of samples with single prefabricated joint [J]. , 2014, 35(S1): 29-34.
[14] JIANG Jing-shan , CHENG Zhan-lin , ZUO Yong-zhen , DING Hong-shun,. CT triaxial rheological test on coarse-grained soils [J]. , 2014, 35(9): 2507-2514.
[15] Lü Shi-zhan，WANG Ren，HU Ming-jian，A Ying，ZHOU Bin. Computerized tomography (CT) scanning test research on intact moraine soil on west side of Yulong snow mountain [J]. , 2014, 35(6): 1593-1599.
Viewed
Full text


Abstract

Cited
  Shared   
  Discussed   
[1] TAO Gan-qiang, YANG Shi-jiao, REN Feng-yu. Experimental research on granular flow characters of caved ore and rock[J]. , 2009, 30(10): 2950 -2954 .
[2] ZHANG Wen-jie，CHEN Yum-min. Pumping tests and leachate drawdown design in a municipal solid waste landfill[J]. , 2010, 31(1): 211 -215 .
[3] GONG Wei-li, AN Li-qian, ZHAO Hai-yan, MAO Ling-tao. Multiple scale characterization of CT image for coal rock fractures based on image description[J]. , 2010, 31(2): 371 -376 .
[4] WAN Zhi, DONG Hui, LIU Bao-chen. On choice of hyper-parameters of support vector machines for time series regression and prediction with orthogonal design[J]. , 2010, 31(2): 503 -508 .
[5] SUN Xi-yuan, LUAN Mao-tian, TANG Xiao-wei. Study of horizontal bearing capacity of bucket foundation on saturated soft clay ground[J]. , 2010, 31(2): 667 -672 .
[6] WANG Ming-nian, GUO Jun, LUO Lu-sen, Yu Yu, Yang Jian-min, Tan Zhon. Study of critical buried depth of large cross-section loess tunnel for high speed railway[J]. , 2010, 31(4): 1157 -1162 .
[7] HU Yong-gang, LUO Qiang, ZHANG Liang, HUANG Jing, CHEN Ya-mei. Deformation characteristics analysis of slope soft soil foundation treatment with mixed-in-place pile by centrifugal model tests[J]. , 2010, 31(7): 2207 -2213 .
[8] TAN Feng-yi, Jiang Zhi-quan, Li Zhong-qiu, YAN Hui-he. Application of additive mass method to testing compacted density of filling material in Kunming new airport[J]. , 2010, 31(7): 2214 -2218 .
[9] CHAI Bo, YIN Kun-long, XIAO Yong-jun. Characteristics of weak-soft zones of Three Gorges Reservoir shoreline slope in new Badong county[J]. , 2010, 31(8): 2501 -2506 .
[10] WANG Xue-wu，XU Shang-jie，DANG Fa-ning，CHENG Su-zhen. Analysis of stability of dam slope during rapid drawdown of reservoir water level[J]. , 2010, 31(9): 2760 -2764 .
Copyright © Rock and Soil Mechanics, All Rights Reserved.
Tel: 027-87198484, 87199252, 87199253, 87198752　E-mail: ytlx@whrsm.ac.cn
Powered by Beijing Magtech Co. Ltd