A. Decreasing the lever arm
B. Increasing the total perimeter of bars
C. Replacing larger bars by greater number of small bars
D. Replacing smaller bars by greater number of greater bars
A. Decreasing the lever arm
B. Increasing the total perimeter of bars
C. Replacing larger bars by greater number of small bars
D. Replacing smaller bars by greater number of greater bars
A. decreases
B. increases
C. remains unchanged
D. first increases and then decreases
A. 25%
B. 50%
C. 75%
D. 90%
A. less at edges compared to middle
B. more at edges compared to middle
C. uniform throughout
D. none of the above
A. 15 mm
B. 30 mm
C. 50 mm
D. 167 mm
A. cohesion and effective angle of shearing resistance
B. cohesion and effective unit weight of soil
C. effective unit weight of soil and effective angle of shearing resistance
D. effective angle of shearing resistance
A. cohesion only
B. angle of internal friction only
C. both cohesion and angle of internal friction
D. none of the above
A. 15 mm
B. between 15 mm and 25 mm
C. 25 mm
D. greater than 25 mm