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408 articles for “strength of concrete”
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Effects of Polypropylene Fibre on Strength of Geopolymer Concrete
Abstract: In the construction industry, the most vital parameter considered in the current scenario is the sustainable development of the structures. The most used material in construction is concrete, which is primarily made up of Portland cement. The production of Portland cement is nearly about 2.6 billion tonnes per year and is increasing at the rate of 5% annually. The concrete industry contributes about 5–8% of all human generated carbon dioxide …
Published in Recent Trends in Civil Engineering & Technology · Vol. 6, Issue 3, 2016 · pp. 23–31 Read article
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MODELING EARLY COMPRESSIVE STRENGTH OF CONCRETE PARTIALLY REPLACED WITH HETEROGENEOUS PALM KERNEL SHELL INFLUENCED BY VOID RATIO AND PERMEABILITY
Abstract: The study monitored the partial replacement of palm kernel shell as an aggregate for concrete production, this was carried out using modelling and simulation techniques, such condition were applied to determine other parameters that their significance impact may have not determined its growth rates in terms of compressive strength. The study observed the void and permeability of the material, including heterogeneity, to influence the increase and decrease of compressive growth …
Published in Recent Trends in Civil Engineering & Technology · Vol. 13, Issue 3, 2023 · pp. 24–38 Read article
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Experimental Investigation on the Strength of Concrete with Partial Replacement of Cement using GGBS and Alccofine
Abstract: Cement is the most important ingredient of concrete. A large scale production of cement consumes large amount of energy and produce a large amount of carbon dioxide (CO2) gas which harmful to human as well as environmental and natural resources. So, to avoid the effect to use industrial waste productions as a supplementary cementitious material (SCM) in making concrete i.e. silica fumes, rice husk ash, fly ash, metakaolin, alccofine, ground …
Published in Journal of Construction Engineering, Technology & Management · Vol. 13, Issue 1, 2023 · pp. 35–43 Read article
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Buckling Assessment of Concrete Column, RCC Column and Concrete Column Strengthened by CFRP with Different Slenderness Ratio.
Abstract: Using finite element modeling, this study presents a buckling analysis and total deformation assessment of a concrete column, a column made of reinforced cement concrete (RCC), and a concrete column enhanced with Carbon Fiber-reinforced Polymer (CFRP) laminates (FEM). Utilizing the ansys18.1 software, a comprehensive analysis is carried out for columns that have a variety of slenderness ratios to arrive at a more accurate performance estimation. Because they can support the …
Published in Journal of Polymer & Composites · Vol. 10, Issue 3, 2022 · pp. S11–S22 Read article
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Influence of Corrosion on Flexural Strength of Concrete
Abstract: The large-scale infrastructure uses reinforcement concrete. It has been believed that protection to steel reinforcement by concrete is permanent. The influence of atmospheric corrosion of steel and its performance in concrete has been subject to controversy in the construction industry. Service life of reinforced concrete structure can be significantly reduced when the corrosion of reinforcing steel is initiated; the product of corrosion expands and occupies greater volume than original volume …
Published in Journal of Structural Engineering and Management · Vol. 4, Issue 1, 2017 · pp. 35–42 Read article
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Combined Effect of Ceramic Waste and Metal Fiber Waste on Splitting Tensile and Flexural Strength in Pavement Concrete
Abstract: India is a prodigious country, with a huge population almost second in the world, will increase from China by the middle of this century. In India, majority of the population is much younger, which have advantage of having substantial work force and epic development opportunities. India’s 12th Five Year Plan is pivoted on the growth of infrastructure facilities such as roads and highways, railways, ports and shipping, power stations, irrigation …
Published in Recent Trends in Civil Engineering & Technology · Vol. 6, Issue 3, 2016 · pp. 32–39 Read article
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Effect of RHA on Strength of M20 Concrete Under Both Acidic and Non-Acidic Medium by Using Rebound Hammer Test
Abstract: Commonly, Portland cement is the most common type of cement in general use around the world as a basic ingredient of concrete which release large amount of carbon dioxide while manufacturing. Consequently there is important to utilize choice to limit the effect on climate. In this paper Rice husk debris were to some degree traded for concrete material. In this investigation ice husk debris are utilized as a swap for …
Published in Journal of Construction Engineering, Technology & Management · Vol. 11, Issue 3, 2021 · pp. 1–6 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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Impact of Composite Materials by Silica Fume and Fly Ash in Cement and Partial Substitution of Fine Aggregate Using Quarry Dust in Steel Fibre Concrete
Abstract: Mineral admixtures can be added to concrete to replace some of the cement, increasing its overall strength. Fly ash (FA) and silica fume (SF) are two often used mineral admixtures. A series of experiments were conducted to investigate the effect of adding varied amounts of fly ash and a consistent amount of silica fume on concrete strength by using the same amount of substitute for cement and the same water-binder …
Published in Journal of Polymer & Composites · Vol. 12, Issue 5, 2024 · pp. 139–147 Read article
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Effect of Ground Water Sodium Chloride Attack on Reinforced Concrete Footings
Abstract: In footings construction, it is very important to protect the reinforced concrete in direct contact with the soil from the ground water attack, especially if it is consisting of risky salt such as NaCl. One of the main objectives of this paper is to study the effect of ground water NaCl attack on the compressive strength and on steel reinforcement of footings, which is usually subjected to ground water. The …
Published in Journal of Geotechnical Engineering · Vol. 4, Issue 1, 2017 · pp. 1–7 Read article
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Assessment of Compressive Strength of OPC and PPC-Based Concretes Combined by Ultrasonic Pulse Velocity and Rebound Hammer
Abstract: In this study, non-destructive tests were performed on ordinary Portland cement (OPC) and Portland pozzolana cement (PPC) based concrete specimens, namely the ultrasonic pulse velocity (UPV) and rebound hammer (RN). A relationship is thus established between the NDT values and the compressive strength. A statistical regression analysis was performed between the compressive strength with UPV and RN values to obtain a best-fit relationship and correlation coefficients. To take into account …
Published in Journal of Construction Engineering, Technology & Management · Vol. 2, Issue 1-3, 2012 · pp. 1–16 Read article
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Forecasting of Crushing Strength of Sustainable Concrete by Employing Deep and Random Forest Machine Learning
Abstract: Sustainable concrete is one of the milestone of the concrete industry. This concrete fulfills the requirements of concrete manufacturing industry such as strengthen, Durability, environment friendly and many of other. With this properties of concrete, sustainable concrete is an ideal substitute for ordinary concrete in the concrete industry. In the 21th century Machine learning is a tool which is use to employ the characteristics of sustainable concrete by using deep …
Published in Journal of Polymer & Composites · Vol. 12, Issue 7, 2024 · pp. 41–46 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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Comparative Study on the Compressive Strength of Bacterial Concrete using Spirulina and Bacillus Subtilis
Abstract: The bacterial concrete has remarkable advantages over ordinary concrete in self-repairing itself when cracked, and it proves to be an environmentally safe building material to be used. The objective of the present study is to investigate the feasibility of using Spirulina in bacterial concrete. A comparative study on the compressive strength of M30 grade of concrete using Spirulina and Bacillus Subtilis (B.Subtilis) were carried out. Volume of Spirulina and B.Subtilis …
Published in Recent Trends in Civil Engineering & Technology · Vol. 8, Issue 2, 2018 · pp. 18–22 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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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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Experimental Evaluation of Strength in Bacterial Concrete Mixtures
Abstract: The incorporation of bacteria into concrete, through the process of Microbiologically Induced Calcite Precipitation (MICP), offers a promising approach to enhancing the mechanical properties and durability of concrete. This research explores the effect of bacterial addition on the compressive strength, split tensile strength, flexural strength, and workability of concrete. Specifically, three bacterial strains—Bacillus megaterium, Bacillus subtilis, and Pseudomonas aeruginosa—were used in varying concentrations (10⁴, 10⁵, and 10⁶ cells/ml) and incorporated …
Published in Journal of Construction Engineering, Technology & Management · Vol. 14, Issue 3, 2024 · pp. 61–69 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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Influence of Microcrack Healing on Interface Bond Shear Strength of Asphalt Concrete
Abstract: The flexible pavement layers are susceptible to cracks throughout its service life under the repeated loading and environmental impact. However, microcracks can heal itself through rest period and variation in temperature. In this investigation, the influence of microcrack healing on the interface shear strength of asphalt concrete was assessed. Two types of tack coat (rapid curing cutback RC-70 and cationic medium setting emulsion CMS) and three application rates have been …
Published in Trends in Transport Engineering and Applications · Vol. 7, Issue 2, 2020 · pp. 18–28 Read article
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Effect of Corrosion on Flexural Strength of Reinforced Concrete Beam: An Experimental Study
Abstract: AbstractThe main aim of this experimental study is to investigate the effect of corrosion on reinforced concrete beams, particularly on load deflection behavior, load carrying capacity and crack width by using with or without epoxy coating on the steel surface. Accelerated corrosion technique was adopted to corrode the beam experimentally. The corrosion was measured using the Open Circuit Potential (OCP) measurement instrument. A total of 14 simply supported beam specimens …
Published in Recent Trends in Civil Engineering & Technology · Vol. 7, Issue 3, 2017 · pp. 1–7 Read article