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141 articles for “aggregates”
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Comparative Analysis on Concrete Strength Using Various Sizes of Aggregates and Combined Gradation
Abstract: This research delves into the effect of using various single coarse aggregate sizes and combinations of such by specific proportions. A thorough examination involving control specimens of 12mm, 20mm, and 25mm aggregates sizes, with combining proportions in the ratios – 5/8:3/8, 1/2:1/2, 3/8:5/8 have been conducted, shedding light on critical patterns that dictate concrete performance. The fine aggregate was properly zoned from the preliminary test. The design mix was calculated …
Published in Recent Trends in Civil Engineering & Technology · Vol. 14, Issue 1, 2024 · pp. 29–36 Read article
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Conducting an Experimental Study on the Behavior of Concrete Involves Partially Substituting Coarse Aggregate with Waste Granite Tiles and Fine Aggregate with Quartz Sandstone Powder
Abstract: In agricultural nations where cement is generally utilized, the high and consistently inflating cost of cement has made development over the top expensive. Removal of strong waste materials is an extraordinary worry in urban communities from one side of the planet to the other. A portion of these waste materials are not biodegradable, which frequently prompts removal emergency and natural contamination. Numerous endeavors are being made for the reusing of …
Published in Journal of Construction Engineering, Technology & Management · Vol. 14, Issue 3, 2024 · pp. 26–34 Read article
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Assessing the Influence of Aggregates and Cement Type on the Properties of Roller-compacted Concrete
Abstract: Roller-compacted concrete (RCC) pavement is suitable for heavy traffic and harsh environment. In the present investigation, RCC slab samples have been prepared using two types of aggregates (crushed and rounded), and two types of cement binder (ordinary Portland and sulphate resistant). Cubes and beam specimens have been extracted from the slab samples with the aid of diamond saw. Specimens were tested for bulk density, ultrasound pulse velocity, compressive and flexural …
Published in Trends in Transport Engineering and Applications Read article
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Suitability of Stone Dust as an Alternative Aggregate in Asphalt Mixtures Using Rothfuch’s Method of Aggregate Combination
Abstract: The increase in pollution across the globe is one crucial area requiring mitigation. The bye product of quarries can pose great health and environmental risks. Construction industries in Nigeria heavily relies on conventional asphalt aggregate for construction of road pavements. This is one area of interest as mineral fillers and different aggregate gradations have a great effect on the mechanical property of asphalt concrete pavements. Stone dust is obtained from …
Published in International Journal of Environmental Noise and Pollution Control · Vol. 1, Issue 2, 2023 · pp. 1–8 Read article
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Optimal Dosage of Pumice in Lightweight Aggregate based Concrete
Abstract: Lightweight concrete (LWC) is a pioneering solution in the construction sector, characterized by its unique composition and versatile applications. Engineered with lightweight aggregates and additives, LWC achieves a significant reduction in dry density compared to conventional concrete, making it 23% to 87% lighter, with densities ranging from 300 to 1,840 kg/m³. This reduced weight makes LWC ideal for projects requiring load minimization, such as high-rise buildings and prefabricated elements. A …
Published in International Journal of Minerals · Vol. 1, Issue 1, 2024 · pp. 23–32 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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Polymeric Actions to Make Recycled Aggregate of Concrete Improved
Abstract: Recycling construction materials of concrete, steel, and steel scraps is an essential technique to promote sustainable material flow. The restricted reuse of recycled concrete aggregate (RCA) can be justified, even in part, by the impact on strength and durability of new RCA-based concrete, instead of natural aggregates. Various research has been conducted on improving RCA effectiveness, in particular resistance and water absorption to disintegration. Application of polymer-dependent therapy was used …
Published in Journal of Polymer & Composites Read article
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A Review on Using Recycled Aggregate with Various Pozzolans in Geopolymer Concrete
Abstract: Reducing the use of natural resources is crucial to solving the global issue of CO2 emissions. Concrete can be produced sustainably by using recycled aggregates and geopolymer binders, which are environmentally benign alternatives to traditional components. Carbon footprints can be reduced by using these materials instead of ordinary Portland cement and natural aggregates. Among all the combinations, recycled coarse aggregates (RCA) and geopolymer concrete have garnered attention as a viable …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 486–493 Read article
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Investigation of Mechanical Properties of Hollow Bricks Incorporating Aerated Aggregates: A Polymer-Cement Composite Approach
Abstract: The rapid advancement of construction technologies has necessitated the development of lightweight, thermally efficient, and sustainable building materials. Hollow bricks, due to their inherent voids, offer substantial reductions in dead load and enhanced insulation properties. However, their mechanical performance often falls short when compared to conventional solid bricks. To address this limitation, this study explores the synergistic integration of aerated aggregates and polymer-cement composites (PCCs) in hollow brick production. Aerated …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 92–105 Read article
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To Study Properties of Concrete by Using Manganese Ore Aggregate
Abstract: Aggregate is one of the major ingredients of the concrete and the maximum part of strength of the concrete is governed by the aggregate. And thus, partial or total replacement of it can change the physical as well as the chemical properties of the concrete. Nowadays researchers are quite interested in obtaining the more durable and more resisting concrete to the diverse climatic conditions. In this research, aggregate is proportionately …
Published in Journal of Construction Engineering, Technology & Management · Vol. 14, Issue 2, 2024 · pp. 38–45 Read article
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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
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Effect of Polymer Fiber on Concrete Made with Artificial Fine Aggregate from Demolished Buildings
Abstract: This research describes an experimental investigation that assesses the impact of polymer fiber and artificial fine aggregate on concrete properties. Polymer fiber, on the other hand, has the potential to function as a superplasticizer additive, which might lead to concrete's superior elasticity, higher strength, and reduced rate of water absorption. Thus, an experimental inquiry was conducted to ascertain the ideal admixture dose and investigate the consequences of admixture overdosage. Also, …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 286–296 Read article
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Integrative Structural-Functional Genomics of Fc and Fab: Precision Models for Monoclonal Antibody Stability and Anti-Aggregation Engineering
Abstract: Monoclonal antibodies (mAbs) represent the cornerstone of biotherapeutics, yet aggregation propensity compromises up to 50% of candidates during development, driven by Fab hypervariability and Fc vulnerabilities.(1,2) This review integrates functional genomics from OAS (4B+ sequences)(5) and structural databases (SAbDab: 10K+ structures)(6) with machine learning models achieving R=0.97 for SAP prediction.(11) We dissect biophysical mechanisms, benchmark predictive tools (DeepSP, ESM2), and engineering strategies (YTE, FW mutations) that enhance Tm by 5-10°C …
Published in International Journal of Molecular Biotechnological Research · Vol. 4, Issue 1, 2026 Read article
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Comprehensive Review of Recycled Aggregate Concrete in Construction: Suitability, Properties, and Sustainable Practices
Abstract: Concrete production, integral to construction and demolition processes, generates substantial waste. This waste can be repurposed as recycled aggregates in new concrete production, offering sustainable solutions and addressing resource management and environmental concerns. This literature review explores the utilization of construction and demolition waste as aggregates in recycled aggregate concrete (RAC), with a focus on key areas, including the suitability of RAC, its fresh properties, mix design, mechanical characteristics, and …
Published in Recent Trends in Civil Engineering & Technology · Vol. 14, Issue 1, 2024 · pp. 1–8 Read article
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Effect of Silica Fume on the Engineering Properties of Fly Ash-Based Geopolymer Concrete Using 100% Recycled Concrete Aggregate
Abstract: Construction and demolition (C&D) waste has generated an enormous amount in developing countries like India due to explosive infrastructures and increasing urbanization, causing numerous concerns regarding the environment and economy. Recycling of aggregate from C&D debris is a beneficial approach to sustainable development and a circular economy. In contrast, numerous drawbacks of the integration of recycled concrete aggregates are due to adhered mortar remaining on their surfaces, reducing the strength …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 1316–1325 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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M-Sand and coconut shells can partially substitute natural sand and coarse aggregate in a concrete mix
Abstract: This study explores a green approach to concrete production by using coconut shells and Manufactured Sand (M-Sand) as partial substitutes for traditional coarse aggregates and natural sand. Additionally, it investigates the role of silica in enhancing concrete properties. Coconut shells, often seen as waste, are utilized as lightweight aggregates, reducing the need for heavy natural aggregates. M-Sand replaces some of the natural sand, conserving this resource and reducing carbon emissions. …
Published in Journal of Construction Engineering, Technology & Management · Vol. 14, Issue 3, 2024 · pp. 35–54 Read article
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Use of Alccofine and Porcelain Waste Aggregate in Concrete Composite for Strength Enhancement
Abstract: Building construction applications benefit from recent studies on alumino-silicate alkaline activation geo-polymers and their supplementary modifier alccofine as well as new process advancements characteristics including flexural strength and split tensile strength determine structural performance and durability. The construction sector utilizes supplementary cementitious materials, waste materials, and Geo Polymer Concrete (GPC) for concrete composites because it requires environmental sustainability along with better functionality and longer service life of concrete structures. This …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 · pp. 23–33 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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Experimental Study on Replacement of Cement and Fine Aggregate with Marble Dust and Copper Slag
Abstract: With the ever-growing challenge of managing escalating waste materials globally, this paper explores sustainable solutions in construction through the utilization of marble dust and copper slag. The rapid generation of waste poses severe environmental and health threats, necessitating innovative strategies for responsible waste management. Local availability and the potential to enhance concrete strength make marble dust and copper slag attractive candidates for the partial replacement of cement and fine aggregate. …
Published in Journal of Polymer & Composites · Vol. 12, Issue 1, 2024 · pp. 169–176 Read article