混凝土结构设计规范GB50010-2010

111.0.11.0.21.0.3GB50153GB50068222.12.1.1concretestructure2.1.2plainconcretestructure2.1.3steelbar2.1.4reinforcedconcretestructure2.1.5prestressingtendon2.1.6prestressedconcretestructure2.1.7cast-in-situconcretestructure2.1.8prefabricatedconcretestructure2.1.9assembledmonolithicconcretestructure2.1.10superposedmember2.1.11deepflexuralmember352.1.12deepbeam22.52.1.13pretensionedprestressedconcretestructure2.1.14post-tensionedprestressedconcretestructure2.1.15unbondedprestressedconcretestructure2.1.16bondedprestressedconcretestructure2.1.17structuraljoint2.1.18concretecover2.1.19anchoragelength2.1.20spliceofreinforcement2.1.21ratioofreinforcement2.1.22ratioofshearspantoeffectivedepth42.1.23transversereinforcement2.22.2.1Ec——Es——C30——30N/mm2HRB500——500N/mm2HRBF400——400N/mm2RRB400——400N/mm2HPB300——300N/mm2HRB400E——400N/mm2fckfc——ftkft——fykfptk——ffy′y——ffpypy′——fyv——gt——2.2.2N——NkNq——Nu0——M——MkMq——Mu——5Mcr——T——V——Fl——σσsp——σpe——llσσ′——τ——wmax——2.2.3b——TIc——d——h——h0——la——l0——s——x——A——AAss′——AApp′——Al——Acor——B——I——W——Wt——2.2.46Eα——γ——η——λ——()0VhMρ——ρv——φ——φ2020mm733.13.1.11234563.1.23.1.3123.1.4GB50009GB500113.1.5GB501533.1.683.1.73.23.2.1123453.2.21233.2.31233.2.4123.33.3.11293453.3.20SRγ≤3.3.2-1()cskRd,,,/RRffaγ=⋅⋅⋅3.3.2-2γ01.11.00.91.0SRR()γRd1.01.0γREγRdfcfs4.1.44.2.3ad3.3.2-1γ0SNMVT10.1.23.3.3,1013.3.2-26.1.226.1.33.3.4,3.3.2-1S0γ1.03.3.2-2cfsffckykfpykf3.63.3.513.3.223.73.43.4.112343.4.2CS≤(3.4.2)S——11C——3.4.33.4.33.4.3l0/500l0/600l07ml0/200(l0/250)7m≤l0≤9ml0/250(l0/300)l09ml0/300(l0/400)1l0l0223453.4.4——————3.4.53.4.5a123.4.53.5.23.4.5wlim3.4.5mmwlimwlim0.300.400.20a0.10bab0.201260%30.20mm0.30mm4a677893.4.615Hz24Hz33Hz4133.53.5.11234563.5.23.5.23.5.2abab1142GB50176343.5.3503.5.33.5.3kg/m30.60C200.30a0.55C250.20b0.500.55C30C250.15a0.450.50C35C300.15b0.40C400.103.0120.05345ba63.5.41001C30C4020.0533.0kg/m348.2.14053.5.5100153.5.61234-563.5.61233.5.73.63.6.1123451663.6.2123-3.6.3fckstkfptkf4.1.34.2.2ka3.73.7.13.7.21GB50153234563.7.317123456479.5891844.14.1.1150mm28d95%4.1.2C15C20400MPaC25C30C40C304.1.3fck4.1.3-1ftk4.1.3-24.1.3-1N/mm2C15C20C25C30C35C40C45C50C55C60C65C70C75C80ckf10.013.416.720.123.426.829.632.435.538.541.544.547.450.24.1.3-2N/mm2C15C20C25C30C35C40C45C50C55C60C65C70C75C80tkf1.271.541.782.012.202.392.512.642.742.852.932,993.053.114.1.4fc4.1.4-1ft4.1.4-24.1.4-1N/mm2C15C20C25C30C35C40C45C50C55C60C65C70C75C80cf7.29.611.914.316.719.121.123.125.327.529.731.833.835.9194.1.4-2N/mm2C15C20C25C30C35C40C45C50C55C60C65C70C75C80tf0.911.101.271.431.571.711.801.891.962.042.092.142.182.224.1.5Ec4.1.5Gc0.40cv0.204.1.5×104N/mm2C15C20C25C30C35C40C45C50C55C60C65C70C75C80Ec2.202.552.803.003.153.253.353.453.553.603.653.703.753.80124.1.6fcfftf4.1.4ργργfcρ4.1.6-14.1.6-2ργ0.60fcρfc,minfcfc,maxσρσ=4.1.6fminc,σfmaxc,σ——4.1.6-1γρfcρ0≤fcρ0.10.1≤fcρ0.20.2≤fcρ0.30.3≤fcρ0.40.4≤fcρ0.5fcρ≥0.5ργ0.680.740.800.860.931.004.1.6-2γρfcρfc00.1ρfc0.10.2ρ≤fc0.20.3ρ≤fc0.30.4ρ≤fc0.40.5ρ≤ργ0.630.660.690.720.74fcρfc0.50.6ρ≤fc0.60.7ρ≤fc0.70.8ρ≤fc0.8ρ≥ργ0.760.800.901.0020604.1.7fcE4.1.74.1.7×104N/mm2C30C35C40C45C50C55C60C65C70C75C80fcE1.301.401.501.551.601.651.701.751.801.851.904.1.80100cα1×105/λ10.6kJ/m·h·c0.96kJ/(kg·4.24.2.11HRB400HRB500HRBF400HRBF500HRB335HRBF335HPB300RRB4002HRB400HRBF400HPB300HRB500HRBF500HRB335HRBF3353RRB4004.2.295ykfstkf4.2.2-1ptkfpykf4.2.2-2214.2.2-1dmmykfN/mm2stkfN/mm2HPB300622300420HRB335HRBF335F650335455HRB400HRBF400RRB400FR650400540HRB500HRBF500F6505006304.2.2-2N/mm2dmmpykfptkf620800780970φPMφHM57998012707859809301080φT1825324050108012301380157051640186071380157012901470φPφH91380157014101570167018601×3()8.610.812.91760196015401720167018609.512.715.217.817601960159017701×7()φS21.6167018601960MPa4.2.3yfyf′4.2.3-1pyfpyf′4.2.3-222yvfyf360N/mm2360N/mm24.2.3-1N/mm2yfyf′HPB300270270HRB335HRBF335300300HRB400HRBF400RRB400360360HRB500HRBF5004354354.2.3-2N/mm2ptkfpyfpyf′800510970650127081041014701040157011101860132041015701110172012201860132019601390390980650108077012309004354.2.3-24.2.4δgt4.2.44.2.4HPB300HRB335HRBF335HRB400HRBF400HRB500HRBF500δgt%10.07.53.54.2.5Es4.2.5234.2.5(×105N/mm2)EsHPB3002.10HRB335HRB400HRB500HRBF335HRBF400HRBF500RRB4002.002.051.954.2.6fyf∆fpyf∆fsρfpρ4.2.5-14.2.5-2fsρfmaxs,fmins,fsσσρ=(4.2.6-1)fmaxs,fmins,σσ——4.2.6-1N/mm2∆fyfρsfHRB335HRB40001751750.11621620.21541560.31441490.41311370.51151230.6971060.777850.854600.928310.80fpρfmaxp,fminp,fpσσρ=(4.2.6-2)24fmaxp,fminp,σσ——4.2.6-2fpyf∆(N/mm2)∆fpyfρpfptkf=1570ptkf=17701670ptkf=15700.71442552400.81181791680.97094881fsvρ0.924.2.750mm28mm332mm236mm4.2.84.2.94.2.10A2555.15.1.15.1.25.1.31235.1.4123-5.1.5123455.1.6265.25.2.1125.2.212345.2.35.2.4fb′5.2.4275.2.4′bfTIL1l003l03l06l2nsnbs+—n/2bs+3fh′f12bh′+bf5bh′+1b233TILhhfh′hb3hh32hb(TI)hb(L)4b5.2.55.35.3.15.3.214.1.52345.3.35.3.4B285.3.55.45.4.1-5.4.2ab5.4.325%0.350.1020%10.1.85.4.45.55.5.112C34295.5.21235.5.3C--5.65.6.15.6.21235.6.3305.75.7.15.7.25.53166.16.1.1D96.1.2C.46.1.3123C.46.2I6.2.1123c0εε≤32ccc011nfεσε=−−6.2.1-10ccuεεε≤ccfσ=6.2.1-2()cu,k125060nf=−−6.2.1-3()50cu,k0.0020.55010fε−=+−