Groundwater Lowering in Construction

Groundwater Lowering in Construction

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Linking theory and application in a way that is clear and understandable, Groundwater Lowering in Construction: A Practical Guide to Dewatering, Second Edition uses the authorsa€™ extensive engineering experience to offer practical guidance on the planning, design, and implementation of groundwater control systems under real conditions. Discover engineering methods that can help you improve working conditions, increase project viability, and reduce excavation costs. In the decade since publication of this booka€™s first edition, groundwater lowering and dewatering activities have been increasingly integrated into the wider ground engineering schemes on major excavations to help provide stable and workable conditions for construction below groundwater level. Consequently, many engineering ventures now require a more in-depth assessment of potential environmental impacts of dewatering and groundwater control, and this book details the latest best practices to evaluate and address them. Includes New Chapters Covering: Cutoff methods used for groundwater exclusion Issues associated with permanent or long-term groundwater control systems Groundwater control technologies used on contaminated sites Methods needed to understand, predict, and mitigate potential environmental impacts of groundwater control works Updated to reflect the crucial technological and application advances shaping construction processes, this book contains valuable direction that can give you a true competitive advantage in the planning and execution of temporary and permanent dewatering works. The authors cover cutting-edge methods and key subjects, such as the history of dewatering, working on contaminated sites, site investigation techniques, and operation and maintenance issues, including health, safety, and legal aspects. Written for practising engineers and geologists as well as postgraduate engineering students, this updated manual on design and practice provides numerous case histories and extensive references to enhance understanding.Oftentimes, in such circumstances, the lack of sensitivity on the control valve will make it difficult (sometimes even ... This requires sensing units in the pump electrical controls linked to upper and lower level sensor electrodes in the well. 10.8.5 level control switches If the pumps are to be operated intermittently, sensor electrodes in the well are used to trigger the pump to start when the water level is highanbsp;...

Title:Groundwater Lowering in Construction
Author:Martin Preene
Publisher:CRC Press - 2012-08-13


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