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296 articles for “cement concrete”
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Service Life Prediction of Concretes Incorporated with Ground Granulated Blast Furnace Slag and Icrete with respect to Chloride Ion Penetration
Abstract: The reduced service life of concrete structures in coastal or de-icing salt conditions is commonly attributed to corrosion generated by chloride. Therefore, extensive research is being conducted to estimate the time taken for threshold chloride ions to reach the reinforcement and break the protective layer, initiating the corrosive process. This study conducted an experimental investigation on controlled concrete, concrete incorporating 50% GGBS, and concrete incorporating both 50% GGBS and 2% …
Published in Journal of Polymer & Composites · Vol. 12, Issue 1, 2024 · pp. 214–226 Read article
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Exploring the Influence of Rice Husk Ash on Compressive Strength: Experimental Investigations in Construction Materials
Abstract: This paper aims to know the effect of rice husk ash on compressive strength 6 molds were collected and laboratory tests were conducted in cooperation with private laboratories in Baghdad Governorate, Iraq. The tests were conducted for a period of 7 and 28 days, where the samples were divided into 1 control and 5 samples distributed on a different percentage from 5% to 25% of the rice husks. The compressive …
Published in Recent Trends in Civil Engineering & Technology · Vol. 13, Issue 1, 2023 · pp. 24–28 Read article
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Green Concrete Using Fly Ash and Silica Fume
Abstract: Recycled coarse aggregate can also be used by partially replacing natural concrete aggregates, so that construction and demolition waste can be further used for aggregates in new construction. Recycled coarse aggregate includes brick, tile aggregates, crushed stone aggregates, glass aggregates, and demolished aggregates. In this paper, different recycled aggregates are used by 40 and 60% replacement with natural aggregates of size 20 mm. Granite stone, brickstone, concrete debris are used …
Published in Recent Trends in Civil Engineering & Technology · Vol. 6, Issue 2, 2016 · pp. 57–62 Read article
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Prediction of Mix Ratios for Grade 30 Superplasticized Concrete Using Osadebe’s Regression Model
Abstract: This study developed a model for estimating the compressive strength of grade 30 super-plasticized concrete. The regression model was built using a total of 15 experimental mix ratios. The results of compressive strength at 28 days from the concrete cubes were used for model development. Two cubes (150 mm × 150 mm × 150 mm) were produced per mix ratio, totaling 30 cubes for the 15 trial mix ratios. Osadebe’s …
Published in Recent Trends in Civil Engineering & Technology · Vol. 13, Issue 2, 2023 · pp. 1–10 Read article
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Nano-additives in Concrete: Present Scenario and Challenges
Abstract: This research work reviews on nanomaterials in concrete. Now, the conventional concrete properties of nanomaterial utilization have been introduced various attentions to increase. Ultimately, as an introduction, nanomaterial is increasing the strength and durability of the concrete. The nanomaterial is defined as the material that includes the particle size which smaller than 200 nm. Nanomaterials must be at least 500 nm in size. During the research of concrete in the …
Published in Recent Trends in Civil Engineering & Technology · Vol. 9, Issue 3, 2019 · pp. 11–20 Read article
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Experimental Study of Modified M20 Concrete with Waste Plastic Polystyrene Cubes
Abstract: The study of this research paper deals with the effectiveness of waste plastics used in concrete construction. The M20 concrete specimens were mixed with waste plastic material like polystyrene as cubes of different sizes such as 5, 6, 7, 8, 9, and 10 cm and were tested for their compressive strength. The standard size of waste plastic concrete specimens was 15 cm × 15 cm × 15 cm with the …
Published in Recent Trends in Civil Engineering & Technology · Vol. 14, Issue 1, 2024 · pp. 14–19 Read article
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Comparison of NVC to Different MixedDesign Method of Self-Compacting Concrete
Abstract: In comparison to normally solid vibrated (NVC), Self-compacting concrete (SCC) Elimination of extended properties and compaction due to improving productivity and working conditions. SCC usually NVC is more than powder material and thus to achieve an affordable and durable solid additions to change some of the cement by. As the flow of such recession-self acceptance of compressed concrete characteristics test results; J-ring, funnel and L box are presented. In addition, …
Published in Journal of Structural Engineering and Management · Vol. 3, Issue 3, 2016 · pp. 37–45 Read article
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Development of Environmentally Friendly Concrete by Incorporating Rubber and Leather Waste
Abstract: The valorization of post-consumer polymeric waste into high-performance composite materials offers a sustainable strategy for advancing circular economy principles and reducing environmental impacts.This study investigates the feasibility of utilizing recycled crumb rubber from end-of-life tires and leather-derived polymeric waste from the footwear industry as sustainable fillers in polymer-modified cementitious composites. Crumb rubber and processed leather waste were incorporated as partial replacements for natural fine aggregate at replacement levels of 0%, …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 · pp. 547–563 Read article
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Strength and Durability Properties of Metakaolin Amalgamated High Performance Concrete
Abstract: In past three decades, it is inevitably for the development of high strength concrete (HSC) and high performance concrete (HPC) is progressively enhanced, since these concrete are widely used throughout the world in most prominent projects like oil, bridges, multi-storey buildings and nuclear industries etc. In meticulous, the amalgamation of supplementary cementing material (SCM) or pozzolanic materials is vital when high strength and durability become the most desired properties of …
Published in Recent Trends in Civil Engineering & Technology · Vol. 7, Issue 2, 2017 · pp. 36–44 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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Analysis of Fibre Reinforced Beams
Abstract: There has been research into the flexural behaviour of composite beams with a variety of fibre layer depths, all of which were designed using the balancing section and the limit state design idea. The fibre depth is estimated to be 112 mm (d = 112 mm), with the first three dimensions being 94.44 mm (d1 = 94.44 mm), 46.12 mm (d2 = 22.35 mm), and 22.35 mm (d3) respectively. The …
Published in Journal of Polymer & Composites · Vol. 11, Issue 4, 2023 · pp. 53–59 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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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 · Vol. 11, Issue 14, 2023 Read article
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Effect of Silica Fume on Compressive Strength of Concrete and its Impact on Structure
Abstract: Silica fume is the byproduct which is obtained in ferrosilicon and silicon industry. With the increase in environmental hazardous effect, exploitation of industrial outgrowth and exhaustion of natural resources, the demand of using the byproducts has become a captivating choice to disposal. Silica fume is very active pozzolan, it is used in concrete because of its extreme fine, high SiO2 content and very effective in development and design of high-performance …
Published in Recent Trends in Civil Engineering & Technology · Vol. 11, Issue 2, 2021 · pp. 20–29 Read article
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STUDY OF GEO-POLYMER CONCRETE MADE BY USING NATURAL RIVER SAND WITH DIFFERENT POZZOLANIC MATERIAL – A REVIEW
Abstract: Geo-polymer is a new research topic in the construction industry in which cement is fully replaced by pozzolanic materials like fly ash, Ground Granular blast furnace slag, Rice husk ash, silica fume and alccofine etc. activated by highly alkaline solutions to act as a binder in the concrete mix. The result of previous experimental work reveals that normal concrete manufactured with natural river sand replaced up to optimum percentage by …
Published in Journal of Construction Engineering, Technology & Management · Vol. 8, Issue 3, 2018 · pp. 42–50 Read article
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Preliminary Investigation on Steel Slag: Production, Processing and Cementitious Properties
Abstract: Steel slag is glass-like by-product left over from the conversion of iron to steel in a basic oxygen furnace, or from the melting of scrap to make steel in an electric arc furnace. This paper reviews the production, processing, and cementitious properties of steel slag, and its use as a cementing component in different cementing systems. The chemical composition of raw ore and cooling of molten steel slag have a …
Published in Recent Trends in Civil Engineering & Technology · Vol. 6, Issue 2, 2016 · pp. 17–22 Read article
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Comparison of the Compressive Strength of Concrete Made with Palm Kernel Shell and Gravel as Coarse Aggregates
Abstract: The investigation of alternative materials for the construction, comparison of the compressive strength of concrete made with palm kernel shell as coarse aggregate and concrete made with gravel. A mix proportion of 1:2:4 with water cement ratio of 0.6, ordinary Portland cement, PKS, gravel and sand were used for this research. 24 cubes were cast and tested for compressive strength at 7, A14, 21 and 28 days. The result showed …
Published in Journal of Construction Engineering, Technology & Management · Vol. 12, Issue 1, 2022 · pp. 12–18 Read article
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An Experimental Study on Effect of Seawater on Strength of M30 Grade Concrete
Abstract: The concrete structures constructed near the coastal areas may deteriorate due to the action of sea salts present in seawater on hardened concrete surface with passage of time. The strength decreases due to the formation of complex ions when chloride and sulphate ions, react with cement hydration products. In this study, experiments were carried out to get the effect of seawater on the strength of M30 grade concrete in laboratory …
Published in Journal of Structural Engineering and Management · Vol. 3, Issue 3, 2016 · pp. 55–59 Read article
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Service Life Prediction of Concretes Incorporated with Fly Ash and Alccofine with respect to Chloride Ion Penetration
Abstract: Chloride-induced corrosion poses a significant threat to the degradation of reinforced concrete structures, especially in extreme environments such as marine and industrial exposure conditions, where the damage can be particularly severe. This study provides an experimental investigation utilizing three distinct water-binder ratios (0.3, 0.4, and 0.5) applied to three types of concrete mixtures: conventional concrete, concrete blended with 40% fly ash, and concrete blended with 40% fly ash and 2% …
Published in Journal of Polymer & Composites · Vol. 12, Issue 1, 2024 · pp. 202–213 Read article
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An experimental study on flexural behavior of RC beams of Alccofine based engineered concrete infusing steel fibres
Abstract: The innovations in concrete being engineered to the specific requirements have found a new dimension under sustainability. Alccofine is a sustainable construction material derived from GGBS. The primary objective of the study is to explore the potential of Alccofine particles in varying proportions in combination with 0.5% steel fibers to uplift the flexural strength of the engineered concrete. As concrete is known to be a brittle material once hardened, exhibits …
Published in Journal of Polymer & Composites · Vol. 12, Issue 3, 2024 · pp. 87–97 Read article