同一承臺下n>3根非端承樁,當單樁與基樁受荷相等時 ( )
A.基樁的沉降量小于單樁的沉降量;
B.當樁距Sa>6d時,基樁的沉降量=單樁的沉降量;
C.當根據(jù)Sa=(3-4)d時,基樁的沉降量=單樁的沉降量;
D.基樁樁端的土中應力<單樁樁端的土中應力
答案:B
A.基樁的沉降量小于單樁的沉降量;
B.當樁距Sa>6d時,基樁的沉降量=單樁的沉降量;
C.當根據(jù)Sa=(3-4)d時,基樁的沉降量=單樁的沉降量;
D.基樁樁端的土中應力<單樁樁端的土中應力
答案:B