摘要
以现场标贯试验和室内土工测试试验数据为基础,针对长江航道整治工程区域土体的物理力学指标相关性进行整理、分析。分析结果表明研究区域内随着土层深度的增加,土体的标贯N值、土体的内摩擦角等指标逐渐增大,该区域土体标贯N值与该区域土体的内摩擦角呈幂函数关系,土体的标贯N值与土体的压缩模量以及地基承载能力呈正比关系。最终给出了该工程区域土体标贯指标N值与土体内摩擦角、压缩模量以及地基承载力的关系式,为长江航道整治工程提供了科学的理论依据及数据支撑。
Based on the data of standard penetration test and indoor geotechnical test,the correlation of physical and mechanical indexes of soil in Yangtze River waterway regulation project area was sorted out and analyzed.The results show that with the increase of soil depth,the SPT index and internal friction angle of soil increase.The relationship between the SPT N value and the internal friction angle of the soil in the project area is power function,and meanwhile it is directly proportional to the deformation modulus of the soil and the bearing capacity of the foundation.The relationship between SPT index N and internal friction angle,compression modulus and foundation bearing capacity is given in the research results,which provides scientific theoretical basis and data support for the Yangtze River waterway regulation project.
作者
李中华
周明坡
刘晓强
田栋
李明益
LI Zhong-hua;ZHOU Ming-po;LIU Xiao-Qiang;TIAN Dong;LI Ming-yi(CCCC-Tianjin Dredging Co.Ltd., Tianjin 300450, China;CCCC Tianjin Dredging Harbor Construction Engineering Co. Ltd., Tianjin 300450, China;Tianjin Research Institute for Water Transport Engineering, M.O.T.,Tianjin 300456, China;Changjiang Waterway Bureau, Wuhan 430010,China)
出处
《水道港口》
2020年第6期720-724,共5页
Journal of Waterway and Harbor
基金
国家自然科学基金资助项目(51979132)
中央级公益性科研院所基本科研业务费(TKS190403)。
关键词
标贯值
内摩擦角
地基承载力
变形模量
相关性分析
SPT value
internal friction angle
foundation bearing capacity
compression modulus
