• 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
Huang Wei, Zhong Li, Qian Zhendong. Fuzzy judgment about the grade of shrink and expansion for the expansive soil in the subgrade[J]. Chinese Journal of Geotechnical Engineering, 1999, 21(4): 408-413.
Citation: Huang Wei, Zhong Li, Qian Zhendong. Fuzzy judgment about the grade of shrink and expansion for the expansive soil in the subgrade[J]. Chinese Journal of Geotechnical Engineering, 1999, 21(4): 408-413.

Fuzzy judgment about the grade of shrink and expansion for the expansive soil in the subgrade

More Information
  • Published Date: July 22, 1999
  • The swell shrink grade judgment of expansive soil is an important work for engineering construction in the expansive soil area. Based on the analysis of the existing swell shrink grade judgment methods and standards, this paper presents a fuzzy judgment model, including three performance indexes indirectly reflecting the expansion and shrink of soil such as liquid limit, plasticity index I p and shrink limit, and four direct relative indexes such as free expansion ratio F s, swell shrink ratio P c, swell shrink ratio e p50 under the pressure of 50 kPa and swell shrink total ratio e ps . The number of judgment indexes can be reduced under special condition, but that of indirect indexes should not be less than two, or that of direct indexes should not be less than three in shortage of indircet indexes. According to the theoretical analysis and experimental data, the weight of each index is established. The useful computer software of the judgment model has been programmed, and the method in the paper is proved credible through the calculation analysis and engineering test.
  • Related Articles

    [1]SUN De'an. Mechanical behaviors and constitutive model for unsaturated soils[J]. Chinese Journal of Geotechnical Engineering, 2023, 45(1): 1-23. DOI: 10.11779/CJGE20221450
    [2]WANG Chun-ying, CAI Guo-qing, HAN Bo-wen, SU Yan-lin, LI Meng-zi, LI Jian. A structural bounding surface constitutive model for unsaturated soils and its verification[J]. Chinese Journal of Geotechnical Engineering, 2022, 44(S1): 148-153. DOI: 10.11779/CJGE2022S1027
    [3]LI Wu-gang, YANG Qing, LIU Wen-hua, YANG Gang, SUN Xiu-li. Structured quantitative characterization and elastoplastic constitutive model of clay[J]. Chinese Journal of Geotechnical Engineering, 2022, 44(4): 678-686. DOI: 10.11779/CJGE202204010
    [4]CHEN Sheng-shui, FU Zhong-zhi, SHI Bei-xiao, YUAN Jing. Elastoplasticity constitutive model considering loading-induced deformation and creep behavior of coarse granular soils and its application[J]. Chinese Journal of Geotechnical Engineering, 2019, 41(4): 601-609. DOI: 10.11779/CJGE201904001
    [5]SONG Li, LIAO Hongjian, HAN Jian. Three-dimensional nonlinear elastic viscoplastic constitutive model of soft rock[J]. Chinese Journal of Geotechnical Engineering, 2009, 31(1): 83-88.
    [6]ZHOU Jianting, LIU Yuanxue. Constitutive model for isotropic damage of geomaterial[J]. Chinese Journal of Geotechnical Engineering, 2007, 29(11): 1636-1641.
    [7]ZHANG Ga, ZHANG Jianmin. Unified modeling of soil-structure interface and its test confirmation[J]. Chinese Journal of Geotechnical Engineering, 2005, 27(10): 1175-1179.
    [8]CAO Xueshan. Elastoplastic constitutive model of unsaturated expansive soils[J]. Chinese Journal of Geotechnical Engineering, 2005, 27(7): 832-836.
    [9]LU Zaihua, CHEN Zhenghan. An elastoplastic damage constitutive model of unsaturated undisturbed expansive soil[J]. Chinese Journal of Geotechnical Engineering, 2003, 25(4): 422-426.
    [10]WU Wenhua, LI Xikui. Constitutive model and numerical simulation of thermo-hydro-mechanical behavior in unsaturated soils[J]. Chinese Journal of Geotechnical Engineering, 2002, 24(4): 411-416.

Catalog

    Article views (1308) PDF downloads (289) Cited by()
    Related

    /

    DownLoad:  Full-Size Img  PowerPoint
    Return
    Return