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桥梁加固

来源:新时代加固公司     发布时间:2017-03-07

  一、桥梁加固的步骤与基本原则

  YIBANLAISHUO,QIAOLIANGDEJIAGUBAOKUOXIANYOUQIAOLIANGDEGAIZAOJIBINGHAIQIAOLIANGDEXIUFU。QIZHONG,XIANYOUQIAOLIANGDEGAIZAOYIBANSHIYOUYUXIANZAIJIAOTONGYUNSHULIANGDEZENGZHANG、SHEJIHEZAIBIAOZHUNDETIGAO、GONGLULUJIKUANDUDETUOKUANDENGSHIYIXIEQIAOLIANGYIBUNENGMANZUDANGQIANJIAOTONGYUNSHUDEYAOQIUERJINXINGGAIZAO;BINGHAIQIAOLIANGDEXIUFUYIBANSHIYOUYUQIAOLIANGCAILIAODELAOHUA,YUNYINGYANGHUDEBUDANGDENGSHIYIXIEQIAOLIANGCHUXIANLEBINGHAIERJINXINGWEIXIU。QIAOLIANGDEJIAGUYUQIAOLIANGDESHEJIYIYANG,CHULEYINGMANZUSHEJIGUIFAN,FUHEJISHUKEXING、JINGJIHELI、JIEGOUANQUANDEYUANZEWAI,HAIBIXUJINGGUOYIDINGDECHENGXUHEBUZHOU,ZHEIJIUSHISUOWEIDEJIAGUGAINIANSHEJI。

  

 

  1、QIAOLIANGJIEGOUYOUYUJIEGOUSHIXIAOHUOSUNSHANGJINGPINGGUBUNENGMANZUJIEGOUANQUANHUOZHENGCHANGSHIYONGYAOQIUSHI,BIXUJINXINGJIAGU。JIAGUSHEJIDENEIRONGJIFANWEI,YINGGENJUPINGGUJIELUNHEWEITUOFANGTICHUDEYAOQIUQUEDING,KEYIBAOKUOZHENGTIQIAOLIANG,YEKEYISHIZHIDINGDEQUDUANHUOTEDINGDEGOUJIAN;

  2、JIANLIJIYOUQIAOLIANGWEIXIU、JIAGU、ZHONGJIANDEJINGJIFENXIMOXING,TONGGUOFENXIBIJIAO,XUANZEJISHUKEXING、JINGJIHELI、DUIXIANYOUJIAOTONGGANRAOJIAOXIAODEFANGANSHISHI,YIBAOZHENGGAIZAOHOUDEQIAOLIANGNENGANQUANYUNYING;

  3、GENJUXUYAOGAIZAOQIAOLIANGDEPINGGUJIELUNJIJINGJIFENXI,DANGDEZHIXIANYOUQIAOLIANGKEYITONGGUOJIAGU、WEIXIUDADAOSHIYONGYAOQIUDEJIELUNHOU,ZAITICHUQIAOLIANGJIAGUDESHEJIFANGAN;

  4、DUIYUDAQIAO、TEDAQIAO,QIZHUYAOCHENGZHONGGOUJIANXUYAOJIAGUBUQIANGSHI,JIAGUSHEJIFANGANYING≮2GE,JINXINGFANGANBIXUANHEJINGJIPINGGU,XUANZEZUIJIAJIAGUFANGAN;

  5、JIAGUSHEJIJISHIGONGJINLIANGBUSUNHUAIYUANJIEGOU,BINGBAOLIUJUYOULIYONGJIAZHIDEGOUJIAN,BIMIANBUBIYAODECHAICHUHUOGENGHUAN;

  6、JIAGUSHEJIYINGYUSHIGONGFANGFAJINMIJIEHE,BINGCAIQUYOUXIAOCUOSHI,BAOZHENGXINLAOJIEGOULIANJIEKEKAO、XIETONGGONGZUO;

  7、JIAGUSHEJIYINGANJIEGOUSHIJISUNHUAIQINGKUANGJINXINGJISUAN;

  8、ZAIJIAGUSHIGONGZHONG,YINGJINKENENGJIANSHAODUIQIAOSHANGHEQIAOXIADETONGXINGCHELIANGJIXINGRENDEGANRAO,CAIQUBIYAODECUOSHI,JIANSHAODUIZHOUWEIHUANJINGDEWURAN;

  9、ZAISHIGONGGUOCHENGZHONG,RUOFAXIANYUANJIEGOUHUOXIANGGUANGONGCHENGYINBIBUWEIDEGOUZAOYOUYANZHONGQUEXIANSHI,YINGLIJITINGZHISHIGONG,HUITONGJIAGUFANGANSHEJIZHEJINXINGYANJIU,DAICAIQUYOUXIAOCUOSHICHULIHOU,FANGNENGJIXUSHIGONG;

  10、JIAGUSHIGONGZHONG,YINGCAIQUANQUANJIANCECUOSHI,QUEBAORENYUANJIJIEGOUANQUAN。

  ZONGZHI,ZAIJUTIDEJIAGUSHEJIZHONG,BIXUSHOUXIANMINGQUEZHEIZHONGJIAGUYUANZE,CAINENGZUODAO“LAOGUKEKAO、JIANBIANNAIYONG、JINGJISHIYONG”。

  

 

  二、桥梁加固的方法

  JIAGU,JIANDANLAISHUO,JIUSHITONGGUOYIDINGDECUOSHISHIGOUJIANNAIZHIZHENGGEJIEGOUDECHENGZAINENGLIJIQISHIYONGXINGNENGDEDAOTIGAO,YIMANZUXINDEYAOQIU。ZHEIXIECUOSHIBAOKUOZHIJIEZHENDUIZHENGGEJIEGOUDE,RUTIWAIYUYINGLI,GAIBIANLEJIEGOUDEYINGLIZHUANGTAI,SHIQIHUIDAOYUANSHEJIZHUANGTAIHUOZHEGENGSHIYINGXINDEYAOQIU;YOUXIECUOSHISHIZHENDUIJIEMIANDE,JITONGGUOTIGAOJIEMIANMOUYIFANGMIANDECHENGZAILIQIANGDU(RUKANGJIANQIANGDU),CONGERGAISHANZHENGGEJIEGOUDECHENGZAILISHUIPING。

  GENJUQIAOLIANGDEJIAGUYUANYIN、JIAGUBUWEIYIJIXIANYOUQIAOLIANGBENSHENQIAOXINGFANGANDEBUTONG,YINGCAIYONGBUTONGDEJIAGUFANGFA。MUQIAN,QIAOLIANGSHANGBUJIEGOUCHANGYONGDEJIAGUFANGFAYOU:TIWAIYUYINGLIJIAGUFA、TIXIZHUANHUANJIAGUFA、ZENGJIAGOUJIANJIAGUFA、ZHANTIEGANGBANJIAGUFA、TANXIANWEIJIAGUFA、QIAOMIANCENGBUQIANGJIAGUFADENG;QIAOLIANGXIABUJIEGOUCHANGYONGDEJIAGUFANGFAYOUKUODAJICHUJIAGUFA、GAOYAXUANPENZHUJIANGJIAGUFADENG。XIANJIANGYISHANGJIAGUFANGFAYIYIJIESHAORUXIA:

  

 

  2.1 QIAOLIANGSHANGBUJIEGOUJIAGU

  2.1.1TIWAIYUYINGLIJIAGUFA

  TIWAIYUYINGLIFADEJIAGUYUANLISHIZAILIANGDEXIAYUANSHOULAQUSHEZHIYUYINGLICAILIAO,TONGGUOZHANGLADUILIANGTICHANSHENGPIANXINYUYINGLI,ZAICIPIANXINYALIZUOYONGXIA,SHILIANGTIFASHENGSHANGGONG,DIXIAOBUFENZIZHONGYINGLI,JIANXIAOLEJIEGOUBIANXINGHELIEFENGKUANDU、GAISHANLEJIEGOUSHOULI,NENGGOUJIAODAFUDUDETIGAOJIEGOUCHENGZAILI。YUTONGCHANGDEYUYINGLIHUNNINGTUJIEGOUXIANGBI,LIJINYUYUANJIEGOUZHIZAIMAOGUDIANYULIANGLIANJIE,LEISIYUWUZHANJIEYUYINGLIJIEGOU。ZHEIZHONGFANGFAZAIZIZHONGZENGJIAHENXIAODEQINGKUANGXIAKEDAFUDUDEGAISHANHEDIAOZHENGYUANJIEGOUDEZHUANGTAI,TIGAOJIEGOUGANGDU、KANGLIEXING。CIFAJISHIYONGYUTONGXINGZHONGCHESHIDELINSHIJIAGU,YEKEZUOWEITIGAOQIAOLIANGCHENGZAILIDEYONGJIUJIAGUCUOSHI。

  GAIFANGFAZHUYAOSHIYONGQINGKUANGYOU:DANGHUNNINGTULIANGZHONGYUYINGLIJINHUOPUTONGGANGJINYANZHONGXIUSHIJIQITABINGHAIZAOCHENGJIEGOUCHENGZAILIXIAJIANG;XUYAOTIGAOQIAOLIANGDEHEZAIDENGJI;YONGYUKONGZHILIANGTILIEFENGJIGANGJINPILAOYINGLIFUDU;SHIYONGYUGAOYINGLIZHUANGTAIXIADEJIEGOU,YOUQISHIDAXINGJIEGOUDEJIAGUDENGQINGKUANG。

  MUQIANCHANGYONGDETIWAIYUYINGLIDEFANGFAYOUXIACHENGSHIYUYINGLILAGANJIAGUFAHEWAIBUYUYINGLIGANGSISHUJIAGUFA。

  301GUODAOPANJINLIJIAOZHUXIANQIAOHEPANJINLIJIAOWHZADAOQIAO,CAIYONGDEDOUSHITIWAIYUYINGLIFAJINXINGJIAGU,GAISHANLEQIAOLIANGDEZHENGTIDESHIYONGXINGNENG,YANZHANGLEQIAOLIANGDESHIYONGSHOUMING。

  2.1.2TIXIZHUANHUANJIAGUFA

  GAIBIANJIEGOUTIXIJIAGUJIUQIAOTONGCHANGSHIZHIZENGSHEFUJIAGOUJIANHUOJINXINGJISHUGAIZAO,SHIQIAOLIANGDESHOULITIXIHESHOULIZHUANGKUANGFASHENGGAIBIAN,CONGERQIDAOJIANXIAOCHENGZHONGGOUJIANDEYINGLI,GAISHANQIAOLIANGXINGNENG,DADAOTIGAOCHENGZAINENGLIDEMUDE。ZHEIZHONGJISHUJUYOUTIGAOJIEGOUCHENGZAILI,ZENGDAJIEGOUGANGDU,JIANXIAONAODUDENGYOUDIAN。

  CHANGSHIYONGDEFANGFAYOU:GONGQIAOZHUANHUANWEILIANGGONGSHIGONGSHANGJIANZHUFA;LIANGQIAOZHUANHUANWEILIANGGONGZUHETIXIFA;JIANZHIZHUANLIANXUFA;DUOKUAJIANZHILIANGZHUANWEIXIANJIANZHIHOUQIAOMIANLIANXUTIXIFA;ZENGJIAFUZHUDUNFADENG。YISHANGJIAGUFANGANXINGSHIGEYI,DANJIAGUSHIZHIXIANGTONG,JIJUNSHIWEISUOJIAGUDEQIAOLIANGJIARUXINDEZHICHENGDIAN,SUODUANLIANGDEJISUANKUAJING,CONGERTIGAOJIEGOUCHENGZAILI。

  FUJIANYONGANSHIDAXIDAQIAOWEI20SHIJI70NIANDAICHUXIUJIANDE9KONGSHUANGQUGONGQIAO,QIAOXINGWEI22.10m+25.60m+7x22.10mBUDENGKUALIANXUGONGQIAO,SHEJIHEZAIWEIQICHE-13JI,TUOCHE-60,YOUYUJIAOTONGLIANGDEZENGJIA,GAIQIAOZAIYUNYINGQIJIANCHANSHENGLEJIAODADEBINGHAI,HEZAIDENGJIBUNENGMANZUXIANYOUJIAOTONGYUNSHUDEYAOQIU,2002NIANYONGANSHIDUIGAIQIAOGAIQIAOJINXINGLEJIANCE,JIANCEJIEGUOBIAOMINGGAIQIAOKEYITONGGUOCAIQUJIAGUCUOSHI,SHIQIDADAOQICHE-20JI、GUACHE-100HEZAIDENGJIDEYAOQIU。JIAGUFANGANCAIYONGLEBALIANXUGONGQIAOZHUANHUAWEILIANGGONGSHIGONGSHANGJIANZHUTIXIDEFANGFA。JIAGUGAIZAOSHI,SHOUXIANCHAICHUCEQIANG、HUGONG、GONGSHANGTIANLIAO,DUIZHUGONGQUANJINXING“XIEZAI”,SHIZHUGONGHEFUGONGDEGONGBEIWANQUANBAOLU,QICIDUIZHUGONGQUANGONGBEI、GONGJIAOJINXINGBUJIN,XIANJIAOHUNNINGTUJIADAQIJIEMIAN,RANHOUJIEGAOFUGONGDUN,ANLIANGBANQIAOSHIGONGJIANZHIQIAOMIANBAN,ZHEIYANGYILAIJIJIANQINGLEZHUGONGQUANFUZHONG,YOUZENGQIANGLEZHUGONGQUANCHENGZAINENGLI。JIAGUGAIZAOHOU,JINGGUOJINIANLAIDESHIYONGZHENGMING,XIAOGUOFEICHANGHAO。LEISIDELIZIHAIYOUHENDUO,RU2003NIANJIAGUDEHUBEIEZHOUTUJIAJULIANXUGONGQIAO(L0=70m)、2005NIANJIAGUDEFUJIANJIANGLEJISHANLIANXUGONGQIAO(L0=30m)DENGDENG。

  2.1.3 ZENGJIAGOUJIANJIAGUFA

  ZENGJIAGOUJIANJIAGUFAZHUYAOSHIZHIZENGSHEZONGLIANGTIGAOCHENGZAINENGLIHUOTUOKUANGAIJIAN,ZENGJIAHENGGEBANJIAQIANGHENGXIANGLIANXI。DANGDUNTAIDIJIANQUANXINGNENGHAO,BINGJUYOUCHENGZAINENGLI,SHANGBUJIEGOUYEJIBENWANHAO,DANQICHENGZAINENGLIBUNENGMANZUYAOQIU,TONGSHIYAOQIUJIAKUANQIAOMIANSHI,YIBANCAIYONGZENGJIACHENGZAINENGLIGAOHEGANGDUDADEXINZONGLIANGSHIXINJIULIANGHUXIANGLIANJIEGONGTONGSHOULI。DUIYUYAOJINXINGTUOKUANGAIZAODEZEHAIXUYAODUIDUNTAIJINXINGTUOKUAN。

  CHANGSHIYONGDEFANGFAGENJUZENGJIAGOUJIANJIXINJIUZHULIANGLIANHESHOULIXINGSHIKEFENWEI:ZENGSHEZONGLIANGJIAGU(BUTUOKUANQIAOMIAN);ZENGSHEBIANLIANGJIAGU;DANBIANTUOKUANJISHUGAIZAO;SHUANGBIANTUOKUANJISHUGAIZAO;ZENGJIAFUZHUHENGLIANGJIAGU。

  SHAOXINGDOUMENDAQIAOSHI20SHIJI80NIANDAIXIUJIANDEYIZUOGANGJIAGONGQIAO(L0=40m),GAIQIAOTONGGUO20YUNIANDESHIYONG,YICHUXIANDUOCHUBINGHAI,TEBIESHIZHONGCHEGUOQIAOSHI,QIAOLIANGCHUXIANHUANGDONG。2004NIANTONGGUODUIGAIQIAOBINGHAIDEDIAOCHAHEFENXI,FAXIANHENGLIANGTAIDANBO(YUANSHEJIWEIKONGXINBOBIHENGLIANG)SHIDAOZHIZHONGCHEGUOQIAOHUANGDONGDEZHUYAOYUANYIN,JIAGUGAIZAOSHIZAIMEIKONGZHUGONGTUISHANGZENGSHE8DAOGANGJINHUNNINGTUSHIXINHENGLIANG,XIEGANSHANGZENGSHE4DAOGANGJINHUNNINGTUSHIXINHENGLIANG。GAIZAOHOUGAIQIAOZHIJINWANHAOWUSUN,ZHONGCHEGUOQIAOSHIQIAOLIANGYEBUZAIHUANGDONG,YUNXINGWANQUANZHENGCHANG。

  HENANNANYANGTONGBOHUAIHEDAQIAOCAIYONGLEZENGSHEDABIANLEIJINXINGJIAGUJIAKUANDEJISHUFANGAN,DUISHANGXIABUJIEGOUTONGSHIJIAKUAN,TIGAOLEJIEGOUDECHENGZAILI。GAIQIAOJIAGUWANCHENGZHIJIN,ZHUANGKUANGLIANGHAO,BINGQIEYOUHENHAODESHIJUEXIAOGUO。

  2.1.4 ZHANTIEGANGBANJIAGUFA

  ZHANTIEGANGBANJIAGUSHICAIYONGZHANJIEJIJIANGGANGBANZHANTIEZAIGANGJINHUNNINGTUJIEGOUWUDESHOULABIANYUANHUOBORUOBUWEI,SHIZHIYUJIEGOUWUXINGCHENGZHENGTI,CONGERTIGAOLIANGDECHENGZAINENGLIDEYIZHONGJIAGUFANGFA。RUOSHIYONGMAOSHUANJIANGGANGBANMAOGUZAILIANGTISHANG,ZEYOUCHENGMAOSHUANGANGBANFA,ZHEISHIGANGBANKESHIDANGHOUYIXIE。GANGBANGUDINGYUSHOULAHUNNINGTUBIAOMIANKEYIZENGJIAHUNNINGTUJIEGOUKANGWANGANGDU,SHIJIEGOUNAODUJIANXIAO,XIANZHILELIEFENGDEFAZHAN。BINGQIESHIGONGSHIKEYIGENJUSHEJIXUYAOJINXINGCAIQIEGANGBAN,YOUXIAODEFAHUIZHANGANGGOUJIANDEKANGWAN、KANGYAHEKANGJIANDEXINGNENG,SHOULIJUNYUN,BUHUIZAIHUNNINGTUZHONGCHANSHENGYINGLIJIZHONGXIANXIANG,CHUCIYIWAI,GAIFANGFAHAIJUYOUSHIGONGJIANBIAN,KUAISU,BUYINGXIANGJIEGOUWAIXING,JIAGUFEIYONGDI,BUJIANXIAOQIAOLIANGJINGKONGYIJIZENGJIAHEZAIBUDUODENGYOUDIAN。BUZUZHICHUSHIZHANJIEJIDEZHILIANGJINAIJIUXINGSHIYINGXIANGJIAGUXIAOGUODEZHUYAOYINSU。

  GUANGZHOUDONGPUDAQIAOSHI1998NIANJIANCHENGTONGCHEDEYIZUOKUAYUEZHUJIANGDETEDAQIAO,ZHUHANGDAOQIAOXINGWEI106.6m+2x160m+106.6mDEYUYINGLIHUNNINGTULIANXUGANGGOU,FUHANGDAOQIAOXINGWEI51m+3x80m+51mDEYUYINGLIHUNNINGTULIANXUGANGGOU,2003NIANFAXIANZHUHANGDAOQIAOBIANKUALIANGDUANFUBANCUNZAIBUTONGFAZHANCHENGDUDEXIELIEWEN,HOULAIYEZHUCAIYONGLEZHANTIEGANGBANJIAGUJISHUDUIQIJINXINGLEJIAGU。JUTICUOSHISHIDUIXIUBUBUWEIDEHUNNINGTUBIAOMIANJINXINGXIUZAO,SHIQIPINGZHENG;YONGBINGTONGHUOERJIABENCAXIXIUBUBUWEIDEHUNNINGTUBIAOMIANHEJINGGUOCHULIDEGANGBANBIAOMIAN;YICHUQUZHANJIEMIANDEYOUZHIHEHUICHEN;ZAIGANGBANHEHUNNINGTUZHANJIEMIANSHANGJUNYUNDITUSHUAHUANYANGJIYEZHANJIEJI;YONGFANGMU、JIAOGANG、HEGUDINGLUOSHUANDENGJUNYUNDIJINXINGYATIEGANGBAN;YANGSHENGDAOSUOYAOQIUDESHIJIAN,CHAICHUYATIEYONGDECAILIAO;ZAIGANGBANBIAOMIANSHANGZAITUSHUAYANGHUTULIAO。GAIQIAOXIANZAIJIAGUGONGCHENGYIWANCHENG,JIAGUXIAOGUOLIANGHAO。

  2.1.5 TANXIANWEIJIAGUFA

  ZHANTIETANXIANWEIJIAGUJISHUSHIZHICAIYONGGAOXINGNENGZHANJIEJIJIANGTANXIANWEIBUZHANTIEZAIJIANZHUJIEGOUWUBIAOMIAN,DANGJIEGOUHEZAIZENGJIASHI,LIANGZHEGONGTONGGONGZUO,TIGAOGOUJIANCHENGZAILI,CONGERDADAOJIAGUBUQIANGDEMUDE。XIANWEIFUHECAILIAODELIXUETEDIANSHIQIYINGLIYINGBIANLIANGWANQUANXIANDANXING,BUCUNZAIQUFUDIANHUOSUXINGQU。YOUYUTANXIANWEIJUYOUGAOQIANG、QINGZHI、NAIFUSHI、NAIPILAODENGYOUYIWULILIXUEXINGNENG,YIJISHIGONGSUDUKUAI,SHIGONGGONGQIDUAN,ZHANTIEZHILIANGRONGYIDEDAOBAOZHENGDENGYOUDIAN,YINCISHIJIUQIAOJIAGUBUQIANGDELIXIANGCAILIAO。TANXIANWEIJIAGUFAZHONGZHANJIECAILIAODEXINGNENGSHIBAOZHENGTANXIANWEIYUHUNNINGTUGONGTONGGONGZUODEGUANJIAN,YESHILIANGZHECHUANLITUJINGDEBORUOHUANJIE,YINCIZHANJIECAILIAOYINGYOUZUGOUDEGANGDUYUQIANGDUBAOZHENGTANXIANWEIYUHUNNINGTUJIANJIANLIDECHUANDI,TONGSHIYINGYOUZUGOUDERENXING,BUHUIYINHUNNINGTUKAILIEDAOZHICUIXINGZHANJIEPOHUAI。YUQITAJIAGUFANGFAXIANGBI,CAIYONGTANXIANWEIJIAGUJIUQIAONENGZUIXIAOCHENGDUDEGAIBIANYUANYOUJIEGOUDEYINGLIFENBU,BAOZHENGZAISHEJIHEZAIFANWEINEIYUYUANJIEGOUGONGTONGSHOULI。

  GUANGSHENGAOSUGONGLUFUTIANHUTONGLIJIAOQIAOXIANJIAOYIXINGHUNNINGTUKONGXINBANLIANGLIANGDIYOUDUOCHULIEFENG,DAOZHIBANNEIGANGJINXIUSHI,QIAOLIANGCHENGZAINENGLIXIAJIANG,FAXIANHOUCAIYONGLEZHANTIETANXIANWEIBUDEFANGANDUIQIJINXINGLEJIAGU,JUTICUOSHISHICHULILIEFENGCHUDEHUNNINGTUBIAOMIAN,QINGCHUJIAGUBIAOMIANSHUSONGBUFEN,ZHIZHILUCHUHUNNINGTUJIEGOUCENG,BINGDAMOPINGZHENG,YINGYONGQIANGLICHUIFENGQIHUOBINGTONGJIANGBIAOMIANFENCHENCHEDIQINGCHU,SHIZHIGANZAO、GANJING;RANHOUYANGEANZHAOCHANGSHANGTIGONGDEPEIHEBIHEGONGYIYAOQIUZAICHULIHOUDEHUNNINGTUBIAOMIANTUSHANGDIJIAO,ANSHEJIYAOQIUCAIJIAN、ZHANTIETANXIANWEIBU。GAIQIAOJIAGUHOU,HUIFULECHENGZAILI,HOUJINGGUANCHA,JIAGUXIAOGUOLIANGHAO。LEISIDELIZIHAIYOUHENDUO,RUXINFENGJINGAOSUGONGLUCHUNSHENLULIJIAOQIAOJIAGU、107GUODAO(SHENZHENDUAN)YANGYONGHEDAQIAOJIAGUDENGDENG。

  

 

  2.1.6 QIAOMIANCENGBUQIANGJIAGUFA

  QIAOMIANBUQIANGCENGJIAGUFASHITONGGUOZAILIANGDING(QIAOMIAN)SHANGJIAPUYICENGGANGJINHUNNINGTUCENG,SHIQIYUYUANYOUZHULIANGXINGCHENGZHENGTI,CONGERDADAOZENGDAZHULIANGYOUXIAOGAODUHEKANGYAJIEMIAN,ZENGJIAQIAOMIANZHENGTIGANGDU,TIGAOQIAOLIANGCHENGZAINENGLIDEYIZHONGCHANGYONGQIEYOUXIAODEFANGFA。WEILEJIANXIAOBUQIANGCENGZENGJIADEHENGZAI,CHANGJIANGYUANYOUQIAOMIANPUZHUANGCENGZAOCHU,ERQIENENGSHIXINLAOJIEHELIANGHAO,GONGTONGSHOULI。

  MUQIAN,ZAIHENDUOQIAOLIANGJIAGUGAIZAOZHONG,TONGYIZUOQIAOLIANG,ZHENDUIBUTONGDEBUWEI、BUTONGDEGOUJIAN、BUTONGDEGAIZAOYUANYINTONGSHICAIYONGLEJIZHONGBUTONGDEFANGFA。RUYIBINMAMINGXIJINSHAJIANGDAQIAODEJIAGU,CAIYONGLEZENGJIAGOUJIANJIAGUFA、ZHANTIEGANGBANJIAGUFA、TANXIANWEIJIAGUFA、QIAOMIANCENGBUQIANGJIAGUFA;XIZANGNIMUDAQIAODEJIAGU,CAIYONGLEZHANTIEGANGBANJIAGUFA、TANXIANWEIJIAGUFA、QIAOMIANCENGBUQIANGJIAGUFA;SHAOXINGDOUMENDAQIAODEJIAGU,CAIYONGLEZENGJIAGOUJIANJIAGUFA、QIAOMIANCENGBUQIANGJIAGUFA,DENGDENG。

  2.2QIAOLIANGDUNTAIYUJICHUJIAGU

  2.2.1 KUODAJICHUJIAGUFA

  QIAOLIANGJICHUKUODADIMIANJIDEJIAGUFANGFA,CHENGWEIKUODAJICHUJIAGUFA。CIFASHIYINGYUJICHUCHENGZAILIBUZUHUOMAIZHITAIQIAN,ERDUNTAIYOUSHIZHUANSHIHUOHUNNINGTUGANGXINGSHITIHUOJICHUSHIDEQINGKUANG。DANGGOUZAOWUJICHUJUYOUJIAODADEBUJUNYUNCHENJIANG,BINGQIEDIJITUZHIBIJIAOJIANSHISHI,KEYICAIYONGKUODAJICHUFAJINXINGJIAGU。ERDUIYUKUODABUFENJICHUDIBUDEDIJICHENGZAILIBUZUDEWENTI,KECAIQUZAIKUODABUFENJICHUXIADARUYIDINGSHULIANGDEZHUANGYITIGAODIJICHENGZAILI,ZHUANGDECANSHUGENJUDIJIBIANXINGJISUANLAIJIAYIXUANDING。KUODAJICHUJIAGUFA,SHIGONGBIJIAOJIANDAN。QUEDIANSHITABIXUSHIXINLAOJICHULIANCHENGYITIGONGTONGCHENGSHOUSHANGBUHEZAI,GUQIJIAGUFEIYONGJIAOGAO,ERQIEJIAGUXIAOGUOYEBUYIKONGZHI。

  2.2.2 GAOYAXUANPENZHUJIANGJIAGUFA

  GAOYAXUANPENZHUJIANG,JIUSHIXIANLIYONGZUANJIBADAIYOUPENZUIDEZHUJIANGGUANZUANRUTUCENGDEYUDINGWEIZHI,XUANZHUANBINGYIYIDINGDESUDUTISHENG,TONGSHIJIANGJIANGYEHUOSHUIYIGAOYALIUDEXINGSHICONGPENZUILISHECHU,CHONGJIPOHUAITUTI,GAOYALIUQIEGEBINGJIAOSUITUCENG,SHIQICHENGKELIZHUANGFENSAN,YIBUFENBEIJIANGYEHESHUIDAICHUZUANKONG,LINGYIBUFENZEYUJIANGYEJIAOBANHUNHE,SUIZHEJIANGYEDENINGGU,ZUCHENGJUYOUYIDINGQIANGDUHEKANGSHENNENGLIDEGUJIETI,CONGERDUIDIJIJINXINGJIAGUDEYIZHONGJIAGUFANGFA。XUANPENZHUJIANGJIAGUFA,YONGTUGUANGFAN,JIAGUDIJIDEZHILIANGKEKAOERQIEXIAOGUOHAO,CHENGBENDI,JIAGUXIAOGUOMINGXIAN,QIESHIGONGBIANJIE,MUQIANYIZHUJIANCHENGWEIWOGUOCHANGYONGDEDUIQIAOLIANGDUNTAIJICHUCHULIFANGFAZHIYI。

  2.2.3 ZHANTIEGANGBANJIAGUFA、TANXIANWEIJIAGUFA QIAOLIANGDUNTAIDEJIAGUGAIZAOYEKEYICAIYONGZHANTIEGANGBANJIAGUFA、TANXIANWEIJIAGUFAZENGJIADUNTAIDEGANGDU,

  TIGAODUNTAIDEKANGWAN、KANGYAHEKANGJIANNENGLI,QIJIAGUFANGFA、JIAGUJILIYU2.1.4JI2.1.5YIZHI,ZAICIJIUBUZAIXIANGSHU。

  三、加固方案的选择

  JIAGUFANGANYUZHUDUOYINSUYOUGUAN,XUANZEHELIDEJIAGUFANGANFEICHANGZHONGYAO,CHANGKAOLVXIALIEYINSU:

  1、QIAOLIANGJIEGOUXINGSHI;

  2、QIAOWEIDIXING、SHUIWEN、ZIRANZHUANGKUANG;

  3、QIAOLIANGXIANZHUANGFENXIYANJIUJIELUN;

  4、SHIGONGJISHUSHUIPING;

  5、NENGFOUFENGBIJIAOTONG;

  6、YUQIJIAGUXIAOGUO;

  7、ZIJINTOURULIANG。

  RUODINGYI:

  JIANYI: β>0.9,JINXINGQIAOMIANBANJIAGU;

  β=0.7-0.8,ZHANTIEGANGBAN、GAIBIANTIXIJIAGU;

  β=0.6-0.7,TIWAIYUYINGLI、TIETANXIANWEIJIAGU。

  JIAKUANJIAGUTONGSHIJINXINGSHI,YIJIANGJIAKUANBUFENYUYUANQIAOLIANWEIZHENGTI,YICHONGFENFAHUIXINJIABUFENDEXIEZAIZUOYONG。

  SHANGSHUGEZHONGCHANGJIANJIAGUFANGFAKEZONGHEYUNYONG,YOUHUAZUHE,GENGNENGTIXIANCHUJIAGUXIAOGUOJIJINGJIXIAOYI,DANHAIYINGZHUYIYIXIAJIDIAN:

  (1)BUTONGDEJIAGUFANGFAYOUDUIYINGDESHEJIJISUANFANGFA;

  (2)JIAGUHOUDEQIAOLIANGJIEGOUCHENGZAINENGLITIGAOFUDUSHOUYUANJIEGOUDEZHIYUE, RUYUANJIEGOUPEIJINLV、JIEMIANCHICUNDENG,BUKENENGWUXIANZHIDITIGAOCHENGZAINENGLI;

  (3)DUIYUDAKUAJINGFUZAQIAOLIANGJIEGOUDEJIAGUJISUAN,YIBANYAOZUOJIEGOUZHENGTIFENXI,YOUXIAOGONGJUSHIYOUXIANYUANFA,BIYAOSHIYINGKAOLVFEIXIANXINGYINGXIANG。

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