深水条件下自平衡组合式钢围堰设计与现场试验研究
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摘要
大型输水渠道衬砌在冻融循环等作用下易产生剥蚀破坏等缺陷,同时渠底反滤排水系统在运行过程中可能会失效,需要进行检修和维修。大型输水工程一般不具有停水或者降低水位运行条件,因此在不停水条件下渠道衬砌面板缺陷与破坏修复技术是大型调水输水工程检修、维护的重点和难点问题之一。以南水北调中线干渠衬砌修复现场试验为依托,进行了一种水下3.0～3.5m钢围堰的结构设计,深入研究了挡水面板、支撑传力系统并进行了有限元受力分析,研究了不同部位结构新型止水型式,提出了便于安装且止水效果好的自平衡组合式围堰成套技术,以及钢围堰水面装配、入水就位及拆卸转场施工技术,并结合现场试验成果进行不断优化,可以为大型输水工程衬砌水下修复干地作业提供有益参考。
Large-scale water conveyance canal lining is easy to erode and damage under freeze-thaw cycles and the drainage system at the bottom of the canal may fail during the operation processes.These disadvantages need to be improved.Large-scale water diversion projects generally do not have the conditions of water-stopping or water level reduction.Therefore,the repairing techniques of the defects and damages under the condition of non-stop water are one of the key and difficult problems in the operational and maintenance of large-scale water diversion projects.Based on the field testing of lining repair of main canal in the middle route of South-to-North Water Diversion Project,the structure design of an underwater 3.0～3.5 meter steel cofferdam was carried out.A set of self-balanced combined cofferdam techniques,which were easy to install and had effective water-stopping,was proposed in this study through further researches of water-retaining panel,supporting force transfer system and new water-stopping types of structures in different parts..Construction technology of water surface assembly,water-entry and dismantling-transfer site of steel cofferdam have also been proposed.The results can provide useful references for underwater repair of dry land with lining of large water conveyance projects.
Large-scale water conveyance canal lining is easy to erode and damage under freeze-thaw cycles and the drainage system at the bottom of the canal may fail during the operation processes.These disadvantages need to be improved.Large-scale water diversion projects generally do not have the conditions of water-stopping or water level reduction.Therefore,the repairing techniques of the defects and damages under the condition of non-stop water are one of the key and difficult problems in the operational and maintenance of large-scale water diversion projects.Based on the field testing of lining repair of main canal in the middle route of South-to-North Water Diversion Project,the structure design of an underwater 3.0～3.5 meter steel cofferdam was carried out.A set of self-balanced combined cofferdam techniques,which were easy to install and had effective water-stopping,was proposed in this study through further researches of water-retaining panel,supporting force transfer system and new water-stopping types of structures in different parts..Construction technology of water surface assembly,water-entry and dismantling-transfer site of steel cofferdam have also been proposed.The results can provide useful references for underwater repair of dry land with lining of large water conveyance projects.
引文
[1]南水北调中线干线工程建设管理局.一种可快速就位和移除的整体式围堰及其施工方法:中国,201811247951.3[P].2018-10-25.(Construction and Administration Bureau of South-to-North Water Diversion Middle Route Project.An integral cofferdam with quick location and removal and its construction method:China,201811247951.3[P].2018-10-25.)
[2]黄晓健,赵旭特.双排钢板桩围堰监测分析[J].工程质量,2018,36(4):58-63.(HUANG X J,ZHAO X T.Monitoring and analysis for double steel sheet-piled cofferdam[J].Construction Quality,2018,36(4):58-63.(in Chinese))
[3]王浩,郑和震,雷晓辉,等.南水北调中线干线水质安全应急调控与处置关键技术研究[J].四川大学学报(工程科学版),2016,48(2):1-6.(WANG H,ZHENG HZ,LEI X H,et al.Key technologies of intelligent control and emergency regulation for the middle route of South-to-North Water Diversion Project[J].South-toNorth Water Transfers and Water Science&Technology,2016,48(2):1-6.(in Chinese))DOI:10.13476/j.cnki.nsbdqk.2017.02.001.
[4]孔祥林,张沙,肖雪.南水北调中线水源区水库联合调度与水情预报[J].水利水电快报,2010,31(2):17-19.(KONG X L,ZHANG S,XIAO X.Joint dispatching and water regime forecast of the water source area of the middle route of South-to-North Water Diversion[J].Water Resources and Hydropower Express,2010,31(2):17-19.(in Chinese))DOI:10.3969/j.issn.1006-0081.2010.02.004.
[5]刘毅卿,宋飞.渠道衬砌混凝土拌和物质量控制[J].人民长江,2014(10):84-86.(LIU Y Q,SONG F.Channel lining concrete quality control of middle route project of South to North Water Diversion[J].Yangtze River,2014(10):84-86.(in Chinese))
[6]聂艳华,黄国兵,崔旭,等.南水北调中线工程应急调度目标水位研究[J].南水北调与水利科技,2017,15(4):198-202.(NIE Y H,HUANG G B,CUI X,et al.Research on the target water level in emergency dispatch of the South-to-North Water Diversion Project[J].South-to-North Water Transfers and Water Science&Technology,2017,15(4):198-202.(in Chinese))DOI:10.13476/j.cnki.nsbdqk.2017.04.032.
[7]任华春,石正宝.浅水工程中薄壁钢围堰的设计及应用[J].人民长江,2017,48(2):159-163.(REN H C,SHIZ B.Design and application of thin-walled steel cofferdam in shallow water engineering[J].Yangtze River,2017,48(2):159-163.(in Chinese))DOI:10.16232/j.cnki.1001-4179.2017.S2.042.
[8]仲志余,刘国强,吴泽宇.南水北调中线工程水量调度实践及分析[J].南水北调与水利科技,2018,16(1),95-143.(ZHONG Z Y,LIU G Q,WU Z Y.Analysis and practices of water regulation in the middle route of South-to-North Water Transfer Project[J].South-toNorth Water Transfers and Water Science&Technology,2018,16(1),95-143.(in Chinese))DOI:10.13476/j.cnki.nsbdqk.2018.0015.
[9]宋玲,陈瑞考,马铭悦,等.冬季输水梯形渠道冻胀时水力因素对刚性衬砌层内力影响研究[J].南水北调与水利科技,2018,16(2):158-163.(SONG L,CHEN R K,MA M Y,et al.Influence of hydraulic factors on the inner forces of rigid lining of trapezoidal water conveyance canal in winter during frost heaving[J].South-toNorth Water Transfers and Water Science&Technology,2018,16(2):158-163.(in Chinese))DOI:10.13476/j.cnki.nsbdqk.2018.0053.
[10]胡玮,冯晓波,朱锐,等.南水北调中线某节制闸弧形门小开度振动观测与安全评价[J].南水北调与水利科技,2018,16(5):139-151.(HU W,F X B,ZHU R,et al.Field tests and safety evaluation of radial gate vibration under small opening condition in the middle route of South-to-North Water Diversion Project[J].South-to-North Water Transfers and Water Science&Technology,2018,16(5):139-151.(in Chinese))DOI:10.13476/j.cnki.nsbdqk.2018.0135.
[11]陈洪伟,任元林.组合式围堰在雷州青年运河灌区续建配套与节水改造工程中的应用[J].广东水利水电,2016(8):33-36.(CHEN H W,REN Y L.Application of combined cofferdam to irrigation district rehabilitation and water saving reform in Leizhou Youth canal[J].Guangdong Water Resources and Hydropower,2016(8):33-36.(in Chinese))DOI:10.3969/j.issn.1008-0112.2016.08.007.
[12]赵鸣雁,孔令仲,郑艳侠,等.串联渠池闸门同步关闭情况下关闸时间对闸前水位雍高影响[J].南水北调与水利科技,2018,16(6):157-170.(ZHAO M Y,KONG L Z,ZHENG Y X,et al.Analysis of the gate closure time on the height of the water level before the control gate in a multi-channel system[J].Southto-North Water Transfers and Water Science&Technology,2018,16(6):157-170.(in Chinese))DOI:10.13476/j.cnki.nsbdqk.2018.0166.
[13]郝清华,王伟,马成杰.南水北调中线衬砌面板冻损破坏修复技术[J].河南水利与南水北调,2017(10):28-29.(HAO Q H,WANG W,MA C J.Repair technology of frost damage of lining surface in middle route of South-to-North water transfer project[J].Henan Water Conservancy and South-to-North Water Transfer,2017(10):28-29.(in Chinese))DOI:10.3969/j.issn.1673-8853.2017.10.016
[14]孙佑光,王兵.胶东调水输水明渠运行主要问题原因分析及处理措施[J].水利建设与管理,2018(1):90-92.(SUN Y G,WANG B.Analysis and treatment measures of main problems of operation in Jiaodong water diversion channel[J].Water Conservancy Construction and Management,2018(1):90-92.(in Chinese))DOI:10.16616/j.cnki.11-4446/TV.2018.01.23.
[15]程德虎,苏霞.南水北调中线干线工程技术进展与需求[J].中国水利,2018.844(10):32-35.(CHENG DH,SU X.Technical advancement and demand of middle route scheme of South-to-North Water Diversion Project[J].China Water Resources,2018,844(10):32-35.(in Chinese)).DOI:CNKI:SUN:SLZG.0.2018-10-017.
[16]张亚丰,王化民,张元波.混凝土蓄水池产生裂缝的原因和预防措施[J].河南水利与南水北调,2011(18):13-14.(ZHANG Y F,WANG H M,ZHANG Y B.Causes of cracks in concrete storage pools and preventive measures[J].Henan Water Resources&Southto-North Water Diversion,2011(18):13-14.(in Chinese)).
[17]侯俊,苑超俊,师建新.防渗混凝土墙体施工缝的处理[J].河南水利与南水北调,2010(6):97-98.(HOU J,YUAN C J,SHI J X.Treatment of construction joints of anti-seepage concrete wall[J].Henan Water Resources&South-to-North Water Diversion,2010(6):97-98.(in Chinese)).
[18]杜建军.对空气阀用于长距离输水工程的探索[J].河南水利与南水北调,2016(5):108-110.(DU J J.Exploration of air valve used in long distance water conveyance project[J].Henan Water Resources&South-to-North Water Diversion,2016(5):108-110.(in Chinese)).
[19]郭永鑫.管道充水过程气液两相流动力学特性分析[J].南水北调与水利科技,2013(5):65-69.(GUO YX.Analysis of dynamic characteristics of Gas-liquid flow during Water-filling process in pipeline[J].South-to-North Water Transfers and Water Science&Technology,2013(5):65-69.(in Chinese))DOI:10.3724/SP.J.1201.2013.05065.
[20]房彦梅,郭永鑫,杨开林.南水北调西四环暗涵安全输水关键问题[J].南水北调与水利科技,2011(4):137-139.(FANG Y M,GUO Y X,YANG K L.Analysis of operational safety of the west fourth ring culvert of South-to-North Water Diversion Project[J].Southto-North Water Transfers and Water Science&Technology,2011(4):137-139.(in Chinese))DOI:10.3724/SP.J.1201.2011.04137.
[21]徐耀,郝巨涛.混凝土面板堆石坝面板接缝止水技术的发展与展望[J].中国水利水电科学研究院学报,2018,16(5):457-465.(XU Y,HAO J T.Development and prospect of slab joint water-stop technology of CFRDs[J].Journal of China Institute of Water Resources and Hydropower Research,2018,16(5):457-465.(in Chinese))
[22]刘凌锋,陈聪,VAN STEE Joel,等.沉管隧道可逆式主动止水最终接头小梁端部平整度问题的分析与处置[J].中国港湾建设,2018,38(11):14-18.(LIU LF,CHEN C,VAN S J,et al.Analysis and disposal of flatness problem of retractable frames of the reversible active water-stop closure joint for immersed tunnel[J].China Harbour Engineering,2018,38(11):14-18.(in Chinese))
[2]黄晓健,赵旭特.双排钢板桩围堰监测分析[J].工程质量,2018,36(4):58-63.(HUANG X J,ZHAO X T.Monitoring and analysis for double steel sheet-piled cofferdam[J].Construction Quality,2018,36(4):58-63.(in Chinese))
[3]王浩,郑和震,雷晓辉,等.南水北调中线干线水质安全应急调控与处置关键技术研究[J].四川大学学报(工程科学版),2016,48(2):1-6.(WANG H,ZHENG HZ,LEI X H,et al.Key technologies of intelligent control and emergency regulation for the middle route of South-to-North Water Diversion Project[J].South-toNorth Water Transfers and Water Science&Technology,2016,48(2):1-6.(in Chinese))DOI:10.13476/j.cnki.nsbdqk.2017.02.001.
[4]孔祥林,张沙,肖雪.南水北调中线水源区水库联合调度与水情预报[J].水利水电快报,2010,31(2):17-19.(KONG X L,ZHANG S,XIAO X.Joint dispatching and water regime forecast of the water source area of the middle route of South-to-North Water Diversion[J].Water Resources and Hydropower Express,2010,31(2):17-19.(in Chinese))DOI:10.3969/j.issn.1006-0081.2010.02.004.
[5]刘毅卿,宋飞.渠道衬砌混凝土拌和物质量控制[J].人民长江,2014(10):84-86.(LIU Y Q,SONG F.Channel lining concrete quality control of middle route project of South to North Water Diversion[J].Yangtze River,2014(10):84-86.(in Chinese))
[6]聂艳华,黄国兵,崔旭,等.南水北调中线工程应急调度目标水位研究[J].南水北调与水利科技,2017,15(4):198-202.(NIE Y H,HUANG G B,CUI X,et al.Research on the target water level in emergency dispatch of the South-to-North Water Diversion Project[J].South-to-North Water Transfers and Water Science&Technology,2017,15(4):198-202.(in Chinese))DOI:10.13476/j.cnki.nsbdqk.2017.04.032.
[7]任华春,石正宝.浅水工程中薄壁钢围堰的设计及应用[J].人民长江,2017,48(2):159-163.(REN H C,SHIZ B.Design and application of thin-walled steel cofferdam in shallow water engineering[J].Yangtze River,2017,48(2):159-163.(in Chinese))DOI:10.16232/j.cnki.1001-4179.2017.S2.042.
[8]仲志余,刘国强,吴泽宇.南水北调中线工程水量调度实践及分析[J].南水北调与水利科技,2018,16(1),95-143.(ZHONG Z Y,LIU G Q,WU Z Y.Analysis and practices of water regulation in the middle route of South-to-North Water Transfer Project[J].South-toNorth Water Transfers and Water Science&Technology,2018,16(1),95-143.(in Chinese))DOI:10.13476/j.cnki.nsbdqk.2018.0015.
[9]宋玲,陈瑞考,马铭悦,等.冬季输水梯形渠道冻胀时水力因素对刚性衬砌层内力影响研究[J].南水北调与水利科技,2018,16(2):158-163.(SONG L,CHEN R K,MA M Y,et al.Influence of hydraulic factors on the inner forces of rigid lining of trapezoidal water conveyance canal in winter during frost heaving[J].South-toNorth Water Transfers and Water Science&Technology,2018,16(2):158-163.(in Chinese))DOI:10.13476/j.cnki.nsbdqk.2018.0053.
[10]胡玮,冯晓波,朱锐,等.南水北调中线某节制闸弧形门小开度振动观测与安全评价[J].南水北调与水利科技,2018,16(5):139-151.(HU W,F X B,ZHU R,et al.Field tests and safety evaluation of radial gate vibration under small opening condition in the middle route of South-to-North Water Diversion Project[J].South-to-North Water Transfers and Water Science&Technology,2018,16(5):139-151.(in Chinese))DOI:10.13476/j.cnki.nsbdqk.2018.0135.
[11]陈洪伟,任元林.组合式围堰在雷州青年运河灌区续建配套与节水改造工程中的应用[J].广东水利水电,2016(8):33-36.(CHEN H W,REN Y L.Application of combined cofferdam to irrigation district rehabilitation and water saving reform in Leizhou Youth canal[J].Guangdong Water Resources and Hydropower,2016(8):33-36.(in Chinese))DOI:10.3969/j.issn.1008-0112.2016.08.007.
[12]赵鸣雁,孔令仲,郑艳侠,等.串联渠池闸门同步关闭情况下关闸时间对闸前水位雍高影响[J].南水北调与水利科技,2018,16(6):157-170.(ZHAO M Y,KONG L Z,ZHENG Y X,et al.Analysis of the gate closure time on the height of the water level before the control gate in a multi-channel system[J].Southto-North Water Transfers and Water Science&Technology,2018,16(6):157-170.(in Chinese))DOI:10.13476/j.cnki.nsbdqk.2018.0166.
[13]郝清华,王伟,马成杰.南水北调中线衬砌面板冻损破坏修复技术[J].河南水利与南水北调,2017(10):28-29.(HAO Q H,WANG W,MA C J.Repair technology of frost damage of lining surface in middle route of South-to-North water transfer project[J].Henan Water Conservancy and South-to-North Water Transfer,2017(10):28-29.(in Chinese))DOI:10.3969/j.issn.1673-8853.2017.10.016
[14]孙佑光,王兵.胶东调水输水明渠运行主要问题原因分析及处理措施[J].水利建设与管理,2018(1):90-92.(SUN Y G,WANG B.Analysis and treatment measures of main problems of operation in Jiaodong water diversion channel[J].Water Conservancy Construction and Management,2018(1):90-92.(in Chinese))DOI:10.16616/j.cnki.11-4446/TV.2018.01.23.
[15]程德虎,苏霞.南水北调中线干线工程技术进展与需求[J].中国水利,2018.844(10):32-35.(CHENG DH,SU X.Technical advancement and demand of middle route scheme of South-to-North Water Diversion Project[J].China Water Resources,2018,844(10):32-35.(in Chinese)).DOI:CNKI:SUN:SLZG.0.2018-10-017.
[16]张亚丰,王化民,张元波.混凝土蓄水池产生裂缝的原因和预防措施[J].河南水利与南水北调,2011(18):13-14.(ZHANG Y F,WANG H M,ZHANG Y B.Causes of cracks in concrete storage pools and preventive measures[J].Henan Water Resources&Southto-North Water Diversion,2011(18):13-14.(in Chinese)).
[17]侯俊,苑超俊,师建新.防渗混凝土墙体施工缝的处理[J].河南水利与南水北调,2010(6):97-98.(HOU J,YUAN C J,SHI J X.Treatment of construction joints of anti-seepage concrete wall[J].Henan Water Resources&South-to-North Water Diversion,2010(6):97-98.(in Chinese)).
[18]杜建军.对空气阀用于长距离输水工程的探索[J].河南水利与南水北调,2016(5):108-110.(DU J J.Exploration of air valve used in long distance water conveyance project[J].Henan Water Resources&South-to-North Water Diversion,2016(5):108-110.(in Chinese)).
[19]郭永鑫.管道充水过程气液两相流动力学特性分析[J].南水北调与水利科技,2013(5):65-69.(GUO YX.Analysis of dynamic characteristics of Gas-liquid flow during Water-filling process in pipeline[J].South-to-North Water Transfers and Water Science&Technology,2013(5):65-69.(in Chinese))DOI:10.3724/SP.J.1201.2013.05065.
[20]房彦梅,郭永鑫,杨开林.南水北调西四环暗涵安全输水关键问题[J].南水北调与水利科技,2011(4):137-139.(FANG Y M,GUO Y X,YANG K L.Analysis of operational safety of the west fourth ring culvert of South-to-North Water Diversion Project[J].Southto-North Water Transfers and Water Science&Technology,2011(4):137-139.(in Chinese))DOI:10.3724/SP.J.1201.2011.04137.
[21]徐耀,郝巨涛.混凝土面板堆石坝面板接缝止水技术的发展与展望[J].中国水利水电科学研究院学报,2018,16(5):457-465.(XU Y,HAO J T.Development and prospect of slab joint water-stop technology of CFRDs[J].Journal of China Institute of Water Resources and Hydropower Research,2018,16(5):457-465.(in Chinese))
[22]刘凌锋,陈聪,VAN STEE Joel,等.沉管隧道可逆式主动止水最终接头小梁端部平整度问题的分析与处置[J].中国港湾建设,2018,38(11):14-18.(LIU LF,CHEN C,VAN S J,et al.Analysis and disposal of flatness problem of retractable frames of the reversible active water-stop closure joint for immersed tunnel[J].China Harbour Engineering,2018,38(11):14-18.(in Chinese))