![]() INPUT fcu= 40 N/mm2 fy= 460 N/mm2 Area of reinforcement " As " = 2 mm b= 170 mm h= 91 mm d= 75 mm Minimum cover to tension reinforcement " CO " = 200 mm Maxmum bar spacing " S " = Bar dia " DIA " = 8 mm " acr " =(((S/2)^2+(CO+DIA/2)^2)^(1/2)-DIA/2) as default or enter other value = 123.44 mm "acr " is distance from the point considered to the surface of the nearest longitudinal bar Applied service moment " Ms "= 4.5 KNm CALCULATIONS moduli of elasticity of concrete " Ec" = (1/2)*(20+0.2*fcu) = moduli of elasticity of steel " Es " = Modular ratio " " = (Es/Ec) = " " = As/bd = depth to neutral axis, "x" = (- +(()2 + 2.)0.5.d = Crack Width Calculations to BS8110: 1997/ BS8007:1987 Originated from RCC14.xls v 2.1on CD
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