Abstract
A comparison is made of the experimental and theoretical values of bending moment, shear force, deflection, and pressure for a reinforced concrete box culvert measuring 1,200 by 1,200 mm (inside dimensions) by 9-m long and 75 mm (uniform) thick. Dry sand is used to backfill the culvert. Both the numerical and experimental results compare favorably, but the results differ appreciably from those considered for conventional analysis and design. Also, there is a substantial reduction in the midspan bending moments as compared with conventional analysis.
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