I think the "6~8kN/m3 equivalent density of liquid" may be roughly equal to 1/3 of Rankine’s coefficient of active earth pressure,that means, the inner fiction angle of soil will be adopted 30 degree and the density of soil will be 18~24kN/m3.
该帖子最后于2008-05-12 15:40:25.0被emcp修改。