v1.0可编辑可修改1混凝土参数（N/mm2）混凝土强度等级强度标准值强度设计值模量抗压抗拉抗压抗拉弹性剪变疲变fckftkfcftEcGc=EcfC15x104C20x104x104C25x104x104x104C30x104x104C35x104x104x104C40x104x104x104C45x104x104x104C50x104x104x104C55x104x104x104C60x104x104x104C65x104x104x104C70x104x104x104C75x104x104x104C80x104x104x104普通钢筋参数（N/mm2）种类极限强度标准值fstk屈服强度标准值fyk抗拉强度设计值fy抗压强度设计值fy'横向钢筋抗拉设计值fyvEsHPB300420300270270270x105HRB335455335300300300x105HRB400540400360360360x105HRB500630500435410360x105v1.0可编辑可修改2界限受压区高度b混凝土强度≤C50C55C60C65C70C75C80有屈服点HPB300HRB335HRB400HRB500无屈服点HPB300HRB335HRB400HRB500β1不超过C50时，取为，C80时，，其间按线性内插法确定。α1不超过C50时，取为，C80时，，其间按线性内插法确定。截面受拉区配置不同种类的钢筋时，ξb应分别计算，并取其较小值。附加箍筋承受集中荷载（HPB300）(kN)箍筋直径两侧双肢箍筋总个数1468106810121416每根附加吊筋承受集中荷载(kN)吊筋直径HPB300级HRB335级HRB400级45度60度45度60度45度60度v1.0可编辑可修改310121416182022252832v1.0可编辑可修改4纵向受拉钢筋的锚固长度laE钢筋种类抗震等级混凝土等级C15C20C25C30C35C40C45C50C55≥C60HPB300一、二三四、非抗震HRB335一、二三四、非抗震HRB400一、二三四、非抗震HRB550一、二三四、非抗震v1.0可编辑可修改5注：1锚固长度修正系数详见《混规》8.3.2条。2搭接长度取值：纵向钢筋搭接接头面积百分率≤25%时，取倍锚固长度，50%时，取倍，100%时取倍。受压构件全部纵向钢筋最小配筋率(%)《混》8.5.1钢筋种类混凝土等级C15C20C25C30C35C40C45C50C55C60C65C70C75C80HPB300HRB335HRB400HRB500受弯、偏心受拉、受拉构件一侧受拉钢筋最小配筋率(%)和45ft/fyHPB300HRB335v1.0可编辑可修改6HRB400HRB500板类（悬臂板除外）构件纵向受拉钢筋的最小配筋率(%)C15C20C25C30C35C40C45C50C55C60C65C70C75C80HPB300(Ⅰ)HRB335(Ⅱ)HRB400(Ⅲ)HRB500受压构件一侧纵向钢筋的最小配筋率(%)1m宽板内钢筋面积统计（mm2）钢筋间距钢筋直径(mm)2045676/8898/101010/121212/141414/161660523620932747164165483810601073130915971885222525662958335180157245353481491628795805982119814141669192422192513v1.0可编辑可修改785148231333453462591748758924112713311571181120882365901402183144284365597077168731065125714841710197222349513220729840541352967067882710091190140516201868211610012619628338539350363664478595811311335153917752011110114178257350357457578585714871102812141399161418281201051642363213274195305376547989421113128314791676125101157226308314402509515628767905106812321420160813015121729630238748949560473787010271184136515471401402022752803594544605616848089541100126814361501311882572623354244295246397548901026118313401601231772412453143984034915997078349621109125717011516622623129637437946256466578590610441183180109157214218279353358436532628742855986111719010314920320726533533941350459570381093410582001921962513183223934795656687708871005v1.0可编辑可修改8220129175178228289293357436514607700807914240118160164209265268327399471556641740838250113154157201254258314383452534616710804框架梁纵向受拉钢筋的最小配筋率(%)《高》6.3.7；《混》备注一级(支座)和80ft/fyHPB3001抗震时，梁端底面和顶面钢筋面积比，一级≥，二三级不≥。2沿梁顶面和底面的至少布置两根通长钢筋，一二级≥14mm，且不应小于相应纵筋面积的1/4。三四级≥12mm，3一二三级框架梁中贯HRB335HRB400HRB500一级(跨中)二级(支座)和65ft/fyHPB300HRB335HRB400HRB500二级(跨中)HPB300v1.0可编辑可修改9三四级(支座)和55ft/fyHRB335通中柱的每根纵向钢筋的直径，不宜大于柱1/20该方向截面尺寸，圆柱，取该方向弦长。4特一级取值同一...
