单项选择题
图示体系中各柱El=常数,,则体系的动力系数为()。
A.1.5 B.3 C.2.5 D.2
A.11.6,0.4,粉质黏土 B.9.6,0.224,粉土 C.11.6,0.224,粉质黏土 D.9.6,0.4,粉土
A.0.5M,0.5M B. C.0.4M,0.6M D.0.6M,0.4M