海量資源,盡在掌握
 【例】 某吊車梁如圖47所示,求此吊車梁的工程量。【解】?、偕弦砭墶?300×10:(0.3+0.05)×11.95×0.01×7.85t=0.3283t②下翼緣 -250×8:(0.25+0.05)×11.95×0.008×7.85t=0.2251t③腹板 -800×6:(0.8+0.05)×11.95×0.006×7.85t=0.4784t④長加勁肋 -140×6:0.14×0.00 (共 593 字) [閱讀本文] >>