钢筋搭接、锚固长度技术交底.docx
一、钢筋锚固长度计算表受拉钢筋锚固长度/.、钢售种类混凝土强度等级C2005C30C35C40C45C50C55>C60d<25</<25d>2id<2id>25d<25d>2i</<25d>2:dv2td>25</<25d>2:<i<25d>2t<<25d>2iIPB3M39d34d一3Od一28d一25d-24d-23d-22d2ld一HRB335.HBF3353碗33d一29d-27d一254-23d一22d2d-2d一HR40<J.NRBFJOQUB404Od44d35d39432435d29d32d231427430d26d29d2Sd28dHRBSOO.HRBF500一48d5H43447d3944M36«/4Od34d37d31d35d31d34d30d33d受拉钢筋抗震锚固长度小的能种差及抗震等统混凝土强度等统C20C25C30C35C40C45C50C55>C60d<25d<l*d>25d,2*</>23d<25d>2*<2*d>2!d<2i</>25<25d>2*d<25d>2*c<25d>2*HPB500一.二蝮45d39435d一32d2942M一Zbd-25d-24c-三级d36,-32d29d-26d一25d一24234-22tiIIRB335HRBF335一.二级44438,一33d一3d一294Ibd-25d-24d-24一三皴4(W33d30284一26<-24d一23d-22d-21dHRB400HRBF400一二破一46d5ld4Od45437d4033d3731d36dZd35d3(W33d29d324三破一42d46<374SId34d3743QdMd29<28d32d27d3Od26d294HRB500HRBFSOO一.二级一5Sd61d49dZdASd49d4d46d39d43d37d4(W3639d35d38三级一SOdSbd4Sd49dAXd45438442d3bd39d34d37d3M36d32d35d钢筋种类（三级）抗震锚固T长度LaEC30C35C40C45C50C55C60锚固长度37d34d30d29d28d27d26dHRB400ED=8296272240232224216208HRB400ED=IO370340300290280270260HRB400ED=12444408360348336324312HRB400ED=14518476420406392378364HRB400ED=16592544480464448432416HRB400ED=18666612540522504486468HRB400ED=20740680600580560540520HRB400ED=22814748660638616594572HRB400ED=25925850750725700675650二、钢筋搭接长度计算表纵向受拉钢筋抗震搭接长度展钢篇卷类及同一区段内务按铜箭杳史百分率C20C25C30C3SC40C45CSOC5SC6025d<25(/>25<<2*d>25d<25>2,</<25d>2Sd<2Sd>2i<2Sd>2Sd<2Sd>2Sd<2Sd>2*二.HPB30<251S4447d一42d一38d一354一34d一31,一3(W一29d一50K63d55d一49<Z45d一41<一39d一3hd一35,一34d-HRB335HRBF335<25%53d46<Z.4Od一37,一354一314一3(W-29<一23d一50%62d53d一46443d一4d一Zbd一35d一34d一34d一HKB460HRBF40。<25%SSd61d48d54J44t48d4(W44438443d31dAld36d4Od35d3850%644ld56d6M52dSbd46452d4Sd5Od43d494424464ld45dIRB5WHRBF500<25%一66d7M59465d54d59d4955,Ald52d4Ad48d43d47dAld46d50%Ild854694Ibd63d69457d64dSSd6052d5650d55d4945M三级抗震等级HPB3M<25«49434一3835d314-30一29d一2%d一264一$0%5750454-4ld一364一354一34d-324一314一HRB338RBF335<25%4842d3bd34d314一29d一23d2bd一2bd一50%SW49一42d一39d一364一34一324一31d一31一RRBFWO<25%一50«/55<44449，41444<3614135<4034d38432d3631435d50%一594645257<48452d4244841463944538442d36441Q/6067<5459<4954446450</43d47(/4】d44d40d3842一7(k786369457d6H53d595M55<43dS246JSOd45<49d钢筋种类50%搭接率，搭接长度LIEC30C35C40C45C50C55C60搭接长度52d48d42d41d39d38d36dHRB400ED=8416384336328312304288HRB400ED=IO520480420410390380360HRB400ED=12624576504492468456432HRB400ED=14728672588574546532504HRB400ED=16832768672656624608576HRB400ED=18936864756738702684648HRB400ED=201040960840820780760720HRB400ED=2211441056924902858836792HRB400ED=251300120010501025975950900注：两根不同长度的钢筋搭接时，d取较小钢筋的直径;钢筋工程施工中，起步钢筋距离按如下表施工，现统计如下:部位构件起步钢筋起步距离依据备注独立基创底板双向钢筋1/2板筋间差且s75mm16GIOl-3第69页执行"2板筋间16Glol-3第69页执行条形基础底板钢筋1/2板昉间隹目s7Smm16G1013第76页叁考执行1/2板筋间16GlOI-3第76页参考执行基础梁翁筋SOmm16GlOl-3第79-80页执行地下根架架笠防SOmm12G901-3第5-2页参考架板式筏形基因板筋1/2板筋间罡且s7Smm16GlOl-3第89页执行BlMjeiM1/2板筋间距且s75mm12G901-3第3-363-37员不作为依据平板式筏形H础板筋1/2板筋间距且7Smm16GloI-3第93页执行A基础连系梁笳筋SOmm16G1013第105页T-”黄言P剪力地连筋50mm16GloI1第78页执行水平分布舫曾向分确50mmx100mm16G1011第71,74页执行100mm16G101-1S774J5参考断50mm16G1O11第99页不作为依Jg驹分布翩奥16GIOI阑7页参考竖向分布筋雕16Glol-阑顶参考执行100mm16G101-1J677J5参考执行Ii50mmx100mm16G10"JS67,68页执行50mm12G9011第3/8页参考50mm12G9011第318页参考小盘群50mm12G901-1JS2-8J5巢Ii颗、非福架梁籀筋50mm16G101/笫88'89页执行16G1011第8
