Computer · RCC Design
Bending moment coefficients for slabs spanning in two directions at right angles and simply supported on all four sides are given below: Ly/Lx = 1.0 → αx = 0.062, αy = 0.062 Ly/Lx = 1.1 → αx = 0.074, αy = 0.061 Ly/Lx = 1.2 → αx = 0.084, αy = 0.059 If the effective longer and shorter spans of the slab are 4.4 m and 4.0 m, respectively, and the factored load acting is 8 kN/m2, the ultimate bending moments per metre width acting in the two directions will be:
- 111.46 kN-m and 9.47 kN-m
- 29.47 kN-m and 12.72 kN-m
- 311.46 kN-m and 7.81 kN-m
- 49.47 kN-m and 7.81 kN-m✓
Correct answer
9.47 kN-m and 7.81 kN-m
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