A.持力層越硬,樁土相對(duì)剛度越大 B.持力層越硬,樁土相對(duì)剛度越小 C.持力層越軟,樁土相對(duì)剛度越大 D.持力層越軟,樁土相對(duì)剛度越小
A.1% B.2% C.3% D.4%
A.增大 B.減小 C.不變 D.無法確定