Search
95 articles for “pre-tensioning”
-
Analysis and Characterization of Tensile Property of Mg MMC using ANSYS
Abstract: The objective of the this research paper is to predict the stress and strain values of magnesium metal matrix composites using finite element analysis (FEA) and compare with the universal testing machine (UTM) results through the tensile load. The composites were prepared by semi solid stir casting process. Tensile specimens with ASTM B557 standard dimensions were prepared from the composites. These specimens were subjected to uni-axial tension under the 10 …
Published in Trends in Mechanical Engineering & Technology · Vol. 7, Issue 1, 2017 · pp. 1–5 Read article
-
Analysis of Communication Tower under Wind Load
Abstract: With the rapid and widespread expansion of long distance broadcasting and communication in last two decades, the structural engineers have been faced with the problem of support of antennas at great heights, which is necessary to broadcast signals over long distance. In addition, the field of power transmission also requires the high tension conductors to be installed at reasonable heights. The present study focus on analysis of communication towers for …
Published in Journal of Structural Engineering and Management · Vol. 3, Issue 2, 2016 · pp. 12–19 Read article
-
Compressive Strength of SCC Increased by Use of HD-Glass Fiber and Glass Fiber
Abstract: Self-Compacting Concrete (SCC) is a concrete that has been specifically designed for use in situations where access from below is impossible. It is able to flow when the weight of its own body is applied. When encountering extensive reinforcement and intricate structural designs, it may be utilised. Segregation and bleeding issues are ignored, and compaction does not require vibration. Concrete has a strong compression strength and a weak tension strength. …
Published in Journal of Structural Engineering and Management · Vol. 9, Issue 3, 2022 · pp. 34–41 Read article
-
Study of Molecular Interaction in Organic Ternary Liquid Mixtures Containing Toluene
Abstract: Abstract : Interactions of N, N-dimethylformamide with Cyclohexane and Toluene play an important role in their conformational characteristics. The study of these interactions provides an important insight into the ternary mixture. Through this research work, I make an attempt to study the molecular interactions among the constituent molecules at temperatures 288, 298, 308 and 318 K. From these experimental values, various parameters like adiabatic compressibility, free length, acoustic impedance, surface …
Published in Research & Reviews : Journal of Physics · Vol. 9, Issue 1, 2020 · pp. 13–16 Read article
-
Selection and Mechanism of using active gas in GTAW Process – A review
Abstract: Gas tungsten arc welding process is known for its good quality welds. However, the lack of penetration of the process leads to low productivity. Many techniques have been implemented in the past to improve the joint penetration and thereby the productivity of GTAW process. In one of the technique, active gas like Carbon dioxide, Nitrogen or Oxygen is used in some proportion along with the inert gas. This addition of …
Published in Journal of Materials & Metallurgical Engineering · Vol. 8, Issue 1, 2018 · pp. 49–61 Read article
-
Characteristics and Comparison of Continuous Casting Machine (CCM) and Reheat Furnace (RHF) Rolled Reinforcement Bar
Abstract: Modern rolling process introduces manufacturing of reinforcement bar in combination of continuouscasting and straight rolling to avoid time and cost losses and produce fine quality reinforcement bar.Using the core heat or heat inside the raw material (generally known as billet), the rolling process iscarried out. This modernized rolling process overcomes reheating losses and cost of transportationand of course cost of reheating which were faced in previous manufacturing processes. During therolling, …
Published in Trends in Mechanical Engineering & Technology · Vol. 11, Issue 1, 2021 · pp. 17–27 Read article
-
Analysis of Die Corner Gap Formation for Strain Hardening Materials in ECAP Through an Upper Bound Sensitivity Approach: A Comparative Study
Abstract: In recent work, using a proposed central composite factorial analysis, the upper-bound theorem's theoretical concept for the equal channel angular pressing process are used. The upper-bound theorem-based theoretical solutions consider Tresca friction conditions and varied fillet radii at the die channel junction. When using AA5083's uniaxial mechanical properties, isotropic nonlinear work hardening is assumed. The ratio of the cumulative effective plastic strain to the time generated by the deformation zones, …
Published in Trends in Machine design · Vol. 12, Issue 3, 2025 · pp. 1–22 Read article
-
Analysis of Effect of Human Hair in Compressive and Split Tensile Strength of Concrete
Abstract: AbstractThis research paper presents the analysis of the effect of human hair in compressive and split tensile strength of concrete. In the recent time due to a significant increase in population increases large amount of human hairs. Human hairs are strong in tension and it also reduces greater impact, abrasions and shatter resistances in concrete and prevents many problems in this environment. Fiber reinforcement improves the impact strength and fatigue …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 9, Issue 2, 2018 · pp. 50–61 Read article
-
Prediction of Transformer Oil Parameters Using UV/VIS Spectroscopy Graphs
Abstract: AbstractUltraviolet–visible rays (UV/VIS) spectroscopy is a method based on a spectrum, which forms a graph between radiations absorbed by the material and the wavelength of the radiations. UV/VIS spectroscopy is able to tell the impurities or decay contents present in any sample material. In this paper, we have used data collected from various tests performed on the transformer oil samples and compared these results with the UV/VIS spectroscopy results. This …
Published in Trends in Electrical Engineering · Vol. 5, Issue 2, 2015 · pp. 35–41 Read article
-
A Comparison of Rapid Card Test with Enzyme-Linked Immunosorbent Assay for the Detection of Hepatitis B Surface Antigen [HBsAg] in Tertiary Care Hospital
Abstract: Introduction: Hepatitis B virus (HBV) infection is one of the leading causes of death worldwide. The most important marker for HBV infection is HBsAg. In case of diagnosis of infectious disease, discordant results may have serious consequences among the patients as it causes unnecessary mental stress and tension. For proper diagnosis of infection as well as disease management and prevention, identification of appropriate test kit is necessary. Aims and Objective: …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 7, Issue 3, 2017 · pp. 27–31 Read article
-
Nonlinear Three Dimensional Dynamic Analysis of Titanium Drilling Riser
Abstract: Titanium alloys are selected for a high-pressure drilling riser’s application due to its high specific strength, corrosion resistance, and favorable elastic properties. The qualification of this titanium alloy requires assessing its resistance to hydrogen embrittlement and stress corrosion cracking due to seawater with/without cathodic protection, evaluating its dynamic response under long crested random sea. The response analysis is based on a simulation technique which duly considers the various nonlinear effects …
Published in Journal of Offshore Structure and Technology · Vol. 2, Issue 2, 2015 · pp. 27–40 Read article
-
To compare the effectiveness of the dry needling Versus instrumented assisted soft tisse mobilization Technique on scapular dyskinesia in college students with trapezitis – a comparative study
Abstract: Background: Scapular dyskinesis, a term denoting dysfunctional movement of the scapula, often involves the upper trapezius (UT) muscle, which is frequently affected by myofascial trigger points (MTrPs). Common symptoms associated with MTrPs in the UT muscle include tense and painful muscles, tension headaches, neck pain, dizziness or vertigo, and restricted range of motion in the neck and shoulder. Dry needling, a technique used to address MTrPs, targets localized hypersensitive spots …
Published in Research and Reviews: A Journal of Medicine · Vol. 13, Issue 3, 2023 · pp. 24–38 Read article
-
Prevention of Primary Hypertension Through Asbab-e-Sitta Zaruriya: A Therapeutic Paradigm
Abstract: Hypertension, defined as blood pressure elevation to a level that increases the risk of organ damage, Recent guidelines classify hypertension as systolic blood pressure ≥130 mmHg or diastolic blood pressure ≥80 mmHg, distinguishing between primary (essential) and secondary forms. It affects over one billion individuals globally and contributes to approximately 9.4 million deaths annually. Nearly 63% of total deaths in India are due to non-communicable diseases, of which 27% are …
Published in Research & Reviews : A Journal of Unani, Siddha and Homeopathy · Vol. 11, Issue 3, 2024 · pp. 13–20 Read article
-
Springback of High Strength Steel Sheet and Preventive Measures
Abstract: The purpose of this paper is to improve the accuracy output of cold stamping product by accommodating springback. This is an experimental study to improve the accuracy of springback analysis and die compensation process during CAE of part. The springback shape and the target part are used to optimize the die surfaces compensating springback. This paper describes the springback behavior of HSS steel based on phenomenon and preventive measures based …
Published in Trends in Mechanical Engineering & Technology · Vol. 11, Issue 3, 2021 · pp. 24–31 Read article
-
3D Finite Element Analysis of Marine Risers under Random Loads
Abstract: The dynamic response of marine risers under long crested random sea is obtained in time domain using finite element solver ABAQUS/AQUA. The response analysis is based on a simulation technique which duly considers various nonlinear effects such as relative velocity squared drag force, variable added mass due to variable submergence and nonlinearity due to large excursions. It also accounts for variable tension in the riser due to variable submergence, variable …
Published in Journal of Offshore Structure and Technology · Vol. 1, Issue 1, 2014 · pp. 46–52 Read article
-
Strength Assessment of RCC Beams Subjected to Corrosion
Abstract: The damage assessment of civil structural members is one of the most important and recently emerging fields in engineering. Deterioration of a structure may occur due to a host of factors such as poor workmanship, improper maintenance, atmospheric effects, accidents, natural calamities. Certain causes like environmental effects, natural calamities cannot be controlled. Therefore, durability of concrete structures especially those exposed to aggressive environments is of great concern. Many deterioration causes …
Published in Recent Trends in Civil Engineering & Technology · Vol. 2, Issue 1-3, 2012 · pp. 139–152 Read article
-
The Control by the Behavior of Gas Bubble, Fastened to the Solid Surface, Using Nonpolar Reagent and Blowing Agent Actions under Changing of the Acceleration of Gravity
Abstract: The study of separation or retention of a gas bubble, fastened to solid surface in the liquid with varying acceleration of gravity currently is relevant in connection with the solution of the problem of degassing fuel in an airplane during overloads. Solving of the problem comes to investigation of the possibility of control by the behavior of the gas bubble, fastened to the solid surface using nonpolar reagent and blowing …
Published in Journal of Aerospace Engineering & Technology · Vol. 9, Issue 3, 2019 · pp. 40–51 Read article
-
Review on Metal Bellows Used in Expansion Joints
Abstract: Metallic bellows are manufacturing expansion joints commonly used in aerospace, chemical plants, power system, heat exchangers, automotive vehicle parts, piping system, petrochemical plant, refineries, etc., which are subjected to high temperature, pressure and corrosive environment. Bellows are special structures that require high strength as well as good flexibility. Most industrial piping system often suffer excessive deformation, displacement, heat expansion, vibration, and other causes which are responsible for the failure. During …
Published in Journal of Advancements in Robotics · Vol. 3, Issue 1, 2016 · pp. 1–12 Read article
-
Nonlinear Finite Element Analysis of Reinforced Concrete Exterior Beam Column Joint Subjected to Monotonic Loading
Abstract: A numerical analysis of exterior beam-column joint subjected to constant axial load on the column top and monotonic load applied at the beam tip is presented in this work. A strain-based nonlinear finite element program is developed in MATLAB R2009a. The nonlinear analysis of reinforced concrete structural member is carried out considering it as a two-phase system. The concrete in nonlinear range is considered as orthotropic material having different stress-strain …
Published in Recent Trends in Civil Engineering & Technology · Vol. 4, Issue 2, 2014 · pp. 12–21 Read article
-
A New Numerical Method for the Analysis of Stress Concentration in Tension Specimen
Abstract: Analyzing the stress concentration in the critical region of a mixed boundary value elastic problem has always been an important area of interest in applied mechanics. In most of the cases, the problems were circumvented using a numerical solution. A numerical approach has been used to solve elastic problems of arbitrary shaped bodies subjected to mixed boundary conditions. The formulation of displacement potential function is used in finite difference method …
Published in Journal of Experimental & Applied Mechanics · Vol. 3, Issue 1, 2012 · pp. 1–16 Read article