DIANLANSHIGONGDIANSHEBEIYUYONGDIANSHEBEIZHIJIANDEQIAOLIANG，QICHUANSHUDIANNENGDEZUOYONG，DEDAOGUANGFANYINGYONG，DANGUZHANGYEJINGCHANGFASHENG。JIANYAODEFENXIGAOYADIANLANGUZHANGCHANSHENGDEYUANYIN，DAZHIFENWEIYIXIAJILEI：CHANGJIAZHIZAOYUANYIN、SHIGONGZHILIANGYUANYIN、SHEJIDANWEISHEJIYUANYIN、WAILIPOHUAISIDALEI。

　　厂家制造原因

　　CHANGJIAZHIZAOYUANYINGENJUFASHENGBUWEIBUTONG，YOUFENWEIDIANLANBENTI、DIANLANJIETOU、DIANLANJIEDIXITONGSANLEI。

　　DIANLANBENTIZHIZAOYUANYIN

　　YIBANZAIDIANLANSHENGCHANGUOCHENGZHONGRONGYICHUXIANDEWENTIYOUJUEYUANPIANXIN、JUEYUANPINGBIHOUDUBUJUNYUN、JUEYUANNEIYOUZAZHI、NEIWAIPINGBIYOUTUQI、JIAOLIANDUBUJUNYUN、DIANLANSHOUCHAO、DIANLANJINSHUHUTAOMIFENGBULIANGDENG，YOUXIEQINGKUANGBIJIAOYANZHONGKENENGZAIJUNGONGSHIYANZHONGHUOTOUYUNHOUBUJIUCHUXIANGUZHANG，DABUFENZAIDIANLANXITONGZHONGYIQUEXIANXINGSHICUNZAI，DUIDIANLANZHANGQIANQUANYUNXINGZAOCHENGYANZHONGYINHUAN。

　　DIANLANJIETOUZHIZAOYUANYIN

　　DIANLANJIETOUFENWEIDIANLANZHONGDUANJIETOUHEDIANLANZHONGJIANJIETOU，BUGUANSHENMEXINGSHIDEJIETOU，GUZHANGYIBANDOUCHUXIANZAIDIANLANJUEYUANPINGBIDUANKOUCHU，YINWEIZHEILISHIDIANCHANGYINGLIJIZHONGDEBUWEI。YINZHIZAOYUANYINDAOZHIDIANLANJIETOUGUZHANGDEYOU：YINGLIZHUIBENTIZHIZAOQUEXIAN、JUEYUANTIANCHONGJIWENTI、MIFENGQUANLOUYOUDENGYUANYIN。

　　DIANLANJIEDIXITONG

　　DIANLANJIEDIXITONGBAOKUODIANLANJIEDIXIANG、DIANLANDAIHUCENGBAOHUQIDEJIEDIBAOHUXIANG、DIANLANJIAOCHAHULIANXIANG、HUCENGBAOHUQIDENGBUFEN。YIBANRONGYIFASHENGDEWENTIZHUYAOSHIYINWEIXIANGTIMIFENGBUHAORONGYIJINSHUIDAOZHIDUODIANJIEDI，YINQIJINSHUHUCENGGANYINGDIANLIUGUODA。LINGWAIHUCENGBAOHUQICANSHUXUANQUBUHELIHUOZHILIANGBUHAO，YANGHUAXINJINGTIBUWENDINGYERONGYIYINFAHUCENGBAOHUQISUNHUAI。

　　施工质量原因

　　YINWEISHIGONGZHILIANGDAOZHIGAOYADIANLANXITONGGUZHANGDESHILIHENDUO，ZHUYAOYUANYINYOUYIXIAJIGEFANGMIAN：

　　XIANCHANGTIAOJIANBIJIAOCHA，DIANLANHEJIETOUZAIGONGCHANGZHIZAOSHIHUANJINGHEGONGYIYAOQIUDOUHENGAO，ERSHIGONGXIANCHANGWENDU、SHIDU、HUICHENDOUBUHAOKONGZHI。

　　DIANLANSHIGONGGUOCHENGZHONGZAIJUEYUANBIAOMIANNANMIANHUILIUXIAXIXIAODEHUAHEN，BANDAODIANKELIHESHABUSHANGDESHALIYEYOUKENENGQIANRUJUEYUANZHONG，LINGWAIJIETOUZAISHIGONGGUOCHENGZHONGYOUYUJUEYUANBAOLUZAIKONGQIZHONG，HUIXIRUSHUIFEN，ZHEIXIEDOUJIZHANGQIANQUANYUNXINGLIUXIAYINHUAN。

　　SHIGONGANZHUANGSHIMEIYOUYANGEANZHAOGONGYISHIGONG，HUOZHESHIGONGYIGUIDINGMEIYOUKAOLVDAOKENENGCHUXIANDEWENTI。

　　JUNGONGYANSHOUCAIYONGZHILIUNAIYASHIYANZAOCHENGJIETOUNEIXINGCHENGFANDIANCHANGDAOZHIJUEYUANPOHUAI。

　　YINMIFENGCHULIBUSHANDAOZHI。ZHONGJIANJIETOUBIXUCAIYONGJINSHUTONGWAIQIAO，WAIJIAPEHUOPVCJUEYUANFANGFUCENGDEMIFENGJIEGOU，ZAIXIANCHANGSHIGONGZHONGBAOZHENGFENGLIDEMISHI，ZHEIYANGCAINENGYOUXIAODEBAOZHENGJIETOUYOUZHELIANGHAODEMIFENGFANGSHUIXINGNENG。

　　DIANLANFANGXIANFANGFABUDANG，WEIGUISHIGONG。FANGXIANSHIMEIYOUJIANGDIANLANPANGEZHIZAIKEZHUANDONGDEZHUANPANSHANG，ERSHIJIANGDIANLANCONGXIANPANTOUFANGZAIDISHANGERHOUZHILA，ZAOCHENGJIAOJING，SUNSHANGDIANLAN。YANZHONGDEHUIZAOCHENGDIANLANCHOUXIN，JISANXIANGLANXINBUZAITONGYIPINGMIAN，YOUJINYOUCHU。

　　设计原因

　　YINDIANLANSHOUREPENGZHANGDAOZHIDEDIANLANJISHANGYIZHIJICHUAN。SHEJIXUANXINGSHIDIANLANJIEMIANXIAOFUHEGAO，YUNXINGZHONGXIANXINWENDUSHENGGAO，DIANLANSHOUREPENGZHANG，JIANGDIJUEYUAN;TUZHIWEIBIAOMINGTESHUWEIZHIDEFUSHEFANGFA，RUFUSHESHIZHUANWANCHUDIANLANDINGZAIZHIJIALIMIANSHANGHUOJINTIEZHEZHIJIAOCHU，ZHANGQIDAFUHEYUNXINGDEDIANLANRUDONGLILIANGHENDA，DAOZHIZHIJIALIMIANHUOZHIJIAOCHUYAPODIANLANWAIHUTAO、JINSHUHUTAO，JIPODIANLANJUEYUANCENGERDAOZHIDIANLANJUEYUANJICHUAN。

　　外力破坏

　　GAOYADIANLANYINGYONGCHANGSHI SHIZHIYUNSHU、ZHUANGXIE、FUSHEFANGFABUDANG，MAIRUDIXIAHOUZAODAORENLIWAJUEHUOJIXIEWAJUEERSHIDIANLANSUNHUAI。