When local shear failure occurs on the foundation, the sliding surfaces on both sides of the foundation are discontinuous and incomplete( )
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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
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