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408 articles for “strength of concrete”
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Experimental Research on the Effect of Manufactured Sand as Fine Aggregate on Concrete Performance
Abstract: Currently, river sand obtained from natural resources is used as a fine aggregate in concrete works in the construction of buildings, bridges, dams, rigid pavements, etc., as a filler material in sub-grades and sub-bases of flexible pavements and in all other important structures in the field of civil engineering. In several districts, there are a few numbers of rivers that have only a shorter length, in such a way that …
Published in Recent Trends in Civil Engineering & Technology · Vol. 4, Issue 1, 2014 · pp. 17–22 Read article
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Detection and Assessment of Structural Weaknesses in Existing Offshore Structures
Abstract: The structural integrity and serviceability of existing structures may deteriorate over time due to aging, environmental exposure, material degradation, overloading, inadequate maintenance, and repeated operational stresses. Early identification of structural deficiencies is essential for preventing progressive damage and ensuring safe and reliable performance throughout the service life of a structure. This study presents a systematic structural condition assessment of an existing structure using visual inspection and non-destructive testing (NDT) techniques. …
Published in Journal of Offshore Structure and Technology · Vol. 13, Issue 2, 2026 · pp. 52–69 Read article
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Mechanical Properties of Aerated Concrete
Abstract: Nowadays it is very important to make the concrete economical. Aerated concrete is ordinary concrete that contains controlled amounts of air in the form of microscopic bubbles and having low density as compare to conventional concrete. These intentionally entrained air bubbles are extremely small. By using Air Entraining Agent (AEA), cement, coarse aggregate, fine aggregate and water we create aerated concrete. The experiment is perform on aerated concrete which is …
Published in Journal of Construction Engineering, Technology & Management · Vol. 8, Issue 3, 2018 · pp. 20–29 Read article
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Waste Plants as a Green inhibitor for Reinforced Concrete
Abstract: AbstractIn recent years, the use of inhibitors in producing high performance concrete has increased significantly as a result of chloride and sulfate attacks. The present inhibitors in market are toxic to the environment. Hence, the objective of the present investigation was to study a novel, eco-friendly and a hydrophobic green plant extracts’ inhibitor (rice husks) and study the effects of it on compression strength of reinforced concrete. The inhibitor above …
Published in Recent Trends in Civil Engineering & Technology · Vol. 7, Issue 3, 2017 · pp. 53–58 Read article
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Experimental Investigation on Utilization of Blast Furnace Slag as Fine Aggregate in Pavement Concrete
Abstract: Concrete is the second largest consumed material by human kind in the world. In this modern era, cement concrete pavements are in demand as compared to bituminous pavements in highway projects. In the recent time, under ages of green technology, the waste utilization in production of concrete especially for pavements is major concern of study. Blast furnace slag is one of the major wastes produced from steel processing plants around …
Published in Trends in Transport Engineering and Applications · Vol. 3, Issue 1, 2016 · pp. 58–64 Read article
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A Study on Stress Block Parameters
Abstract: The compressive stress distribution in concrete, when mathematically modeled, can be defined by characteristic parameters known as stress block parameters. There are three such parameters, namely, shape factor, k1, depth factor, k2, and maximum stress factor, k3. There are various shapes of stress blocks, like parabolic, equivalent rectangular, equivalent triangular, and rectangular-parabolic. Various standard codes have adopted an equivalent rectangular stress block, whereas the Indian code has adopted rectangular-parabolic stress …
Published in Journal of Construction Engineering, Technology & Management · Vol. 9, Issue 3, 2019 · pp. 35–42 Read article
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Optimal Dosage of Pumice in Lightweight Aggregate based Conc
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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UTILIZATION OF WASTE MARBLE SLURRY AND GLASS POWDER IN CONCRETE
Abstract: ABSTRACT In day by day increasing the pollution & cost of cement and sand their replacing material is necessary. In this investigation marble slurry and glass powder was used as a partial replacing material. The proportion of glass powder was 5-25% in interval of 5% by total weight of cement and marble slurry 10-50% in interval of 10% by total weight of sand. This study investigates the performance of concrete …
Published in Journal of Structural Engineering and Management · Vol. 5, Issue 1, 2018 · pp. 5–10 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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Effect of Groundwater Quality on Concrete Structures in Greater Noida: A Case Study
Abstract: In this study, firstly selected ten different locations in the Greater Noida region; then collected the ground water samples from these locations. The present study proposes the possible effect of groundwater quality on the concrete structures. It also proposes a realistic water quality on the structures. The chemical present in groundwater generally are pH, chloride, sulphate, acidity, and alkalinity. It is proposed to consider these parameters in the present study …
Published in Journal of Water Resource Engineering and Management · Vol. 4, Issue 2, 2017 · pp. 13–16 Read article
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Production of Dense Graded Cold Asphalt Mixtures with New Cementitious Material
Abstract: The energy revolution for offering sustainable energy supply and utilize in terms of economically and environmentally is interested evident for governments and industry. Cement is the main material for constructing the society’s buildings and infrastructures. Meanwhile, 5% of global CO2 emission is related to cement industry. Therefore, replacing of cement with one of the other sustainable materials is one of the main objectives of the climate change mitigation strategies around …
Published in Recent Trends in Civil Engineering & Technology · Vol. 6, Issue 3, 2016 · pp. 15–22 Read article
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Green concrete production using recycled aggregates produced from industrial waste and Metakaolin
Abstract: India has ranked recently in Environment and climate change performance index as 177th among the countries. India had been lagging behind in the establishment of many pollution controlling act and its now high times that the act needs to be enacted. The greater the increase in population major is the increase in solid waste. The waste classified tremendous harmful is construction & demolition waste and ceramic waste. In this research …
Published in Journal of Polymer & Composites · Vol. 8, Issue 2, 2020 · pp. 82–90 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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Study of Influence of Corrosion and Cracking on Bond Behavior of Reinforced Concrete Member
Abstract: Reinforced concrete, as composite material has occupied special place in the modern construction of different type of structure. Reinforced concrete is inherently durable and near maintenance free construction material. 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 of steel, eventually causes cracking of concrete. The composite action of …
Published in Journal of Structural Engineering and Management · Vol. 4, Issue 2, 2017 · pp. 58–67 Read article
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Geopolymer Concrete Composites and its Properties- A Clean and Sustainable Development
Abstract: Production of geopolymer composites, an inventive and environmentally friendly substitute for regular Portland cement concrete, involves the polymerization of several industrial waste materials, including fly ash, powdered granulated blast furnace slag, silica fume, and rice husk ash, using solutions that are very alkaline. Because this technique removes the requirement for calcination, which is a significant contributor of CO2 emissions during the manufacturing of OPC, GPC is more ecologically friendly. Alkaline …
Published in Journal of Polymer & Composites · Vol. 12, Issue 3, 2024 · pp. 284–300 Read article
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Experimental Study and Comparative Analysis of Fly Ash, GGBS, and Silica Fume in Nominal Concrete and Ternary Blended M25 Concrete
Abstract: This study examines the effects of partially substituting 30% of cement by weight with ternary supplemental cementitious materials (TSCMs) with mix proportions of M1, M2, and M3. These materials include fly ash (10%,15%,15% in M1, M2, and M3), ground granulated blast furnace slag (GGBS) (10%,8%,10% in M1, M2, and M3), and silica fume SF (15%,10%,5% in M1, M2, and M3) on the mechanical and durability properties of M25 grade concrete …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 43–50 Read article
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Performance Evaluation of Modified Concrete Incorporating Fly Ash, Silica Fume, Rice Husk Ash, and Calcium Nitrate
Abstract: The growing demand for sustainable and high-performance concrete has led to the incorporation of supplementary cementitious materials (SCMs) and chemical admixtures to enhance mechanical and durability properties. This study investigates the effect of 15% fly ash, 10% silica fume, 10% rice husk ash, and 3% calcium nitrate as a partial replacement for cement in M25 and M30 grade concrete. Experimental results demonstrate that the modified concrete exhibited an increase in …
Published in Journal of Structural Engineering and Management · Vol. 12, Issue 2, 2025 · pp. 35–39 Read article
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Investigation on the mechanical characteristics and productivity of GGBS based geopolymer mortars
Abstract: It has been known for decades that geopolymer will significantly replace cement's function in construction industry. Geopolymer has low creep and shrinkage and a peak compressive strength. That is as per a recent study, geopolymer mortar is made by Fly ash and GGBS. The composition includes (100-60%) GGBS with a 10% substitution of fly ash. Alkali activators used in the research are sodium hydroxide (NaOH) and sodium silicate (Na2SiO3). In …
Published in Journal of Polymer & Composites · Vol. 12, Issue 2, 2024 · pp. 253–264 Read article
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Effectiveness of Concrete Retrofitted with FRP Wrapping Subjected to Higher Temperature
Abstract: This work aims to provide additional insight into the behavior of fiber-reinforced polymer (FRP) laminates at high temperatures. The compressive properties of concrete coated in fiber-reinforced polymer (FRP) under elevated heat levels. The study addresses the important issue of assessing the performance of structural elements, specifically concrete columns, in the event of a fire. Recently, there has been increased interest in fiber-reinforced polymer (FRP) composite materials as a possible concrete …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 17–28 Read article
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Compressive Behavior of Concrete Using Plastic Coarse Aggregate
Abstract: Plastic disposal is one of the main problems for environment due to its very low biodegradability and presence in large quantities. Every industries and shopkeepers mostly use plastics, so it is present in very large amount in the environment. E-waste plastics are used to replace coarse aggregates for making concrete mixes. Variations of the aggregates are available in three different sizes with the quantity of 5–15% of waste plastic coarse …
Published in Recent Trends in Civil Engineering & Technology · Vol. 6, Issue 2, 2016 · pp. 43–46 Read article