A.1
B.2
C.3
D.4
A.1
B.2
C.3
D.4
A.90%
B.93%
C.95%
D.97%
A.0.5米
B.1米
C.2米
D.3米
A.1mm
B.2mm
C.3mm
D.4mm
A.不小于冻结深度+0.25米
B.不小于冻结深度+0.5米
C.不小于冻结深度+0.75米
D.不小于冻结深度+1米
A.当ΔSn'与ΔSi'相等时
B.当ΔSn'大于ΔSi'时
C.当ΣΔSn'≥0.1ΣΔSi'时
D.当ΣΔSn'≤0.1ΣΔSi'时
A.6个月,每月不超过3mm
B.3个月,每月不超过6mm
C.12个月,每月不超过2mm
D.6个月,每月不超过5mm
A.90%
B.92%
C.93%
D.95%