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武汉地区典型软土物理力学指标间的相关性研究

屈若枫, 徐光黎, 王金峰, 马郧, 李江龙, 冯双, 张方涛

屈若枫, 徐光黎, 王金峰, 马郧, 李江龙, 冯双, 张方涛. 武汉地区典型软土物理力学指标间的相关性研究[J]. 岩土工程学报, 2014, 36(zk2): 113-119. DOI: 10.11779/CJGE2014S2019
引用本文: 屈若枫, 徐光黎, 王金峰, 马郧, 李江龙, 冯双, 张方涛. 武汉地区典型软土物理力学指标间的相关性研究[J]. 岩土工程学报, 2014, 36(zk2): 113-119. DOI: 10.11779/CJGE2014S2019
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QU Ruo-feng, XU Guang-li, WANG Jin-feng, MA Yun, LI Jiang-long, FENG Shuang, ZHANG Fang-tao. Correlations of physical and mechanical properties of typical soft soils in Wuhan[J]. Chinese Journal of Geotechnical Engineering, 2014, 36(zk2): 113-119. DOI: 10.11779/CJGE2014S2019
Citation: QU Ruo-feng, XU Guang-li, WANG Jin-feng, MA Yun, LI Jiang-long, FENG Shuang, ZHANG Fang-tao. Correlations of physical and mechanical properties of typical soft soils in Wuhan[J]. Chinese Journal of Geotechnical Engineering, 2014, 36(zk2): 113-119. DOI: 10.11779/CJGE2014S2019
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武汉地区典型软土物理力学指标间的相关性研究  English Version

  • 1. 中国地质大学（武汉）工程学院,湖北 武汉 430074;
    2. 武汉地铁集团有限公司,湖北 武汉 430074;
    3. 中南勘察设计院(湖北)有限责任公司,湖北 武汉 430074

基金项目: 武汉市建设科研项目（201223）
详细信息
    作者简介:

    屈若枫(1988- ),男,湖北荆州人,博士研究生,主要从事岩土体稳定性、地基处理及基坑工程等方面的研究工作。E-mail: quruofeng@hotmail.com。

Correlations of physical and mechanical properties of typical soft soils in Wuhan

  • 1. Faculty of Engineering, China University of Geosciences Wuhan 430074, China;
    2. Wuhan Metro Group Co., Ltd., Wuhan 430074, China;
    3. Central Southern Geotechnical Design Institute Co., Ltd., Wuhan 430074, China

摘要

    摘要
  • 摘要: 武汉地区深基坑工程中的土体强度指标一般都是通过直接快剪试验获得,获得的参数往往较为独立,虽然较为简洁,但由于其较强的区域适用性以及未能模拟出土体的天然状态,由此得到的土体强度指标具有一定的局限性,且物理力学指标的相关性较为模糊。为了更好地研究武汉地区典型软土物理力学指标,以武汉地区软土深基坑工程为基础,研究基于武汉地区近10个典型软土深基坑工程共计400余组数据,对武汉地区软土物理力学参数性质进行了详细的研究。结合传统的数学分析方法,较为客观地分析了武汉地区工程地质特征、系统的分析了武汉地区深厚淤泥质土物理力学参数及其指标间的相关性,得出结论：典型软土层中物理指标天然密度、干密度、液限、塑限、饱和度等服从正态分布;在抗剪强度指标的统计分布规律中,在不同试验条件下,针对不同的土层,服从正态分布的物理量会随之发生一定的变化。
    Abstract: The shear strength indices of deep foundation pits in Wuhan area are generally acquired through direct shear tests. They are simple and locally applicable and fails to simulate the natural state of soils. Thus, the soil strength parameters obtained have certain limitation, and the correlations of physical and mechanical properties are also vague. In order to study the correlations of physical and mechanical properties of typical soft soils in Wuhan, based on the deep excavation of soft soils in Wuhan area, four hundred groups of data from 10 projects in Wuhan are adopted. Physical and mechanical parameters of soft soils in Wuhan are studied. Combined with the traditional methods of mathematical analysis, the engineering geological characteristics are investigated, and the correlations between the physical and mechanical parameters and their indices are analyzed. The results show the physical indices of typical soft soils, such as natural density, dry density, liquid limit, plastic limit and saturation, are in normal distribution. The statistical distribution of shear strength indices indicates that the normal distribution of physical parameters will change with different experimental conditions for different soils.
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    • 参考文献(9)
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出版历程
  • 收稿日期:  2014-07-27
  • 发布日期:  2014-07-27

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