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Discontinuance of Lower Neuadd Reservoir 下纽阿德水库停产
Dams and Reservoirs Pub Date : 2022-10-07 DOI: 10.1680/jdare.22.00086
D. Neeve, V. Stoyanova, B. Cotter, J. Clewer
{"title":"Discontinuance of Lower Neuadd Reservoir","authors":"D. Neeve, V. Stoyanova, B. Cotter, J. Clewer","doi":"10.1680/jdare.22.00086","DOIUrl":"https://doi.org/10.1680/jdare.22.00086","url":null,"abstract":"Lower Neuadd Reservoir was created by an embankment dam constructed in 1884 in what has since become the Brecon Beacons National Park. The dam and spillway have exhibited a long history of concerns surrounding their integrity. The deteriorating spillway channel, faulty scour valve, and the leakage through the core with associated settlement of the embankment dam reached a point where remediation was not reasonably practical. The chosen solution was discontinuance by excavating a notch through the embankment dam. Obtaining permission to alter listed structures within a national park required detailed environmental assessments and negotiation with the authorities. Construction was complicated by a mountainous catchment that created significant flows at low return periods that could fill the empty reservoir basin in hours and overtop the works.","PeriodicalId":39070,"journal":{"name":"Dams and Reservoirs","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44361813","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Seismic analysis of a concrete gravity dam considering dam-water-sediment-foundation interaction 考虑坝水沙基础相互作用的混凝土重力坝抗震分析
Dams and Reservoirs Pub Date : 2022-09-23 DOI: 10.1680/jdare.22.00111
Ranjit Kumar Srivastava, D. Sahoo
{"title":"Seismic analysis of a concrete gravity dam considering dam-water-sediment-foundation interaction","authors":"Ranjit Kumar Srivastava, D. Sahoo","doi":"10.1680/jdare.22.00111","DOIUrl":"https://doi.org/10.1680/jdare.22.00111","url":null,"abstract":"The dynamic behaviour of a concrete gravity dam-impounded water-sediment-foundation system is very complex under seismic loading condition. This study is focussed on the investigation of the effects of variations in the material properties of a dam monolith and foundation bed, the consideration of with and without–slip conditions at the dam-foundation interface, and the variation in slope of sediment bed on the seismic behaviour of a concrete gravity dam. A finite element model of the Koyna dam has been developed in the computer software ABAQUS to investigate the dam-reservoir-sediment-foundation interaction behaviour. The Koyna earthquake excitations in both horizontal and vertical directions of the dam have been used as the input data for the dynamic analysis. The main parameters investigated are contact pressure, friction shear stress at dam heel, heel stresses, crest displacement and accelerations, and tension damage. The findings of this numerical study are also compared with the results predicted from the models proposed by Westergaard and Darbre using the added mass concept for the reservoir effect.","PeriodicalId":39070,"journal":{"name":"Dams and Reservoirs","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49430015","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Editorial: The British Dam Society Prize 社论：英国水坝协会奖
Dams and Reservoirs Pub Date : 2022-09-01 DOI: 10.1680/jdare.2022.32.3.93
{"title":"Editorial: The British Dam Society Prize","authors":"","doi":"10.1680/jdare.2022.32.3.93","DOIUrl":"https://doi.org/10.1680/jdare.2022.32.3.93","url":null,"abstract":"","PeriodicalId":39070,"journal":{"name":"Dams and Reservoirs","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46720830","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Elton Reservoir Slip 埃尔顿水库滑脱
Dams and Reservoirs Pub Date : 2022-07-20 DOI: 10.1680/jdare.22.00088
M. Coombs, Nathan Povey, David H. Brown
{"title":"Elton Reservoir Slip","authors":"M. Coombs, Nathan Povey, David H. Brown","doi":"10.1680/jdare.22.00088","DOIUrl":"https://doi.org/10.1680/jdare.22.00088","url":null,"abstract":"Elton Reservoir was built between 1804 and 1808 to supply water to the Manchester, Bolton and Bury Canal. The canal is no longer open for boat traffic, but the reservoir does provide a sweetening flow. The reservoir is retained by a 600m long embankment dam with a maximum height of 8.8 metres, has a capacity of 923,000 m3 and a surface area of 22 hectares. Top Water Level in the reservoir is 87.70 m AOD. The Canal & River Trust (the Trust) is the reservoir owner. The reservoir has experienced a number of embankment slips in the past with the most recent being in 2012. The water level was subsequently reduced until repair works could be undertaken. A length of unlined spillway channel along the toe of the embankment suffering from erosion was repaired at the same time. The opportunity was taken to complete other remedial works including making the operation of the scour valve within the confined space of the outlet tunnel less onerous. This paper outlines the investigation works undertaken and the various options considered with respect to repairing the slip and providing embankment stabilisation, which led to the preferred solution of counterfort drains.","PeriodicalId":39070,"journal":{"name":"Dams and Reservoirs","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43519828","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The mandatory reporting of reservoir incidents in England 英国水库事故的强制报告
Dams and Reservoirs Pub Date : 2022-06-28 DOI: 10.1680/jdare.22.00090
A. Warren
{"title":"The mandatory reporting of reservoir incidents in England","authors":"A. Warren","doi":"10.1680/jdare.22.00090","DOIUrl":"https://doi.org/10.1680/jdare.22.00090","url":null,"abstract":"The Environment Agency first developed a specification for recording incidents at reservoirs and undertaking investigations in 2006. The system provided the means for any serious incident to be reported on a voluntary basis, recorded in a central database and investigated if appropriate. In 2013, incident reporting became mandatory for statutory reservoirs located in England and Wales. This paper considers the success of mandatory reporting based on information available for incidents at English reservoirs. Statistics on the rate of reporting by major reservoir undertakers are presented together with data on incident reporters by role. The paper raises concern regarding the likely completeness of reporting of incidents at statutory reservoirs in England and the challenges of identifying incidents that occur at non-statutory reservoirs. Considering recommendations in the UK government's independent review of reservoir safety in 2021, the paper explores the future challenges that will be faced in ensuring the reservoir industry effectively documents and learns from UK reservoir incidents.","PeriodicalId":39070,"journal":{"name":"Dams and Reservoirs","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41471464","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Discussion: Flood plans in England (Dams & Reservoirs Issue 32(1)) 讨论：英格兰的洪水计划（大坝和水库问题32（1））
Dams and Reservoirs Pub Date : 2022-06-21 DOI: 10.1680/jdare.22.00502
J. Benn
{"title":"Discussion: Flood plans in England (Dams & Reservoirs Issue 32(1))","authors":"J. Benn","doi":"10.1680/jdare.22.00502","DOIUrl":"https://doi.org/10.1680/jdare.22.00502","url":null,"abstract":"","PeriodicalId":39070,"journal":{"name":"Dams and Reservoirs","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48819644","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Discussion: Detailing of flood detention reservoirs for resilience 讨论:蓄洪水库抗灾能力的详细设计
Dams and Reservoirs Pub Date : 2022-06-21 DOI: 10.1680/jdare.22.00501
P. Perry
{"title":"Discussion: Detailing of flood detention reservoirs for resilience","authors":"P. Perry","doi":"10.1680/jdare.22.00501","DOIUrl":"https://doi.org/10.1680/jdare.22.00501","url":null,"abstract":"","PeriodicalId":39070,"journal":{"name":"Dams and Reservoirs","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46796185","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Balgray Reservoir: Outlet Pipework Condition Assessment and Rehabilitation 巴尔格雷水库:出口管道状况评估与修复
Dams and Reservoirs Pub Date : 2022-06-10 DOI: 10.1680/jdare.22.00091
Jen Sampson, T. Hewitt, Paul Lambert, Jasvir Malia
{"title":"Balgray Reservoir: Outlet Pipework Condition Assessment and Rehabilitation","authors":"Jen Sampson, T. Hewitt, Paul Lambert, Jasvir Malia","doi":"10.1680/jdare.22.00091","DOIUrl":"https://doi.org/10.1680/jdare.22.00091","url":null,"abstract":"This paper describes the investigations undertaken at Balgray Reservoir after concerns were raised regarding the condition of the heavily encrusted original cast iron pipework which dates from 1853.  Testing of the thickness and hardness of a section of the pipe as well as testing of the encrustation was used to determine the materials present.  The results of these investigations were used to determine the implications for the condition of the pipe and the resulting risks posed to the dam.  This informed the potential options for the required remediation works. Details are provided for the case study, the investigations and findings and potential options for encrustation removal.","PeriodicalId":39070,"journal":{"name":"Dams and Reservoirs","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43715881","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ice Loading at Scottish Water's Reservoirs 苏格兰水库的冰荷载
Dams and Reservoirs Pub Date : 2022-05-03 DOI: 10.1680/jdare.22.00092
Mark Biesta, R. Mann, T. Judge
{"title":"Ice Loading at Scottish Water's Reservoirs","authors":"Mark Biesta, R. Mann, T. Judge","doi":"10.1680/jdare.22.00092","DOIUrl":"https://doi.org/10.1680/jdare.22.00092","url":null,"abstract":"AECOM investigated potential ice loading at Scottish Water's concrete dams above 200 mAOD top water level. Ice can exert a load on a dam by a variety of mechanisms including: thermal expansion, impact / wind drag, vertical force and water level changes. A simplified method was applied to estimate ice thicknesses at the dams. Stability analyses based on thermal expansion forces indicated that ice loading could be a risk to the stability of concrete and masonry dams that are less than 5 m to 10 m high. However, the virtual absence of reported incidents where ice has caused damage to dams (and none in UK) suggest the problem is not as acute as this analysis suggests. A consideration of site-specific factors can identify the likelihood of ice loading developing, the potential consequences of damage and whether intervention could be made in good time or whether permanent measures are warranted.","PeriodicalId":39070,"journal":{"name":"Dams and Reservoirs","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45824429","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Perry Bar & Witton FRMS: Forge Mill Flood Storage Area – Lessons Learnt 佩里酒吧和威顿FRMS:锻造厂洪水储存区-吸取教训
Dams and Reservoirs Pub Date : 2022-05-03 DOI: 10.1680/jdare.22.00093
Ciara Gill
{"title":"Perry Bar & Witton FRMS: Forge Mill Flood Storage Area – Lessons Learnt","authors":"Ciara Gill","doi":"10.1680/jdare.22.00093","DOIUrl":"https://doi.org/10.1680/jdare.22.00093","url":null,"abstract":"The Perry Barr and Witton Flood Risk Management Scheme in Birmingham protects over 1,300 properties from a 1% Annual Exceedance Probability flood event. A key component of the scheme is the Forge Mill flood storage area. Construction started in 2018 with the Preliminary Certificate signed off in spring 2022. This paper will discuss the project and share lessons learnt from the construction phase. The lessons learnt cover a variety of areas including programme considerations, use of erosion protection matting, trash screen management and use of 3D models in construction.","PeriodicalId":39070,"journal":{"name":"Dams and Reservoirs","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42506179","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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