Groundwater dewatering optimization in the …
Afterward, a groundwater optimization model is integrated with the calibrated simulation model to realize groundwater dewatering optimization in the studied open-pit …
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Research on Multi-Objective Optimization Model of …
This study focuses on optimizing the foundation pit dewatering scheme using the foundation pit dewatering theory and the principles of multi-objective optimization. It explores the development of a multi-objective optimization model and efficient solution technology for foundation pit dewatering. This research focuses on the …
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Groundwater and geotechnical aspects of deep
Groundwater control for deep excavations can be achieved by a number of methods such as grouting, pumping or structural walls or a combination of these. ... Confined aquifer dewatering optimization with a modified simulation–optimization method capable of determining the optimal well screen length and depth. 2024, Journal …
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Dewatering optimization using a groudwater flow model …
Download Citation | Dewatering optimization using a groudwater flow model at the Whitewood open-pit coal mine, Alberta | By 1980, coal production and coal recovery at the Whitewood mine, Alberta ...
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Groundwater dewatering optimization in the Shengli no. 1 …
Impacted by groundwater, faults, lithology, and other factors, the slope of the Shengli no. 1 open-pit coalmine has been in a state of instability. Among these factors, groundwater in the quaternary aquifer is considered primary. Thus, an optimum design for dewatering well pumping rates is presented in this paper. A two-dimensional …
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A linked simulation–optimization model for solving the …
Optimization of confined aquifer dewatering for long-deep excavation using simulation–optimization method. 2024, Underground Space (new) Show abstract. ... Groundwater contamination is a major problem and it can be contaminated by natural or manmade activities. Contaminant sources cannot be identified promptly after a …
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Optimization schemes for deep foundation pit dewatering …
The optimized dewatering scheme with a curtain depth of 60 m and a hydraulic conductivity of 0.00518 m/d, and four rows of dewatering wells with an equal row spacing of 40 m, well depth of 50 m ...
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Groundwater Lowering in Construction | A Practical Guide to Dewatering
The extensively updated Groundwater Lowering in Construction: A Practical Guide to Dewatering, 3rd Edition offers practical advice on all phases of groundwater control systems, from planning and design, through installation and maintenance, and ultimately decommissioning. The expertise provided in this book can help you improve …
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Numerical evaluation of a 70-m deep hydropower station
The foundation pit of Yamansu hydropower station has an average depth of 70 m and has been excavated with five-level slopes. Lowering of groundwater level is important in excavation. In this study, drainage and pumping were conducted in dewatering. Pumping tests were performed to reverse hydraulic parameters and …
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Dewatering 101: An Introduction to Construction …
By David BardsleyApril 12, 2022. Construction dewatering is the process of removing groundwater from a construction site to provide a safe and stable subgrade for excavation. Groundwater is removed from the site using …
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Pit dewatering optimization of a 3D FEFLOW unstructured groundwater …
Join us to Slope Stability 2020 symposiums and discover how DHI deals with geological complexity, optimize dewatering program and explore model uncertainty using data fusion.. 3D unstructured meshing in FEFLOW allows for an increased level of detail in the open pit and a better representation of the geological complexity and …
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Dewatering optimization using a groundwater flow model …
By 1980, coal production and coal recovery at the Whitewood mine, Alberta, were unacceptably low as a result of poor groundwater and surface water control at the mine. A feasibility study conducted to determine the most cost-effective method to reduce groundwater inflows into the mine pit and reduce pore-water pressures in the mine walls …
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Numerical simulation of deep foundation pit dewatering and optimization
Semantic Scholar extracted view of "Numerical simulation of deep foundation pit dewatering and optimization of controlling land subsidence" by N. Zhou et al. ... Aiming at the land-subsidence caused by groundwater dewatering in quaternary loose sediments,based on Biot's consolidation theory,a full coupling three-dimensional …
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Optimal Aquifer Dewatering Schemes for Excavation …
Abstract. Groundwater flow modeling and optimization techniques are used jointly to determine the optimal dewatering system design for a trench type …
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Fig. 1 Sketch map of Shengli no. 1 open-pit coalmine (1.
Groundwater model domain) from publication: Groundwater dewatering optimization in the Shengli no. 1 open-pit coalmine, Inner Mongolia, China | Impacted by groundwater, faults, lithology, and ...
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Construction Dewatering and Groundwater …
Topics covered will include the conditions where different dewatering methods are effective; site subsurface investigation appropriate for dewatering projects, including …
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Optimal Design and Dynamic Control of Construction …
2.1 Calculation of Water Yield and Dewatering Time in Single-well Dewatering Process First of all, the single-well dewatering system is analyzed. As shown in Fig. 1, a cone of drawdown is formed around the well after dewatering. The groundwater near the dewatering well recharges the dewatering region. In order to …
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Optimal design and dynamic control of construction dewatering …
Design optimization of construction dewatering has important values in protecting the surrounding environment and reducing the engineering cost. The existing dewatering design methods are mostly based on the optimization of pumping rate needed to maintain a stable water level, while the drop and rise of water level are not considered …
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A simulation-optimization approach for optimal design of dewatering …
DOI: 10.1016/j.aej.2020.02.029 Corpus ID: 216206522; A simulation-optimization approach for optimal design of dewatering systems in unconfined strata @article{Mansour2020ASA, title={A simulation-optimization approach for optimal design of dewatering systems in unconfined strata}, author={Mona Mansour and Marwa M. Aly}, journal={alexandria …
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Optimization of a deep foundation pit dewatering …
The optimization scheme for dewatering engineering was determined under hydrodynamic, leakage strength, and ground settlement constraints. The filter …
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A simulation-optimization approach for optimal …
Afterward, a groundwater optimization model is integrated with the calibrated simulation model to realize groundwater dewatering optimization in the studied open-pit coalmine, and an optimization ...
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Optimization of confined aquifer dewatering for long …
Dewatering optimization can significantly reduce the number of activated wells. Dewatering in the deepest excavation zone is the most efficient for the long-deep excavation with gradually varying excavation depths. The drawdown requirements of the …
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Inspection and Monitoring Guide for Construction …
high ground water or alluvial aquifers, or when work is done next to receiving waters. Intermittent dewatering may occur during wet weather periods. • Whether dewatering water is discharged to a municipal separate storm sewer system (MS4). If you discharge to an MS4, you should contact the operator of the system (e.g.,
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Well Optimization
Groundwater remediation system design: Pumping well optimization is used to estimate the most cost-effective pump-and-treat groundwater remediation system by minimizing factors such as the number of pumping wells, and total pumping rates, while maintaining capture of the contaminated groundwater plume. Site dewatering system design: …
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Combined Simulation-Optimization of an Excavation Site for Dewatering …
Optimal decision of dewatering of an excavation area in an unconfined aquifer is searched by using the combined optimization-simulation approach. In combining groundwater model with the optimization model, response matrix approach, generated on the basis of linear superposition, is used. MODMAN that calls MODFLOW repeatedly to generate …
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Research on Multi-Objective Optimization Model of …
tlement deformation control, the groundwater environment, and the economic cost. ... provides the dewatering optimization decision scheme for the foundation pit dewatering design and construction ...
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Environmentally sustainable groundwater control during dewatering …
This optimization process is necessary when considering the appropriate dewatering schemes for a particular dewatering project. Traditionally, analyses of ground settlement caused by foundation pit dewatering have used numerical methods to study the effects of seepage and the deformation of foundation pits ( Wu et al., 2015a, Wu et al., …
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MGO Dewater Tutorial
Pumping well optimization technology is used to determine the ideal pumping well locations, and ideal pumping rate s at these locations, in order to minimize or maximize ... pumping rates, while maintaining capture of the contaminated groundwater plume. • Site dewatering system design: Pumping well optimization is used to estimate
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Optimization Strategies for in Situ Groundwater …
Optimization Strategies for in Situ Groundwater Remediation by a Vertical Circulation Well Based on Particle-Tracking and Node-Dependent Finite Difference Methods. Qi Zhu, Zhang Wen, …
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Numerical simulation of deep foundation pit dewatering and optimization
The design and optimization of the dewatering scheme for deep foundation pits in a highly permeable heterogeneous layer are critical to protect water resources, control subsidence and mitigate ...
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