Academic literature on the topic 'Cutoff Wall'

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Journal articles on the topic "Cutoff Wall"

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Yuan, Hong-hu, Liao Kun, and Wang Yu. "Inversion analysis and safety evaluation of deformation of cutoff wall in Daning Reservoir." E3S Web of Conferences 276 (2021): 01035. http://dx.doi.org/10.1051/e3sconf/202127601035.

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There is a large amount of backfilled earth on both sides of the wall and the top of the lower wall of the Daning Reservoir’s cutoff wall, which is greatly disturbed by the project, and the safety of the cutoff wall needs to be evaluated. Based on the deformation law and stress condition of rigid cutoff wall during construction, according to the connection characteristics of rigid cutoff wall and plastic cutoff wall structure, the stress analysis of rigid cutoff wall is carried out by using field measurement data, so as to deduce the deformation law of plastic cutoff wall underneath, and evalu
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Singh, A. K., G. C. Mishra, N. K. Samadhiya, and C. S. P. Ojha. "Design of a Rigid Cutoff Wall." International Journal of Geomechanics 6, no. 4 (2006): 215–25. http://dx.doi.org/10.1061/(asce)1532-3641(2006)6:4(215).

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Tong, Xing, Yu-Chao Li, Han Ke, Ying Li, and Qian Pan. "In situ stress states and lateral deformations of soil–bentonite cutoff walls during consolidation process." Canadian Geotechnical Journal 57, no. 1 (2020): 139–48. http://dx.doi.org/10.1139/cgj-2018-0503.

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A long-term in situ test was performed on two soil–bentonite (SB) cutoff walls with different dimensions. The total stresses and pore pressures in the walls were monitored for 8 months, and the lateral wall deformations were monitored for 15 months. The monitoring results revealed that the primary consolidation of the presented SB cutoff walls took approximately 8 months. In the first 5 days, the stress states of the walls were nearly isotropic. The total stresses were less than the geostatic stress, and the lateral wall deformations were negligible. As the consolidation developed, the total h
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Massiéra, Michel. "Utilisation des parois moulées en béton comme rideaux d'étanchéité des fondations de barrages en terre et en enrochement." Canadian Journal of Civil Engineering 18, no. 4 (1991): 590–99. http://dx.doi.org/10.1139/l91-072.

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At La Grande Complex, Quebec, Phase 1, earth and rockfill dams and dykes were constructed, in some cases, on pervious foundations and required deep impervious cutoffs (concrete cast-in-place walls) to bedrock. This paper describes the different construction phases of these concrete cast-in-place walls with emphasis on construction control and special construction problems. Key words: dam, construction, cutoff, excavation, foundations, bentonite, concrete cast-in-place wall, treatment.
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Faridmehr, Iman, Mohammad Reza YazdaniPour, Mohammad Javadi Jokar, and Togay Ozbakkaloglu. "Construction and Monitoring of Cement/Bentonite Cutoff Walls: Case Study of Karkheh Dam, Iran." Studia Geotechnica et Mechanica 41, no. 4 (2019): 184–99. http://dx.doi.org/10.2478/sgem-2019-0019.

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AbstractWater seepage is one of the most important features of embankment dams. To prevent and reduce seepage, it is necessary to seal the dam. Plastic concrete cutoff walls are one of the most efficient methods in waterproofing the foundation of embankment dams on permeable alluvial substrates. Sufficient resistance to loads, low permeability to maintain dam sealing, high ductility compatible with the foundation and deformation under load without cracking are the main requirements in plastic concrete cutoff walls. In this paper, the construction and implementation of the cutoff wall of Karkhe
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Yuan, Hong-Hu, Dai Yao, and Wang Yu. "Grey prediction analysis of cutoff wall affected by construction effect." E3S Web of Conferences 293 (2021): 02054. http://dx.doi.org/10.1051/e3sconf/202129302054.

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The long-term stability analysis of cutoff wall affected by construction effect is crucial. The longterm stability of the cutoff wall of Daning Reservoir is mainly affected by the combined action of highway vehicle load, extreme highway load and water load under different water storage loads. In this paper, the prediction model and method of grey theory are used to predict the horizontal displacement at the top of the cutoff wall, the settlement at the top, the maximum principal stress of the reinforced concrete wall, and the maximum principal stress of the plastic concrete wall based on grey
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Ravkin, A. A., and I. I. Shekhtman. "Prefabricated cutoff wall of an earth dam." Hydrotechnical Construction 27, no. 11 (1993): 627–32. http://dx.doi.org/10.1007/bf01545074.

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Xi, Nian Nian, Fu Guo Tong, Gang Liu, and Tao Zhong. "Finite Element Analysis of Dam Foundation Seepage Effect on Cutoff Wall Depth of Guxue Concrete Gravity Dam." Advanced Materials Research 1073-1076 (December 2014): 1729–32. http://dx.doi.org/10.4028/www.scientific.net/amr.1073-1076.1729.

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This paper is committed to analyze the results of numerical simulation in the dam foundation seepage field of Guxue concrete gravity dam with the finite element method. The results show that the cutoff wall depth of the Guxue dam foundation seriously impacts the seepage effect of cutoff wall. The cutoff wall initially becomes deeper, the reduction of seepage discharge is distinct to reach 24%, as the depth increases gradually, the seepage discharge reduces slowly and can only reach 7%. In a word, the cutoff wall depth of Guxue concrete gravity dam exists a reasonable value and the numerical re
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Soroush, Abbas, and Mohammad Soroush. "Parameters affecting the thickness of bentonite cake in cutoff wall construction: case study and physical modeling." Canadian Geotechnical Journal 42, no. 2 (2005): 646–54. http://dx.doi.org/10.1139/t04-090.

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Concrete cutoff walls are usually constructed using a panel-by-panel technique in which primary panels are constructed with space between them and then secondary panels are constructed and inserted in the spaces. A small thickness of residual bentonite cake from the slurry used during excavation usually remains in the construction joints between adjacent primary and secondary panels. The thickness of such bentonite-filled joints should be minimized in terms of the performance of the cutoff wall in controlling seepage. This research experimentally evaluated the effects of a number of design and
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Zhang, Shu, Binghan Xue, Jing Wang, Jianglin Gao, Chaojie Wang, and Wenzhong Li. "Preliminary Study of Nondestructive Testing of the Polymer Cutoff Wall Based on Vibration Theory." Advances in Materials Science and Engineering 2021 (August 10, 2021): 1–7. http://dx.doi.org/10.1155/2021/4444684.

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The polymer cutoff wall offers the benefits of causing little disturbance to the dam body, being convenient and economical to construct and practical to use, and possessing good resistance to seismic shocks and cracks. It has been widely used to prevent seepage and to reinforce dikes and dams. However, the polymer cutoff wall is a concealed underground structure, and nondestructive testing methods to ensure its integrity are not yet mature. This paper describes a modal analysis of polymer cutoff wall models with different damage scenarios to investigate the feasibility of nondestructive testin
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Dissertations / Theses on the topic "Cutoff Wall"

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Baxter, Diane Yamane. "Mechanical Behavior of Soil-Bentonite Cutoff Walls." Diss., Virginia Tech, 2000. http://hdl.handle.net/10919/27079.

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A soil-bentonite cutoff wall is a type of subsurface vertical barrier constructed by back-filling a trench with a mixture of soil, bentonite, and water. Although soil-bentonite cutoff walls are common, their mechanical behavior is not well understood. Current design procedures do not consider the final stress state of the consolidated soil-bentonite backfill or deformations in adjacent ground. The final stress state in the completed wall is important because it influences the hydraulic conductivity of the cutoff (Barrier 1995), the cutoff's susceptibility to hydraulic fracture, and the magnitu
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Crawford, Anika. "Beneficial reuse of Baltimore dredged sediments as vertical cutoff wall backfill material." College Park, Md. : University of Maryland, 2004. http://hdl.handle.net/1903/1473.

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Thesis (M.S.) -- University of Maryland, College Park, 2004.<br>Thesis research directed by: Dept. of Civil and Environmental Engineering. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.
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Rice, John David. "A Study on the Long-Term Performance of Seepage Barriers in Dams." Diss., Virginia Tech, 2007. http://hdl.handle.net/10919/30034.

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In a vast majority of cases, seepage barriers increase the reliability of dams. However, it is important to recognize that seepage barriers often drastically increase hydraulic gradients around the boundaries of the barrier, and through any windows or defects in the barrier. The result is increased water pressures and hydraulic gradients behind and around the barrier. These increased pressures and gradients have potential to provide the catalyst for initiation of several modes of internal erosion that were either unlikely or less likely without the seepage barrier. As a consequence, seepag
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Ostrowsky, Jennifer. "A New Approach for Evaluating the Ductility, Volumetric Stiffness, and Permeability of Cutoff Wall Backfill Materials." DigitalCommons@USU, 2019. https://digitalcommons.usu.edu/etd/7680.

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The use of plastic concrete for cutoff walls in dams for remediation of seepage issues has become more widely used in the past 25 years, however, the in-situ material properties are still not well understood. The research presents a new testing procedure that combines two existing testing methods, triaxial shear and permeability testing. By developing this laboratory testing method, material properties of the cutoff wall backfill material can be more accurately examined and explained using changes in the permeability of the material to discern the ductility and stiffness.
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Takai, Atsushi. "Geoenvironmental Reliability of Soil-Bentonite Mixture Cutoff Walls." 京都大学 (Kyoto University), 2014. http://hdl.handle.net/2433/188847.

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Britton, Jeremy Paul. "Soil-Bentonite Cutoff Walls: Hydraulic Conductivity and Contaminant Transport." Diss., Virginia Tech, 2001. http://hdl.handle.net/10919/28642.

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Soil-bentonite cutoff walls are commonly used to contain contaminants in the subsurface. A key property in determining the effectiveness of a cutoff wall is its hydraulic conductivity. There are important difficulties and uncertainties regarding the accuracy of commonly used methods of measuring the hydraulic conductivity of cutoff walls. When predicting contaminant transport through cutoff walls, common practice is to use the average hydraulic conductivity of the wall. There are some cases, however, such as circumferential cutoff walls with inward hydraulic gradients, where it is also imp
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Nakamura, Chikara. "Asymptotic behaviors of random walks; application of heat kernel estimates." Kyoto University, 2018. http://hdl.handle.net/2433/232222.

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Chuang, Chih-Wei, and 莊志威. "A Study for the Cutoff Wall of the Groundwater Reservoir." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/55030048323601157284.

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碩士<br>中原大學<br>土木工程研究所<br>98<br>Abstract Groundwater reservoir is a kind of water resource development construction which is to cut off and store the groundwater runoff in the aquifer. In this study, the basic concept and developed simulation of groundwater reservoir were expected to discuss. And also the Da-Ping groundwater reservoir in Dong-Ju Island area was taken as a case study. Dong-Ju Island is located in the most south part of Matsu Islands. In order to solve the risk of water shortage of Matsu area in 2021, the Water Resource Planning Institute (Water Resource Agency) carried out two p
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Ζιώγας, Αλέξανδρος. "Μελέτη θεμάτων διαχείρισης παράκτιων υδροφορέων με αριθμητικά μοντέλα". Thesis, 2013. http://hdl.handle.net/10889/7934.

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Διερευνώνται επιμέρους θέματα διαχείρισης παράκτιων υδροφορέων που αφορούν στην διασφάλιση της αειφορίας των υπόγειων αποθεμάτων μέσω (α) της προστασία τους έναντι στην υποβάθμιση της ποιότητάς τους που μπορεί να προέλθει από τη διείσδυση του θαλασσινού νερού και από ανθρωπογενείς δραστηριότητες και (β) της διασφάλισης της κάλυψης των αναγκών σε υπόγειο νερό κατά τις περιόδους αυξημένης ζήτησης. Η διερεύνηση βασίζεται στη χρήση δύο αριθμητικών μοντέλων υπόγειας ροής που λαμβάνουν υπόψη τις διαφορές πυκνότητας μεταξύ γλυκού και αλμυρού νερού και περιλαμβάνει τα ακόλουθα: Παρουσιάζεται ο τρόπο
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Books on the topic "Cutoff Wall"

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Barvenik, Matthew J. Construction quality control and post-construction performance verification for the Gilson Road hazardous waste site cutoff wall. Hazardous Waste Engineering Research Laboratory, U.S. Environmental Protection Agency, 1987.

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Leach, Roy E. Falling beam soilsaw TM [superscript]: An advanced process for forming underground cutoff walls. U.S. Army Engineer Waterways Experiment Station, 1995.

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Teeter, Ray Masters. The use of fly ash in self-hardening slurry trench cutoff walls: Submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy in Civil Engineering in the Graduate School of Syracuse University. University Microfilms International, 1991.

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Book chapters on the topic "Cutoff Wall"

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Stroh, Dieter, and Axel Poweleit. "The Cutoff Wall Technique — Development and State of the Art." In Contaminated Soil ’90. Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-011-3270-1_284.

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Li, Xuepeng, Guojun Cai, Songyu Liu, and Yuchao Li. "Analysis of Consolidation Processing of Piezocone Penetration Test in Cutoff Wall." In Proceedings of the 8th International Congress on Environmental Geotechnics Volume 2. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-2224-2_48.

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Li, Xuepeng, Guojun Cai, Songyu Liu, and Yuchao Li. "A Penetration Processing Study of Piezocone Penetration Test in Cutoff Wall." In Proceedings of GeoShanghai 2018 International Conference: Multi-physics Processes in Soil Mechanics and Advances in Geotechnical Testing. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-0095-0_54.

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Barlow, Landon C., and Michael A. Malusis. "Assessment of Backfill Hydraulic Conductivity in an Instrumented Soil-Bentonite Cutoff Wall." In Proceedings of the 8th International Congress on Environmental Geotechnics Volume 2. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-2224-2_36.

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Aghajani, Hamed Farshbaf, Mahsa Mousavi Anzabi, Zahra Sheikhi, and Rahele Shokri. "Selecting Optimum Cutoff Wall Position for Rehabilitation of an Inclined Core Earthfill Dam." In Proceedings of GeoShanghai 2018 International Conference: Multi-physics Processes in Soil Mechanics and Advances in Geotechnical Testing. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-0095-0_29.

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Yang, Yu-Ling, Krishna R. Reddy, Yan-Jun Du, and Ri-Dong Fan. "Sorption of Lead to Slurry Trench Cutoff Wall Backfills Comprised of SHMP-Amended Ca-Bentonite." In Proceedings of the 8th International Congress on Environmental Geotechnics Volume 2. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-2224-2_66.

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Wu, Haoliang, Jing Ni, Luo Zeng, Mengyu Huang, and Yanjun Du. "Durability of Alkali-Activated Slag - Bentonite Cutoff Wall Exposed to Sodium Sulfate and Pb-Zn Solution." In Proceedings of the 8th International Congress on Environmental Geotechnics Volume 2. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-2224-2_53.

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Evans, Jeffrey C. "Vertical cutoff walls." In Geotechnical Practice for Waste Disposal. Springer US, 1993. http://dx.doi.org/10.1007/978-1-4615-3070-1_17.

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Evans, Jeffrey, Daniel Ruffing, and David Elton. "Slurry trench cutoff walls." In Fundamentals of Ground Improvement Engineering. CRC Press, 2021. http://dx.doi.org/10.1201/9780367816995-8.

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Yang, Yu-Ling, Yan-Jun Du, Krishna R. Reddy, and Ri-Dong Fan. "Chemical Compatibility of Slurry Trench Cutoff Wall Backfills Comprised of SHMP-Amended Ca-Bentonites in Lead-Contaminated Solutions: Hydraulic Conductivity Assessment." In Lecture Notes in Civil Engineering. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-51350-4_37.

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Conference papers on the topic "Cutoff Wall"

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Hlepas, Georgette, and Vanessa Bateman. "Evolution of USACE Seepage Cutoff Wall Contracts." In Grouting 2017. American Society of Civil Engineers, 2017. http://dx.doi.org/10.1061/9780784480809.048.

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Ruffing, Daniel, Jeffrey Evans, and Nathan Coughenour. "Soil-Bentonite Slurry Trench Cutoff Wall Longevity." In IFCEE 2018. American Society of Civil Engineers, 2018. http://dx.doi.org/10.1061/9780784481608.021.

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Evans, Jeffrey C., and Daniel Ruffing. "Stresses in Soil-Bentonite Slurry Trench Cutoff Wall." In Eighth International Conference on Case Histories in Geotechnical Engineering. American Society of Civil Engineers, 2019. http://dx.doi.org/10.1061/9780784482148.018.

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Branch, Anita, and M. D. Sahadat Hossain. "Seepage Analyses of Soil-Bentonite Slurry Cutoff Wall through Landfill." In Geo-Denver 2007. American Society of Civil Engineers, 2007. http://dx.doi.org/10.1061/40907(226)9.

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Evans, Jeffrey C., and Daniel G. Ruffing. "Design and Construction of an Experimental Soil-Bentonite Cutoff Wall." In Geotechnical Frontiers 2017. American Society of Civil Engineers, 2017. http://dx.doi.org/10.1061/9780784480441.018.

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He, X. X., R. J. Wang, F. Yan, and Y. X. Fan. "Effect of seepage-stress coupling on stress and deformation of cutoff wall." In 2016 5th International Conference on Civil, Architectural and Hydraulic Engineering (ICCAHE 2016). Atlantis Press, 2016. http://dx.doi.org/10.2991/iccahe-16.2016.132.

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Jacob, Robert W., Hannah E. Rickertsen, Daniel Ruffing, et al. "Defect Detection and Characterization in Soil Bentonite Cutoff Wall Using Electrical Resistivity." In International Foundations Congress and Equipment Expo 2021. American Society of Civil Engineers, 2021. http://dx.doi.org/10.1061/9780784483411.035.

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Patton, P., S. Day, and M. Byle. "Compatibility Evaluation of Groundwater Cutoff Wall Using Salt-Resistant Bentonite and BFS/Cement for Deep-Mix Barrier Wall." In Geo-Denver 2007. American Society of Civil Engineers, 2007. http://dx.doi.org/10.1061/40916(235)12.

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Martín Contreras, Miguel Ángel, Alfredo Vega, and Santiago Cortés. "Light Meson Spectroscopy Using AdS/QCD Soft Wall Model with Extra UV Cutoff." In Proceedings of the 8th International Conference on Quarks and Nuclear Physics (QNP2018). Journal of the Physical Society of Japan, 2019. http://dx.doi.org/10.7566/jpscp.26.022005.

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Wang, Huijiao, Yunpeng Li, Bing Han, and Zhiyin Wang. "FEM Simulation of Deformation and Damage Rule of Cutoff Wall under Rainfall Erosion Effect." In International Conference on Pipelines and Trenchless Technology. American Society of Civil Engineers, 2013. http://dx.doi.org/10.1061/9780784413142.025.

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