Advanced Search
  • 全国中文核心期刊
  • 中国科技核心期刊
  • 美国工程索引（EI）收录期刊
  • Scopus数据库收录期刊
Volume 42 Issue S2
Turn off MathJax
Article Contents
Abstract
References
CAI Guo-qing, ZHANG Ce, HUANG Zhe-wen, LI Jun-lin, HOU Jian-long. Experimental study on influences of moisture content on shear strength of unsaturated loess[J]. Chinese Journal of Geotechnical Engineering, 2020, 42(S2): 32-36. DOI: 10.11779/CJGE2020S2006
Citation: CAI Guo-qing, ZHANG Ce, HUANG Zhe-wen, LI Jun-lin, HOU Jian-long. Experimental study on influences of moisture content on shear strength of unsaturated loess[J]. Chinese Journal of Geotechnical Engineering, 2020, 42(S2): 32-36. DOI: 10.11779/CJGE2020S2006
shu

Experimental study on influences of moisture content on shear strength of unsaturated loess

  • 1.

    Key Laboratory of Urban Underground Engineering of Ministry of Education, Beijing Jiaotong University, Beijing 100044, China

  • 2.

    School of Civil Engineering, Beijing Jiaotong University, Beijing 100044, China

More Information
  • Received Date: September 08, 2020
  • Available Online: December 07, 2022
    Graphical Abstract
    • Abstract
  • Determining the relationship between moisture content and shear strength is of guiding significance for engineering. The direct shear tests are carried out on the unsaturated loess samples with different moisture content and dry densities to study the shear strength of unsaturated loess, and the soil-water characteristic curve of unsaturated soil is determined by the method combining the dew point water potential meter and the filter paper method. Based on the researches on the microstructure of unsaturated soils, the influences of moisture content on the microstructure are analyzed. The test results show that as the moisture content increases, the shear strength of the soils decreases, and the increase in the moisture content reduces the cohesion of the soils and the internal friction angle, but has little effect on the internal friction angle. On this basis, the functional relationship between the moisture content and the shear strength index of unsaturated soils is analyzed, and then by analyzing the functional relationship between the moisture content in the soil-water characteristic curve and the matrix suction, a formula for the shear strength is proposed by regarding the matrix suction as the variable.
    • FullText(HTML)
    • References (9)
  • [1]
    DONALD I B. Shear strength measurements in unsaturated non-cohe-sive soils with negative pore pressure[C]//Proceedings of the 2nd Australia and New Zealand Conference on Soil Mechanics and Foundation Engineering, 1956.
    [2]
    BISHOP A W, ALPAN I, BLIGHT G E, et al. Factors controlling the shear strength of partly saturated cohesive soil[C]//ASCE Res Conf Shear Strength of Cohesive Soils. 1960, Boulder.
    [3]
    FREDLUND D G, MORGENSTERN N R, WILDGER R A. The shear strength of unsaturated soils[J]. Canadian Geotechnical Journal, 1978, 15(3): 313-321. doi: 10.1139/t78-029
    [4]
    党进谦, 李靖. 非饱和黄土的强度特征[J]. 岩土工程学报, 1997, 29(2): 59-64.

    DANG Jing-qian, LI Jing. Strength characteristicsof unsaturated loess[J]. Chinese Journal of Geotechnical Engineering, 1997, 29(2): 59-64. (in Chinese)
    [5]
    姚攀峰. 再论非饱和土的抗剪强度[J]. 岩土力学, 2009, 30(8): 2315-2318. https://www.cnki.com.cn/Article/CJFDTOTAL-YTLX200908022.htm

    YAO Pan-feng. Discussion on shear strength of unsaturated soils[J]. Rock and Soil Mechanics, 2009, 30(8): 2315-2318. (in Chinese) https://www.cnki.com.cn/Article/CJFDTOTAL-YTLX200908022.htm
    [6]
    凌华, 殷宗泽. 非饱和土强度随含水量的变化[J]. 岩石力学与工程学报, 2007(7): 1499-1503. https://www.cnki.com.cn/Article/CJFDTOTAL-YSLX200707026.htm

    LING Hua, YIN Zong-ze. Variation of unsaturated soil strength with water contents[J]. Chinese Journal of Rock Mechanics and Engineering, 2007(7): 1499-1503. (in Chinese) https://www.cnki.com.cn/Article/CJFDTOTAL-YSLX200707026.htm
    [7]
    蔡国庆, 张策, 李舰, 等. 考虑初始干密度影响的SWCC预测方法研究[J]. 岩土工程学报, 2018, 40(增刊2): 27-31.

    CAI Guo-qing, ZHANG Ce, LI Jian, et al. Study on prediction method of swcc considering initial dry density[J]. Chinese Journal of Geotechnical Engineering, 2018, 40(S2): 27-31. (in Chinese)
    [8]
    FREDLUND D G, XING A Q. Equations for soil- watercharacteristic curve[J]. Canadian Geotechnical Journal, 1994, 31: 521-532. doi: 10.1139/t94-061
    [9]
    汪东林, 栾茂田, 杨庆. 重塑非饱和黏土的土-水特征曲线及其影响因素研究[J]. 岩土力学, 2009, 30(3): 751-756. https://www.cnki.com.cn/Article/CJFDTOTAL-YTLX200903036.htm

    WANG Dong-lin, LUAN Mao-tian, YANG Qing. Experimental study of soil-water characteristic curve of remolded unsaturated clay[J]. Rock and Mechanics, 2009, 30(3): 751-756. (in Chinese) https://www.cnki.com.cn/Article/CJFDTOTAL-YTLX200903036.htm
    • Related Articles
  • Supplements (0)

  • Cited by

    Periodical cited type(28)

    1. 张凌凯，丁旭升，樊培培. 新疆北部重塑性黄土的力学特性规律及微观机制试验研究. 材料导报. 2025(03): 107-116 .
    2. 张宝琦，刘锋，刘震寰，耿利强，张西宁. 黄土高塬沟壑区土壤含水率对土壤抗剪强度的影响. 中国水土保持. 2025(02): 65-67+79 .
    3. 赵再昆，王铁行，金鑫，张亮. 高温作用下非饱和黄土水热迁移试验研究. 岩土工程学报. 2024(01): 151-161 . 本站查看
    4. 冯党，王闯，常兆广，贾旺，刘达. 含水量对膨胀土高填方渠堤土体剪切特性的影响研究. 中国农村水利水电. 2024(04): 152-157+164 .
    5. 冯忞，宋文捷. 含水率对残积土与土工织物界面剪切特性的影响. 华南地震. 2024(01): 157-164 .
    6. 王铁行，赵翊豪，金鑫. 喷射秸秆加筋黄土的强度特性研究. 地下空间与工程学报. 2024(03): 800-811 .
    7. 付冬平，王迪，刘飞禹. 考虑粗糙度影响的残积土-混凝土界面剪切特性研究. 科学技术与工程. 2024(24): 10411-10418 .
    8. 王雨萌，吴佳，章小龙，张潮，李国敏，宋建邦. 基于灰色关联与逐步回归的黄石市区岩土参数相关性研究. 辽宁工程技术大学学报(自然科学版). 2024(04): 417-424 .
    9. 慕焕东，何也，白逸松，邓亚虹，郑龙浩. 靖边Q_3砂质黄土湿陷特征及其微观机制研究. 岩土力学. 2024(10): 3024-3036 .
    10. 王之君，马彦杰，刘兴荣，黄金燕，李启润. 降雨冲刷条件下含水率变化对堆填黄土沟床侵蚀的影响. 中国水土保持科学(中英文). 2024(05): 31-40 .
    11. 王燕，刘杰，潘家冬，周耀福，蔡延山. 剪切作用下饱和原状与饱和重塑黄土力学特征. 交通科技与经济. 2024(06): 54-60 .
    12. 陈泽亮，许萍，房凌云，林青伟，柳智龙. 考虑土石混合体“颗粒破碎-剪切参数-含水率”相关性的力学特性研究. 应用力学学报. 2024(06): 1257-1268 .
    13. 葛俊，曹成茂，秦宽. 秸秆含量对土壤剪切性能影响的探究. 农机化研究. 2023(04): 202-206 .
    14. 郑文娇，韦杰，唐强，李进林，何颖. 紫色土埂坎根—土复合体土水特性与抗剪强度. 水土保持学报. 2023(04): 75-82 .
    15. 顾春生，唐鑫，朱常坤，陆志锋，刘涛，张其琪. 基于主成分分析法优化神经网络的滆湖组黏性土抗剪强度预测. 科学技术与工程. 2023(28): 11980-11989 .
    16. 李玉萍，樊宝云，董康冉，万金忠，艾英钵，王保田. 不同修复技术对石油烃污染粉质砂土工程特性影响室内试验研究. 岩土力学. 2023(10): 2833-2842 .
    17. 毛正君，耿咪咪，毕银丽，安宁. 紫花苜蓿-黄土复合体抗剪强度时间效应研究. 煤炭科学技术. 2023(11): 234-247 .
    18. 杨鹏，顾春生，董教社，胡洋，陈洋. 基于多元回归模型与信息熵的岩土参数预测. 地下空间与工程学报. 2023(06): 1782-1790+1808 .
    19. 周博，张彧，万宝峰，安宁. 含水率对黄土抗剪强度及边坡稳定性的影响. 青海交通科技. 2023(05): 73-79 .
    20. 侯乐乐，翁效林，李林，周容名. 考虑含水率影响的结构性黄土临界状态模型. 岩土力学. 2022(03): 737-748 .
    21. 贾元霞. 超前深孔劈裂注浆技术在高含水率黄土高铁隧道中的应用研究. 铁道标准设计. 2022(04): 138-143 .
    22. 王万平，张熙胤，王义，于生生，徐振江，孙斌洁. 季节冻土区黄土抗剪强度变化特征及其影响因素. 哈尔滨工业大学学报. 2022(08): 143-150 .
    23. 周豪，毛雪松，运志辉. 结合水对原状黄土抗剪强度的影响. 中国科技论文. 2022(07): 746-750 .
    24. 朱冬林，耿星月. 高路堤边坡快速综合评价模型研究. 路基工程. 2022(05): 35-41 .
    25. 刘先峰，马杰，袁胜洋，陈康，潘申鑫，郑立宁，胡熠. 干密度和含水率对压实红层泥岩路基填料强度特性的影响研究. 铁道科学与工程学报. 2022(10): 2910-2918 .
    26. 郑佳，庄建琦，孔嘉旭，付玉婷，牟家琦，王杰. 基于CT扫描的黄土孔隙结构特征研究. 地质科技通报. 2022(06): 211-222 .
    27. 简涛，孔令伟，柏巍，王俊涛，刘炳恒. 含水率对原状黄土小应变剪切模量影响的试验研究. 岩土工程学报. 2022(S1): 160-165 . 本站查看
    28. 龙建辉，张玲玲，邢鲜丽，郭晓娟. 基于温度路径的冻融作用下黄土强度及微观结构研究. 煤田地质与勘探. 2021(04): 242-249 .

    Other cited types(37)

Catalog

    Get Citation
    PDF
    XML
    Article views (307) PDF downloads (140) Cited by(65)
    Related
    Copyright © 2010 Editorial By Chinese Journal of Geotechnical Engineering 苏ICP备05007122号-11公安联网备案号：32010602011255
    Editorial Office address：34 Hujuguan,Nanjing 210024,ChinaPostal Code：210024Tel：025-85829534，85829556E-mail: ge@nhri.cn

    /

    DownLoad:  Full-Size Img  PowerPoint
    Return
    Return