I am designing a reinforced concrete box culvert using the BOXCAR 3.1 program and due to the fill height range i am coming up with stirrups. Does anyone know how to adjust BOXCAR 3.1 to increase the circumferential reinforcement steel areas and eliminate the stirrups?
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stirrup design using boxcar program
- Thread starter oengineer
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larsacious
Structural
Perhaps you can make the top slab thicker to avoid the stirrups. Please elaborate on the fill height, design code, slab thickness, concrete strength, etc.
JedClampett
Structural
A lot of box culverts have fillets at the connected ends. These allow you to move the critical shear plane over even further.
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Check your DOT standard details.
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