A. 0.37 fy
B. 0.57 fy
C. 0.67 fy
D. 0.87 fy
where fy is the characteristic yield strength of steel
Design of Concrete Structures
A. 0.37 fy
B. 0.57 fy
C. 0.67 fy
D. 0.87 fy
where fy is the characteristic yield strength of steel
A. 0.43 d
B. 0.537 d
C. 0.68 d
D. 0.85 d
where d is effective depth of beam[ES 2k]
A. ^acybd2
B. ^acybd2
C. 0.185acybd2
D. 0.43acybd2
where acy is the cylinder compressive strength of concrete
A. deflect downward
B. deflect upward
C. deflect downward or upward
D. none of the above
A. bending moment and shear
B. bending moment and torsion
C. shear and torsion
D. bending moment, shear and torsion
A. compressive everywhere
B. tensile everywhere
C. partly compressive and partly tensile
D. zero
A. forces of tension and compression change but lever arm remains unchanged
B. forces of tension and compressions remain unchanged but lever arm changes with the moment
C. both forces of tension and compres-sion as well as lever arm change
D. both forces of tension and compres-sion as well as lever arm remain unchanged
A. upper part of the beam
B. lower part of the beam
C. center
D. anywhere
A. elastic shortening of concrete
B. shrinkage of concrete
C. creep of concrete
D. loss due to friction