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1. |
The stress component at any point, after the excavation of the shaft, will be equal to ____________ |
A. | R = ( Z)1-( Z)2 |
B. | Z = ( Z)1-( Z)2 |
C. | = ( )1-( )2 |
D. | R = ( R)1-( R)2 |
Answer» C. = ( )1-( )2 | |