International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395-0056
Volume: 10 Issue: 05 | May 2023
p-ISSN: 2395-0072
www.irjet.net
Management of hydrogeological risks in underground constructions Ar. Prarthana N C 1, Ar. Vidya Naveen2 1M.Arch (construction project management) student, Faculty of Architecture, Dr .M.G.R Educational and Research
Institution, Chennai, India.
2 Associate Professor, Faculty of Architecture, Dr .M.G.R Educational and Research Institution, Chennai, India.
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Abstract - In recent years, population growth has
based on a variety of criteria to make inferences and draw a conclusion.
progressed, and large cities are growing rapidly as "compact cities" where space is a priority. This makes it particularly urgent to build the underground spaces of the future more cost-effectively and to increase the reliability of construction and operational performance. Considering the cost and performance of underground structures requires understanding and managing the hydrogeological risks that affect groundwater and Earth's geology. It deals with both the construction sector and the natural environment. Regarding underground structures, the risks and impacts caused by groundwater, soil and rock geology are unpredictable and there are many uncertainties. Therefore, proper investigation of groundwater assessment and geotechnical investigation of construction sites are very important aspects for underground structures. This study reports on the problems and challenges faced by groundwater and soil conditions during the construction phase of underground construction projects.
3. IDENTIFICATION AND EVALUATION OF GROUNDWATERDURING PLANNING AND CONSTRUCTION Reconnaissance: Utilizing symbolism understanding and site visits to recognize an outline of water table circumstances, yet frequently requires subsurface examinations. Investigation of the Subsurface: Test borings or potentially test pits to profundities underneath the expected exhuming will be expected to characterize the ground water profundity and conditions including static, roosted, and artesian circumstances. Cohesion-less soils, such as sands, gravels, and silt sands, allow water to flow more easily through them, so groundwater conditions can typically be observed visually. Conditions of groundwater in cohesive soils (clay and silt clay) cannot be observed visually for water flow and frequently require laboratory testing. Stream speeds in muds can be under 1 foot/year.
Key Words: Groundwater challenges, dewatering methods, diaphragm wall construction, contiguous pile techniques, basement excavation, waterproofing.
Because of the sluggish pace of stream in strong soils and wells, piezometers and other subsurface instruments might require days to months to record groundwater changes and tension. Ground water reading may require a "zero" volume change device, such as a diaphragm transducer, to read changes in groundwater head in real time when these changes are crucial to the design process. For their decisions to be effective, the engineering team in charge of all project phases—from initial planning and budgeting to final construction—must be aware of the potential impact of groundwater during design, construction, and after construction.
1. INTRODUCTION Under the surface of the Earth, pore spaces in soil and fractures in rock formations contain groundwater. A fundamental property that influences the soil's strength and compressibility and its capacity to support structural loads is the flow of groundwater below the surface. Due to the relative incompressibility of water, the soil media takes on very specific physical characteristics when saturated. Groundwater has an impact on the project by influencing the facility's design, function, and cost whenever construction must take place below the water table or when soil is used to retain water. In construction projects, groundwater is a frequent source of disagreement between owners and contractors.
4. CASE STUDIES 4.1. GROUNDWATER CONTROL FOR CONSTRUCTION PURPOSES: A CASE STUDY FROM KUWAIT
2. METHODOLOGY The study's methodology includes a literature review of various ground water issues in construction. Investigations of contextual analyses confronting issues with cellar developments. Analyses of live case studies of buildings with basements that are at risk from hydrogeological hazards and comparisons between them
© 2023, IRJET
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Impact Factor value: 8.226
Location- Kuwait Purpose – foundation dewatering Project - major sewage system renovation throughout Kuwait City
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ISO 9001:2008 Certified Journal
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