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1978 articles for “Environmental” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Methodology to Evaluate Technology in the Housing Market
Abstract: India is facing a huge shortage of housing for the urban population. As per the 2010 census, the lag in urban housing shortage is around 24.7 million. This huge shortage is a result of fast growing urbanization and high population growth in the last decade. About 99% of this shortage is in the EWS and LIG groups which contribute to nearly 25% of total housing requirement. To satisfy this huge …
Published in Journal of Construction Engineering, Technology & Management · Vol. 4, Issue 1, 2014 · pp. 14–25 Read article
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A Proposed Management System for Efficient Construction Site Productivity
Abstract: The concept of on-site construction productivity has long been a major concern of researchers and construction companies. The factors that influence construction site productivity vary according to the project environment, project type, staff, management, and other related factors and/or variables. In this study, the main factors that are believed influencing construction site productivity are reviewed as environmental, manpower, management, and site. A field survey has evaluated site productivity of 150 …
Published in Journal of Construction Engineering, Technology & Management · Vol. 4, Issue 3, 2014 · pp. 20–30 Read article
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Effect of Silica Fume on Recycled Aggregate Concrete
Abstract: Use of recycled aggregate (RA) in concrete can be useful for environmental protection and in economical terms. Recycled aggregates are the materials for the future. It is a well-known fact that it gives a little lower strength than natural aggregate concrete. Though, if used up to 20% of replacement, it can give almost similar strength as that of natural aggregate concrete. Hence, it is necessary to improve strength of recycled …
Published in Journal of Construction Engineering, Technology & Management · Vol. 2, Issue 1-3, 2012 · pp. 30–41 Read article
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Probabilistic Sensitivity Analysis of Cover Quantity and Quality of Reinforced Concrete Structures
Abstract: Design procedures based on current specifications do not always ensure required service life, mostly due to the environmental effect, error at the time of construction and underestimated cover properties at the time of design. Moreover, single-point value of any property does not provide rational support to the decision maker. Statistical resampling technique for each of the cover properties used to find out the service life of the structures is thus …
Published in Journal of Construction Engineering, Technology & Management · Vol. 2, Issue 1-3, 2012 · pp. 48–53 Read article
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Characteristics of Hydrated Concrete Mix by Using Steel Slag
Abstract: Steel slag is derived from steel manufacturing industry and is produced in burned steel production furnaces. Those produced steel slags can be consumed as coarse or fine aggregates in the construction of civil engineering structures while preparing the concrete. It is usually used as aggregate in hot mix asphalt surface purposes. However, in numerous numbers of recent researches it has been observed that there is a possibility of consuming this …
Published in Journal of Construction Engineering, Technology & Management · Vol. 12, Issue 1, 2022 · pp. 33–40 Read article
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REALIZATION OF SUSTAINABLE CIVIL INFRASTRUCTURES THROUGH EFFECTIVE PROJECT MANAGEMENT IN A CHALLENGING ECONOMY
Abstract: Infrastructure and effective project management is a great challenge facing sustainable development of infrastructure in Third World Cities and Civil Engineers have a lot of roles to play in sustainable infrastructural development in a challenging economy. This paper examines ways of realizing sustainable infrastructures through project management and civil engineering practice. Secondary data from works of literature and notable information from engineers were utilized. Project management is very essential for …
Published in Journal of Construction Engineering, Technology & Management · Vol. 12, Issue 3, 2022 · pp. 1–10 Read article
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Experimental Investigation on the Strength of Concrete with Partial Replacement of Cement using GGBS and Alccofine
Abstract: Cement is the most important ingredient of concrete. A large scale production of cement consumes large amount of energy and produce a large amount of carbon dioxide (CO2) gas which harmful to human as well as environmental and natural resources. So, to avoid the effect to use industrial waste productions as a supplementary cementitious material (SCM) in making concrete i.e. silica fumes, rice husk ash, fly ash, metakaolin, alccofine, ground …
Published in Journal of Construction Engineering, Technology & Management · Vol. 13, Issue 1, 2023 · pp. 35–43 Read article
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Effect on Mechanical Properties of Concrete Using Industrial Waste
Abstract: Waste management is a great challenge for any country in current and future aspect. Solid waste generates from different industry i.e. stone, marble, coal, tire etc. are major issues in India. These wastes create major environmental & health problems for surrounding people. This study represents the utilization of waste kota stone slurry and marble powder as sand & cement replacing material with 15% fly ash of class-C. Waste kota stone …
Published in Journal of Construction Engineering, Technology & Management · Vol. 13, Issue 2, 2023 · pp. 19–25 Read article
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Towards a Sustainable City: Evaluating a Dynamic Model for Urban Operation
Abstract: This paper examines the theory of the polycentric city, building on the transformation of urban operations that occurred during the pandemic. It investigates how cities and their residents adapted to measures and precautions during the pandemic, exploring the potential for a new dynamic model. This model incorporates an updated polycentric theory, integrates new technology, and adheres to sustainable development principles, with the aim of creating a sustainable, climate-friendly, and user-centric …
Published in Journal of Construction Engineering, Technology & Management · Vol. 13, Issue 3, 2023 · pp. 24–36 Read article
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Impact of water-cement ratio and cement content on pore area percentage and chloride diffusion – A molecular dynamics study
Abstract: The exposure of a reinforced structure to water-based settings leads to the occurrence of chloride-induced corrosion, resulting in a reduction in both the durability and performance of the structure. The entry of chloride ions into concrete and the pore area percentage is influenced by several elements, including the degree of humidity, the presence of fractures, environmental conditions, water-to-cement ratio (w/c ratio), and cement content. This research focuses on the utilization …
Published in Journal of Construction Engineering, Technology & Management · Vol. 13, Issue 3, 2023 · pp. 37–45 Read article
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Revolutionizing Low Carbon Concrete: Innovations at the Nexus of Computational Science, Data Analytics, and Sustainable Technologies
Abstract: Concrete production accounts for 7% of global CO2 emissions necessitating low carbon innovations to curb exponential demand threatening climate commitments. This research reviews sustainable construction literature integrating computational simulations, big data infrastructure monitoring and alternative process redesign. Analysis reveals 30-50% reductions achievable through combined use of industrial ecologies, smarter sensing coordinated with ML optimization and novel binders like alkali-activated geopolymers. Rigorous LCA quantification verifies environmental superiority over conventional formulations. Case …
Published in Journal of Construction Engineering, Technology & Management · Vol. 13, Issue 3, 2023 · pp. 16–23 Read article
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Design and Modeling of High Speed Homopolar Inductor Alternator
Abstract: Homopolar inductor alternator (HIA) is basically used for high speed application because of its expected high reliability in severe environments, high efficiency and capacity of rotating at high speed. Even though homopolar inductor alternator is a synchronous generator, the asymmetric structure of alternator makes its theoretical principle ambiguous and design of alternator is difficult. So investigation on this alternator is very important. In this study, design and modelling of six …
Published in Journal of Control & Instrumentation · Vol. 9, Issue 3, 2018 · pp. 30–36 Read article
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Control System Design and Performance Analysis of PID and IMC controllers for Continuous Stirred Tank Reactor (CSTR)
Abstract: The Continuous Stirred Tank Reactors (CSTRs) are one of the most important parts of chemical process industries and sewage treatment plants. They also have various other miscellaneous applications. So, they are very important from industrial point of view, economic point of view and environmental point of view. The CSTRs have complex non-linear dynamic characteristics. In this paper, mathematical model is developed followed by SIMULINK model. The temperature control of the …
Published in Journal of Control & Instrumentation · Vol. 10, Issue 1, 2019 · pp. 16–22 Read article
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MEMS Sensors in IoT Applications
Abstract: IoT is a system which connects objects and users via internet. Things can be much more simplifiedusing MEMS technology where they can operate with Ultra low power and can provide accurateresults in a convenient method. MEMS can improve traditional technologies involved in IoT. Thispaper focuses on energy harvesting, performance of MEMS sensors, fault identification, smartcommunication and MEMS switching technology. As we know that IoT devices are well equipped incertain areas …
Published in Journal of Control & Instrumentation · Vol. 12, Issue 1, 2021 · pp. 18–22 Read article
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Performance Analysis and Detection of Stress using IoT Sensors
Abstract: The objective of this paper is to review recent researches on several stress prediction and detection techniques and also to provide better streamline on various stress management techniques. Worldwide, people experience mental stress concerns with different reasons including family issues, financial issues, social issues and environmental issues. The adjustable stress can develop a person; however, the strong response or continuous stress becomes critical. Hence, prediction, detection and management of physical …
Published in Journal of Control & Instrumentation · Vol. 13, Issue 1, 2022 · pp. 7–15 Read article
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Investigation of Heat Transfer in Concentric Annuli with Perforated Inserts
Abstract: The increasing necessity for saving energy and material imposed by the diminishing world resources and environmental concerns have prompted the development of more effective heat-transfer equipment with improved heat-transfer rates. The hydrodynamic boundary layer acts as main resistance for the transfer of heat from tube surface to fluid or vice-versa and many researchers are trying to improve the convective heat transfer rate with inserts in tubes to break the boundary …
Published in Journal of Experimental & Applied Mechanics · Vol. 9, Issue 1, 2018 · pp. 56–68 Read article
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Performance analysis of Butanol and Waste Cooking Oil bio-diesels in VCR diesel engine
Abstract: Global energy crisis is the key reason for switching to alternate fuels without compromising with environmental standards. This paper focuses on assessing the performance parameters viz. brake thermal efficiency (BTE), brake specific fuel consumption (BSFC), air/fuel ratio and torque against gradually increasing load (0-4 kg) for waste cooking oil (WCO) biodiesel, butanol biodiesel and neat diesel in a variable compression ratio engine. Three different blends of WCO and butanol, separately, …
Published in Journal of Experimental & Applied Mechanics · Vol. 9, Issue 3, 2018 · pp. 113–117 Read article
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Emission Analysis Of Butanol and Waste Cooking Oil in VCR Diesel Engine
Abstract: Environmental pollution and depleting energy resources are two major reasons to find a suitable alternative fuel. The experimental study is carried out on a variable compression ratio engine to compare the emissions produced by the engine using the blends of waste cooking oil and that of butanol, separately with the emissions produced by the same engine using neat diesel on the different compression ratio and loads. The blends were prepared …
Published in Journal of Experimental & Applied Mechanics · Vol. 9, Issue 3, 2018 · pp. 86–90 Read article
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CHARACTERIZATION OF STRENGTH OF ALUMINUM (Al 6063-T6) AFTER CORROSION
Abstract: Aluminum are frequently used as light weight structure in various nautical design. One of them is the ship structure design where sever environment of saline water influences the damage of the structure and one among them is pitting. In this paper, an experimental verification of strength and impact of corrosion effect on Al-6063 – T6 aluminum was presented. The specimens were exposed to saline water for various duration like 500hrs, …
Published in Journal of Experimental & Applied Mechanics · Vol. 12, Issue 3, 2021 · pp. 48–61 Read article
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Investigating the Dynamics of Vortex Shedding in Bluff Body Flows
Abstract: In engineering applications, bluff body flows are commonplace. They are typified by the creation of vortices in the wake zone, a phenomena called vortex shedding. The current study uses a mix of computer simulations and experimental data to examine the dynamics of vortex shedding inbluff body flows. A range of bluff body designs were investigated, and the flow characteristics were analyzed using computational fluid dynamics (CFD) and high-resolution particle image …
Published in Journal of Experimental & Applied Mechanics · Vol. 14, Issue 3, 2023 · pp. 18–23 Read article