钢筋的计算截面面积及公称质量表常用建筑材料的比重、容重

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1、钢筋的计算截面面积及公称质量表(梁用)公称直径不同根数直径的计算截面面积（mm2）公称质量（mm）123456789（kg/m）519.60395979981181371571770.154628.2757851131421701982262540.2226.533.20661001331661992322652990.260850.271011512012523023524024530.3951078.541572363143934715506287070.61712113.1022633945256567979290510170.88814153.90308

2、4626167709241078123213851.21016201.10402603804100512061407160818091.58018254.505097631018127215271781203622902.00020314.206289421257157118852199251328272.47022380.1076011401521190122812661304134212.98025490.9098214731963245429453436392744183.85028615.801232184724633079369543104926554

3、24.83032804.20160824133217402148255630643472386.310361018.00203630544072508961077125814391617.990401257.0025133770502762837540879610053113109.870501964.0039285892785698201178413748157121767615.420单位板宽受力钢筋相应直径和间距的面积（单位：mm2）间距直径810121416182090558.51872.661256.641710.422234.022827.43349

4、0.66100502.65785.41130.971539.382010.622544.693141.59110456.967141028.161399.441827.842313.352855.99120418.88654.5942.481282.821675.522120.582617.99125402.12628.32904.781231.51608.52035.752513.27130386.66604.15869.981184.141546.631957.452416.61140359.04561807.841099.561436.161817.642

5、243.99150335.1523.6753.981026.251340.411696.462094.4160314.16490.87706.86962.111256.641590.431963.5170295.68462665.28905.521182.721496.881848175287.23448.8646.27879.651148.931454.111795.2180279.25436.33628.32855.211117.011413.721745.33190264.56413.37595.25810.21058.221339.311653.4720

6、0251.33392.7565.49769.691005.311272.351570.8常用建筑材料的比重（吨/立方米）及容重（千克/立方米）名称比重容重名称比重容重钢、铸钢熟铁7.857.8078507800耐火砖轻质空心砖2.5-2.71900-2100600-1200生铁黄铜锡铸镍7.218.507.408.407208850074008400硅酸盐砖矿渣砖水泥砖水泥花砖1.6-2.41700-19001400-16001600-24001980锌铸铝锑铅7.052.566.6711.3570502560667011350土坯砖碎砖水泥水泥散装2303.0

7、5-3.151400-1500110012001450铅丝紫铜丝木材(水分15%)樟木11.288.871.3-1.7112778874400-1000620水泥袋装压实火山灰质水泥矿渣水泥石棉2.85-32.85-32.51600850-11501100-13001000梓木杉木软木　574530240石棉(松)石棉屑石棉板2.5400600900粘土砖矿渣棉2.6-2.71600-1900250玻璃棉石油0.86150-200860普通玻璃石灰水泥砂浆石灰砂浆2.53.12560800-100022001700汽油煤油机械油桐油0.95以下0.94-0.95

8、709-788800-8