![]() ![]() Project Spreadsheets to BS 8110etc REINFORCED CONCRETE COUNCIL Client Advisory Group Made by Date Page Location Grid line 1 RC 2 33 Crack Width Calculations to BS8110: 1997/ BS8007:1987 Checked Revision Job No v 2.1on CD © 1999-2003 BCA for RCC chg - R68 CRACK WIDTH CALCULATIONS - FLEXURE - INPUT fcu= 1000 mm 250 mm 200 mm 40 mm 150 mm 20 mm 80.14 mm "acr " is distance from the point considered to the surface of the nearest longitudin 69.0 KNm CALCULATIONS 13.5 200.0 14.81 0.010 85 mm 172 192 9.50 0.001375 Used n/a 0.000189 0.001186 CALCULATED CRACK WIDTH, 'w' = 0.19 mm Originated from RCC14.xls N/mm 2 fy = N/mm 2 Area of reinforcement " As " = mm 2 b = h = d = Minimum cover to tension reinforcement " CO " = Maxmum bar spacing " S " = Bar dia " DIA " = (S/2)^2+(CO+DIA/2)^2)^(1/2)-DIA/2) as default or enter other value = Applied service moment " Ms "= moduli of elasticity of concrete " Ec " = (1/2)*(20+0.2*fcu) = KN/mm 2 moduli of elasticity of steel " Es " = KN/mm 2 Modular ratio " a " = (Es/Ec) = " r " = As/bd = depth to neutral axis, " x " = (- a.r +(( a.r ) 2 + 2. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. Archives
January 2023
Categories |