... 43 = 123.3 t / m2 Gnf = qf - YD = 123.3 - 1.8 × 1 = 121.5 t / m2 Net safe ... kN / m2 qf = YDNq +0.4 y B Ny = 1.8 x 1 x 47 +0.4 x 1.8 x 1 x 43 115.56 t ...
確定! 回上一頁