# COncrete - /usr/bin/perl calc-concrete.pl Calculate the...

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#! /usr/bin/perl # calc-concrete.pl # Calculate the required weights and volumes of sand and gravel, and the # number of bags of cement required given a volume of concrete that is # required. # This is based on: http://www.lifewater.ca/Appendix_J.htm # and the densities are from: http://www.simetric.co.uk/si_materials.htm # Estimating Quantities of material needed. # 1. Calculate the volume of concrete needed. # 2. Estimate the total volume of dry material by multiplying the # required volume of concrete by 1.65 to get the total volume of # dry loose material needed (this includes 10% extra to compensate # for losses). # 3. Add the numbers in the volumetric proportion that you will use # to get a relative total. This will allow you later to compute # fractions of the total needed for each ingredient. # (i.e. 1:2:4 = 7). # 4. Determine the required volume of cement, sand and gravel by # multiplying the total volume of dry material (Step 2) by each # components fraction of the total mix volume (Step 3) i.e. the # total amount cement needed = volume of dry materials * 1/7. # 5. Calculate the number of bags of concrete by dividing the # required volume of cement by the unit volume per bag of cement # (0.0332 m3 per 50 kg bag of cement or 1 ft3 per 94 lb

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COncrete - /usr/bin/perl calc-concrete.pl Calculate the...

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