Search
643 articles for “replacement”
-
Comparison between Total Hip Replacement and Bipolar Hip Replacement
Abstract: Purpose: A prospective, randomized study was performed to compare the clinical and functional outcomes at 5–15 years of follow-up in two groups of patients treated with either bipolar hip replacement or total hip replacement (THR). Materials and Methods: A total of 509 patients with either femoral neck fractures, degenerative arthritis, systemic arthritic diseases, avascular necrosis of the femoral head or pathologic fractures underwent surgery between May 2000 and June 2012. …
Published in Research and Reviews : Journal of Surgery · Vol. 8, Issue 2, 2019 · pp. 12–17 Read article
-
To Study the Effect of Partial Replacement of Cement with Marble Powder and Partial Replacement of Sand with Surkhi
Abstract: The construction industry worldwide has made remarkable progress in building innovative structures using different materials. Today’s increasing population demands more sustainable ways of living. Waste matter produced in the day-to-day life as well as industrial waste has become a cause of concern. Many waste materials have been used in construction industry like flyash, saw dust, natural fibers residue etc. Keeping in mind the above concern a low cost, environment friendly …
Published in Journal of Construction Engineering, Technology & Management · Vol. 14, Issue 2, 2024 · pp. 46–54 Read article
-
Evaluation of Compressive Strength of Concrete Using Fly Ash, Silica Fume, and Steel Slag as Cementitious and Aggregate Replacements
Abstract: This study comprehensively investigates the influence of supplementary cementitious materials and industrial by-products—specifically fly ash, silica fume, and steel slag—on the compressive strength of concrete. The primary objective is to evaluate the impact of both individual and combined replacements of cement and aggregate components on concrete performance. The research analyzes how varying proportions of these materials affect the strength characteristics of the concrete mixtures. Experimental results demonstrate that increasing the …
Published in Journal of Construction Engineering, Technology & Management · Vol. 15, Issue 3, 2025 · pp. 1–6 Read article
-
Enhancing Concrete Performance With GGBFS: An Analysis of Strength Characteristics at Various Replacement Levels
Abstract: This study investigates the effect of ground-granulated blast furnace slag (GGBFS) as a partial replacement for cement on the mechanical properties of concrete. The primary objective was to assess the compressive, flexural, and split tensile strengths, along with the modulus of elasticity, at different replacement levels of cement with GGBFS and at distinct curing ages of 7, 28, and 56 days. Concrete mixes were prepared by replacing cement with GGBFS …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 121–138 Read article
-
Experimental Test for the Replacement of Aluminum Sheets Instead of Steel Sheets in the Automotive Industry and the Effect of this Replacement
Abstract: Nowadays, vehicles cause air pollution due to high fuel consumption, and it has a direct relationship with increasing vehicle weigh. The increase of pollution will lead to rise in greenhouse gases that will cause special damages during a long period time. In this paper, instead of using steel sheets, aluminum sheets are proposed for the vehicle body and its interior components. It is attractive to increase its speed by reduction …
Published in Journal of Automobile Engineering and Applications · Vol. 7, Issue 3, 2020 · pp. 34–39 Read article
-
Evaluating the Structural Performance of Concrete with Partial Replacement of Fine Aggregate by Plastic Waste
Abstract: This work evaluates the performance of concrete incorporating plastic waste as a partial replacement for fine aggregate, at replacement levels of 0%, 5%, 10%, 15%, and 20%. Various tests were conducted on fresh and hardened concrete to assess workability, strength, and durability. The slump cone and compaction factor tests were used to measure workability, yielding a slump range between 25–30 mm and a compaction factor of 0.98, indicating medium workability. …
Published in Journal of Structural Engineering and Management · Vol. 11, Issue 3, 2024 · pp. 69–75 Read article
-
Investigating the Effect of Rubber as Partial Coarse Aggregate Replacement on Concrete Performance
Abstract: The growing challenge of managing scrap tire waste presents an opportunity for recycling these durable materials into concrete production. This research investigates the mechanical properties of concrete with waste tire rubber chips incorporated as a partial replacement for coarse aggregates at 0%, 5%, 10%, and 15% by volume. The study evaluates workability, compressive strength, and tensile strength, alongside durability assessments in a 5% sulphuric acid solution. Initial findings indicate that …
Published in Journal of Industrial Safety Engineering · Vol. 11, Issue 3, 2024 · pp. 11–17 Read article
-
Influence of Cementitious and Aggregate Replacements on the Compressive Strength of Pervious Concrete
Abstract: Pervious concrete is a sustainable construction material designed to enhance stormwater management while maintaining adequate mechanical strength. This study investigates the compressive strength of pervious concrete cubes with various cementitious and coarse aggregate replacements. The research examines the effects of fly ash, silica fume, steel slag, and rubber chips on compressive strength at 7 and 28 days of curing. The results indicate that moderate fly ash replacement enhances compressive strength, …
Published in Journal of Construction Engineering, Technology & Management · Vol. 15, Issue 2, 2025 · pp. 9–14 Read article
-
Evaluating the Optimal Alccofine-1203 Replacement Ratio in M20 Grade Concrete
Abstract: The primary objective of this research is to investigate the potential of partially replacing cement with Alccofine 1203 in M20 grade control concrete and to evaluate the resulting effects on the mechanical properties of the concrete. Alccofine 1203, a high-performance mineral admixture known for its ultrafine particle size and high reactivity, was used as a partial cement substitute at varying replacement levels of 5%, 10%, and 15% by weight of …
Published in Journal of Polymer & Composites · Vol. 13, Issue 4, 2025 · pp. 294–299 Read article
-
Application of B-trees for Design of Optimal Page Replacement Technique in Modern Operating Systems
Abstract: Algorithms related to replacing the memory pages in operating systems are critical components of modern operating systems that manage virtual memory efficiently. Current algorithms such as LRU (Least Recently Used), Clock algorithms as well as FIFO (First-In-First-Out), often struggle with the increasing demands of contemporary applications and larger memory hierarchies. This research work proposes a novel approach utilizing B-tree data structures to design an optimal page replacement technique. The proposed …
Published in International Journal of Data Structure Studies · Vol. 3, Issue 2, 2025 · pp. 23–30 Read article
-
Product Replacement Strategies for Perishable Inventory Systems using Queuing Theory
Abstract: Inventory management plays a crucial role in managing production processes as well as the supply chains. The study of inventory systems with perishable products has a special significance as it influences the cost and revenue of a firm. Product replacement strategies act like safeguards to the retailers (firms) dealing with the business of perishable products. An inventory system with perishable products and product replacement is studied. A finite capacity multi-channel …
Published in Journal of Production Research & Management · Vol. 2, Issue 1-2-3, 2012 · pp. 18–25 Read article
-
Experimental Investigation on Mechanical Properties of Concrete Replacing of Steel Slag as Coarse Aggregate
Abstract: The basic objective of this study was to identify alternative source of good quality aggregate which is depleting very fast due to the fast pace of construction activities. This paper describes the optimum level of replacement of Energy Optimized Furnace (EOF) steel slag by weight of coarse aggregate for a mix proportion of M20 grade concrete to find out the optimum ratio of steel slag. Civil Engineers have been challenged …
Published in Journal of Structural Engineering and Management · Vol. 4, Issue 2, 2017 · pp. 44–49 Read article
-
Sustainable Oral Care: Analyzing the Environmental Impact of Replaceable Toothbrush Bristles
Abstract: The global rise in plastic waste has highlighted the urgent need for sustainable practices in everyday consumer products, including oral care. This study investigates the environmental impact of replaceable toothbrush bristles as an alternative to fully disposable toothbrushes. By adopting a life cycle assessment (LCA) approach, we compare the material usage, production energy, and waste generation of traditional toothbrushes with modular designs featuring reusable handles and replaceable bristle heads. The …
Published in International Journal of Environmental Noise and Pollution Control · Vol. 2, Issue 2, 2024 · pp. 45–56 Read article
-
Effect of Ground Granulated Blast Furnace Slag as Partial Cement Replacement on Compressive Strength of Concrete
Abstract: AbstractThe main objective of this research work is to determine the optimum replacement percentageof GGBS which can be suitably used. To fulfill the objective, various properties of concreteusing GGBS have been evaluated. Mix design has been arrived for M25 concrete. Fineness,specific gravity (cement and GGBS), normal consistency, initial and final setting time andcompressive strength of cement have been found out. Particle size distribution, bulking of fineaggregate, specific gravity, water absorption …
Published in Journal of Construction Engineering, Technology & Management · Vol. 7, Issue 3, 2017 · pp. 1–10 Read article
-
The Study on Properties of Concrete with Cement Partially Replaced by Corn Cob Ash
Abstract: In recent times, instead of cement many alternative materials are being used as the binding material in the construction sector. One such binding material that can be used as a partial replacement for cement is corn cob ash. Corn cob is agricultural waste product obtained from maize or corn. Corn cob is the hard thick cylindrical central core of maize. The tests were carried out on the raw materials to …
Published in Journal of Construction Engineering, Technology & Management · Vol. 6, Issue 1, 2016 · pp. 78–83 Read article
-
Appealing Recent Trends of Glass/Carbon Fiber Replacing Conventional Materials
Abstract: Use of glass reinforced fiber plastic and carbon reinforced fiber plastic is well known in many industries and have significant impact for the industrial revolution. Researchers and manufactures across these industries are always searching for opportunities to use GFRP and CFRP for new components. Other industries are finding the prospects to use these material for possible future. Many properties of these materials are favored and attracting most of the industrial …
Published in Journal of Polymer & Composites · Vol. 7, Issue 1, 2019 · pp. 1–6 Read article
-
Feasibility Studies on Cement Mortar Replaced with Ceramic Tile Waste as Secondary Binder
Abstract: This paper presents the results of experimental works focused on replacement of ceramic waste materials with cement in the production of cement mortar. The aim of this research work is to find the optimum percentage replacement of cement by ceramic tile waste in percentage replacement (5 to 25, 50 and 100%) mortar mixes. The ceramic waste tiles are mechanically crushed down ultrafine ceramic waste (UCW) powder passing 600 μ and …
Published in Recent Trends in Civil Engineering & Technology · Vol. 6, Issue 1, 2016 · pp. 68–75 Read article
-
Optimization of Cement Replacement by Fly Ash in Compressive Strength of Portland Cement Concrete
Abstract: The production of cement has been known for its additive role in environmental pollution. As a measure of abatement of pollution effort, scientist have evoked the concept of diluting cement with various pozzolanic additive like fly ash, blast furnace slag etc. Many of these additives were found to be acceptable for cement replacement, but their exact role and efficacy remains elusive. In the present study, fly ash was added as …
Published in Recent Trends in Civil Engineering & Technology · Vol. 7, Issue 1, 2017 · pp. 24–35 Read article
-
Experimental Research on the Strength Properties of Concrete with Recycled Aggregate, Pond Ash, and Rubber Powder Replaced in Part for Concrete Materials in Standard Grades
Abstract: Concrete, a fundamental material in modern construction, poses environmental concerns due to its significant carbon footprint. To mitigate this impact, researchers explore alternative materials like fly ash, GGBS, alcofine, and rubber powder as cement replacements. This study examines the durability and strength of concrete that contains recycled aggregate, pond ash, and waste rubber powder. Waste rubber, abundant from industrial and automotive sources, poses disposal challenges. Pond ash, a byproduct of …
Published in Journal of Polymer & Composites · Vol. 12, Issue 6, 2024 · pp. 11–21 Read article
-
Advances in Total Knee Replacement: A Systematic Review of Clinical Outcomes and Complications
Abstract: Total Knee Replacement (TKR) is a widely used surgical intervention for patients with knee osteoarthritis and other degenerative knee disorders, offering significant improvements in pain relief, functional restoration, and quality of life. This systematic review synthesizes data from multiple clinical studies to evaluate the outcomes and complications associated with TKR. To find applicable research published in the last ten years, a thorough search of electronic databases was performed. Randomised controlled …
Published in Research and Reviews : A Journal of Medical Science and Technology · Vol. 14, Issue 1, 2024 · pp. 41–56 Read article