常用钢筋混凝土表(a4)

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1、钢筋混凝土基本数据C15C20C25C30C35C40C45C50C55C60C65C70C75C80fck(N/mm2)10.013.416.720.123.426.829.632.435.538.541.544.547.750.2ftk(N/mm2)1.271.541.782.012.202.392.512.642.742.852.932.993.053.11fc(N/mm2)7.29.611.914.316.719.121.223.125.327.529.731.833.835.9ft(N/mm2)0.911.101.271.431.571.711.801.891.9

2、62.042.092.142.182.22Ec(104N/mm2)2.202.552.803.003.153.253.353.453.553.603.653.703.753.80线胀系数αC=1×10-5/oC泊松比νc=0.2剪变模量G=0.4Ecfc=fck/γc=fck/1.4ft=fck/γc=fck/1.4钢筋基本数据种类符号直径d(mm)fyk(N/mm2)fy(N/mm2)fy’(N/mm2)ES(105N/mm2)热扎钢筋HPB235(Q235)8-202352102102.1HRB335(20MnSi)6-503353003002.0HRB400(20Mn

3、SiV,20MnSiNb,20MnSiTi)6-504003603602.0RRB400(K20MnSi)8-404003603602.0轴拉和小偏拉时,钢筋抗拉强度设计值大于300时,仍用300fy=fyk/1.1钢筋计算截面面积及理论重量123456789kg/m628.357851131421701982262550.222850.31011512012523023524024530.3951078.51572361503141803934715506287070.61712113.122633915045220018056525022067879190410170.

4、88814153.93084611801506152007692502209233001077123113851.2116201.1402603180150804220200100525012063001407350160840018091.5818254.55097631801017220200127230025015263503001780400350203645040022902.0020314.26289411801256200157030025018843503002200400350251345040028272.4722380.1760114020018015

5、20250200190030022813502661450400304150045034212.9825490.998214732001801964300250245435030029454003503436550450392755045044183.85注:按保护层厚度25计算每米板宽内钢筋截面面积466/888/101010/121212/141414/16161820222510012628339350364478595811311335153917752011254531423801490912010523632741953765479894211121283148

6、01676212126183168409112510022631440251562876690510681232142016082036251330413927130218302387495604737870102711841366154719572417292437761402022813594605616848089541100126814361818224427153506150189265335429523639754890102611831340169620942543327216017724631440349159970783496211101257159019

7、63237630681701662312963794625646657869061044118314971848223628871801572182793584365326287428559851117141417452112272719014920726533941350459570281093410581339165320012584200141196251322393479565668770888100512721571190124542201291782282923574365146077008079141