Since the title of the question is How do I convert a decimal number to a list of octal digits in Common Lisp?, I think it's worth considering some options that don't use truncate, since that might be sort of expensive (e.g., see Improving performance for converting numbers to lists, and base10 to base2, and the observation that using binary arithmetic instead of quotient and remainder is faster).
Fresh concrete can weight about 3700 lbs for every cubic yard. The density will also determine how much is its weight. assuming its weight to be around 150 lbs for per cubic f â¦ eet. This would make it around 4000 lbs which could come to 2 tons.
Converting from Volume to Weight. This table should be used as a tool when the weighing of material is not feasible. Note: 1 ton = 2,000 lbs. Conversion Table. Material Type Volume Amount Equal Approximate Weight. Asphalt/Paving, Crushed 1 cubic yard = 1,380 lbs. Brick, Common Hard 1 cubic yard = 3,199.5 lbs. Brick, Whole =1 cubic yard 3,024 lbs.