According to the drainage and consolidation conditions, the triaxial shear test can be divided into（ ）
A. unconsolidated undrained test
B. consolidated undrained test
C. unconsolidated drained test
D. consolidated drained test
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Which of the following statements about the calculation of base pressure under eccentric load are correct ( )
A. e0 ，base pressure is trapezoidal distribution
B. e0 ，base pressure is trapezoidal distribution
C. e>l/6，large eccentric compression, pmin <0, tensile stress zone appears on the base and base pressure is redistributed
D. e=l/12，critical eccentric compression, pmin = 0, base pressure is triangle distribution
During the seepage and consolidation process of saturated soil, the pore water pressure ( ) and effective stress ( ) in the soil
A. remain unchanged
B. gradually decrease
C. decrease first and then increase
D. gradually increase
Which of the following are basic physical indicators of soil（ ）
A. Soil specific gravity
B. Natural water content
C. Void ratio
D. Natural density of soil
当允许的塑性区最大深度控制在基底宽度的一定范围内时，所对应的荷载为有限塑性区深度荷载（ ）
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