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碳纤维加固施工工艺

发表时间:2018-11-19 9:46:43  阅读次数:

碳纤维加固施工工艺

碳纤维加固包括碳纤维布加固碳纤维板加固两种。碳纤维材料用于混凝土结构加固修补的研究始于80年代美、日等发达国家。我国的这项技术起步很晚,但随着我国经济建设和交通事业的飞速发展,现有建筑中有相当一部分由于当时设计荷载标准低造成历史遗留问题,一些建筑由于使用功能的改变,难以满足当前规范使用的需求,亟需进行维修、加固。

MUQIANCHANGYONGDEJIAGUFANGFAYOUHENDUO,RU:JIADAJIEMIANFA、WAIBAOGANGJIAGUFA、ZHANGANGJIAGUFA、TANXIANWEIJIAGUFADENG。TANXIANWEIJIAGUXIUBUJIEGOUJISHUSHIJIJIADAHUNNINGTUJIEMIAN、ZHANGANGZHIHOUDEYOUYIZHONGXINXINGDEJIEGOUJIAGUJISHU。


适用范围

TANXIANWEIJIAGUFAKEYONGYUHUNNINGTUJIEGOUKANGWAN、KANGJIANJIAGU,TONGSHIGUANGFANYONGYUGELEIGONGYEYUMINYONGJIANZHUWU、GOUZAOWUDEFANGZHEN、FANGLIE、FANGFUDEBUQIANG。HUNNINGTUJIEGOUWU、QIAOLIANGJIJIANZHUWUDELIANG、ZHU、MIANBANJIAGU。SUIDAO、GANGWANSHESHI、YANCONG、CANGKU、CHANGFANGDEJIAGU。SHOUYANHAIDEHUNNINGTU、QIAOLIANGYIJIHECHUANGOUZAOWUDEFANGHUHEJIAGU。


工艺原理

JIANGKANGLAQIANGDUJIGAODETANXIANWEIYONGHUANYANGSHUZHIYUJINCHENGWEIFUHEZENGQIANGCAILIAO(DANXIANGLIANXUXIANWEI);YONGHUANYANGSHUZHIZHANJIEJIYANSHOULAFANGXIANGHUOCHUIZHIYULIEFENGFANGXIANGZHANTIEZAIYAOBUQIANGDEJIEGOUSHANG,XINGCHENGYIGEXINDEFUHETI,SHIZENGQIANGZHANTIECAILIAOYUYUANYOUGANGJINHUNNINGTUGONGTONGSHOULIZENGDAJIEGOUDEKANGLIEHUOKANGJIANNENGLI,TIGAOJIEGOUDEQIANGDU、GANGDU、KANGLIEXINGHEYANSHENXING。


工艺流程

SHIGONGZHUNBEI →TONGBIAOMIANCHULI →TUSHUADIJIAO →GOUJIANBIAOMIANCANQUEMIANXIUBU →ZHANTIETANXIANWEI →BIAOMIANYANGHU →ZHAOPINGCAILIAOPEIZHI →DICENGHUOSHUZHIPEIZHI →JINZISHUZHIPEIZHI


操作要点

一、混凝土表面处理

1、 JIANGHUNNINGTUGOUJIANBIAOMIANDECANQUE、POSUNBUFENQINGCHUGANJING。

2、 DUIJINGGUOTIZAO、QINGLIHELUJINDEGOUJIANCANQUEBUFEN,JINXINGXIUBU、FUYUAN。

3、 LIEFENGXIUBU:FENGKUANXIAOYU0.2mmDELIEFENG,YONGHUANYANGSHUZHIJINXINGBIAOMIANTUSHUAMIFENG;DAYU0.2mmDELIEFENGYONGHUANYANGSHUZHIGUANFENG。

4、 DAMO:JIANGGOUJIANBIAOMIANTUCHUBUFEN(HUNNINGTUGOUJIANJIAOJIEBUWEI、MOBANDEJIECHADENG)DAMOPINGZHENG,XIUFUHOUDEGOUJIANBIAOMIANJINLIANGPINGSHUN。

5、 QINGXIDAMOGUODEGOUJIANBIAOMIAN,BINGSHIQICHONGFENGANZAO。


二、缺陷部位涂刷底胶

JIANGPEIHAODEDIJIAO(ZHANJIEJI),YONGTUSHUAJUNYUNYUQUEXIANBUWEIDETONGBIAOMIAN。


三、构件表面残缺面的修补

YONGHUANYANGNIZIDUIGOUJIANBIAOMIANCANQUEMIANDEXIUBUSHISHIFENZHONGYAODEYIBU,YAODIANRUXIA:

1、 NIZIZHUJI、GUHUACUIJINJI、GUHUAJIANGUIDINGBILICHENGLIANGZHUNQUE,ZHUANGRURONGQI,YONGJIAOBANQIJIAOBANJUNYUN。

2、 GOUJIANBIAOMIANAOXIANBUWEIYONGHUANYANGNIZITIANPING,XIUFUZHIBIAOMIANPINGZHENG。ZAICANQUEXIUBUZHONGSHIYONGHUANYANGNIZISHI,YAOZAIQIWEN-5℃YISHANG,XIANGDUISHIDUXIAOYU85%DETIAOJIANXIASHIGONG。NIZITUGUAHOU,BIAOMIANRENGCUNZAIDEAOTUCAOWEN,YINGZAIYONGSHAZHIDAMOPINGZHENG。


四、 涂刷底胶

JIANGPEIHAODEDIJIAO(ZHANJIEJI),YONGGUNTONGJUNYUNTUSHUAYUXUYAOZHANJIEDETONGBIAOMIAN。


五、粘贴碳纤维

ZHANTIETANXIANWEICAILIAOZHIQIAN,SHOUXIANYINGQUERENZHANTIEBIAOMIANGANZAO。QIWENZAI-10℃YISHANG,XIANGDUISHIDURH>85%SHI,RUWUYOUXIAOCUOSHIBUDESHIGONG。WEIFANGZHITANXIANWEISHOUSUN,ZAITANXIANWEICAILIAOYUNSHU、CHUCUN、CAIQIEHEZHANTIEGUOCHENGZHONG。YINGYONGGANGZHICHIYUBIZHIDAOANGUIDINGCHICUNQIEDUANTANXIANWEICAILIAO,MEIDUANZHANGDUYIBANYIBUCHAOGUO6mWEIYI。WEIFANGZHICAILIAOZAIBAOGUANGUOCHENGZHONGSUNHUAI,CAILIAODECAIQIESHULIANGYINGANDANGTIANDEYONGLIANGCAIQIEWEIZHUN。TANXIANWEIZONGXIANGJIETOUBIXUDAJIE20cmYISHANG。GAIBUWEIYINGDUOTUSHUZHI,TANXIANWEIHENGXIANGBUXUYAODAJIE。

QISHIGONGGONGYIYAODIANRUXIA:

1、 ZHANTIESHUZHIDEZHUJI、GUHUACUICUJIHEGUHUAJIYINGANGUIDINGDEBILICHENGLIANGZHUNQUE,ZHUANGRURONGQI,YONGJIAOBANQIJIAOBANJUNYUN。YICIDIAOHELIANGYINGYIZAIKESHIYONGSHIJIANNEIYONGWANWEIZHUN。

2、 ZHANTIESHI,ZAITANXIANWEIHESHUZHIZHIJIANJINLIANGBUYAOYOUKONGQI。KEYONGLUOLA(ZHUANYONGGONGJU)YANZHEXIANWEIFANGXIANGZAITANXIANWEICAILIAOSHANGGUNYADUOCI,SHISHUZHISHENJINRUTANXIANWEIZHONG。


六、养护

ZHANTIETANXIANWEICAILIAOHOU,XUZIRANYANGHU1-2XIAOSHIDADAOCHUQIGUHUA,YINGBAOZHENGGUHUAQIJIANBUSHOUWAIJIEGANRAOHEPENGZHUANG。


七、 涂装

RUOJIAGUBUQIANGGOUJIANXUYAOFANGHUOSHI, KEZAISHUZHIGUHUAHOUTUSHUANAIHUOTUCENG。TUZHUANGYINGZAISHUZHICHUQIGUHUAHOUJINXING,BINGYINGZUNSHOUSUOYONGTULIAODEXIANGGUANBIAOZHUNHESHIGONGGUIDING。


质量要求

1. SUOYOUJINCHANGCAILIAO,BAOKUOTANXIANWEICAILIAOHEJIAOJIECAILIAO,BIXUFUHEZHILIANGBIAOZHUN,BINGJUYOUCHUCHANGCHANPINHEGEZHENG,FUHEGONGCHENGJIAGUBUQIANGSHEJIYAOQIU。

2. TANXIANWEICAILIAOZAIYUNSHU、CHUCUNZHONGBUDESHOUJIYA,YIMIANTANXIANWEISHOUSUN,YEBUDEZHIJIERISHAIHEYULIN,JIAOJIECAILIAOYINGYINLIANGMIBICHUCUN。

3. GEGONGXUDESHIGONGZHILIANG,YOUJISHURENYUANFUZEZHIDAO、JIANDU,MEIYIDAOGONGXUWANCHENGHOUTIQINGJISHUYUANJIANCHA、RENKEHOU,CAINENGJINXINGXIADAOGONGXU。

4. TUDICENGTULIAO

TULIAOYINGTUSHUAJUNYUN、BUDELOUTU,YANJINZAIBUSHIHEQIWENTIAOJIANXIASHIGONG,TIANJIARONGJIXISHIHOUDETULIAOYINGZAIGUIDINGSHIJIANNEIYONGWAN。

WENDUDIYU7℃,XIANGDUISHIDURH<85%,HUNNINGTUBIAOMIANHANSHUILVZAI8%YIXIA,WUJIELUXIANXIANGSHI,BIXUSHIYONGGAIXINGHUANYANGSHUZHI。

5. GOUJIANBIAOMIANCANQUEXIUBU

GOUZAOWUBIAOMIANXIAOKONG、NEIJIAOBIXUYONGHUANYANGNIZIXIUBUPINGZHENG,NIZITUGUAHOU,BIAOMIANRENGCUNZAIDEBUPINGCAOWEN,YINGZAIYONGSHAZHIMOPING。

6. ZHANTIETANXIANWEI

①TIETANXIANWEICAILIAOSHIXUFUHEXIASHUTIAOJIAN:

a、TANXIANWEICAILIAOYINGANGUIDINGCAIQIE。

b、QIWEN、KONGQISHIDU、GOUJIANBIAOMIANHANSHUILVDENGFUHEYAOQIU。

c、DICENGTULIAOJINIZIDADAOZHICHUGANZAO(SHUZHIBIAOMIANDADAOGUHUAYINGJIE)。

d、ZHANJIESHUZHIDELEIXINGYUSHIGONGSHIDEQIWENSHIHE,ZHUJIHEGUHUAJI、GUHUACUJINJIYINGANGUIDINGDEBILICHENGLIANGZHUNQUE,ZHUANGRURONGQI,YONGJIAOBANQIJIAOBANJUNYUN,YICIDIAOHELIANGYINGZAIGUIDINGSHIJIANNEIYONGWAN。

②TANXIANWEIZHANTIEDEZHILIANGJIANYANBIAOZHUN。

a、XIATUHESHANGTUSHENJINRUTANXIANWEISHULIANGHAO。

b、TANXIANWEIZHANJIEYANSHI。

c、DUIYUZHIJINGZAI10mmYISHANG30mmYIXIADEKONGGU,MEIPINGFANGMISHAOYU10GEKERENWEIHEGE;RUOMEIPINGFANGMIZAI10GEYISHANG,ZERENWEIBUHEGE,XUJINXINGBUXIU。DUIYUZHIJINGZAI30mmYISHANGDEKONGGU,ZHIYAOCHUXIAN,JIRENWEIBUHEGE,XUJINXINGBUXIU。

d、SHUNXIANWEIFANGXIANGDAJIEZHANGDUBUXIAOYU20cm,GECENGZHIJIANDEDAJIEBUWEIBUDEWEIYUTONGYITIAOZHIXIANSHANG,CENGJIANBIXUCUOKAIZHISHAO50cm。

e、TANXIANWEICAILIAOGUIGE,ZHANTIEWEIZHI、ZHANGDU、KUANDU、XIANWEIFANGXIANG、CENGSHUFUHEGUIDING。