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1、混混凝凝土土強強度度設(shè)設(shè)計計值值及及彈彈性性模模量量(N/mm2)種類符號混 凝 土 強 度 等 級 及 彈 性 模 量C7.5C10C15C20C25C30軸心抗壓fc3.75.07.510.012.515.0彎曲抗壓fcm4.15.58.511.013.516.5抗 拉ft0.60.70.91.11.31.5彈性模量Ec145001750022000255002800030000C35C40C45C50C55C6017.519.521.523.525.026.519.021.523.526.027.529.01.71.81.92.12.12.2315003250033500345003552、0036000混混凝凝土土強強度度設(shè)設(shè)計計值值及及彈彈性性模模量量(N/mm2)混 凝 土 強 度 等 級 及 彈 性 模 量鋼鋼筋筋截截面面面面積積表表直徑不同根數(shù)鋼筋的計算截面面積(mm2)(mm)12345637.114.121.228.335.342.4412.625.137.750.362.875.4519.639597998118628.35785113141170850.31011512012513021078.515723631439347112113.122633945256567914153.930846261677092416201.14026038041005120613、8254.550976310181272152720314.262894212571571188522380.1760114015211901228125490.9982147319632454294528615.81232184724633079369532804.216082413321740214825361017.920363054407250896107401256.625133770502762837540單根鋼筋公稱789質(zhì)量標(biāo)準(zhǔn)(Kg/m)49.556.563.60.05588.0100.5113.10.0991371571770.1541982262540.2223524024、4520.3955506287070.61779290510180.8881078123213851.2081407160818101.5781781203622901.9982199251328272.4662661304134212.9843436392744183.8534310492655424.8345630643472386.3137125814391617.990879610053113109.865不同根數(shù)鋼筋的計算截面面積(mm2)板板寬寬1 1米米內(nèi)內(nèi)各各種種鋼鋼筋筋間間距距的的鋼鋼筋筋截截面面面面積積(mm(mm2 2/m)/m)鋼筋間距鋼 筋 直 徑(mm)(mm)665、/888/101010/121212/141410028339350364478595811311335153911025735745758571487110281214139912023632741953765479894211131283125226314402515628767905106812321302173023874956047378701027118414020228035946056168480895411001501882623354295246397548901026160177245314403491599707834962170166231296379462564666、578590618015721827935843653262874285519014920726533941350459570381020014119625132239347956566877022012917822829335743651460770024011816420926832739947155664125011315720125831438345253461614/161616/181818/2020177520112278254528433142161418282071231325852856147916761898212123692618142016081822203622757、25131365154717521957218724171268143616271818203122441183134015181696189520941109125714241590177719631044118313401497167218489861117126514141580174593410581199133914961653887100511391272142215718079141035115712921428740838949106011851309710804911101811371257板板寬寬1 1米米內(nèi)內(nèi)各各種種鋼鋼筋筋間間距距的的鋼鋼筋筋截截面面面面積積(mm(mm8、2 2/m)/m)4b9bc9aa600cc8add1a5b6d385c78f3b.xls2023/12/21 第 7 頁，共 8 頁 J-1:J-1:軸力N=700 kN剪力Vx=54 kN彎矩Mx=90 kN-m剪力Vy=30 kN彎矩My=50 kN-m承載力設(shè)計值f=250 kPa埋深D=1.8 mft=1.1 N/mm2ac=350 mmbc=350 mmh=600 mm估算：3.93 m2令n=l/b=1.2l=2170 mmb=1809 mm取：l=2400 mmb=2000 mm基底面積A=4.80 m21.92E+09 mm31.60E+09 mm3181.8 kPaf滿足29、88.1 kPa1.2f滿足75.6 kPa0滿足抗沖切驗算：b bc+2h0=1470 mml ac+2h0=1470 mmpjmaxA1=216.7 kN 0.6ftA2=336.3 kN滿足軸力N作用下：111.1 kN-m85.2 kN-mX向彎矩作用下：27.8 kN-mMII=0 kN-mY向彎矩作用下：MI=0 kN-m14.6 kN-m138.9 kN-m99.8 kN-mfy=210 N/mm2656 mm2/m實配d12125,As=905 mm2/m6blW2x6lbW2yAGNpyyyxxxmaxWhVMWhVMAGNpyyyxxxminWhVMWhVMAGNp)al 2()bb(AN241Mc2cII)()(c2ccxxxIbballalWhVM481M)()(c2ccyyyIIal 2bbbbbWhVM481MIMIIM0yISIhf90MA.)bb2()al(AN241Mc2cID20fN2.1A 4b9bc9aa600cc8add1a5b6d385c78f3b.xls2023/12/21 第 8 頁，共 8 頁393 mm2/m實配d10200,As=393 mm2/m0yIISIIhf90MA.0yISIhf90MA.