計(jì)算公式:W=0.00617d2說(shuō)明:理論質(zhì)量按密度7.85g/cm3計(jì)算。d—鋼筋公稱直徑鋼筋混凝土用熱軋帶肋鋼筋的尺寸及質(zhì)量公稱直徑d/mm截面面積/mm2理論質(zhì)量W/kg1m6m7.5m681012141618202225283228.2750.2778.54113.1153.9201.1254.5314.2380.1490.9615.8804.20.2220.3950.6170. (共 347 字) [閱讀本文] >>
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 計(jì)算公式:W=0.00617d2說(shuō)明:理論質(zhì)量按密度7.85g/cm3計(jì)算。d—鋼筋公稱直徑鋼筋混凝土用熱軋帶肋鋼筋的尺寸及質(zhì)量公稱直徑d/mm截面面積/mm2理論質(zhì)量W/kg1m6m7.5m681012141618202225283228.2750.2778.54113.1153.9201.1254.5314.2380.1490.9615.8804.20.2220.3950.6170. (共 347 字) [閱讀本文] >>