混凝土和鋼筋常用數(shù)據(jù)表格

1、【精品文檔】如有侵權(quán)，請(qǐng)聯(lián)系網(wǎng)站刪除，僅供學(xué)習(xí)與交流混凝土和鋼筋常用數(shù)據(jù)表格.精品文檔.希臘字母表字母 讀音AlphaBetaGammaDelteEpsilonZetaEtaThetaIotaKappaLambdaMu字母 讀音NuXiOmicronPiRhoSigmaTauUpsilonfai PhiChiPsiOmega混凝土受壓區(qū)等效矩形應(yīng)力圖系數(shù)C50C55C60C65C70C75C8011.00.990.980.970.960.950.9410.80.790.780.770.760.750.74相對(duì)界限受壓區(qū)高度b和截面最大抵抗矩系數(shù)s.max混凝土強(qiáng)度等級(jí)C50C60鋼筋強(qiáng)度等級(jí)3

2、30MPa335MPa400MPa500MPa330MPa335MPa400MPa500MPab0.5760.5500.5180.4820.5570.5310.4990.464s.max0.4100.3990.3840.3660.4020.3900.3750.356混凝土強(qiáng)度等級(jí)C70C80鋼筋強(qiáng)度等級(jí)330MPa335MPa400MPa500MPa330MPa335MPa400MPa500MPab0.5370.5120.4810.4470.5180.4930.4630.429s.max0.3930.3810.3650.3470.3840.3710.3560.337混凝土軸心抗壓強(qiáng)度標(biāo)準(zhǔn)值和設(shè)

3、計(jì)值（N/mm2）強(qiáng)度混凝土強(qiáng)度等級(jí)C15C20C25C30C35C40C45C50C55C60C65C70C75C80fck10.013.416.720.123.426.829.632.435.538.541.544.547.450.2fc7.29.611.914.316.719.121.123.125.327.529.731.833.835.9混凝土軸心抗拉強(qiáng)度標(biāo)準(zhǔn)值和設(shè)計(jì)值（N/mm2）強(qiáng)度混凝土強(qiáng)度等級(jí)C15C20C25C30C35C40C45C50C55C60C65C70C75C80ftk1.271.541.782.012.202.392.512.642.742.852.932.99

4、3.053.11ft0.911.101.271.431.571.711.801.891.962.042.092.142.182.22混凝土保護(hù)層的最小厚度c（mm）環(huán)境類別板、墻、殼梁、柱、桿一1520二a2025二b2535三a3040三b4050注：1、混凝土強(qiáng)度等級(jí)不大于C25時(shí)，表中保護(hù)層厚度數(shù)值增加5mm；2、鋼筋混凝土基礎(chǔ)宜設(shè)置混凝土墊層，基礎(chǔ)中鋼筋的混凝土保護(hù)層厚度應(yīng)從墊層頂面算起，且不應(yīng)小于40mm。普通鋼筋強(qiáng)度設(shè)計(jì)值（N/mm2）牌號(hào)抗拉強(qiáng)度設(shè)計(jì)值fy抗壓強(qiáng)度設(shè)計(jì)值fy'HPB300（A）270270HPB335（B）300300HRB335（C）、HRBF335（C

5、F）、RRB335（CR）360360HRB500（D）、HRBF500（DF）435435縱向受力鋼筋的最小配筋百分率（%）受力類型最小配筋百分率受壓構(gòu)件全部縱向鋼筋強(qiáng)度等級(jí)500MPa0.50強(qiáng)度等級(jí)400MPa0.55強(qiáng)度等級(jí)300MPa、335MPa0.60一側(cè)縱向鋼筋0.20受彎構(gòu)件、偏心受拉、軸心受拉構(gòu)件一側(cè)的受拉鋼筋0.20和45ft/fy中的較大值注：1、受壓構(gòu)件全部縱向鋼筋最小配筋百分率，當(dāng)采用C60以上強(qiáng)度等級(jí)的混凝土?xí)r，應(yīng)按表中規(guī)定增加0.10；2、板類受彎構(gòu)件（不包括懸臂板）的受拉鋼筋，當(dāng)采用強(qiáng)度等級(jí)400MPa、500MPa的鋼筋時(shí)，其最小配筋百分率應(yīng)允許采用0.15

6、和45ft/fy中的較大值；3、偏心受拉構(gòu)件中的受壓鋼筋應(yīng)按受壓構(gòu)件一側(cè)縱向鋼筋考慮；4、受壓構(gòu)件的全部縱向鋼筋和一側(cè)縱向鋼筋的配筋率以及軸心受拉構(gòu)件和小偏心受拉構(gòu)件一側(cè)的受拉鋼筋的配筋率均應(yīng)按構(gòu)件的全截面面積計(jì)算；5、受彎構(gòu)件、大偏心受拉構(gòu)件一側(cè)受拉鋼筋的配筋率應(yīng)按全截面面積扣除受壓翼緣面積(bf'-b)hf'后的截面面積計(jì)算；6、當(dāng)鋼筋沿構(gòu)件截面周邊布置時(shí)，“一側(cè)縱向鋼筋”系指沿受力方向兩個(gè)對(duì)邊中一邊布置的縱向鋼筋。鋼筋的公稱直徑、公稱截面面積及理論重量公稱直徑/mm不同根數(shù)鋼筋的計(jì)算截面積/mm²單根鋼筋理論重量/(kg/m)123456789628.35785

7、1131421701982262550.2226.533.2661001331661992322652990.260850.31011512012523023524024530.3958.252.81061582112643173704234750.4321078.51572363143934715506287070.61712113.122633945256567879190410170.88814153.93084616157699231077123113851.2116201.1402603804100512061407160818091.5818254.5509763101712721

8、5271781203622902.00（2.11）20314.26289421256157018842199251328272.4722380.176011401520190022812661304134212.9825490.998214731964245429453436392744183.85（4.10）28615.8123218472463307936954310492655424.8332804.2160924133217402148265630643472386.31（6.65）361017.9203630544072508961077125814391617.99401256.6

9、25133770502762837540879610053113109.87（10.34）50196439285892785698201178413748157121767615.42（16.28）注：1、表中直徑d=8.2mm的計(jì)算截面面積及理論重量僅適用于有縱肋的熱處理鋼筋； 2、括號(hào)內(nèi)為預(yù)應(yīng)力螺紋鋼筋的數(shù)值。鋼筋混凝土板每米寬的鋼筋面積表（mm2）鋼筋間距/mm當(dāng)鋼筋直徑/mm為下列數(shù)值時(shí)的鋼筋截面面積/mm²34566/888/101010/121212/141414/161670758085909510010194.388.483.278.574.570.617916715

10、714814013212628126224523121820719640437735433331429828356151449146243741439371967162959255952950392085980575871667864411211047981924872826785136912771198112710641008958161615081414133112571190113119081780166915711484140513352199205319241811171016201539253623672218208819721868177528722681251323652234

11、2116201111012012513014064.258.956.554.450.511410510096.689.71781631571511402572362262182023573273143022814574194023873595855375154954607146546286045618717987667376841028942905870808121411121068102795413991283123211841100161414801420136612681828167616081547143615016017018019020047.144.141.539.237.232

12、.383.878.573.969.866.162.813112311510910398.2189177166157149141262246231218207196335314296279256251429403379358339322523491462436413393639599564532504479754707665628595565890834786742702668102696290685581077011831110104498593488813401257118311171058100522024025026028030032032.129.428.327.225.223.622

13、.157.152.450.248.344.941.939.289.381.978.575.570.166.561.41291181131091019488178164157151140131123228209201193180168157292268258248230215201357327315302281262245436399383368342320299514471453435404377353607556534514477445417700641616592550513481807740710682634592554914838834773718670628注：表中鋼筋直徑中的6/8，8/10等系指兩種直徑的鋼筋間隔放置?；炷翉椥阅Ａ浚?#215;104N/mm2）強(qiáng)度等級(jí)C15C20C25C30C35