![]() ![]() No’s of Top Main Bars = 40.32 = Say 41 No’s No’s of Top Main Bars = (Length of Culvert – 2xCC) / Spacing +1 Top Slab Top Main Bars of RCC Box Culvert:Ĭut Length of Top Main Bars = Length of Top Slab – (2 x CC) + (2 x Bend Length)Ĭut Length of Top Main Bars = 7.67’ – (2 x 0.17’) + (2 x 0.25’)Ĭut Length of Top Main Bars = 7.67’- 0.34 + 0.50 Haunch Bars: #4 12” C/C Advantages of RCC Box Culvert SOLUTION: 1. #9 = 1.125” = 0.09375’ Top RCC Slab of Culvert:ĭistribution Bars: #4 12” C/C Bottom RCC Slab of Culvert:ĭistribution Bars: #4 12” C/C Outside RCC Walls of Culvert:ĭistribution Bars: #4 12” C/C Concrete Fillet of Culvert: #5 = 0.625” Advantages of RCC Box Culvert Advantages of RCC Box Culvert GIVEN DATA: ![]() There’re outside walls with vertical main bars. ![]() Bottom slab has top main bar and bottom main bar. ![]() Top slab has top main bar and bottom main bar. Box culvert typical section (6×7), where 6 are inside length and 7 is inside height. In the reinforcement, there are top slab, bottom slab and outside walls. OTHER POSTS: Bar Bending Schedule (BBS) | BBS Step by Step Preparation | Sheet How to Calculate Lap Length in Column Beam and Slab Bar Bending Schedule Basic Formulas | BBS Formula | What is BBS Bar Bending Schedule of Staircase with Single Reinforcement It is used in special cases, weak foundation.Box culverts are economical due to their rigidity and monolithic action and separate foundations are not required.The bottom slab of the box culvert reduces pressure on the soil.It is Suitable for non-perennial streams where scrub depth is not significant but the soil is weak.The box culvert is a rigid frame structure and very simple in construction.Box Culverts are economical for the reasons mentioned below: ![]()
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