Articles de revues : « ICOLD »

1

Bridle, Rodney. « ICOLD Embankment Dams Committee Activities, ICOLD Johannesburg, May 2016 ». Dams and Reservoirs 27, n^o 2 (août 2017) : 87–91. http://dx.doi.org/10.1680/jdare.17.00013.

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Williamson, Tracey, Andy Hughes, Ian Hope et Rafael Monroy. « ICOLD technical tours ». Dams and Reservoirs 27, n^o 1 (avril 2017) : 2–7. http://dx.doi.org/10.1680/jdare.16.00050.

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Williamson, Tracey. « ICOLD – first impressions ». Dams and Reservoirs 19, n^o 4 (décembre 2009) : 155. http://dx.doi.org/10.1680/dare.2009.19.4.155.

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Wieland, Martin. « Neue ICOLD-Bulletins ». WASSERWIRTSCHAFT 107, n^o 2-3 (mars 2017) : 87. http://dx.doi.org/10.1007/s35147-017-0019-2.

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Sieber, Hans-Ulrich. « Treffen der Talsperrenwelt — 86. ICOLD Annual Meeting und 26. ICOLD Kongress ». WASSERWIRTSCHAFT 108, n^o 10 (octobre 2018) : 70–71. http://dx.doi.org/10.1007/s35147-018-0211-z.

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Hinks, Jonathan, et Robin Wood. « ICOLD symposium in Sofia ». Dams and Reservoirs 19, n^o 2 (juin 2009) : 86–90. http://dx.doi.org/10.1680/dare.2009.19.2.86.

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Hughes, Andy. « ICOLD – Brazil May 2009 ». Dams and Reservoirs 19, n^o 4 (décembre 2009) : 159–62. http://dx.doi.org/10.1680/dare.2009.19.4.159.

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Pratomo, Dian Arief Pramudya, Suharyanto et Pranoto Samto Atmojo. « Deformasi Bendungan Cirata berdasarkan Analisis Data Instrumen Patok Geser ». Jurnal Teknik 19, n^o 2 (30 décembre 2021) : 96–106. http://dx.doi.org/10.37031/jt.v19i2.166.

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Concrete-faced rockfill dam (CFRD) has a similar weakness to other types of dams, namely deformation. Surface movement monuments can be used to monitor the deformation that occurs on the surface of the dam. Analysis of the monument's measurement data can show settlement and displacement trends that are closely related to the deformation of the dam itself. In this research, the monuments measurement data are compared to acceptance criteria from ICOLD, Sowers, Clements, Fell, and the Ministry of Public Works and Housing as outlined in the Guidelines for The Design and Construction of Concrete Membrane Stone Backfill Dams. This study aims to analyze data from surface movement monuments to determine the settlement and displacement of the dam based on the criteria of deformation. According to the obtained result, the first segment of surface monuments settlement values ranged from 0.028 to 0.165%, which meet the majority of the criteria. In addition, displacement values at the first segment of surface movement monuments were within 0.022 – 0.071%, which meets the ICOLD and Clements criteria. Meanwhile, for the second to fourth segments of surface movement monuments, settlement values of 0.007 – 0.102% were obtained, which still conform to the ICOLD and Fell criteria.

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Williamson, Tracey. « Meeting report : ICOLD 2013, Seattle, USA ». Dams and Reservoirs 23, n^o 3-4 (septembre 2013) : 103–5. http://dx.doi.org/10.1680/dare.14.00009.

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Mason, Peter J. « The relevance of ICOLD to BDS ». Dams and Reservoirs 19, n^o 4 (décembre 2009) : 153–54. http://dx.doi.org/10.1680/dare.2009.19.4.153.

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Airey, Martin. « ICOLD meeting in Hanoi – May 2010 ». Dams and Reservoirs 20, n^o 3 (septembre 2010) : 111–15. http://dx.doi.org/10.1680/dare.2010.20.3.111.

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Ariey, Martin, Rod Bridle, Mike Cambridge, Andy Hughes, John Sawyer, Ljiljana Spasic-Gril et Tracey Williamson. « Meeting report : ICOLD 2011, Lucerne, Switzerland ». Dams and Reservoirs 21, n^o 3 (septembre 2011) : 95–100. http://dx.doi.org/10.1680/dare.2011.21.3.95.

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Bridle, Rod, et Alan Brown. « News : ICOLD bulletin on internal erosion ». Dams and Reservoirs 21, n^o 4 (décembre 2011) : 147. http://dx.doi.org/10.1680/dare.2011.21.4.147.

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Goff, Craig A. « UK participation at ICOLD 2018, Vienna, Austria ». Dams and Reservoirs 29, n^o 1 (mars 2019) : 21–30. http://dx.doi.org/10.1680/jdare.18.00041.

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Loughrey, Sarah. « UK participation at ICOLD 2019, Ottawa, Canada ». Dams and Reservoirs 30, n^o 3 (septembre 2020) : 105–13. http://dx.doi.org/10.1680/jdare.20.00018.

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Müller, Uwe. « Das DTK als nationale Plattform von ICOLD ». WASSERWIRTSCHAFT 103, n^o 5 (mai 2013) : 104–7. http://dx.doi.org/10.1365/s35147-013-0544-6.

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Ortega, Francisco. « The new ICOLD Bulletin on RCC Dams ». WASSERWIRTSCHAFT 109, n^o 5 (mai 2019) : 166–69. http://dx.doi.org/10.1007/s35147-019-0084-9.

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Hughes, Andy. « News : Presidential and vice presidential elections for ICOLD ». Dams and Reservoirs 22, n^o 3-4 (septembre 2012) : 99. http://dx.doi.org/10.1680/dare.13.00011.

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Ward, Claire. « ICOLD European club symposium 2010 – a student's viewpoint ». Dams and Reservoirs 20, n^o 4 (décembre 2010) : 143. http://dx.doi.org/10.1680/dare.2010.20.4.143.

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Wieland, Martin. « Neuerungen bei den ICOLD-Erdbebenauslegungskriterien für große Stauanlagen ». WASSERWIRTSCHAFT 103, n^o 5 (mai 2013) : 84–87. http://dx.doi.org/10.1365/s35147-013-0539-3.

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Sieber, Hans-Ulrich. « 84. ICOLD Annual Meeting 2016 in Johannesburg/Südafrika ». WASSERWIRTSCHAFT 106, n^o 10 (28 septembre 2016) : 56–58. http://dx.doi.org/10.1007/s35147-016-0167-9.

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Lyapichev, Yury P. « Static and dynamic analyses of the heightening of concrete face gravel dam Limon (Peru) ». Structural Mechanics of Engineering Constructions and Buildings 15, n^o 2 (15 décembre 2019) : 158–68. http://dx.doi.org/10.22363/1815-5235-2019-15-2-158-168.

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Aims of research. Expert validation of all proposed design solutions, development of necessary design solutions for the heightening of the Limon dam according to the ICOLD recommendations. Methods. The detailed static and seismic (dynamic) analyses of stressstrain state and seepage of concrete face rockfill dam Limon (Peru) were performed using the advanced software FLAC-3D (USA) and PLAXIS 2D (Holland), respectively. The elasto-plastic model with Mohr - Coulomb criterion with variable shear angles of gravel and pebble zones of dam materials and its foundation soils was used in the static and seismic (dynamic) analyses of the dam. The dynamic nonlinear analyses of stress-strain state of two variants of Limon dam with full reservoir under Maximum Credible Earthquake (MCE) action of the Mar-Chile Earthquake accelerogram. Results. On the base of these analyses the recommendations were developed for the project of the dam heightening from 43 up to 82 m before the initial filling of the reservoir. Expert validation of all proposed design solutions, necessary design solutions for the heightening of the Limon dam were developed according to the ICOLD recommendations.

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Williamson, Tracey, Andy Hughes, Ian Hope, Peter Mason, Rod Bridle, Ken Grubb et Samuel Tudor. « Meeting report : ICOLD Annual Meeting and Congress 2015, Stavanger ». Dams and Reservoirs 25, n^o 3 (décembre 2015) : 93–110. http://dx.doi.org/10.1680/jdare.16.00009.

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Hope, Ian. « Technical visit : ICOLD 2011, Lucerne : study tour – Emosson dam ». Dams and Reservoirs 21, n^o 3 (septembre 2011) : 101–3. http://dx.doi.org/10.1680/dare.2011.21.3.101.

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Riando, Miki, Suseno Darsono et Hari Nugroho. « Modified Andersen and Modified ICOLD (DOISP-2) Methods of Risk Score for Dams in West Region of Indonesia ». Journal of Mechanical, Civil and Industrial Engineering 4, n^o 3 (4 juillet 2023) : 17–28. http://dx.doi.org/10.32996/jmcie.2023.4.3.3.

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Risk assessment for the dams in West Java Province with a method of Modified Andersen and Modified ICOLD (DOISP-2) have been done; the assessment is part of the activities of Dam Operation Improvement Safety Project-2 (DOISP-2) at Central Project Implementation Unit (CPIU), Ministry of Public Works and Housing. Dams were studied to analyse the risks of the deficiency of the structure due to the load under normal operating conditions, flood conditions, and earthquake conditions. This article summarizes the risk assessment process, assessment results, conclusions and recommendations for both risk index methods. The document also includes an assessment of the risk assessment process and policy recommendations for the operation and maintenance of dams. The results are risk rankings between the two methods give different sequences; this is due to differences in the risk assessment approach of both methods. Modified Andersen focused on structural deficiencies, especially visually, and modification ICOLD Method (DOISP-2) focused on design flaws and risks downstream of the dam. Although both methods have different approaches, both methods can be used in risk analysis of the dam’s adjusted purposes of risk index assessment.

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Herawanto, Bramantyo, Suripin Suripin et Dyah Ari Wulandari. « Penilaian Risiko Kegagalan Bendungan Dan Tindakan Pengurangan Risiko Pada Bendungan Nglangon ». Media Ilmiah Teknik Sipil 11, n^o 1 (31 janvier 2023) : 48–57. http://dx.doi.org/10.33084/mits.v11i1.4071.

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The dam failure that has been operating has a great potential to occur if the administrator does not carry out proper maintenance. Dams require proper and correct maintenance and operation which will greatly affect the safety of the dam itself. Especially for dams that have been operating for a long time, major maintenance activities including repairs and rehabilitation are urgently needed to avoid the worst conditions such as facing natural disasters. Because a dam can cause a large impact if it fails, it is necessary to have a risk assessment to analyze and evaluate the hazard of the dam. Risk research conducted at the Nglangon Dam uses the event tree method, traditional and modified ICOLD. Based on the results of individual and group extreme probability analysis, both traditional and event tree methods, the risk probability value is above the acceptable risk value threshold of 1.00E-05, which means that the Nglangon Dam requires further action. This is in line with the results of the ICOLD modified risk assessment method with classification III (high) which means that the Nglangon Dam is included in a dam that requires special attention and corrective actions to reduce the level of risk in the Nglangon Dam

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27

Warren, Alan. « Meeting Report : ICOLD 2017 annual meeting in the Czech Republic ». Dams and Reservoirs 28, n^o 2 (juin 2018) : 50. http://dx.doi.org/10.1680/jdare.18.00012.

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Airey, Martin, Rodney Bridle, Ian Hope, Jo Hope et Andy Hughes. « Meeting report : The 80th Annual Meeting of ICOLD, 2012, Kyoto ». Dams and Reservoirs 22, n^o 2 (juin 2012) : 59–66. http://dx.doi.org/10.1680/dare.12.00011.

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Hughes, Andy. « Technical visit : ICOLD 2011, Lucerne : study tour B2 – southern Switzerland ». Dams and Reservoirs 21, n^o 3 (septembre 2011) : 105–10. http://dx.doi.org/10.1680/dare.2011.21.3.105.

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Annisa, Rosmita, Ignatius Sriyana et Sri Sangkawati. « APLIKASI METODE MODIFIKASI ICOLD UNTUK PENILAIAN KELAS RESIKO BENDUNGAN TAPIN ». Wahana Teknik Sipil : Jurnal Pengembangan Teknik Sipil 26, n^o 2 (1 décembre 2021) : 101. http://dx.doi.org/10.32497/wahanats.v26i2.3125.

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<p>The risk assessment of the dam is carried out to estimate the hazard risk of the dam. Risk assessment on dams that have been built and in operation aims to determine the priority of repair and rehabilitation work to improve safety based on the risks that exist in the dam. Research on the risk class assessment of Tapin Dam using the modified ICOLD method includes calculating the risk value on various factors considered, namely the technical physical condition of the dam and related to the implementation of dam safety. The parameters of each factor were obtained from the results of field inspections and technical documents related to the Tapin Dam. Based on the results of the risk assessment, Tapin Dam is classified as a dam with a high risk class. Monitoring the behavior of the dam, regular inspections and post-earthquake conditions, performing routine and periodic maintenance, as well as updating and socializing the RTD are actions that the Tapin dam administrator can take to manage long-term risks that can occur.</p>

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Pohl, Reinhard. « Zukunftsfähige und sichere Talsperren für die Welt - ICOLD Ottawa 2019 ». WASSERWIRTSCHAFT 109, n^o 9 (septembre 2019) : 80–81. http://dx.doi.org/10.1007/s35147-019-0250-0.

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Bridle, Rodney. « Meeting report : ICOLD annual meeting, Bali, Indonesia, 1–7 June 2014 ». Dams and Reservoirs 24, n^o 1 (mars 2014) : 3–6. http://dx.doi.org/10.1680/dare.14.00014.

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Semenov, A. N. « 67th Executive meeting of the International Commission on Large Dams (ICOLD) ». Hydrotechnical Construction 34, n^o 2 (février 2000) : 85–96. http://dx.doi.org/10.1007/bf02817333.

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Xiao, Li Ying. « A Review of Detection, Evaluation and Repair Technology for Hydraulic Concrete Structures ». Advanced Materials Research 690-693 (mai 2013) : 805–10. http://dx.doi.org/10.4028/www.scientific.net/amr.690-693.805.

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This paper provides a review of the progress in America, Europe, Japan and china withnumerous standardizations and investigations for the protection and repair of hydraulic concrete structures.These researches include detection technologies, evaluation methods, applications of newconcrete reinforcing and repair materials. This paper identifies the significant progress made by theInternational Commission on Large Dams(ICOLD).At the same time, some specific investigations are carried out on the ageing of hydraulic concrete structures in china. On this basis, the detection, assessment and remediation analysis of hydraulic concrete structures are summed up, and someadvice is put forward to the next stage of work.

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Hughes, Andy K. « Meeting report : Summary of ICOLD committee meetings held in Seattle – August 2013 ». Dams and Reservoirs 23, n^o 2 (juin 2013) : 52–54. http://dx.doi.org/10.1680/dare.13.00025.

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Williamson, Tracey. « Technical visit : ICOLD 2013, Seattle, USA : technical tour TT4 Cushman Hydro Project ». Dams and Reservoirs 23, n^o 3-4 (septembre 2013) : 106–8. http://dx.doi.org/10.1680/dare.14.00010.

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Williamson, Tracey. « Technical visit : ICOLD 2011, Lucerne : study tour T3 to Lucendro and Göscheneralp dams ». Dams and Reservoirs 21, n^o 3 (septembre 2011) : 111–12. http://dx.doi.org/10.1680/dare.2011.21.3.111.

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Henrianto, A., R. W. Triweko et D. Yudianto. « IMPROVING MODIFIED ICOLD METHOD WITH LOSS OF LIFE INDEX FOR DAM SAFETY RISK ASSESSMENT ». Journal of Civil Engineering, Science and Technology 11, n^o 2 (30 septembre 2020) : 79–93. http://dx.doi.org/10.33736/jcest.2615.2020.

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This research paper explains the results of the prediction analysis of the number of lives lost in the event of a catastrophic dam collapse in Indonesia as a further consideration in assessing the level of risk of dam safety. The proposed procedure is to make a new prediction index of the number of lives lost (LoL) as the development of a risk index of evacuation requirements from Risk Affected Populations (PENRIS), on the Modified ICOLD Method which is always used in Indonesia. This study, resulting in a regression equation as a correlation between PENRIS and LoL, takes its source from various catastrophic dam collapse events that have occurred in the world including Indonesia. Furthermore the regression equation is integrated with the standard determination of the level of risk of dam safety used in Indonesia and the world, for conditions with and without a disaster early warning system based on the Graham formula (2010). Further analysis of the Emergency Action Plan (EAP or RTD) of 16 dams in Indonesia as a sample, gives an indication that the implementation of an early warning system will reduce the amount of LoL by almost 100% if implemented according to design. This research, with its focus on developing a prediction index for the number of LoL, proves that in Indonesia, where there are still many dams eventhough they already have RTDs, and have not conducted a disaster-based space arrangement based on predicted LoL numbers,the reduction in the value of dam security risks can only be optimal in the range of 50 % of the total dam studied.

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Mohammadi, M., S. A. Jozi et S. Pursina. « Assessing environmental effects of aromatizing unit by comparing leopold, modified leopold, and icold techniques ». Journal of Fundamental and Applied Sciences 8, n^o 3 (18 août 2016) : 746. http://dx.doi.org/10.4314/jfas.v8i3s.259.

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Suhada, Bahri, Hari Nugroho et Suprapto Suprapto. « Evaluasi Perilaku Deformasi Vertikal Bendungan Saguling ». Syntax Literate ; Jurnal Ilmiah Indonesia 7, n^o 1 (8 janvier 2022) : 241. http://dx.doi.org/10.36418/syntax-literate.v7i1.5551.

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Bendungan memiliki risiko kegagalan yang dapat membahayakan penduduk yang berada di hilirnya. Pemantauan bendungan harus dilakukan untuk mendeteksi permasalahan sedini mungkin sehingga dapat dilakukan pencegahan. Salah satu perilaku bendungan yang harus dipantau adalah perilaku deformasi vertikal. Penelitian ini bertujuan untuk mengevaluasi perilaku deformasi vertikal Bendungan Saguling berdasarkan hasil pembacaan patok geser. Evaluasi deformasi vertikal dilakukan dengan menggunakan tiga metode, yaitu: 1) membandingkan deformasi vertikal hasil pembacaan terhadap kriteria penerimaan dari Gould, Sherard, Sowers, Clements, ICOLD dan Departemen PU; 2) membandingkan deformasi vertikal hasil pembacaan terhadap database perilaku deformasi bendungan; dan 3) perhitungan settlement index. Deformasi vertikal Bendungan Saguling memenuhi kriteria deformasi yang digunakan. Bendungan Saguling memiliki deformasi vertikal yang lebih rendah dibandingkan bendungan lainnya yang sejenis berdasarkan database perilaku deformasi bendungan. Settlement index Bendungan Saguling tidak melebihi dari 0,02.

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Hutami, Rizka Sartika, Hari Nugroho et Sutarto Edhisono. « EVALUASI PERILAKU DEFORMASI VERTIKAL BENDUNGAN SERMO BERDASARKAN DATA INSTRUMENTASI GEOTEKNIK ». Racic : Rab Construction Research 8, n^o 1 (26 juin 2023) : 1–12. http://dx.doi.org/10.36341/racic.v8i1.2813.

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Deformasi vertikal bendungan merupakan salah satu parameter yang penting untuk dievaluasi baik pada periode konstruksi maupun paska konstruksi. Perilaku deformasi abnormal dapat mengakibatkan berbagai permasalahan yang mengancam keamanan bendungan. Evaluasi menjadi sangat penting untuk dilakukan terutama pada Bendungan Sermo yang telah mengalami pembebanan selama lebih dari 25 tahun sehingga dapat diketahui perilakunya. Identifikasi perilaku normal atau abnormal dilakukan dengan cara mengevaluasi hasil analisis deformasi vertikal berdasarkan data pembacaan instrumentasi terhadap kriteria penerimaan. Pada periode konstruksi, korelasi vertical strain terhadap depth below crest menghasilkan perilaku abnormal. Namun, evaluasi terhadap settlement yang terjadi menghasilkan perilaku normal. Pada periode paska konstruksi, evaluasi dengan kriteria Sherard (1965) dan ICOLD (1993) menghasikan kondisi abnormal pada elevasi tertentu. Namun, evaluasi berdasarkan settlement index serta kriteria penerimaan Sowers (1965) dan Hunter dan Fell (2003) menghasilkan kondisi normal.

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Falkingham, John, et Peter Kite. « 14th German dam symposium and 7th ICOLD European Club dam symposium, 17–19 September, 2007 ». Dams and Reservoirs 18, n^o 1 (avril 2008) : 35–38. http://dx.doi.org/10.1680/dare.2008.18.1.35.

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Hughes, Andy K. « Report on the meeting of the board of the European club of ICOLD, September 2010 ». Dams and Reservoirs 20, n^o 4 (décembre 2010) : 144. http://dx.doi.org/10.1680/dare.2010.20.4.144.

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Shrikhande, Manish, et Susanta Basu. « A critique of the ICOLD method for selecting earthquake ground motions to design large dams ». Engineering Geology 80, n^o 1-2 (août 2005) : 37–42. http://dx.doi.org/10.1016/j.enggeo.2005.02.005.

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Wang, Jida, Blake A. Walter, Fangfang Yao, Chunqiao Song, Meng Ding, Abu Sayeed Maroof, Jingying Zhu et al. « GeoDAR : georeferenced global dams and reservoirs dataset for bridging attributes and geolocations ». Earth System Science Data 14, n^o 4 (21 avril 2022) : 1869–99. http://dx.doi.org/10.5194/essd-14-1869-2022.

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Abstract. Dams and reservoirs are among the most widespread human-made infrastructures on Earth. Despite their societal and environmental significance, spatial inventories of dams and reservoirs, even for the large ones, are insufficient. A dilemma of the existing georeferenced dam datasets is the polarized focus on either dam quantity and spatial coverage (e.g., GlObal geOreferenced Database of Dams, GOODD) or detailed attributes for a limited dam quantity or region (e.g., GRanD (Global Reservoir and Dam database) and national inventories). One of the most comprehensive datasets, the World Register of Dams (WRD), maintained by the International Commission on Large Dams (ICOLD), documents nearly 60 000 dams with an extensive suite of attributes. Unfortunately, the WRD records provide no geographic coordinates, limiting the benefits of their attributes for spatially explicit applications. To bridge the gap between attribute accessibility and spatial explicitness, we introduce the Georeferenced global Dams And Reservoirs (GeoDAR) dataset, created by utilizing the Google Maps geocoding application programming interface (API) and multi-source inventories. We release GeoDAR in two successive versions (v1.0 and v1.1) at https://doi.org/10.5281/zenodo.6163413 (Wang et al., 2022). GeoDAR v1.0 holds 22 560 dam points georeferenced from the WRD, whereas v1.1 consists of (a) 24 783 dam points after a harmonization between GeoDAR v1.0 and GRanD v1.3 and (b) 21 515 reservoir polygons retrieved from high-resolution water masks based on a one-to-one relationship between dams and reservoirs. Due to geocoding challenges, GeoDAR spatially resolved ∼ 40 % of the records in the WRD, which, however, comprise over 90 % of the total reservoir area, catchment area, and reservoir storage capacity. GeoDAR does not release the proprietary WRD attributes, but upon individual user requests we may provide assistance in associating GeoDAR spatial features with the WRD attribute information that users have acquired from ICOLD. Despite this limit, GeoDAR, with a dam quantity triple that of GRanD, significantly enhances the spatial details of smaller but more widespread dams and reservoirs and complements other existing global dam inventories. Along with its extended attribute accessibility, GeoDAR is expected to benefit a broad range of applications in hydrologic modeling, water resource management, ecosystem health, and energy planning.

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Bridle, Rodney. « Report on Meeting of Technical Committee on Fill Dams at ICOLD Brasilia, Friday 22 May 2009 ». Dams and Reservoirs 19, n^o 4 (décembre 2009) : 157–58. http://dx.doi.org/10.1680/dare.2009.19.4.157.

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Bruggemann, Tony. « Book review : ICOLD Bulletin 142 : Bulletin on Safe Passage of Extreme FloodsICOLDParis, FranceICOLD, 2012, £60·00, 192 ». Dams and Reservoirs 24, n^o 1 (mars 2014) : 40–41. http://dx.doi.org/10.1680/dare.14.00016.

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Mu, Mengfei, Qiuhong Tang, Songjun Han, Xiaomang Liu et Huijuan Cui. « Using GRanD Database and Surface Water Data to Constrain Area–Storage Curve of Reservoirs ». Water 12, n^o 5 (27 avril 2020) : 1242. http://dx.doi.org/10.3390/w12051242.

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Basic information on global reservoirs is well documented in databases such as GRanD (Global Reservoir and Dam) and ICOLD (International Commission on Large Dams). However, though playing a critical role in estimating reservoir storage variations from remote sensing or hydrological models, area–storage curves of reservoirs are not conveniently obtained nor publicly shared. In this paper, we combine the GRanD database and Landsat-based global surface water extent (GSW) data to derive area–storage curves of reservoirs. The reported storage capacity in the GRanD database and water surface area from GSW data were used to constrain the area–storage curve. The proposed method has the potential to derive area–storage curves of reservoirs larger than 1 km2 archived in the GRanD database. The derived curves are validated with in situ reservoir data collected in US and China, and the results show that in situ records are well captured by the derived curves both in large and small reservoirs with various shapes. The derived area–storage curves could be employed to advance global monitoring or modeling of reservoir storage dynamics.

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Nisic, D., D. Knezevic, A. Cyjetic, N. Nisic et V. Jovanovic. « Applicability of the risk ranking methodology designed for water reservoirs to tailings storage facilities ». Journal of the Southern African Institute of Mining and Metallurgy 122, n^o 11 (17 janvier 2023) : 1–7. http://dx.doi.org/10.17159/2411-9717/1492/2022.

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The risks associated with operating water reservoirs and tailings storage facilities (TSFs) are different because of their different purposes, methods of construction and operation, and characteristics of the materials impounded and their flow behaviour. Regardless of the differences, these two types of structures are often put in the same category when it comes to risk assessment and the application of relevant methodologies, which may result in unrealistic outcomes. In this paper we investigate whether it is possible to apply the risk ranking methodology designed for water reservoirs to TDFs and overview the key differences between these two types of structures. We also provide a comparative analysis of the results obtained by conducting a risk assessment of the operation of a TSF, applying the method recommended by the International Commission on Large Dams (ICOLD), and analyse the results using the failure mode and effects analysis (FMEA) technique. It is concluded that a more realistic evaluation of risk levels can be obtained by adopting a systematic approach to risk assessment in accordance with the traditional risk definition on which the FMEA technique is based.

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Toledo Salgado, Sérgio Ricardo, et Elsa Maria da Silva Carvalho. « Recommendations for the process of classification of dams in Brazil ». U.Porto Journal of Engineering 9, n^o 3 (28 avril 2023) : 223–39. http://dx.doi.org/10.24840/2183-6493_009-003_001968.

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The Brazilian National Policy on Dam Safety (PNSB) was enacted in 2010 and there are still many actions to be carried out, especially the classification of dams as to associated hazard potential (PHA) and risk category (RC). The analysis conducted based on the Dam Safety Report 2020 informs that there are 21953 dams distributed throughout the Brazilian territory registered in National Dam Information System (SNISB). However, 14849 (67.64%) of the dams were not classified as RC and 13475 (61.38%) of the dams were not classified as PHA. There are 3724 dams classified as high PHA, 2407 (64.64%) of which are considered small in terms of reservoir capacity. Considering this scenario, bibliographic research was conducted on dam classification criteria used in Brazil, Portugal, International Commission on Large (ICOLD) and United States. In addition, bibliographic research was conducted on two studies that used artificial intelligence-based tools to forecast PHA classification. As a result, this study recommends future research with indicated classification criteria and with applications based on artificial intelligence to forecast PHA classification in Brazil.

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