阻水桥梁拆除施工技术.pdfVIP

工程设与设计

ConstructionDesignForProject

水桥梁拆除施工技术

DismantleConstructionTechnologyofWaterBridge

袁海

中国水利水电第七工程局有限公司，成都610000）

YUANHai

(SinohydroBureau7Co.Ltd.,Chengdu610000,China)

【摘要】近年来，石马河河道两岸修建了大量建筑，部分河段有占滩及缩窄河道现。石马河现状基本上无堤防，河道壅塞重、防

洪标准低、排洪能力差，造成洪涝灾害。石马河干流塘厦镇段现状十余座桥梁不满足防洪设计要求，阻水严重，需进行改扩建。论

文莲湖新桥拆除为例，阐述桥梁拆除施工方案的选择、拆除原则与重难点，详细介绍了莲湖新桥的拆除过程。

Abstract铱Inrecentyears,alargenumberofbuildingshavebeenbuiltonbothsidesoftheShimaRiver,andsomesectionsoftheriverhave

occupiedthebeachandnarrowedtheriver.ThecurrentsituationofShimaRiverisbasicallynolevee,heavycongestion,lowfloodcontrol

standards,poorflooddischargecapacity,easytocauseflooddisaster.Atpresent,morethantenbridgesinTangxiaTownsectionofthemain

streamofShimaRiverdonotmeetthedesignrequirementsoffloodcontrolandhaveseriouswaterobstruction,sotheyneedtoberebuiltand

expanded.TakingthedemolitionofLianhuNewBridgeasanexample,thepaperexpoundstheselectionoftheconstructionscheme,the

principlesanddifficultiesofthedemolition,andintroducesthedemolitionprocessofLianhuNewBridgeindetail.

【关键词】阻水桥梁；拆除；控制

Keywords铱blockingbridge;dismantle;control

【中图分类号】U445.6【文献标志码】B【文章编号】1007-9467（2024）07-0212-05

【DOI】10.13616/j.cnki.gcjsysj.2024.07.062

1工程概况400mm给水管袁右岸侧给水管过桥后在下游侧沿河岸埋设遥

人行道栏杆外侧采用挂架敷设有4束管线遥莲湖新桥周边无

莲湖新桥位于莲湖村东源四路袁所在道路为C25G村道袁

毗邻建渊构冤筑物尧设施袁无相关地下管线袁且桥梁两端干流防

对应公路系统桥名为C25G东源四路中桥袁