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688 articles for “strength”
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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 GGBFS Content and Curing Methods on the Compressive Strength of Coconut Shell Concrete: A Mix Design Approach for Sustainable Construction
Abstract: AbstractThis study explores the development of a coconut shell concrete (CSC) mix design using theACI211.298 guidelines, targeting a compressive strength of 20 MPa for structural applications. Dueto the organic and flaky properties of coconut shell (CS), achieving the initial target strength of 40MPa was challenging, necessitating a focus on optimizing mix proportions for a 20 MPa goal. Theresearch investigates three different mixes with varying percentages of ground granulated blastfurnace slag …
Published in International Journal of Structural Engineering and Analysis · Vol. 10, Issue 2, 2024 · pp. 9–14 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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Strength & Durability of Concrete with Sand Blasting Residue
Abstract: Sand blasting residue (SBR) is commonly obtained as a by-product from chain manufacturing industries. Although it is a waste material but can be used in the mixing of concrete. The work has been divided into two parts. Part 1 covers preparation of M20concreteby substituting SBR as replacement of sand in different percentage such as 40%, 50%, 60%, 70% & 80%. The w/c ratio is kept as 0.5 with adequate does …
Published in International Journal of Concrete Technology · Vol. 6, Issue 1, 2020 · pp. 32–41 Read article
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Effect of Fly Ash on Compressive Strength of Mortar and Brick Aggregate Concrete
Abstract: This paper presents tse influence of fly ash on compressive strength of mortar and brick aggregate concrete. A lot of tests were done about strength of fly ash concrete all over the world. In those experiments, stone chips were generally used as coarse aggregate. In this experiment locally available materials such as burnt clay brick chips as coarse aggregate, sand and fly ash available in Bangladesh (Indian fly ash) were …
Published in International Journal of Concrete Technology · Vol. 7, Issue 1, 2021 · pp. 7–23 Read article
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Modeling Concrete Tensile Strength from Fly Ash and Alccofine as Partial Replacement for Cement
Abstract: Tensile strength development were carried applying derived modeling and simulation, this study is to monitor the behaviour of the material in tensile state, Several materials has been used as modifiers or partial replacement, but the application of alccofine as a micro-fine materials has not been thoroughly applied by experts, this product has fine particles that is more finer than cement including other materials, the tensile strength behaviour from the studies …
Published in International Journal of Concrete Technology · Vol. 6, Issue 2, 2020 · pp. 22–38 Read article
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Impact of Additives on the Split Tensile Strength of Roller Compacted Concrete
Abstract: Additives are implemented as partial replacement of Portland cement in concrete to enhance the required physical properties. In the present investigation, roller compacted concrete slab samples were prepared using gap and dense aggregate gradation. Three percentages of Portland cement were adopted, (16, 12, and 10) % by weight of aggregates. Three types of additives, (hydrated lime, fly ash, and fumed silica) were implemented as partial substitute of Portland cement. Core …
Published in International Journal of Concrete Technology · Vol. 7, Issue 2, 2021 · pp. 9–15 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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Influence of Recycled Aggregate and Steel Fiber on the Compressive Strength of Concrete: A Comparative Study of NAC and RAC Mixes
Abstract: Abstract This study evaluates the impact of varying proportions of recycled concrete aggregate (RCA) and steel fiber content on the compressive strength of concrete mixes. Five concrete mixes were prepared with different percentages of RCA (0%, 25%, 50%, 75%, and 100%), using a constant water-to-cement ratio (w/c) of 0.55. Additionally, each mix included variations with 1% and 2% steel fiber by volume, corresponding to 78.5 kg/m³ and 157 kg/m³, respectively. …
Published in International Journal of Concrete Technology · Vol. 10, Issue 2, 2024 · pp. 11–16 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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Impact of Sugarcane Molasses on Compressive Strength and Workability
Abstract: Molasses used as admixture increase the workability, it is a by-product of sugar industry. In this study, mechanical property such as compressive strength and workability of concrete adding fly ash and sugarcane molasses has been investigated. Adding the molasses in concrete increase the compressive strength, delay the initial and final setting time, reduced the bleeding and segregation of concrete and decrease the W/C ratio. The compressive strength test results showed …
Published in International Journal of Construction Engineering and Planning · Vol. 6, Issue 1, 2020 · pp. 1–5 Read article
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Effect of variation of Elevated Temperature on Compressive Strength of Metakolin concrete
Abstract: It has been found that high early temperature has negative impacts on later compressive strength of concrete. Some researchers investigated the adverse effect on long term strength of concrete due to high initial temperature. The effect of temperature on different properties of concrete is considerable and remained the subject of research activities of a lot of researchers. Different investigators moved in different ways and investigated temperature effect by changing different …
Published in International Journal of Concrete Technology · Vol. 2, Issue 2, 2016 · pp. 9–16 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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Optimizing Aggregate Gradation for Enhancing Strength Properties of Pervious Concrete
Abstract: Pervious concrete possesses high permeability enabling environmental applications like stormwater recharging. However, lower strength limits widespread infrastructure adoption necessitating enhancements. This study focuses on optimizing aggregate proportions for improving compressive and flexural strength. Mixes were developed with cement variations from 200-500 kg/m3 with fine to coarse aggregates ratios systematically altered. Strengths were measured as per ASTM C39 and ASTM C78. Results showed reduced water-cement ratio and balanced aggregate blends improved …
Published in International Journal of Concrete Technology · Vol. 9, Issue 2, 2023 · pp. 41–49 Read article
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Assessment of M30 Concrete Compressive Strength Using Digital Rebound Hammer and Destructive Testing
Abstract: Abstract The assessment of in-situ concrete strength using non-destructive testing (NDT) techniques hasbecome increasingly important for quality assurance, structural evaluation, and conditionassessment of concrete infrastructure. Among the available NDT methods, the digital reboundhammer offers a rapid, economical, and non-destructive means of estimating concretecompressive strength. This study experimentally investigates the correlation between reboundnumbers obtained from a digital rebound hammer and the compressive strength of M30 gradeconcrete determined using a Compression Testing …
Published in International Journal of Structural Engineering and Analysis · Vol. 12, Issue 2, 2026 Read article
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Revolutionizing Concrete Strength: The Role of Carbon Nanotube Reinforcements
Abstract: Abstract The integration of carbon nanotubes (CNTs) into concrete represents a revolutionary advancement inconstruction material technology. Carbon nanotubes, known for their exceptional mechanical,electrical, and thermal properties, offer transformative potential for enhancing the strength, durability,and functionality of traditional concrete. This study explores the role of CNTs as a nano-reinforcementmaterial, focusing on their impact on compressive strength, tensile capacity, and resistance to crackingand environmental degradation. By incorporating CNTs, concrete can achieve unprecedentedmechanical …
Published in International Journal of Structural Engineering and Analysis · Vol. 11, Issue 1, 2025 · pp. 27–31 Read article
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Prediction of Shear Strength Parameters Using Multiple Regression Analysis
Abstract: Shear strength is a principal engineering property of soil. It controls the stability of a soil mass under structural loads and is used in design of foundation. In this study, a survey was carried out in and around the Bhauti region of Kanpur district, Uttar Pradesh and accordingly nine sampling locations was identified. All the samples were collected from a depth of 50 cm and analyzed for different geotechnical properties …
Published in International Journal of Landscape Planning and Architecture · Vol. 5, Issue 2, 2019 · pp. 26–39 Read article
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Effect on Strength Properties Concrete Amalgamation of Recycled Reinforced Aggregate -An Experimental Study
Abstract: Concrete is a combination substance which has turn into a universal and essential as its intrinsic in character brought an uprising application. Use of concrete in construction lead to construction of surplus desecrate subsequent to destruction of the variety of structures. The waste generated is enormous and uncontrollable. So, in this present research is to verify the potency of concrete with normal aggregate and recycled aggregate in addition to enlarged …
Published in International Journal of Concrete Technology · Vol. 6, Issue 1, 2020 · pp. 7–15 Read article
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Potential of Natural Fibres for Strengthening Existing Structures – A Review
Abstract: To rehabilitate the deficiencies in the existing structures, synthetic/artificial fiber reinforced polymer composites have been considered as an effective external strengthening material for construction industries since a long period, due to their outstanding performances like high strength-to-weight ratio, lightness, and resistance to corrosion. But few of their drawbacks in terms of high cost, environmental issues etc., they have been triggered the introduction and development of natural fibers. Natural fibres are …
Published in International Journal of Structural Engineering and Analysis · Vol. 4, Issue 2, 2018 · pp. 38–46 Read article
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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