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130 articles for “strength reduction”
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A Shear Strength Reduction Method for an Open Pit Slope Stability Analysis Based on Finite Element Method
Abstract: Slope stability assessment of open pit mines is critically important, since it forms part of the overall productivity and safety management strategy of the mines. The aim of this work is to investigate the overall stability conditions of three (3) open pits in Gold Fields Limited, Tarkwa Ghana. Field and laboratory investigations were conducted as well as empirical methods. Finite Element Analysis (FEA) in Rocscience was carried out using the …
Published in Journal of Geotechnical Engineering · Vol. 13, Issue 1, 2026 · pp. 1–24 Read article
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Experimental Investigation on the Impact of Graphene on Fly Ash–Based Portland Pozzolana Cement Concrete
Abstract: This study presents a detailed investigation into the influence of incorporating phase change materials (PCMs) on the mechanical properties of cement mortar, with particular emphasis on compressive and flexural strength at various curing ages. Both organic and inorganic PCMs were utilized as partial replacements for cement at proportions of 5%, 10%, and 15% to evaluate their performance. The experimental results reveal a clear distinction in behavior between the two categories …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 1865–1871 Read article
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Optimizing Mechanical Properties of Polypropylene Fibre-Reinforced Coconut Shell Concrete
Abstract: This study investigates the impact of polypropylene (PP) fibre reinforcement on the mechanical properties of coconut shell (CS) concrete. The compressive strength of CS concrete is primarily governed by the strength of CS aggregates, with early-age failure attributed to poor bonding and later-stage failure influenced by aggregate strength. The incorporation of PP fibres significantly enhanced compressive, tensile, and flexural strength. At 28 days, compressive strength increased by 1.2–3.45% in CSF …
Published in Recent Trends in Civil Engineering & Technology · Vol. 15, Issue 2, 2025 · pp. 6–12 Read article
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Effect of Heat Exposure on Structural Integrity of Geopolymer Concrete Composites
Abstract: The research evaluates the thermal degradation effects of high temperatures on Geo Polymer Concrete Composite (GPCC) by examining alccofine concrete, concrete made with alccofine and porcelain waste aggregates. Knowing how GPCC behaves under high temperatures proves essential for protecting buildings during fires as well as industrial applications. Each mix design received composite concrete samples that underwent increased heating conditions from 100°C to 700°C at 200°C intervals. Post-heating, various parameters were …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 · pp. 318–328 Read article
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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
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An Overview of The Impact of Reinforcement on Mechanical and Thermal Characteristics of Aluminum Alloy Composites
Abstract: Aluminum is utilized extensively in the domains of aerospace, electronic technology, electric module packing, automotive body structure, solar and wind energy management, and so on because of its better potential for weight reduction. Strength of aluminum is very less so application is limited where high strength is needed. Aluminum alloy which have greater potential for weight reduction as well as high strength to weight ratio have ability to overcome these …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 240–249 Read article
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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
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Experimental Analysis of Glass Fiber Composite on Low Velocity Impacts
Abstract: This research specifically deals with determining the retained tensile strength after loading Glass Fiber Reinforced Polymer (GFRP) composites following low-velocity impact. The purpose is to determine the degree to which these impacts affect the structural performance and mechanical integrity of GFRP materials. Experimental tests were conducted on glass fiber composite specimens in order to observe variation in tensile strength upon impact. The results indicated significant tensile strength reduction in impact …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 789–796 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 500 hrs, 750 …
Published in Journal of Experimental & Applied Mechanics Read article
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Determining the Characteristics of Concrete Composed of Different types of Aggregates
Abstract: This study investigates the influence of recycled aggregates on the compressive strength of concrete designed for medium workability. Various replacement proportions of recycled aggregates (0%, 50%, 60%, and 100%) were examined using conventional mix design methods, specifically focusing on 10 mm recycled aggregates' impact. The specimens comprised 100% recycled aggregate, with a combination of 60% 20 mm and 40% 10 mm sizes. Compressive strength analyses were conducted at 7 and …
Published in Journal of Structural Engineering and Management · Vol. 11, Issue 1, 2024 · pp. 1–5 Read article
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Sustainability and Mechanical Performance Evaluation of Cementitious Composites Reinforced with Waste Rubber Aggregates and Ground Granulated Blast Furnace Slag
Abstract: The development of environmentally responsible composite materials has gained global momentum with the shift toward circular and sustainable construction practices. In this work, the performance of cementitious composites that partially substitute natural fine and coarse aggregates with recycled rubber aggregates from end-of-life tires and Ground Granulated Blast Furnace Slag (GGBS) as an additional cementitious material is examined. A total of thirty composite mixes were formulated by varying GGBS (10–30%) and …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 1164–1180 Read article
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Evaluation on the Mechanical Strength of TIG Welded 6061Aluminium Alloy Joints
Abstract: Aluminum alloy Al-6061 is extensively used in aerospace, automotive, and marine industries due to its excellent mechanical properties, lightweight nature, and corrosion resistance. However, welding this alloy presents challenges such as porosity, hot cracking, and strength reduction in the heat-affected zone (HAZ). Tungsten Inert Gas (TIG) welding, known for its precision and quality, is commonly employed for joining Al-6061. This study investigates the tensile strength of TIG-welded butt joints of …
Published in Trends in Machine design · Vol. 13, Issue 1, 2026 · pp. 34–39 Read article
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Water Absorption and Mechanical Behaviour of Bagasse Fibre and Particle-Reinforced Hybrid Composite Materials
Abstract: This study investigates the mechanical behaviour and water absorption characteristics of bagasse fibre and groundnut shell particle (GSP)-reinforced hybrid composites using a phenol-formaldehyde (PF) resin matrix. Varying weight fractions of GSP (5%, 10%, 15%, and 20%) were incorporated into the composites, with bagasse fibre content kept constant at 30% by weight. Tensile, flexural, and impact strengths were measured, and the water absorption behaviour was evaluated following ASTM standards.The results indicated …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 115–124 Read article
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Improving the Performance of Self-compacting Concrete Using Optimized Admixture Combinations
Abstract: This study explores the influence of various admixture combinations on the performance of Self-Compacting Concrete (SCC), with an emphasis on its flow behavior, compressive strength, tensile strength, flexural strength, and resistance to impact. Various admixtures, including Air-Entraining Agent (AEA), Water-Reducing Plasticizer (WPC), Retarder (RET), and Accelerator (ACC), were incorporated into the SCC reference mix (SP + VMA) to evaluate their impact on SCC performance. A series of tests—such as slump …
Published in Journal of Construction Engineering, Technology & Management · Vol. 14, Issue 3, 2024 · pp. 81–89 Read article
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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
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Optimizing Mechanical and Durability Properties of Eco-Friendly Composite Materials Using Recycled Fillers and ML Techniques
Abstract: The increasing demand for sustainable construction materials has intensified the exploration of recycled fillers as partial or full replacements for natural aggregates in composite materials. This study investigates the mechanical and durability performance of polymer matrix composites incorporating processed recycled fillers derived from construction and demolition (C&D) waste. Three distinct processing methods were employed to prepare the recycled fillers: untreated (URF), single processed (SPRF), and double processed (DPRF), with replacement …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 · pp. 269–309 Read article
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From Waste to Strength: Hybrid Binder Approach for Sustainable M25 Concrete
Abstract: The growing demand for concrete in infrastructure development has led to increased cement consumption, raising serious environmental concerns due to high energy use and carbon dioxide emissions correlated with cement manufacturing. In this context, the use of industrial residues as partial substitutions for cement has achieved deep focus as a sustainable construction strategy. The current investigations experimentally explore the strength and quality performance of concrete produced using a hybrid binder …
Published in Journal of Construction Engineering, Technology & Management · Vol. 16, Issue 1, 2026 · pp. 24–32 Read article
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Sustainable High-Strength Geopolymer Composite Reinforced with Nano-Silica and Basalt Fibers: Mechanical and Microstructural Evaluation
Abstract: Sustainable soil composites (SSC) were formulated by incorporating red earth with varying proportions of bagasse ash (BA) and hydrated lime to enhance geotechnical performance and promote the reuse of agro-industrial waste. Red earth served as the primary structural matrix, BA functioned as a pozzolanic filler, and lime acted as a chemical stabilizer. BA content ranged from 0% to 60%, identifying 10% as the optimum level for significant improvement, and lime …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 1113–1122 Read article
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New Design Formulae for Safety and Precision in the Fatigue Engineering of Mechanical Components and Structures
Abstract: This paper introduces two new formulae, termed the Nori Fatigue Formulae, for determining the maximum allowable fatigue stress in mechanical components and structures with significant stress concentrations. These formulae will eliminate the usage of code-sensitive safety factors along with other factored values from the entire mechanical design engineering work, ranging from a safety pin to spacecraft. The first formula gives the maximum allowable fatigue stress in tension, and the second …
Published in Trends in Mechanical Engineering & Technology · Vol. 16, Issue 1, 2026 · pp. 6–24 Read article
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Experimental Investigation on Nitrogen Oxides Air Pollutant Reduction Characteristics of Cement Mortar Using Sustainable Photocatalytic Material
Abstract: Emissions of nitrogen oxide (NOx) should be diminished to address the facts of urban air pollution and its health and environmental consequences. This study explores the potential of NOx reduction of photovoltaic pollutants in cement mortar using titanium dioxide (TiO2) as a photovoltaic material. NOx is one of the major pollutants of urban air, related to the problems of smog and acid rain, with serious health hazards. The study focuses …
Published in Journal of Structural Engineering and Management · Vol. 12, Issue 3, 2025 · pp. 26–40 Read article