Conference Papers
Permanent URI for this collectionhttps://idr.nitk.ac.in/handle/123456789/28506
Browse
Search Results
Item Best Practices in Geotechnical and Pavement Engineering—An Introduction(Springer Science and Business Media Deutschland GmbH, 2024) Kolathayar, S.; Vinod Chandra Menon, N.; Sreekeshava, K.S.; Shekhawat, P.; Bhargavi, C.In the times of mounting infrastructure demands driven by rapid population growth, the pivotal role of geotechnical investigation in assessing the suitability of construction sites, especially on soft, compressible ground, cannot be overstated. However, the necessity to adhere to packed construction schedules has increased the prevailing trend of rapid construction, often accompanied by significant ground settlements and lateral deformations, which necessitate complex solutions for stability. To transform these challenges into a dependable foundation for construction, various ground improvement techniques, encompassing both mechanical and chemical stabilization methods, must be applied. Importantly, these techniques must align with principles of sustainability, acknowledging the current climate change scenario. Furthermore, the pursuit of sustainable pavement construction, which holds on to the utilization of locally available materials, resilient enough to withstand diverse weather conditions, has risen to prominence. The adoption of stabilized pavement materials, typically integrated into base and sub-base courses, not only ensures longevity but also serves as a much needed measure to conserve increasingly scarce aggregates. This chapter provides glimpse into a comprehensive book volume, delving into the best practices in geotechnical and pavement engineering, comprising five distinct thematic clusters including soil–foundation interaction, sustainable ground improvement techniques, the dynamics of geosynthetics within soil, advanced geophysics, innovative rock mechanics practices, and recent breakthroughs in pavement construction. These insights collectively underscore the need for sustainable and resilient infrastructure development, serving as a promising guide for the future. © The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd 2024.Item Recent Advances in Structural Engineering—An Introduction(Springer Science and Business Media Deutschland GmbH, 2024) Sreekeshava, K.S.; Kolathayar, S.; Vinod Chandra Menon, N.; Bhargavi, C.This comprehensive overview explores recent advances in structural engineering with a focus on sustainability, resilience and performance evaluation of structural members. In the contemporary construction landscape, where environmental concerns and resource limitations significantly influence design practices, the integration of sustainability principles into structural engineering has become imperative. The introductory section emphasizes the multifaceted nature of structural engineering, highlighting the critical elements contributing to sustainable and resilient designs. The analysis of design aspects is crucial, considering strength criteria, energy efficiency, occupant comfort, and minimal environmental impact. Modern structural engineers employ a diverse range of tools and techniques to create environmentally responsible designs, addressing challenges posed by evolving expectations and resource constraints. The strength criteria of structural members, such as ultimate capacity, energy absorption, axial stiffness and durability, are explored through experimental investigations on innovative materials. Studies include the combined use of metakaolin and ground granulated blast-furnace slag in concrete for marine environments, the comparison of alkali-activated concrete with conventional mortar against sulfuric acid attack and the utilization of coconut coir fibre in limestone calcined clay cement concrete. Advancements in reinforcing techniques, including glass fibre-reinforced polymers, carbon fibres and bamboo as alternative construction materials, contribute to the pursuit of sustainable building practices. The exploration extends to seismic performance, wind load analysis and the use of base isolation systems to enhance the resilience of structures. Performance evaluation of structural members encompasses diverse studies, including the behaviour of cold-formed steel tubular columns, stainless steel-reinforced concrete and the seismic response of buildings in different terrain categories. The impact of external factors such as wind, fire and temperature on structural elements is also discussed. Analysis and design aspects cover a range of topics, from the use of finite element modelling to evaluate the behaviour of hybrid composite laminates to the seismic analysis of reinforced concrete frames. The volume emphasizes the importance of progressive collapse analysis, base isolation systems and the evaluation of masonry wall safety. © The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2024.Item Recent Advances in Civil Engineering for Sustainable Communities: An Introduction(Springer Science and Business Media Deutschland GmbH, 2024) Vinod Chandra Menon, N.; Kolathayar, S.; Rodrigues, H.; Sreekeshava, K.S.; Bhargavi, C.In the pursuit of creating resilient and sustainable communities, the field of civil engineering has witnessed remarkable strides driven by innovation and interdisciplinary collaboration. © The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2024.Item Environmental Engineering for Ecosystem Restoration—An Introduction(Springer Science and Business Media Deutschland GmbH, 2024) Vinod Chandra Menon, N.; Kolathayar, S.; Sreekeshava, K.S.; Bhargavi, C.This extensive volume addresses a range of environmental challenges and explores sustainable solutions across various domains. The research encompasses studies on paper consumption trends, thermal energy storage systems in green buildings, health risks associated with long-term noise exposure in urban areas, and passive design principles for buildings in cold and arid climates. The volume also delves into GIS-based assessments for ecosystem restoration, including groundwater quality in a smart city and spatiotemporal variability of short-term meteorological drought in semi-arid regions. Natural risk and vulnerability studies cover topics such as landslide vulnerability and the impact of changing climate on rainfall. Land use and land cover maps are analyzed for spatio-temporal changes using remote sensing and GIS tools. In the realm of industrial assessment, the volume addresses the treatment of dye-based effluents from various industries, focusing on electrochemical systems and adsorption analysis. Soft computing and numerical methods are applied to assess saltwater intrusion in inland aquaculture areas and predict ammonia levels in aquaculture. The volume also explores hydraulic structures' role in flood mitigation, with a focus on energy dissipation using a rigid stepped spillway. Groundwater suitability for irrigation is evaluated using electrical resistivity techniques. Solid waste management and green materials are extensively discussed, covering life cycle assessment in the silk textile industry, carbon footprint assessment of green concrete liners, and the effects of fly ash on concrete properties. Water quality assessment studies include analyses of borewell water for drinking purposes, groundwater quality modeling using artificial neural networks, and the application of phytoremediation for sullage treatment. The volume concludes with discussions on solid waste management in rural areas, with a focus on adaptation strategies, and quantification of water efficiencies in residential buildings. The study contributes to understanding environmental challenges and provides valuable insights for policymakers, researchers, and practitioners. Key themes include sustainable practices, environmental impact assessment, and the development of innovative technologies for waste treatment. © The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2024.Item Civil Engineering for Multi-hazard Risk Reduction-An Introduction(Springer Science and Business Media Deutschland GmbH, 2024) Sreekeshava, K.S.; Kolathayar, S.; Vinod Chandra Menon, N.; Bhargavi.CThe modern built environment faces diverse hazards, emphasizing the need for engineering practices prioritizing safety and resilience. This exploration delves into key aspects of civil engineering: Accessibility and Convenience, Geotechnical Engineering, Risk Analysis and Structural Analysis. It aims to provide a foundational understanding of multidisciplinary approaches used to mitigate risks in civil engineering. In the realm of Accessibility and Convenience, research explores alternative construction materials such as bamboo and innovative concrete formulations. Studies investigate the use of metakaolin, ground granulated blast-furnace slag, alkali activated concrete and coconut coir fibres to enhance durability and sustainability. Polyethylene glycol and chemical admixtures like red mud and silica fume are also examined for their impact on concrete properties. Geotechnical Engineering focuses on subsurface characteristics crucial for safety assessments. Soft computing techniques, including Group Method of Data Handling and Random Forests Classifier, are applied for slope stability analysis. Digital Image Correlation is employed to study soil displacement, while artificial intelligence models predict residual strength post liquefaction. Risk Analysis and Approaches cover climate-smart agriculture, floodplain mapping, solid waste management, and disaster resilience. Machine learning aids in land use classification, flood forecasting, earthquake prediction and identifying risk factors in road construction. The study also evaluates safety distances around gas and oil pipelines. Structural Analysis involves transient and modal analysis of structures under various loads. Contributions include crack propagation studies using digital image segmentation and the application of deep convolutional neural networks for surface crack detection. Building surface crack detection, construction sequence analysis and seismic studies on different building types are explored for structural integrity. The overarching theme underscores the interdisciplinary nature of civil engineering in addressing contemporary challenges. These include climate change impacts, disaster resilience, sustainable materials, and advanced technologies like IoT and AI. As civil engineering plays a pivotal role in developing hazard-resilient structures, the presented research contributes to the evolving landscape of risk reduction and safety enhancement in the built environment. © The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2024.Item Recent Advances in Building Materials and Technologies–An Introduction(Springer Science and Business Media Deutschland GmbH, 2024) Kolathayar, S.; Sreekeshava, K.S.; Vinod Chandra Menon, N.; Shekhawat, P.; Bhargavi, C.This volume underscores the critical influence of building materials on construction projects, emphasizing their role in progress, quality, and operational durability. The construction industry's explosive growth, aligning with economic development, is noted as a positive force for industrialization and modernization. Amidst climate change considerations, the imperative for sustainable and resilient building materials is highlighted. Alternative materials, whether fully or partially replacing aggregates or cement, emerge as vital for sustainable and resilient construction. These include diverse industrial wastes (e.g., plastics, construction by-products) and fibers/ashes (e.g., jute, steel, sugarcane bagasse). A notable innovation is the geopolymer, an alkali-activated binder offering superior durability and mechanical strength with lower energy consumption and CO2 emissions than traditional cement. In waste material utilization, studies explore plastic, waste tea, scrap ceramic tiles, and construction waste in concrete, addressing both sustainable waste management and high-performance structures. Ash applications consider wood ash, palm oil fuel ash, and agricultural waste ashes as sustainable alternatives to traditional cement. Geopolymer advancements encompass mechanical behavior, heat conditions, and novel applications like using iron ore tailings. Durability assessment explores nanotechnology to enhance concrete properties and reduce energy consumption. Fiber-reinforced materials and compressed stabilized earth blocks reinforced with coconut fiber aim for enhanced mechanical properties and reduced carbon emissions. The volume also touches on construction project investigations, addressing safety, progress tracking, and construction delay analysis techniques. In essence, this synthesis offers a panoramic view of recent advances in building materials and technologies, contributing to a holistic understanding of sustainable and resilient construction practices. © The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2024.