4×8 Ft temporary trackway for civil Engineering ATCE-II ATCE---II Advanced Topics in Civil Engineering 14 Wall Form Design Example From Table 4-3, the section modulus, S, for ¾-in. plywood is: 0.412 in. 3 w, loading of the beam for a 1-ft wide strip of plywood is 600 lb/lf 12 in. 600 psf 12 in. = = = p w ATCE-II ATCE-II Advanced Topics in