《Table 4 Summary of concrete pouring volumes》

  提示：宽带有限、当前游客访问压缩模式

本系列图表出处文件名：随高清版一同展现

《Construction of an ultra-deep diaphragm wall: a case study》

1. 获取 高清版本忘记账户？点击这里登录

1. 下载图表忘记账户？点击这里登录

A geotechnical investigation was carried out to identify the characteristics of ground conditions at the testing site.Fig.2 shows the soil profile and soil properties along the depth of the testing diaphragm wall.The properties included the coefficient of compressibility a0.1~0.2and cone resistance CPT-qu.The underground water table was at about 2.5 m below the ground surface.The ground could be generally divided into three main regions:（a）the clayey region（0 to-31.2 m）in which the muddy clay layer was in a plastic flow state with high compressibility and a sensitivity as high as 4.4；（b）the sandy region（-31.2 m to-97.8 m）in which the medium dense sandy silt layer（-31.2 m to-48.0 m）had a non-uniformed gradation，and 80%of which were fine particles with diameters smaller than 0.05 mm；and（c）the underlying bedrock region below the depth of-97.8 m which was classified as medially to strongly-weathered shaly sandstone with a RQD（rock quality designation）of50%to 80%.The toe of the diaphragm wall resided in this shaly sandstone layer.The physical and mechanical properties of each soil layer are listed in Table 1.