Strength of Materials |
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Page 371
... Concrete Beams Concrete is an excellent building material because it is cheap and fire- proof and does not rust or rot . It has about the same strength in com- pression as soft wood , but its tensile strength is practically zero . For ...
... Concrete Beams Concrete is an excellent building material because it is cheap and fire- proof and does not rust or rot . It has about the same strength in com- pression as soft wood , but its tensile strength is practically zero . For ...
Page 376
... concrete below the reinforcing steel and include the weight of the beam . Concrete weighs 150 lb / ft3 . = 1031. In a reinforced concrete beam , b 12 in . , d = 24 in . , and n = 12 . If a maximum stress of 650 psi is developed in the ...
... concrete below the reinforcing steel and include the weight of the beam . Concrete weighs 150 lb / ft3 . = 1031. In a reinforced concrete beam , b 12 in . , d = 24 in . , and n = 12 . If a maximum stress of 650 psi is developed in the ...
Page 381
... concrete equivalent of the steel . In terms of the permissible concrete stress , the flexure formula gives M [ x = S / ] SI Mc = 600 ( 11,840 ) 6.16 = 1,154,000 in . - lb In terms of the concrete equivalent of the steel , the ...
... concrete equivalent of the steel . In terms of the permissible concrete stress , the flexure formula gives M [ x = S / ] SI Mc = 600 ( 11,840 ) 6.16 = 1,154,000 in . - lb In terms of the concrete equivalent of the steel , the ...
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Common terms and phrases
allowable stresses aluminum angle applied assumed axial load beam in Fig beam loaded beam shown bending bending moment bolt bronze cantilever beam caused centroid column compressive stress Compute the maximum concentrated load concrete continuous beam cross section deformation Determine the maximum diameter elastic curve end moments equal equivalent Euler's formula factor of safety fibers flange flexure formula free-body diagram ft long ft-lb Hence Hooke's law horizontal ILLUSTRATIVE PROBLEMS inertia lb/ft length loaded as shown main plate maximum shearing stress maximum stress midspan deflection modulus Mohr's circle moment of area moment of inertia neutral axis obtain plane positive proportional limit R₂ radius reaction Repeat Prob resisting restrained beam resultant segment shaft shear diagram shearing force shown in Fig Solution Solve Prob span statically indeterminate steel strain tensile stress three-moment equation torque torsional uniformly distributed load vertical shear weld zero ΕΙ