一、鋼筋混凝土板最小配筋量mm2混凝土標(biāo)號(hào)鋼筋種類0.45ft/fy和0.2%的較大值板厚(mm)為下行數(shù)值時(shí)每米寬范圍內(nèi)最小配筋mm290100110120130140150160170C20ft=1.10HPB2350.236%212236260283307330354378401HRB3350.200%180200220240260280300320340HRB4000.200%180200220240260280300320340C25ft=1.27HPB2350.272%245272299326354381408435462HRB3350.200%180200220240260280300320340HRB4000.200%180200220240260280300320340C30ft=1.43HPB2350.306%275306337367398428459490520HRB3350.215%194215237258280301323344366HRB4000.200%180200220240260280300320340C35ft=1.57HPB2350.336%302336370403437470504538571HRB3350.236%212236260283307330354378401HRB4000.200%180200220240260280300320340C40ft=1.91HPB2350.409%368409450491532573614654695HRB3350.287%259287316345373402431459488HRB4000.239%215239263287311335359383406每米板寬內(nèi)的鋼筋截面面積表鋼筋間距（mm）當(dāng)鋼筋直徑（mm）為下列數(shù)值時(shí)的鋼筋截面面積（mm2）678910121416182022252828.338.550.263.678.5113.0153.9201.0254.3314.0379.9490.6615.450565769100512721570226130774019508762807599981370404550718908112116152198287136334486542870098792753775136708481047150720512679339141875066654282068035348162879598114131923251231793925474961337693903144275587078721256171022332826348942225451683810028338550263678511301539201025433140379949066154110257350457578714102813991827231228553454446055951202363214195306549421282167521202617316640895129125226308402509628904123116082035251230403925492413021729638648960487011841546195624152923377447341402022753594545618071099143518172243271435044396150188256335424523754102613401696209325333271410316017724031439749170796212561590196323753066384717016622629637446266590511821496184722352886362017516122028736344964687911481453179421712804351718015721427935343662885511161413174421112726341919014920226433541359581010581339165320002582323920014119225131839356576910051272157019002453307725011315420125431445261580410171256152019632462300941281672122623775136708481047126616352051鋼筋的計(jì)算截面面積及理論質(zhì)量公稱直徑/mm不同根數(shù)鋼筋的計(jì)算截面面積/mm2單根鋼筋理論質(zhì)量/（kg/m）1234567891011628.357851131411701982262542833110.2226.533.266991331661992322652983323650.261738.5771151541922312693083463854230.302850.21001512012513013524024525025530.3958.252.81061582112643173694224755285810.415963.61271912543183824455095726366990.5001078.51572363143934715506287077858640.61712113.02263394525656787919041017113012430.88814153.9308462615769923107712311385153916921.20916201.040260380410051206140716081809201022111.58018254.3509763101712721526178020352289254327981.99920314.0628942125615701884219825122826314034542.46822379.97601140152019002280266030403419379941792.98625490.69811472196324532944343439254416490653973.85628615.412311846246230773693430849245539615467704.83732803.816082412321540194823562764317235803888426.318361017203530524069508761047122813991567.996梁縱向鋼筋單排最大根數(shù)

(凈保護(hù)層厚度：25mm）梁寬b（mm）鋼筋直徑（mm）141618202225283236401502/32/322221/211120043/43/43332/3221/2250554/54/543/432/3223006/765/65/654/543/432/33507/876/76/765/64/543/434008/98/97/87/86/76/75/64/54/53/44509/109/108/98/97/97/86/75/64/54/550010/1210/1110/119/108/107/96/86/75/64/555012/1311/1211/1210/119/118/107/96/85/75/660013/1412/1412/1311/1210/129/118/107/86/75/7梁寬b14161820222528323640注：表內(nèi)分?jǐn)?shù)值，其分子為梁上部縱筋單排最大根數(shù)，分母為梁下部鋼筋單排最大根數(shù)。梁縱向鋼筋單排最大根數(shù)

(凈保護(hù)層厚度：30mm）梁寬b（mm）鋼筋直徑（mm）141618202225283236401502222221/21112003/433332/32/3221/225054/54/5443/432/32230065/65/654/54/543/432/33507/86/76/76/75/65/64/543/434008/987/87/86/76/75/64/54/53/44509/109/108/98/97/86/86/75/64/54/550010/1110/119/109/108/97/96/86/75/64/555011/1211/1210/1110/119/108/107/96/85/75/660012/1412/1311/1311/1210/129/118/107/86/75/7梁寬b14161820222528323640注：表內(nèi)分?jǐn)?shù)值，其分子為梁上部縱筋單排最大根數(shù)，分母為梁下部鋼筋單排最大根數(shù)。柱縱向鋼筋單排最大根數(shù)

(凈保護(hù)層厚度：30mm）柱寬b（mm）鋼筋直徑（mm）1416182022252832364025033333332223004444433333350555444443340065555554444506666655544500777766655555088777766656009888877766650109998887767001010109998877750111110101099888800121111111010109988501312121211111010999001313131212111110109柱寬b14161820222528323640柱縱向鋼筋單排最大根數(shù)

(凈保護(hù)層厚度：35mm）柱寬b（mm）鋼筋直徑（mm）141618202225283236402503333332222300444433333335055444444334005555554444450666655554450077766665555508877776665600988887776665099998887767001010109998877750111110101099888800121111111010109988501212121111111010999001313121212111110109柱寬b14161820222528323640每米板寬內(nèi)的鋼筋截面面積表鋼筋間距（mm）當(dāng)鋼筋直徑（mm）為下列數(shù)值時(shí)的鋼筋截面面積（mm2）44.5568101214161820222570758090100180********01262272121991771592802622452181964043773533142837186706285595031122104798287378516161508141412571131219920531924171015392872268125132234201136353393318128272545448841893927349131425430506847524224380170126545613654544909110120125130140150114105101979084145133127122114106178********11401312572362262172021884574194023873593357146546286045615241028942905870808754139********2118411001026182********815471436134023132121203619571818169628562618251324172244209434563168304129242715253444624091392737763506327216017017518019020079747270666399949188848012311511210910398177********7149141314296287279265251491462449436413392707665646628595565962906880855810770125711831149111710581005159********4141413391272196318481795174516531571237622362172211220011901306828872805272725842454250300504264537965113942011683142624523776165138046701018848125710471521126719631636鋼筋間距44.55681012141618202225附加箍筋承受集中荷載承載力表附加箍筋承受集中荷載承載力表[F]（kN）鋼筋級(jí)別箍筋箍

筋

個(gè)

數(shù)肢數(shù)直徑(mm)每側(cè)1個(gè)(共2個(gè))每側(cè)2個(gè)(共4個(gè))每側(cè)3個(gè)(共6個(gè))每側(cè)4個(gè)(共8個(gè))HPB235(Ⅰ級(jí))雙肢623.847.571.395.0842.284.4126.7168.91066.0131.9197.9263.91295.0

190.0285.0380.014129.3258.6387.9517.2四肢647.595.0142.5190.0884.4168.9253.3337.810131.9263.9395.8527.812190.0380.0570.0760.014258.6517.2775.81034.5鋼筋級(jí)別箍筋箍

筋

個(gè)

數(shù)肢數(shù)直徑(mm)每側(cè)1個(gè)(共2個(gè))每側(cè)2個(gè)(共4個(gè))每側(cè)3個(gè)(共6個(gè))每側(cè)4個(gè)(共8個(gè))HRB335(Ⅱ級(jí))雙肢633.967.9101.8135.7860.3120.6181.0241.31094.2188.5282.7377.012135.7271.4407.2542.914184.7369.5554.2738.9四肢667.9135.7203.6271.48120.6241.3361.9482.510188.5377.0565.5754.012271.4542.9814.31085.714369.5738.91108.41477.8附加吊筋承受集中荷載承載力表附加吊筋承受集中荷載承載力表[F]（kN）鋼筋級(jí)別鋼筋直徑