Shear strength of RC
Shear strength of RC
(OP)
According to Modified Compressiong Field Theory , the shear capacity of RC. upon the cracked angle (theta) . So my question is how can I know the correct cracked angle?
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RE: Shear strength of RC
Prestressed COncrete
Collins & Mitchell
Response Publications.
It is usual to accept teta be 45 deg for RC and 30 deg for PC.
You have the sheet of free download ShearEHE.mcd at the Collaboratory for Mathcad 2000 pro where calculation of teta is detailed, and many other sheets delivering the shear strength of RC and PC beams by US codes.
RE: Shear strength of RC
RE: Shear strength of RC
The PC beam sheet design example varies it along the beam, for what I remember.
RE: Shear strength of RC
thank you very much.
RE: Shear strength of RC
Generally in a beam the angle will be between 30 degrees at low shear and 45 degrees at shear close to capacity.
Chris Rohde
Editor, Structural D-zine
http://www.topica.com/lists/Structuraldzine