ZENGDAJIEMIANJIAGUFASHIYONGZENGDAJIEGOUGOUJIANHUOGOUZHUWUJIEMIANMIANJIJINXINGJIAGUDEYIZHONGFANGFA，TABUJINKEYITIGAOBEIJIAGUGOUJIANDECHENGZAINENGLI，ERQIEHAIKEYIJIADAQIJIEMIANGANGDU，GAIBIANQIZIZHENPINLV，SHIZHENGCHANGSHIYONGJIEDUANDEXINGNENGZAIMOUZHONGCHENGDUSHANGDEDAOGAISHAN，ZHEIZHONGJIAGUFANGFAGUANGFANYINGYONGYUJIAGUHUNNINGTUJIEGOUZHONGDELIANG、BAN、ZHUDENG。

1、增大截面加固法的适用范围

公益彩票ZENGDAJIEMIANJIAGUFASHIYONGYUGANGJINHUNNINGTUSHOUWANHESHOUYAGOUJIANDEJIAGU，DANGLIANG、BAN、ZHUQICHENGZAILIXIANGCHAJIAODA，QIEQIGANGDUYEBUMANZUYAOQIUSHI，CAIYONGZENGDAJIEMIANJIAGUJIAOWEIYOUXIAO。CAIYONGZENGDAJIEMIANJIAGUFASHIYAOQIUANXIANCHANGJIANCEJIEGUOQUEDINGDEYUANGOUJIANHUNNINGTUQIANGDUDENGJIBUDIYUC10。GAIFANGFASHIGONGSHIDEZHONGDIANSHIYAOBAOZHENGXINJIUHUNNINGTUJIEMIANDECHULIHEZHANJIEDEZHILIANG，ZHIYOUDANGJIEMIANCHULIJIQIZHANJIEZHILIANGFUHEGUIFANYAOQIUSHI，FANGKEKAOLVXINJIAHUNNINGTUYUYUANYOUHUNNINGTUDEXIETONGGONGZUO，ANZHENGTIJIEMIANJINXINGJISUAN。

2、受弯构件正截面加固计算的基本原则

（1）DANGJINZAISHOUYAQUJIAGUSHOUWANGOUJIANSHI，QICHENGZAILI、KANGLIEDU、GANGJINYINGLI、LIEFENGKUANDUJINAODUDEJISUANHEYANSUAN，KEANXIANXINGGUOJIABIAOZHUN《HUNNINGTUJIEGOUSHEJIGUIFAN》GB50010GUANYUDIEHESHISHOUWANGOUJIANDEGUIDINGJINXING。RUOYANSUANJIEGUOBIAOMING，JINXUZENGSHEHUNNINGTUDIEHECENGJIKEMANZUCHENGZAILIYAOQIUSHI，YEYINGANGOUZAOYAOQIUPEIZHISHOUYAGANGJINHEFENBUGANGJIN。

（2）ZAISHOULAQUJIAGUJUXINGJIEMIANSHOUWANGOUJIANSHI，KAOLVXINZENGSHOULAGANGJINDEZUOYONG，BINGDUIXINZENGGANGJINDEQIANGDUJINXINGZHEJIAN。

3、增大截面加固法的构造要求

公益彩票ZENGDAJIEMIANJIAGUFAZAISHEJIGOUZAOFANGMIANBIXUJIEJUEHAOXINJIABUFENYUYUANYOUBUFENDEZHENGTIGONGZUOGONGTONGSHOULIWENTI，SHIYANYANJIUBIAOMING，JIAGUJIEGOUZAISHOULIGUOCHENGZHONGJIEHEMIANHUICHUXIANLA、YA、WAN、JIANDENGGEZHONGFUZAYINGLI，QIZHONGGUANJIANSHIJIANLIHELALI。ZAIDANXINGJIEDUAN，JIEHEMIANDEJIANYINGLIHEFAXIANGYINGLIZHUYAOKAOJIEHEMIANLIANGBIANXINJIUHUNNINGTUDEZHANJIEQIANGDUCHENGDAN，ZAIKAILIEJIJIXIANZHUANGTAIXIA，ZHUYAOSHITONGGUOGUANCHUANJIEHEMIANDEMAOGUGANGJINHUOMAOGULUOSHUANSUOCHANSHENGDEBEIDONGJIANQIEMOCALICHUANDI。YOUYUJIEHEMIANHUNNINGTUDEZHANJIEKANGJIANQIANGDUJIZHANJIEKANGLAQIANGDUYUANYUANDIYUHUNNINGTUBENSHENQIANGDU，JIEHEMIANSHIJIAGUJIEGOUSHOULISHIDEBORUOHUANJIE，JIHUOSHIZHOUXINSHOUYAPOHUAIYEZONGSHISHOUXIANFASHENGZAIJIEHEMIAN。YINCI，JIEHEMIANBIXUJINXINGCHULI，TUSHUAJIEMIANJI，BIYAOSHIDUIJIEHEMIANCONGSHEJIGOUZAOSHANGPEIZHIZUGOUDEGUANCHUANYUJIEHEMIANDEJIANQIEMOCAJINHUOMAOGUJIANJIANGLIANGBUFENLIANJIEQILAI，SHIQUEBAOJIEHEMIANYOUXIAOCHUANLI，SHIXINJIULIANGBUFENZHENGTIGONGZUO。

4、增大截面加固法的施工要点

（1）JIAGUQIANDEXIEHE。JIAGUYIBANDOUCUNZAIXINJIABUFENYINGLIZHIHOUWENTI，WEILESHIXINJIUJIEGOUJINKENENGGONGTONGSHOULI，JIAGUQIANYINGJINLIANGXIEQUYUANJIEGOUSUOCHENGSHOUDEHEZAI，WANQUANHEJINGQUEDEXIEHEKECAIYONGQIANJINDINGFANXIANGJIAZAI，JIANDANDEXIEHEKEJINYIQUHUOHEZAI，BINGKONGZHISHIGONGHEZAI。

公益彩票（2）LIANJIEBIAOMIANDECHULI。DUIYUANYOUHUNNINGTUDEWENTIQINGLIZHIMISHIBUWEI，ZAOQUYIQIEFENGHUASUSONGCENG、TANHUAXIUCENGJIYOUWUCENG，BINGJIANGBIAOMIANZAOMAOHUODACHENGGOUCAO。GOUCAODESHENDUBUYIXIAOYU6mm,JIANJUBUYIDAYUGUJINJIANJUHUO200mm，BEIBAODEHUNNINGTULENGJIAOYINGDADIAO，TONGSHIYINGCHUQUFUCHA、CHENTU。YUANYOUHUNNINGTUBIAOMIANYINGCHONGXIGANJING，JIAOZHUHUNNINGTUQIAN，YUANHUNNINGTUBIAOMIANYINGBAOSHI，CAGANZHILIUSHUI，SHUAJINGSHUINIJIANGHUOTUSHUAJIEMIANCHULIJIJINXINGCHULI。YUANYOUHEXINSHESHOULIGANGJINYINGJINXINGCHUXIUCHULI；ZAISHOULIGANGJINSHANGSHIHANQIANYINGCAIQUXIEHEHUOZHICHENGCUOSHI，BINGYINGZHUGENFENQUFENDUANFENCENGJINXINGHANJIE，YIJINLIANGJIANSHAOHANJIERELIANGDUIGANGJINDEYINGXIANG。

（3）XINZENGCENGDESHIGONG。MOBANDASHE、GANGJINANZHIYIJIXINHUNNINGTUDEJIAOZHUHEYANGHU，YINGFUHEGUOJIABIAOZHUN《HUNNINGTUGONGCHENGSHIGONGJIYANSHOUGUIFAN》YAOQIU。

公益彩票（4）ZENGDAJIEMIANJIAGUFAJIAGUSHIGONGSHI，TUIJIANCAIYONGSHIGONGGONGYISHI：

公益彩票a、PENSHEHUNNINGTUJIAOZHUGONGYI，SHIGONGJIAOWEIJIANBIAN，HUNNINGTUZHILIANGHEJIEHEXINGNENGKEMINGXIANTIGAO，YUPUTONGHUNNINGTUXIANGBI，PENSHEHUNNINGTUZAOQIQIANGDUJIAOGAO，CHANGWENXIA24hDEKANGYAQIANGDUKEDA6.0～15.0Mpa，YUJIUHUNNINGTUDEZHANQIANGQIANGDUJIAOGAO，ZHANJIEKANGLAQIANGDUKEDA1.5～2.5Mpa，JIEJINHUNNINGTUBENSHENQIANGDU，BIPUTONGHUNNINGTUZHANJIEQIANGDUGAO2～4BEI。

b、HUNNINGTUGUANJIANGLIAO，JUTIYAOQIULINGXIANG。

5、增大截面加固法的工程应用

公益彩票DUIYUJIANZHILIANG，JINZHENGJIEMIANSHOUWANCHENGZAILIBUZUSHI，YIBANCAIYONGYULIANGDIBUZENGPEIGANGJINJIAGU；RUOXIEJIEMIANSHOUJIANCHENGZAILIYEBUZUSHI，YINGSANMIANBAOTAOBINGJIAPEIGUJINJIAGU，DUIYULIANXULIANG，JINZHIZUOBUWEIFUWANJUSHOUWANCHENGZAILIBUZUSHI，KEYUDINGMIANZENGPEIGANGJINJIAGU；RUOZHENGFUSHOUWANCHENGZAILIJUNBUZUSHI，YINGSHUANGMIANZENGPEIGANGJINJIAGU；RUOSHOUJIANCHENGZAILIYEBUZUSHI，SHANGYINGSANMIANHUOSIMIANBAOTAOZENGPEIGUJINJIAGU。

公益彩票DUIYUZHU，YINGGENJUSHOULIQINGKUANGHESHIJIGOUZAODEBUTONG，FENBIECAIYONGSIMIANBAOTAO、SANMIANBAOTAOYIJIZHUYAOSHOULIFANGXIANGDELIANGMIANBAOTAOJIAGU。JIEMIANCHENGZAILIBUZUZHEZHONGZENGPEIGANGJIN，ZHOUYABICHAOBIAOHUOHUNNINGTUQIANGDUPIANDI，ZEZHEZHONGZENGDABAOTAOMIANJIJIHUNNINGTUQIANGDUDENGJI。

DUIYUQIANG，YOUDANMIANJIAGUHESHUANGMIANJIAGU，YIBANSHIDUIZHENGJIAGU，QUEGANGJINBUGANGJIN，RUOHUNNINGTUQIANGDUPIANDIHUOZHOUYABICHAOBIAO，ZEZHEZHONGTIGAOJIAGUCENGHOUDUJIHUNNINGTUQIANGDU。

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