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Concrete Curved Beams

Concrete Curved Beams

Concrete Curved Beams

(OP)
Any good references for the design of concrete curved beams?

Regards,
Lutfi

RE: Concrete Curved Beams

Pretty sure Roark has the equations.  Obviously you'll need reo all around the perimeter for torsion.

Cheers

Greg Locock

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RE: Concrete Curved Beams

(OP)
We have the beam designed. Torsion was considered the ties are closed type. I am looking to see if there are concrete references that may have new data or procedures.

Regards,
Lutfi

RE: Concrete Curved Beams

Joints at loadbearing masonry/reinf concrete interface:  To accomodate differential movement between dissimilar materials, its standard practice to cut a joint in the cement render at the position of the masonry/concrete interface.  I have a project where the Architect is vehemently opposed to the joint for aesthetic reasons.  I'm investigating reinforcing the render accros the joint.  By providing a bond-breaker (to increase the area over which the render can move) for a distance (say 5") on both sides of the joint and reinforcing the render for another 5" beyond, I'm reasoning that the slab/masonry movement will result only in a series of micro-cracks in the render rather than a big uncontrolled crack.  Anyone have any experience on this?

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