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65 articles for “workability”
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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
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Strength Enhancement of Concrete with Nano-Based Admixtures
Abstract: The integration of advanced nanomaterials such as nano-silica and nano-clay has emerged as a highly promising and innovative technique to significantly enhance the mechanical characteristics and long-term durability of conventional concrete. In this comprehensive study, the effects of nano-modification on various concrete properties, including workability, compressive strength, split tensile strength, and flexural behavior, were thoroughly evaluated through a systematic experimental program. A series of concrete mix designs incorporating varying proportions …
Published in Journal of Structural Engineering and Management · Vol. 12, Issue 3, 2025 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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Performance Evaluation of Geopolymer Coconut Shell Concrete: A Comparative Study with Conventional Concrete
Abstract: The increasing demand for sustainable construction materials has driven the exploration of alternative aggregates such as coconut shells in geopolymer concrete. This study investigates the characteristics and performance of Geopolymer Coconut Shell Concrete (GPCSC) and compares it with traditional Geopolymer Conventional Concrete (GPCC). Both mixes were evaluated for workability, density, and compressive strength at 3, 7, and 28 days. The slump values for GPCSC and GPCC were 10 mm and …
Published in Journal of Structural Engineering and Management · Vol. 11, Issue 3, 2024 · pp. 63–68 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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Investigation on the mechanical characteristics and productivity of GGBS based geopolymer mortars
Abstract: It has been known for decades that geopolymer will significantly replace cement's function in construction industry. Geopolymer has low creep and shrinkage and a peak compressive strength. That is as per a recent study, geopolymer mortar is made by Fly ash and GGBS. The composition includes (100-60%) GGBS with a 10% substitution of fly ash. Alkali activators used in the research are sodium hydroxide (NaOH) and sodium silicate (Na2SiO3). In …
Published in Journal of Polymer & Composites · Vol. 12, Issue 2, 2024 · pp. 253–264 Read article
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A Comprehensive Review on Lead-Zinc Tailings as An Alternate Material in Concrete
Abstract: Lead-Zinc Tailings are high volume wastages that are dumped in the open area of mine after extraction of minerals from ore. Tailings have high content of heavy metals that creates lot of environmental problems like air, water, land and also marine drainage along with it creates risk to human life, so tailings required better and safe management to overcome these problems. Now, this review begins with the utilization of Lead …
Published in Journal of Polymer & Composites · Vol. 12, Issue 5, 2024 · pp. 227–230 Read article
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An Experimental Investigation of Impact of Polyproplene as a Partial Replacement in Concrete
Abstract: India, as a developing nation, will require high-strength and high-performance concrete for future infrastructure projects. Fibrous concrete, which incorporates fibers to enhance structural integrity, is one such material that could meet these demands. With different concrete fibrous materials, shapes, distributions, orientations, and densities, fibrous concrete takes on different characteristics. Polypropylene is a lightweight synthetic fiber that enhances the structural strength of concrete and helps prevent the formation of cracks. In …
Published in Journal of Construction Engineering, Technology & Management · Vol. 14, Issue 3, 2024 · pp. 1–6 Read article
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Experimental Study on the Strength Enhancement of Carbon Fiber Reinforced GGBS Concrete
Abstract: This study provides an in-depth analysis of the experimental investigation conducted on carbon fiber reinforced GGBS concrete (CFRGC). The primary objective of the research was to evaluate the effects of carbon fibers on various mechanical properties of concrete, with a particular focus on strength parameters. In this study, the carbon fiber content was systematically varied from 0.5% to 1.5% by weight of cement, in increments of 0.5%, to determine the …
Published in Journal of Structural Engineering and Management · Vol. 11, Issue 3, 2024 · pp. 36–50 Read article
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Properties of Binary Waste Based Geopolymer Concrete Composite: A Review
Abstract: Concrete composite as construction material is utilized all over the world and it is not considered as eco-friendly because cement is provided as a binder in it. Therefore, replacing binder in concrete composite by alumina and silica rich by-products in presence of chemical activators give rise to geopolymer concrete composite which is eco-friendly in nature. Geopolymer concretes composite can be used to build a variety of structural configurations, have a …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 44–52 Read article
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A Strategy for Safer and More Resilient Industrial Construction
Abstract: This study investigates the effects of incorporating steel and polypropylene fibers into high-performance concrete (HPC) to enhance its mechanical behavior and ensure greater safety in industrial structures. The research focuses on HPC mixtures of M30, M35, and M40 grades reinforced with a combination of steel fibers (SF) and polypropylene fibers (PPF). Steel fibers contribute to improved compressive and tensile strengths, while polypropylene fibers help control crack formation and dissipate energy …
Published in Journal of Industrial Safety Engineering · Vol. 12, Issue 3, 2025 · pp. 1–6 Read article
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Properties of Concrete with Reinforcement Eggshell Powder As Cement
Abstract: Many people choose concrete because of its reputation for durability and dependability. Concrete is not only strong and consistent, but also energy efficient, design flexible, cheap, and generally ecofriendly. In addition to protecting natural ecosystems, stable civilizations often make plans for further industrialization and urbanization. As long as it is utilized in a compositionally flexible and ecologically friendly way, concrete may be used to create aesthetically stunning structures. Inadequate domestic …
Published in Journal of Polymer & Composites · Vol. 11, Issue 4, 2023 · pp. 46–52 Read article
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Combine Effect of Metakaolin, Recycled Steel Fiber and Waste Glass Powder on Mechanical Properties of Concrete
Abstract: This study investigates the combined effects of metakaolin, recycled steel fiber, and waste glass powder on the mechanical properties of concrete. Specifically, the research explores concrete mixes with metakaolin, crushed glass powder at 9%, 12%, 15%, and 18%, and recycled steel fiber at 0.5%, 1%, 1.5%, and 2% as partial replacements for cement. The primary aim is to identify the optimal mix proportions that enhance the compressive strength, flexural strength, …
Published in Journal of Construction Engineering, Technology & Management · Vol. 14, Issue 3, 2024 · pp. 7–17 Read article
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Experimental Investigation of OPC Concrete with Incorporation of Glass Powder as Partial Substituent Material.
Abstract: This study presents an experimental survey aimed at evaluating the viability of incorporating glass powder (GP) as a partial substitute for cement in concrete matrix. The research focuses on assessing the effect of this sustainable alternative in concrete by investigating the various properties of fresh concrete such as workability, mechanical and durability aspects. Specimens were prepared with GP replacement to cement at 5%, 10%, 15%, and 20% levels, with comparative …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 1058–1068 Read article
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Replacement of Fine Aggregate in Concrete Using Bakelite Powder: A Review
Abstract: This review explores the feasibility of incorporating Bakelite, a thermosetting synthetic polymer known for its durability, heat resistance, and insulating properties, as a partial replacement for fine aggregate in concrete. The increasing focus on sustainable construction practices has driven interest in utilizing industrial waste materials like Bakelite to reduce environmental pollution while enhancing concrete performance. Bakelite, often discarded as industrial waste, presents an opportunity to improve the mechanical and durability …
Published in Recent Trends in Civil Engineering & Technology · Vol. 15, Issue 1, 2025 · pp. 6–10 Read article
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Design of a Geopolymer Based on Fly Ash and Metakaolin with a Solid, Liquid, and Powdered Alkaline Activator at High Temperatures
Abstract: In this work, the fresh and hardened properties of geopolymer concrete activated using solid, liquid, and powder alkaline activator systems, including fly ash and different amounts of metakaolin, are examined. Compressive and flexural strengths were assessed at 7 and 28 days in accordance with IS 516 (1959). Workability was evaluated using a slump test in accordance with IS 1199 (Part 2): 2018. At an ideal replacement level of 30%, the …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 712–726 Read article
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Empowering Concrete: Enhancing Strength and Durability with Coal Bottom Ash
Abstract: The utilization of coal bottom ash, an industrial waste byproduct, as a sustainable alternative to river sand in concrete production has gained increasing attention due to environmental concerns and the need for resource optimization. This study examines how incorporating coal bottom ash into concrete mixtures, either partially or entirely replacing river sands, affects different properties. These properties include the workability of fresh concrete, as well as its compressive strength, splitting …
Published in Recent Trends in Civil Engineering & Technology · Vol. 14, Issue 1, 2024 Read article
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Deformation and Densification Behaviour of Sintered Aluminium Alloy and Chromium Carbide Metal Matrix Preforms
Abstract: This paper presents comprehensive experimental results focused on the deformation and densification behavior of sintered AA2618 - 2% Cr3C2 metal matrix preforms. The study specifically examines preforms with varying aspect ratios subjected to a cold upsetting process. To create the powder preforms, an initial theoretical density of 89% was achieved using a cylindrical die on a 600 kN hydraulic press. The sintering process was conducted in an electric muffle furnace, …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 125–131 Read article
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Effect of Steel Fibre on the Flexural Strength of Self- Compacting Concrete
Abstract: With the increase in demand in the construction industry Self-Compacting Concrete is becoming more popular due to its versatile nature of improved efficiency. But the SCC possesses some properties which makes it brittle under tensile forces. The behavior of SCC as a structural material can be improved with the addition of Steel Fibres in adequate amount. In fact, the fibre reinforcement mechanism can convert the brittle behavior of concrete into …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 230–239 Read article
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Parametric Study of Fiber-Reinforced Concrete with Partial Cement Substitution Using Fly Ash and Rice Husk Ash
Abstract: This research aims to evaluate the impact of incorporating steel fibers [SF] and partially substituting cement with rice husk ash [RHA] and fly ash [FA] on the properties of concrete. SF were added in different volume fractions [0%, 0.25%, 0.5%, 0.75%, and 1.0%], combined with 10% RHA and 20% FA. Initially, the concrete mix contained 30% FA with no RHA, which was then adjusted to a mix of 15% FA …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 171–180 Read article