海量資源,盡在掌握
 【例】 某鋼梁如圖32所示,求此鋼梁的制作工程量。【解】?、俑拱濉?310×16:(0.31+0.05)×0.016×4.5×7.85t=0.2035t②翼緣 -240×20:(0.24+0.05)×0.02×4.5×7.85×2t=0.4098t③橫向加勁肋 -105×8:0.105×0.008×0.31×7.85×2×4t=0.0164t④縱向加勁肋 -82×10:0.0 (共 494 字) [閱讀本文] >>