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<br />**** LON G I T U DIN A L <br /> <br />SHE A R W ALL <br /> <br />A N A L Y S I S **** <br /> <br />Shearwall is 8 inch concrete masonry with Type S mortar <br />Specified compressive stren~th of masonry F'm is 1500 psi <br />Net area compressive strength of block units is 1900 psi <br />Steel is Grade 40 , with 1--#5 in single grouted cell at each end <br /> <br />Total lateral force on building <br />Force applied at top of walls <br />Sum of shearwall stiffnesses IlL ::: <br /> <br />::: 4387 pounds <br />::: 2193 pounds <br />2052.227 <br /> <br />Shearwall Number 2 : <br />Shearwall length <br />Relative stiffness percentage ratio <br />Total shear at top and bottom of wall <br />Clear height <br />Overturning moment <br />Uplift tensile stress on masonry <br />Dead load at bottom of shearwall x 2/3 <br />Net uplift tension for shearwall action <br />Normal uplift on exterior bearing wall <br /> <br />::: 96 inches <br />::: .5 <br />::: 1096 pounds <br />::: 7.333333 feet <br />::: 8041 ft-pounds <br />::: 753 plf <br />::: 448 plf <br />::: 305 plf <br />::: 2723 pounds <br /> <br />Moment at base of shearwall <br />Area of reinforcing steel <br />Neutral axis to compression fiber ::: <br />Neutral axis to reinforcing steel ::: <br />Value of ratio <br />Bending stresses: <br />Reinforcing steel, tension <br />Concrete masonry, compression <br />Shear stress in concrete masonry <br /> <br />::: 8041 ft-pounds <br />= .3067969 sq. in. <br />42.54603 inches <br />49.20397 inches <br />::: .864687 <br /> <br />for each.grouted cell <br /> <br />Actual ::: <br />Actual ::: <br />Actual ::: <br /> <br />9683 psi <br />50 psi <br />5 psi <br /> <br />Allowable::: 26666 psi <br />Allowable::: 666 psi <br />Allowable::: 49 psi <br /> <br />Required lap splice::: 25 inches <br /> <br />*** Summary of Analysis *** <br />Shearwall COMPLIES with all Code requirements. <br />