FABURIQI：2015/5/4 10:47:35
（NEIRONGXUANZI：《SANCENGPEGUANDAORESHOUSUODAISHIXIAOYUANYIN》。ZUOZHE： CHENHONGYUAN，LIULINGLI，ZHAOJUN，HOUYU，WANGDEZENG，HANZHONGQIN。ZHEIPIANWENZHANGKEGUANDEFENXILEMUQIANGUONEI3PEGUANDAOBUKOUSHIXIAODEYUANYINHEJIEJUEBANFA，DUIWEILAIGUANDAOBUKOUGONGYIDEFAZHANJUYOUFEICHANGJIJIDEZHIDAOZUOYONG。）
ZHONGGUOSHIYOUXINJIANGUANDAOCONGSHANJINGXIANKAISHI，DADUOCAIYONGSANCENGＰＥFANGFUSHIJIEGOU，YUQIPEITAODEXIANCHANGFANGFUSHICENGBUKOUJIHUQUANBUCAIYONGHUANYANGDIQIJIARESHOUSUODAIJIEGOU（SHAOLIANGGUANDAOCAIYONGLEYETAIHUANYANGTULIAO）。XIANGDUIZHUGUANXIANFANGFUSHICENGZAIFANGFUSHICHANGDEZIDONGHUALIUSHUIXIANSHENGCHANFANGSHI，RESHOUSUODAIBUKOUANZHUANGDEQUANGUOCHENGJIBENWEISHOUGONGCAOZUO，SHOUXIANCHANGSHIGONGHUANJING、GONGRENANZHUANGSHULIANCHENGDUDENGYINSUYINGXIANGFEICHANGDA，SHIGUANDAOFANGFUSHICENGZHONGZUIBORUODEHUANJIE。ZAIHOUQIDEYUNXINGZHONG，SANCENGPEGUANDAORESHOUSUODAIBUKOUDESHIXIAOQINGKUANGSHIYOUFASHENG。
国内外三层PE管道补口材料有PE热收缩带、PP热收缩带、聚氨酯、无溶剂液态环氧、聚乙烯冷缠带、聚丙烯冷缠带、粘弹体防腐胶带等，总体情况以热收缩带为主。
2005NIAN、2007NIANJI2008NIAN，GUONEIBUFENGUANDAOYUNYINGDANWEIZUZHIKAIZHANLESANCENGPEGUANDAORESHOUSUODAIYINGYONGXIANZHUANGDEDIAOCHAGONGZUO。DIAOCHAGUANJINGFANWEICONG239ｍｍ～1016ｍｍ，SHUSONGJIEZHIHANGAILEYUANYOU、TIANRANQIHECHENGPINYOU，DIAOCHADIANZUIZHANGFUYISHIJIAN６NIAN，ZUIDUANFUYISHIJIAN２NIAN。KAIWADIAOCHAFAXIAN，RESHOUSUODAIBUKOUSHIXIAOZHUYAOBIAOXIANWEIRESHOUSUODAIYUZHUTIGUANDAOFANGFUSHICENGDAJIEBUWEIZHANJIEBULIANGJIRESHOUSUODAIYUGUANTIZHANJIEBULIANGLIANGZHONGQINGKUANG。YOUQIYINGGAIYINQIZHONGSHIDESHIZAISUOYOUSHIXIAODIAN，JINSHUGUANTIJUNCUNZAICHENGDUBUDENGDEFUSHI。CIWAI，DIAOCHAYEFAXIANLERESHOUSUODAILUOSHANG、POSUN、GUDINGPIANTUOLUODENGWENTI。
热收缩带失效原因分析
1.施工质量方面
1.1BIAOMIANCHULI
BUKOUWEIANYAOQIUJINXINGPENSHACHULIHUOBIAOMIANCHULIBUFUHEYAOQIU，SHIDAOZHIDIQIBOLI、RESHOUSUODAIYUGUANTIJINSHUZHANJIEBULIANGDEZHUYAOYUANYIN。BIAOMIANCHULIZHONG，MOUXIESHIGONGDANWEIXUANYONGDESHIYINGSHAQINGJIEDUBUGOU，LIJINGBUYI。
1.1.1QINGJIEDUBUGOUDESHIYINGSHAYIBANHANYOUKERONGYAN，BIAOMIANCHULIHOUKERONGYANHUICANLIUZAIGUANTIBIAOMIAN。DANGGANGBIAOMIANCUNZAIYOUKERONGXINGYANSHI，YOUYUHUANYANGDIQIDENEIWAISHENTOUYABUTONG，SHUIQIJIANGTOUGUOHUANYANGDIQISHENRUDAOGANGDEBIAOMIAN，YUKERONGXINGYANJIEHEZAOCHENGGANGBIAOMIANDEFUSHIERBOLIFANGFUCENG。
1.1.2SHIYINGSHAZAIGAOYAXIAYUGUANTIZHUANGJIHOU，SHIYINGSHAFENMOQIANRUDAOBIAOMIANMAOWENZHONG，HENNANQINGCHU，ZHEIJIANGXUERUODIQIYUGUANTIDEFUZHELI，SHIDEDIQIBUNENGYUGANGBIAOMIANZHIJIEJIECHU，ZAOCHENGTULIAODEFUZHELIJIANGDI，YINGXIANGDIQIDESHIYONGSHOUMING。
1.2RESHOUSUODAIHONGKAOZHILIANG
RESHOUSUODAIYUGUANTITUCENGJIDAIDIQIGUANTIDEZHANJIEZHUYAOYIKAORERONGJIAODERONGRONGZHANJIE，HONGKAODEWENDUJISHIJIANDOUYOUYANGEDEXIANZHI，BUFENRENYUANZERENXINBUQIANGYIJIGANGONGQIGANJINDUDEJIEGUO，SHIDEHONGKAOZHILIANGDADAZHEKOU，YANZHONGYINGXIANGLEZHANJIEKEKAOXING。
1.3DIQITUZHUANGZHILIANG
YOUYUQUEFADUIDIQITUZHUANGZHILIANGDEJIANYANHUANJIE，JIAZHISHIMOANZHUANGRESHOUSUODAIKENENGZAOCHENGDEDIQISUNSHANG，SHIDEDIQIDETUZHUANGZHILIANGNANYIBAOZHENG。
2.材料方面
2.1GUONEIZAOQIRERONGJIAOYUＰＥCENGZHANGQIZHANJIEXIAOGUOBUJIA
2.1.1GUONEIZAOQIRERONGJIAOYUＰＥBUNENGXINGCHENGZHANGQIYOUXIAODEZHANJIE，YOUXIAOZHANJIESHIZHIBOLIPOHUAIFASHENGYUJIAOCENGNEIBU，JISUOWEINEIJUPOHUAI。DIAOCHAXIANSHI，JIHUSUOYOUDEZHANJIESHIXIAOJUNCHENGXIANWEIJIAOCENGYUＰＥZHIJIANDEZHANFUXINGSANGSHI。
2.1.2MUQIANRERONGJIAODEZHANJIEZHUYAOYIKAODUIＰＥBIAOMIANDELAMAOHELAMAOSHIHUOYANJIAREDUIＰＥ CENGDEJIHUOZUOYONG，LAMAOZUOYONGZENGDALEZHANJIEMIANJI，QIZUOYONGWEIWULIQIANHE，ERHUOYANDUIＰＥDEHUOHUANENGGOUZENGJIARERONGJIAOYUＰＥDEZHANJIEXING，DANSHIZHANGQIZHANJIEXIAOGUOSHANGDAIKAOCHA，ERQIEHUOYANJIAREDEBUJUNYUNXINGSHIZHONGCUNZAI，YINCIJUBUDEBUZHANJIESHIBUKEBIMIANDE。
WEIKAOCHAGUONEIZAOQIRESHOUSUODAIRERONGJIAOYUＰＥDEZHANGQIZHANJIEXING，XUANZELEGUONEIBUFENCHANGJIADECHANPINJINXINGLESHIYAN。SHIYANZAIJUYIXIFANGFUGUANDUANSHANGJINXING，DUIJUYIXIBIAOMIANANZHAOJIUJINGCAXIWEITUDIQI、SHAZHIDAMOWEITUDIQI、SHAZHIDAMOQIESHUATUDIQI、GANGSISHUALAMAOQIESHUATUDIQISIZHONGFANGSHIJINXINGCHULI，BOLISHIYANZHOUQIWEI24ｈ、30TIAN。SHIYANZHOUQINEI，JIANGGUANDUANZIRANPULUZAIHUANJINGDANGZHONG。SHIYANJIEGUOXIANSHI，GUONEIZAOQIRERONGJIAOYUPECENGZHANGQIZHANJIEXIAOGUOBUJIA。
2.2DIQIXINGNENGQIANJIA、DIQIHOUDUBO
DIAOCHAFAXIAN，ZAIRESHOUSUODAIYUGUANTIZHANJIEBULIANGDEBUWEI，DIQIJUNBIAOXIANCHUTUOLUO、BUWANZHENGDENGWENTI，CHULESHIGONGYINSUWAI，HAIYOUYIXIALIANGGEYINSU：
2.2.1XIANYOUXIANGGUANBIAOZHUNZHONGDUIWURONGJIYETAIHUANYANGDIQIDEYINJIBOLICESHIXIANGMUZHIYAOQIULE65℃、48ｈDECESHINEIRONG。ER48ｈDESHIYANSHIJIANGUODUAN，BUZUYIFANYINGCAILIAODEZHANGQIZHANJIEXINGNENG。TONGSHI，YOUYUXIANYOUBIAOZHUNGUIDINGYINJIBOLISHIPIANHOUDUBUYINGXIAOYU200μｍ，ERCHANGJIASONGJIANDESHIPIANYIBANDOUZAI３００μｍ YISHANG，DANZAISHIJISHIGONGZHONGDEDIQIHOUDUQUEZHIYOU１２０μｍ ZUOYOU，ZHEIJIUKENENGDAOZHISHIPIANSHIYANJIEGUOHAO，ERCAILIAOXIANCHANGSHIJIXINGNENGCHADEQINGKUANG。GUONEIGUANDAOGONGCHENGZAOQICHANGYONGDERESHOUSUODAIHUANYANGDIQI／GANG（DIQIPINGJUNHOUDU230～280μｍ）JING28TIAN65℃YINJIBOLISHIYANYIHOU，ZAI60ｍｍZUIDAKECEZHIJINGFANWEINEIHUANYANGDIQIQUANBUBOLI。YOUCIKEJIAN，MUQIANGUONEIGUANDAOGONGCHENGZAOQICHANGYONGDERESHOUSUODAIHUANYANGDIQINAIYINJIBOLIXINGNENGBUJIA。
2.2.2XIANYOUBIAOZHUNHEJISHUGUIGESHUYAOQIUDIQIZUIXIAOSHIMOHOUDU≥120μｍ。ZAICIGUIDINGXIA，XIANCHANGKAIWADIANDEDIQIBUWANZHENGDEQINGKUANGBIJIAOCHANGJIAN，YOUDEKAIWADIANSHENZHIJIHUKANBUJIANDIQI。GUOBODEDIQIWUFATIGONGYOUXIAODEZHANJIE，ERDANGYOUFUSHIJIEZHIJINRUSHI，YEHENNANTIGONGYOUXIAODEFANGFU，GUANTIFUSHIZAISUONANMIAN。
3.施工工艺方面
3.1SHIMOANZHUANGRESHOUSUODAI
MUQIANGUONEIDERESHOUSUODAIJUNCAIQUSHIMOANZHUANG，JIHUANYANGDIQIWEIGUHUASHIANZHUANGRESHOUSUOWAIDAI，ZHEIYANGJIANGWUFAJIANCETUCENGDESHIJIHOUDUHEFANGFUXINGNENG，QIERESHOUSUODAIANZHUANGGUOCHENGYOUKENENGDAOZHIDIQISUNSHANGHUOTUOLUO。SUIZHERESHOUSUODAICONGZHONGJIANWANGLIANGBIANSHOUSUOHUISHIBUKOUQUYUDIQIZHONGJIANBOLIANGBIANHOU，DAOZHIDIQIBUNENGJUNYUNFUZHEZAIGANGGUANBIAOMIAN，ANZHUANGRESHOUSUODAIHOUDIQISHIFOUZHENZHENGWANQUANGUHUABUDEERZHI，FANGFUZHILIANGWUFABAOZHENG。DUIMOUZAIJIAN３ＰＥGUANDAOSHIMOANZHUANGRESHOUSUODAIBUKOUDEZHILIANGCHOUCHAXIANSHI，DIQIZUIZHONGHOUDUBUJUN，HOUDUCONG30～260μｍBUDENG。
3.2SHOUGONGJIAREDESHIGONGFANGSHI
YOUYURESHOUSUODAIJUNSHIXIANCHANGANZHUANG，BUNENGXIANGGANXIANFANGFUTUCENGYIYANGZAIGONGCHANGYUZHI，QIXINGNENGHENDACHENGDUSHOUXIANCHANGZUOYETIAOJIANHECAOZUOGONGRENZUOYEZHILIANGDEXIANZHI。HONGKAOWENDUDEKONGZHISHISHIGONGZHONGDENANDIAN，MUQIANSHOUGONGHONGKAOFANGSHIWUFABAOZHENGSHOUSUODAIZAIZUIJIAWENDUXIASHOUSUOCHENGXING。WENDUGUODIDAOZHIRERONGJIAOBUNENGHENHAODIRONGRONGZHANJIE，WENDUGUOGAOZEHUICHUXIANKAOJIAOXIANXIANG。
DUIYUDAKOUJINGGUANDAODERESHOUSUODAIFANGFUBUKOU，RONGYICHANSHENGGUANTIJIAREWENDUBUJUN、BUCHONGFENDEQINGKUANG，RENGONGHONGKAONANDUDEJIADASHIDERESHOUSUODAIDEBUKOUZHILIANGKONGZHIWENTIGENGJIATUCHU，TEBIESHISHEJIXUANYONGGAOWENXINGSANCENGＰＥFANGFUCENGGUANDAODEFANGFUBUKOU，YOUYUPEITAODERESHOUSUODAIBUKOUTONGYANGXUANYONGGAOWENXING，JIAOCENGDERUANHUADIANGAO，HONGKAORONGHUAJIANGGENGWEIKUNNAN。
3.3BUKOUDAJIEQUZHIJIETUSHUAHUANYANGDIQI
SANCENGJIEGOURESHOUSUODAIDEHUANYANGDIQICENGDADATIGAOLERESHOUSUODAIDUIGUANTIDEZHANJIEXINGNENG。DANSHIGEGONGCHENGJISHUGUIGESHUJUNWEIMINGQUEYAOQIUHUANYANGDIQIDETUSHUAFANWEI，SHIGONGRENYUANJIANGHUANYANGTUFUZAIZHENGGEBUKOUDEGUANTIJINSHUQUYIJIYUSANCENGＰＥZHUFANGFUCENGDEDAJIEQU。HUANYANGHEＰＥJIXINGBUTONG，RUGUOBUDUIJUYIXIBIAOMIANJINXINGHUOHUACHULI，DAJIEQUYUHENNANDADAOLIANGHAOZHANJIE。ZHONGKEYUANZHANGCHUNYINGYONGHUAXUEYANJIUSUOSHIYANYANJIULERESHOUSUODAIHUANYANGDIQIYUZHUGUANXIANＰＥCENGDEZHANJIEXING。TONGGUOSHIYANFENXIZHENGMING，XUANQUDERESHOUSUODAIHUANYANGDIQIYUWEIZUOGAIXINGCHULIDEZHUGUANXIANＰＥZHIJIANBUJUBEIZHANGJIUDEZHANJIEXING。
3.4GUANTIWEITUSHUADIQI
ZAIZAOQIDERESHOUSUODAIBUKOUZHONG，BUKOUWEIZHIDADUOWEITUSHUADIQI，DANGRESHOUSUODAIYUＰＥCENGBOLIHOU，FUSHIJIEZHIJINRURESHOUSUODAIXIA，WANGWANGDAOZHIYANZHONGDEGUANTIFUSHI。YOUYUXIANYOUGONGYIYIQUANBUTUSHUADIQI，RESHOUSUODAISHIXIAOHOUDEGUANTIFUSHIQINGKUANGDADAJIANRUO。ZHEISHUOMING，DIQIDEZUOYONGCHULETIGONGYUGUANTIDELIANGHAOZHANJIEXINGNENGWAI，QIHAIYINGYOULIANGHAODEFANGFUZUOYONG。
4.标准及技术规范方面
RESHOUSUODAIBUKOUCHUXIANDEZHILIANGWENTICHULECAILIAOHESHIGONGFANGMIANDEYUANYINWAI，YEYUGUONEIXIANYOUSANCENGＰＥ BUKOUXIANGGUANBIAOZHUNCUNZAILOUXIANGHEBUFENXIANGMUYAOQIUBUGAOYOUGUAN，ZHUYAOYOUYIXIAJIGEFANGMIAN。
4.1DUIBIAOMIANCHULIDEYAOQIUBUGOUQUANMIAN
GUONEIXIANYOUSANCENGＰＥBUKOUXIANGGUANBIAOZHUNWEIDUIBIAOMIANCHULIZHONGDEMAOWENSHENDU、MOLIAOJIYASUOKONGQIZHILIANGDENGTICHUJUTIZHIBIAO，XIANCHANGBIAOMIANCHULIZHILIANGKONGZHIQUEFAKONGZHIZHIBIAO。
4.2DIQIFANGMIAN
4.2.1DUIDIQIDETUFUFANWEIWEIZUOMINGQUEYAOQIU。DIQIDETUFUFANWEISHIBUKOUSHIGONGZHONGGUANGSHOUGUANZHUDEJIAODIANWENTIZHIYI，GUONEIXIANGGUANBIAOZHUNHEJISHUGUIGESHUWEIMINGQUEYAOQIU，GUOWAIBIAOZHUNYIBANJINXIANYUBUKOUCHUDELUOGANGHUOLUOLUDEＦＢＥTUCENGWEIZHI。ZHEIJIUDAOZHIXIANCHANGSHIGONGZHONG，DIQIYOUSHITUSHUAYUBUKOUCHUDEＰＥSHANG，ERWEIJINGHUOHUACHULIDEＰＥCENGYUHUANYANGDIQISHIBUNENGZHANGQIZHANJIEDE。
4.2.2DUIHUANYANGDIQIDEYINJIBOLISHIYANSHIJIANYAOQIUGUODUAN。XIANYOUDEBUKOUXIANGGUANBIAOZHUNHEJISHUGUIGESHUDUIDIQIDEYINJIBOLICESHIZHIYAOQIULE48ｈ，65℃DECESHIZHIBIAO，48ｈSHIYANSHIJIANGUODUAN，BUZUYIFANYINGCAILIAODEZHANGQIZHANJIEXINGNENG。
对策及建议：
WEIQUEBAOBUKOUANZHUANGHOUDEXINGNENGJIGUANXIANDEZHANGQIANQUANYUNXING，ZHENDUIDAKOUJINGSANCENGＰＥGUANDAORESHOUSUODAIBUKOUYINCAILIAOXINGNENG、SHIGONGYINSUDENGYUANYINDAOZHIDEMIFENGXING、FANGFUSHIXINGBUJIADEWENTI，ZONGHEFENXIRENWEIYINGCONGYIXIAJIGEFANGMIANKAIZHANGONGZUO。
（１）JIAQIANGXIANCHANGBUKOUZHILIANGJIANKONG，QIANGHUAXIANCHANGSHIGONGRENYUAN、JIANLIRENYUANBUKOUZUOYEXIANGGUANZHISHIPEIXUN。
（２）DAJIEBUWEIBUSHUADIQI，ZHUBUTUIXINGRESHOUSUODAIGANMOANZHUANGGONGYI，JIANGXIANYOUDIQIHOUDUCONG≥120μｍ TIGAODAO≥200μｍ。
（３）XIHUABIAOMIANCHULIYAOQIU。JINZHISHIYONGBUQINGJIEDEMOLIAO，BIAOMIANCHULIYONGMOLIAO、YASUOKONGQI、BIAOMIANQINGJIEDU、MAOWENSHENDUDENGYINGDADAOSY/T0407《TUZHUANGQIANGANGCAIBIAOMIANYUCHULIGUIFAN》DEYAOQIU。
（４）KAIZHANRERONGJIAOGAIXINGYANJIU。CONGCAILIAOJIEGOUCHUFA，JINXINGZHUTIJUHEWUDEGAIXING、JIEZHI、FUHEYANJIU，TONGSHIJINXINGZENGZHANJI、ZHANDUDIAOJIEJI，YAN、TIANLIAOJIKANGYANGJIDESHAIXUAN，SHIRERONGJIAOYUWURONGJIDIQIYOUHUAXUEJIANZUOYONG，YOUYUＰＥJUYOULIANGHAODEQINHEXING。ZAIRERONGJIAOGAIXINGYANJIUWANCHENGHOUZAIJINYIBUDUIRERONGJIAODEXINGNENGJINXINGJIANCEQUEREN。
（５）KAIZHANRESHOUSUODAIZAIYUNXINGGONGKUANGXIADEZHANGXIAOXINGPINGJIAYANJIU。
（６）KAIZHANXINXINGBUKOUGONGYI、XINCAILIAOXIANCHANGYINGYONGSHIYANPINGJIA。
（７）TUIGUANGSHIYONGBUKOUJIAREJIJU。
