A.a1-2<0.1MPa-1 B.0.1MPa-1≤a1-2<0.5MPa-1 C.a1-2≥MPa-1
A.只發(fā)生側(cè)向變形 B.只發(fā)生豎向變形 C.同時(shí)發(fā)生豎向變形和側(cè)向變形
A.固體土顆粒被壓縮 B.土中水及封閉氣體被壓縮 C.水和氣體從孔隙中被擠出