一、单项选择题Å=tî¥QrÎbbs.3c3t.comñª¾|y
1、稠度是描述粘性土()的指标。Å=tî¥QrÎbbs.3c3t.comñª¾|y
A、密实程度Å=tî¥QrÎbbs.3c3t.comñª¾|y
B、软硬程度Å=tî¥QrÎbbs.3c3t.comñª¾|y
C、可塑程度 Å=tî¥QrÎbbs.3c3t.comñª¾|y
D、饱和程度Å=tî¥QrÎbbs.3c3t.comñª¾|y
2、在击实实验中( )。Å=tî¥QrÎbbs.3c3t.comñª¾|y
A、土的干密度随着含水率的增加而增加Å=tî¥QrÎbbs.3c3t.comñª¾|y
B、土的干密度随着含水率的增加而减少Å=tî¥QrÎbbs.3c3t.comñª¾|y
C、土的干密度在某一含水率下达到最大值,其他含水率对应干密度较小Å=tî¥QrÎbbs.3c3t.comñª¾|y
3、地基持力层承载力验算中,基础底面深处的荷载取()进行验算。Å=tî¥QrÎbbs.3c3t.comñª¾|y
A、基底压力Å=tî¥QrÎbbs.3c3t.comñª¾|y
B、基底深度处的土自重应力Å=tî¥QrÎbbs.3c3t.comñª¾|y
C、基底深度处的土自重应力和基底压力之和Å=tî¥QrÎbbs.3c3t.comñª¾|y
D、基底压力与基底深度处的土自重应力之差Å=tî¥QrÎbbs.3c3t.comñª¾|y
4、根据载荷试验确定地基承载力时,P-S曲线开始不再保持线性关系时,表示地基土处于何种受力状态()。Å=tî¥QrÎbbs.3c3t.comñª¾|y
A、弹性状态Å=tî¥QrÎbbs.3c3t.comñª¾|y
B、整体剪切破坏状态Å=tî¥QrÎbbs.3c3t.comñª¾|y
C、局部剪切状态Å=tî¥QrÎbbs.3c3t.comñª¾|y
D、失稳状态 Å=tî¥QrÎbbs.3c3t.comñª¾|y
5、已知砂土的天然孔隙比为e=o.303,最大孔隙比emax=0.762,最小孔隙Å=tî¥QrÎbbs.3c3t.comñª¾|y
比emln=0.114,则该砂土处于()状态。 Å=tî¥QrÎbbs.3c3t.comñª¾|y
A、稍密Å=tî¥QrÎbbs.3c3t.comñª¾|y
B、中密Å=tî¥QrÎbbs.3c3t.comñª¾|y
C、松散Å=tî¥QrÎbbs.3c3t.comñª¾|y
D、密实Å=tî¥QrÎbbs.3c3t.comñª¾|y
6、土体抗剪强度指标为c、φ,则其剪切破坏时破裂面与大主应力作用面的夹角为()。 Å=tî¥QrÎbbs.3c3t.comñª¾|y
A、 af=45°+φ/2Å=tî¥QrÎbbs.3c3t.comñª¾|y
B、 af=45°-φ/2 Å=tî¥QrÎbbs.3c3t.comñª¾|y
C、 af=45°Å=tî¥QrÎbbs.3c3t.comñª¾|y
D、 af=0°Å=tî¥QrÎbbs.3c3t.comñª¾|y
7、评价粘性土的物理特征指标主要有()。Å=tî¥QrÎbbs.3c3t.comñª¾|y
A、天然孔隙比e、最大孔隙比emax↓、最小孔隙比em1n↓Å=tî¥QrÎbbs.3c3t.comñª¾|y
B、最大干重度gdmax↓、压实系数1、最优含水率wop↓Å=tî¥QrÎbbs.3c3t.comñª¾|y
C、天然含水率w、液限wL↓ 、塑限wP↓Å=tî¥QrÎbbs.3c3t.comñª¾|y
D、不均匀系数Cu↓、曲率系数Cc↓Å=tî¥QrÎbbs.3c3t.comñª¾|y
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