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1983 articles for “SGI 400/15 grade” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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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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Experimental Study on Fibre Reinforced High Performance Concrete with Silica Fume
Abstract: This paper presents the effect of silica fume and glass fibre in High Performance Concrete (HPC). In this study, High Performance Concrete mixes with silica fume of 0, 10, and 20% with addition of glass fibre of diameter 14 μ and 12 mm length at various percentages as 0, 0.3, and 0.6% by the volume of cement on M75 grade of concrete. The mix proportions of concrete had a constant …
Published in Journal of Construction Engineering, Technology & Management · Vol. 3, Issue 1, 2013 · pp. 26–30 Read article
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Influence of Mineral Admixture on Compressive Strength of Concrete
Abstract: The current paper shows the results of an investigation focused on the effect of metakaoline (MK) and silica fume (SF) on the compressive strength of concrete. The aim of the study was to investigate the effect of concrete compressive strength containing different percentage levels of metakaoline and silica fume on fresh and mechanical properties of the concrete. Pastes containing 0%, 5%, 10%, 15% and 20% of metakaoline and silica fume …
Published in Journal of Construction Engineering, Technology & Management · Vol. 2, Issue 1-3, 2012 · pp. 42–47 Read article
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Analysis and A.I. Modelling of Parameters of Symmetrical Multistory Building using Non-linear Static Analysis
Abstract: Non-linear static analysis (Push over Analysis) is the emerging field in seismic design of structures.The major drawback of elastic analysis is that the response beyond the linear state is neither linearnor simple extrapolation. Although elastic analysis gives a good indication of the elastic capacity ofstructures, but it cannot account for redistribution of forces during progressive yielding of a structurethat follows and to predict its failure mechanism or detect possible location …
Published in Journal of Construction Engineering, Technology & Management · Vol. 11, Issue 1, 2021 · pp. 1–15 Read article
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Effect of Silica Fume in High-performance Selfcompacting Concrete with Conplast SP430
Abstract: Concrete is a construction material used worldwide since ages. Self-compacting concrete is that type of concrete which is firstly being developed in Japan in early 1990s and is capable to flow under its own weight and completely fill the formwork, without vibration effect, and cohesive enough to be handled without segregation and bleeding. Self-compacting concrete is known to be new class of high-performance concrete which is used to facilitate and …
Published in Journal of Construction Engineering, Technology & Management · Vol. 11, Issue 2, 2021 · pp. 12–18 Read article
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Effect of RHA on Strength of M20 Concrete Under Both Acidic and Non-Acidic Medium by Using Rebound Hammer Test
Abstract: Commonly, Portland cement is the most common type of cement in general use around the world as a basic ingredient of concrete which release large amount of carbon dioxide while manufacturing. Consequently there is important to utilize choice to limit the effect on climate. In this paper Rice husk debris were to some degree traded for concrete material. In this investigation ice husk debris are utilized as a swap for …
Published in Journal of Construction Engineering, Technology & Management · Vol. 11, Issue 3, 2021 · pp. 1–6 Read article
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Properties and Characteristics of Lean Concrete Made with Recycled Coarse Aggregate and Fly Ash
Abstract: Qualitative aggregates have become scarce and expensive in various places in India, due to rapid enhancement in infrastructure activities essential for the development of new construction facilities. The use of waste materials in construction appears to be an attractive proposition because of their low cost, environmental considerations and depleting source of quality aggregates, if good performance can be ensured through appropriate technology. The problem of disposal of waste generated from …
Published in Journal of Construction Engineering, Technology & Management · Vol. 11, Issue 3, 2021 · pp. 13–26 Read article
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Optimum Mixture Proportioning of Sawdust Ash Blended Sand-Stone Dust Blocks Using Scheffe’s Regression Theory
Abstract: This study carried out an experimental investigation on the compressive strength of sawdust ash blended sand-stone dust block of size 450 x 225 x 150 mm using Scheffe’s (5, 2) regression theory. The compressive strength of sawdust ash blended sand-stone dust blocks obtained based on fifteen trial mix ratios were used to develop the mathematical model while the results of the compressive strength values obtained based on the additional fifteen …
Published in Journal of Construction Engineering, Technology & Management · Vol. 13, Issue 2, 2023 · pp. 33–40 Read article
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Experimental Investigation on Hybrid Laminated Composites Reinforced with Basalt-Pineapple-Bamboo Fibers
Abstract: In the majority of technological applications, particularly in automotive and building materials, natural fibre-reinforced composites are now more common. Natural fibre developments have seen a tremendous rise in demand recently. As a filler material, Snail Shell Powder was utilized in the current work to evaluate the mechanical and thermal characteristics of hybrid reinforced composites constructed from natural fibres such as basalt, pineapple, and bamboo. Snail shell powder weighed six grams …
Published in Journal of Construction Engineering, Technology & Management · Vol. 13, Issue 3, 2023 · pp. 9–15 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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RF Based 3-Axis Robotic Arm using MEMS
Abstract: This 3-axis MEMS accelerometer are used in various applications like human–machine interactive games; for this application, hand gesture problem is used. This setup includes a number of 3-axis accelerometers on fingers and back of the palm to measure dynamic and static gestures, a programmable microcontroller to detect hand postures of American Sign Language and send them to a host via serial communication and analog multiplexer. The apparatus consists of sensors …
Published in Journal of Control & Instrumentation · Vol. 9, Issue 3, 2018 · pp. 15–20 Read article
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High Gain Observer and Moving Horizon Estimation for Parameters Estimation and Fault Detection of an Induction Machine: A Comparative Study
Abstract: The synthesis of a high gain observer (HGO) and moving horizon estimation (MHE) for the on-line estimation of the rotor fluxes, the rotor speed of the induction motor from the current and voltage measurements is presented. This paper presents two approaches for estimating the parameters of an induction machine during normal and faulty functionning. These approaches are based on the HGO and MHE. Simulation results show that we can identify …
Published in Journal of Control & Instrumentation · Vol. 8, Issue 2, 2017 · pp. 15–26 Read article
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Assessment of Reservoir Storage Capacity and Silt Deposition Using Advanced Instruments: A Case Study
Abstract: Reservoirs on the upstream side of sediment-laden river dams fill with sediment over time, lowering their storage capacity. This research focuses on advanced instrumentation techniques used to analyse storage capacity and estimate the quantity of sedimentation deposited in the reservoir at Kadana Dam, Kadana Village, Mahisagar District, Gujarat, India. During the research investigations, a multi-frequency acoustic system with frequencies of around 33 KHz and 210 KHz was employed to assess …
Published in Journal of Control & Instrumentation · Vol. 12, Issue 3, 2021 · pp. 27–37 Read article
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Renovation, Modernisation and Uprating of Hydropower Station
Abstract: Although hydropower has been used since ancient times to grind floor and to perform other tasks, the world’s first hydro electrical power generation started in England in 1881. Hydropower facilities now generate nearly a quarter of the world's electricity. Hydropower is produced in more than 150 nations throughout the world. Hydropower has many advantages over other conventional sources of power and so it is the main attractive source for developers. …
Published in Journal of Control & Instrumentation · Vol. 13, Issue 1, 2022 · pp. 1–6 Read article
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A Comparative Analysis of the Automotive Parts Using the Electre Method
Abstract: The engine one of the most important components of a vehicle and the performance of the vehicle depends on it. Every It is the heart of the vehicle. It's a complex an engine that converts heat from burning gas into power Designed to change turn road wheels.The automobile gave people more personal freedom and provided access to jobs and services. This is Better roads and transportation led to growth. For …
Published in Journal of Control & Instrumentation · Vol. 13, Issue 3, 2022 · pp. 16–27 Read article
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Mechanical and Tribological Properties of Cr3C2-NiCr Coated Ti6Al4V Implant Alloy
Abstract: Ti6Al4V alloys are widely used in medical and aerospace applications due to their superior mechanical properties. But, Ti6Al4V alloys are poor in tribological properties such as wear. Poor wear resistance consequences in the formation of wear debris in human implants and leads to inflammation and pain. In this work, Cr3C2-NiCr coatings were applied to improve the mechanical properties such as tensile strength, hardness and tribological properties such as wear resistance. …
Published in Journal of Experimental & Applied Mechanics · Vol. 8, Issue 3, 2017 · pp. 28–42 Read article
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Investigation of Physical Characteristics and Machining Parameters of Improved Al-SiC MMC Using Dry EDM Process for Aerospace Industries
Abstract: Aluminium-based composite is widely used in aerospace and automobile industries because it is lighter in weight; but the trouble is that it is easily worn-out and life of the components is decreased. To overcome these problems, aluminium silicon carbide composite material has been developed with good wear-resistance, hardness and lighter weight. Silicon carbide has good mechanical properties like wear resistance, hardness, toughness and high melting point. Silicon carbide weight fractions …
Published in Journal of Experimental & Applied Mechanics · Vol. 9, Issue 1, 2018 · pp. 15–32 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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Mathematical Modelling of Electromagnetic Induction Coil gun for Non-Lethal Self Defence Applications
Abstract: To take someone's life is often termed as the biggest slanders spiritually one can commit be it while protecting one's self from endangering acts. Non-lethal weapons provide us with an opportunity to come over this dilemma thereby providing a numbing effect to save from devastating consequences. The objective of this paper is to present a non-lethal portable induction coilgun that can potentially address security concerns. To serve the respect and …
Published in Journal of Experimental & Applied Mechanics · Vol. 9, Issue 2, 2018 · pp. 66–73 Read article
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Design and Analysis of The Supporting Frame Structure of Cold Aggregate Feeder Unit of Asphalt Mixing Plant
Abstract: Mixture of aggregates and asphalt is prepared at Asphalt Mixing Plant (AMP). For a uniform output from plant, feeding the exact amounts of aggregate from feeder unit is very important. So, aggregate feed is one of the critical control point. Problem discussed here is about the lateral deflection of column of supporting frame structure of feeder unit. This research work deals with the evaluation and modification of supporting frame structure …
Published in Journal of Experimental & Applied Mechanics · Vol. 9, Issue 2, 2018 · pp. 42–57 Read article