engineering recuitment APSC AE Civil 2020 Test Series Reinforced Concrete Structures Prestress Concrete
The percentage loss of pre-stress due to anchorage slip of 3 mm in a concrete beam of length of 30 m which is post-tensioned by a tendon subjected to an initial stress of 1200 N/mm2 and modulus of elasticity equal to 2.1 × 105 N/mm2, is
1
0.0175%
2
0.175%
3
1.75%
4
17.5%