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195 articles for “Compressive strength”
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Performance of High Volume Fly Ash Concrete Using Local Power Plant Fly Ash
Abstract: Total production of fly ash in Indian Thermal Power plants is approximately 160 million tons annually. Except some super power plants, the quality of fly ash is said to be inferior in most of the power plants. The suitability of fly ash from local power plants for production of high volume fly ash (HVFA) concrete is not tested so far. The aim of the present investigation is to ascertain whether …
Published in International Journal of Composite and Constituent Materials · Vol. 1, Issue 1, 2015 · pp. 07–13 Read article
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Performance of Metakaolin and GGBS-induced Geopolymer Concrete Under Compression
Abstract: Metakaolin and ground granulated blast furnace slag (GGBS) were used as the source materials to obtain the high strength geopolymer concrete. NaOH and sodium silicate were used as alkaline activators with varying NaOH molarities of 8M, 12M, 14M and 16M. Cubes of size (100x100x100) mm were cast and the four geopolymer mixes were heat cured for varying durations of 24 hours, 48 hours and 72 hours and tested for compressive …
Published in International Journal of Concrete Technology · Vol. 3, Issue 2, 2017 · pp. 31–38 Read article
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Impact of Silica Fume on High-Strength Concrete
Abstract: For many decades, concrete has been the primary material used in construction because of itsreliability under normal conditions. However, certain applications necessitate concrete withexceptionally high compressive strength and durability, particularly in aggressive environments.Consequently, achieving compressive strengths in the range of 60–140 MPa is critical for thesedemanding situations. Silica fume, a by-product of silicon and ferrosilicon smelting processes, hasgained recognition as an effective cementitious material for enhancing concrete properties. Thisdissertation investigates …
Published in International Journal of Concrete Technology · Vol. 10, Issue 1, 2024 · pp. 25–31 Read article
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Optimizing Characteristics of Ferro-Geopolymer Composites for Structural Applications
Abstract: Abstract This study focuses on developing an optimal mix for geopolymer mortar (GPM) using varying molarities of NaOH solution and different binder-to-aggregate ratios. The primary objective was to determine the mix that yields the highest compressive strength. GPM cubes were prepared and subjected to two curing methods – oven curing and steam curing. Compressive strength tests were conducted at 3, 7, and 28 days. The results show that the compressive …
Published in International Journal of Concrete Technology · Vol. 10, Issue 2, 2024 · pp. 17–22 Read article
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The Effect of Sugar Powder on Strength of Concrete
Abstract: Abstract This study presents a comprehensive experimental investigation into the influence of sugar powder on the compressive strength of concrete. The research aims to systematically evaluate the effects of incorporating sugar powder in varying proportions on the mechanical and structural performance of concrete, particularly when combined with different brands of cement. Concrete cube specimens with standard dimensions of 150 mm × 150 mm × 150 mm were meticulously prepared by …
Published in International Journal of Concrete Technology · Vol. 11, Issue 1, 2025 · pp. 22–28 Read article
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Influence of Rock Properties on Sound Level
Abstract: Rocks used as building materials or for some other purposes are tested for their physico-mechanical properties to assess their suitability. For this, rock boulders excavated from the quarries are cut, shaped and crushed in the laboratory. While carrying out these processes, it generates sound. In this study, rock boulders received from the industries were cut in the form of cylindrical shape to determine its compressive strength, density and Young’s modulus.For …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 7, Issue 1, 2021 · pp. 39–44 Read article
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Determination of the optimum magnetic exposure time for magnetic water concrete
Abstract: The purpose of this study was to investigate the effect of magnetic water on the workability and compressive strength of concrete, and also to find the optimum time for exposing water to magnetic field, for which maximum compressive strength of concrete will be achieved. In this research, water was exposed to magnetic field of 336mT per magnet for a duration of 12, 18, 24, 36, and 96 hours, after which …
Published in International Journal of Construction Engineering and Planning · Vol. 6, Issue 1, 2020 · pp. 34–42 Read article
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Analyzing Strength Properties of Self-Compacting Concrete at Elevated Temperatures
Abstract: This study investigates the influence of fly ash substitution for Ordinary Portland Cement (OPC) on the compressive and splitting tensile strengths of Self-Compacting Concrete (SCC) mixes. The findings reveal that while early age strength may decrease with fly ash substitution, strategic material selection, such as incorporating foundry sand, mitigates this decline. Satisfactory fresh properties were achieved across SCC mixes labeled SCC1-SCC4, with compressive strengths ranging from 30.49 to 19.19 MPa …
Published in International Journal of Concrete Technology · Vol. 10, Issue 1, 2024 Read article
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Effect of Different Mix Compositions on Compressed Stabilized Earth Block Strength
Abstract: Climate change and global warming are pressing issues exacerbated by the rapid expansion of theworld's population and its housing needs. Traditional construction materials contribute significantly toenvironmental degradation through the generation of dust, solid waste, hazardous gases, and highenergy consumption. In response, this study focuses on exploring environmentally sustainablealternatives, with a particular emphasis on compressed stabilized earth blocks (CSEB). CSEBs aremasonry units formed by compacting soil, stabilizers, and water. This research …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 10, Issue 1, 2024 · pp. 33–43 Read article
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Experimental Investigation of Concrete Properties for Strength and Durability with Partial Replacement of Mixture of Nano-Silica
Abstract: This study explores the effects of partial cement replacement with nano-silica on theproperties of concrete, focusing on both strength and durability aspects. Compressive strengthtests were conducted at two key ages, 7 days and 28 days, to evaluate the concrete's performanceunder various conditions. The nano-silica was introduced into the concrete mix at three differentpercentages: 0.3%, 0.6%, and 1% by weight of the cement content. Our experimental findingsindicated a remarkable enhancement in …
Published in International Journal of Concrete Technology · Vol. 9, Issue 2, 2023 · pp. 1–7 Read article
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The Effect of Carbon Percentage on Structural Steel’s Compressive and Tensile Strength: A Literature Survey
Abstract: The fundamental necessity of this survey is to check the enhancement of the strength, hardness, dimensional stability and wear resistance by passing them through the cold temperature that enhance the hardness of the substance as a result of the increment in which it took place within the proportion of primary solid solution within the structure. If the type of methods mentioned in the article are employed in manufacturing and production …
Published in International Journal of Metallurgy and Alloys · Vol. 1, Issue 2, 2015 Read article
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Laboratory Scale Study on Fly Ash Replacement to Cement in High-Strength Concrete
Abstract: Abstract Concrete, the cornerstone of modern infrastructure, faces increasing environmental impact of cement production calls for sustainable alternatives in construction materials. Primarily due to the high carbon footprint associated with Portland cement production. This review synthesizes existing research and the findings from an experimental study investigating the partial replacement of Ordinary Portland Cement (OPC) with fly ash in high-strength concrete (HSC) of grade M60. The study specifically examines a 50% …
Published in International Journal of Concrete Technology · Vol. 11, Issue 2, 2025 · pp. 22–30 Read article
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Smog Eating Structure
Abstract: Air quality has deteriaoted significantly over the past two decades, today pollution is one of the largest risk factors contributing to the disease’s burden, Air pollution affects individual health of citizens, increases mortality and morbidity rates and contributes in climate changes. So, in this paper we have used titanium-dioxide-infused concrete, which can remove smog from air when exposed to sunlight and ultraviolet lights. This technology is based on particles of …
Published in International Journal of Construction Engineering and Planning · Vol. 7, Issue 2, 2021 · pp. 15–20 Read article
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Utilization of Brick Dust and Rice Husk Ash for Sustainable Cement Replacement in M20 Grade Concrete
Abstract: AbstractThe study evaluates the influence of replacing cement with Fly Ash, Brick Dust, and Rice HuskAsh on the compressive strength of concrete. Cement replacement was conducted at varyingpercentages (5%, 10%, 15%, 20%, 25%, 30%, 35%, and 40%) for M20 grade concrete, andcompressive strength was assessed at 7, 28, 90, and 180 days. The results demonstrate thatpartial cement replacement can achieve comparable or improved strength performance up to anoptimal level, beyond …
Published in International Journal of Concrete Technology · Vol. 11, Issue 2, 2025 · pp. 1–5 Read article
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Effect of magnetic pole direction on the properties of magnetized water concrete
Abstract: This project aimed to study the variations in properties of concrete when magnetized water was being used instead of normal water, and also compare the effect of the magnetic pole on magnetized water concrete. In this research, based on reviewed literature, magnetized water was prepared by filling a glass beaker with water and then placing magnets at the sides of the container for the required number of hours. Sieve analysis …
Published in International Journal of Concrete Technology · Vol. 6, Issue 1, 2020 · pp. 16–22 Read article
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A Study on Partial Replacement of Fine Aggregates with Crumb Rubber and Cement with Metakaolin
Abstract: Concrete, often referred to as man-made rock, consists of cement, aggregates, and water. Recent experimental studies have explored the strength characteristics of concrete by partially replacing fine aggregate with crumb rubber and cement with metakaolin. Concrete cubes were tested for compressive strength at 7 and 28 days, using various percentages of crumb rubber and metakaolin as replacements for fine aggregate and cement, respectively. The aim of the study was to …
Published in International Journal of Composite Materials and Matrices · Vol. 10, Issue 1, 2024 · pp. 7–18 Read article
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Effect of Accelerated Curing and Normal Curing Regimes on UFGGBFS-Based Semi-Lightweight Concrete
Abstract: This paper deals with the performance of semi-lightweight concrete (sLWC), prepared by using calcite powder pellets as coarse aggregates which was improved by partial replacement of cement with UFGGBFS (ultrafine ground granulated blast-furnace slag). Cement could be replaced by UFGGBFS as 0%, 5%, 10%, 15%, 20%, 25%, 30%, 35%, 40%, 45%, 50%, 55%, 60%, 65%, and 70% to enhance the strength and durability properties of concrete. High-range water-reducing admixtures (HRWA) …
Published in International Journal of Concrete Technology · Vol. 5, Issue 1, 2019 · pp. 1–7 Read article
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Replacement of Natural Fine Aggregate by Copper Slag
Abstract: This paper presents the applications of replacement of natural fine aggregate using copper slag. The study is conducted by replacing the fine aggregate from 0 to 100% at the interval of 20% on M25 grade concrete and 1.8% superplasticizer by weight of cement. The compressive strength, split tensile strength and flexural test is studied and reported. It is observed that replacement of natural fine aggregate at 40% (CS40) gives higher …
Published in International Journal of Concrete Technology · Vol. 5, Issue 2, 2019 · pp. 23–28 Read article
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Comparative Study on the Effect of Acidic and Alkaline Mixing Water on Concrete Strength
Abstract: AbstractThe overall performance and durability of concrete are significantly influenced by the quality of water. The strength of the concrete is mostly influenced by the pH of the mixing water, which also affects the hydration process of the cement. This study investigates how different pH levels of water affect the compressive strength of concrete. Three types of mixing water were prepared with pH values of 3.64, 6.90, and 10.21 by …
Published in International Journal of Concrete Technology · Vol. 12, Issue 1, 2026 · pp. 7–15 Read article
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Effect of Replacing Rice Husk Ash with Cement and Granulated Blast Furnace Slag with Fine Aggregates on High Performance Concrete
Abstract: Cement and sand are the basic materials for any concrete construction. Now a day’s due to erosion of rivers and considering environmental issues, there is a scarcity of river sand. Many researchers are finding different materials to replace sand and one of the major materials considered in this study is granulated blast furnace slag (GBFS). In recent times, instead of cement many alternative materials are being used as the binding …
Published in International Journal of Concrete Technology · Vol. 2, Issue 2, 2016 · pp. 30–35 Read article