railway RRB JE (CBT I + CBT II) Mock Test 2024 Construction Materials and Management Building Component
Dead weight of waist slab of a stair case spanning longitudinally is calculated as:
1
\(25D\sqrt {1 + {{\left( {\frac{R}{T}} \right)}^2}} \)
2
\(25d\sqrt {1 + {{\left( {\frac{R}{T}} \right)}^2}} \)
3
\(25D\sqrt {1 + {{\left( {\frac{T}{R}} \right)}^2}} \)
4
\(25d\sqrt {1 + {{\left( {\frac{T}{R}} \right)}^2}} \)