Investigation of the Physical Mechanical Properties and Durability of Sustainable Ultra-High Performance Concrete with Recycled Waste Glass

Sustainability, Journal Year: 2023, Volume and Issue: 15(4), P. 3085 - 3085

Published: Feb. 8, 2023

Construction material sustainability and waste reuse have emerged as significant environmental issues. Concrete is widely used in the building engineering fields. Ultra-high performance concrete (UHPC), which has remarkably high mechanical properties, become one of most common varieties recent years. As a result, substantial amounts Portland cement (PC) are frequently used, raising initial cost UHPC restricting its broad use structural applications. A amount CO2 produced large natural resources consumed production. To make production more eco-friendly economically viable, it advised that PC preparations be replaced with different additives recycled aggregates from various sources substituted for aggregates. This research aims to develop an environmentally friendly cost-effective by using glass (GW) sizes alternative replacement ratios 0%, 10%, 20%, 30%, 40%, 50% utilizing powder (GP). Fine aggregate “sand (S)” also particles (G) 50%, 100%. accomplish this, 18 mixes, separated into three groups, made examined experimentally. Slump flow, water permeability, microstructural characteristics all studied. According results, increasing S ratio G improved workability. Furthermore, ideal replacing GP achieve properties were 20% respectively. Increasing rate place at fixed resulted decrease permeability values. Finally, analysis confirms experimental findings. In addition, PC100-S100 was best mix compared PC100-S50 G50 PC100-G100.

Language: Английский

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Application of Ultra-High-Performance Concrete in Bridge Engineering: Current Status, Limitations, Challenges, and Future Prospects

Buildings, Journal Year: 2023, Volume and Issue: 13(1), P. 185 - 185

Published: Jan. 10, 2023

Ultra-high-performance concrete (UHPC) is a form of cementitious composite that has been the most innovative product in technology over last three decades. broadly employed for design numerous forms construction owing to its excellent mechanical characteristics and durability, studies on behavior have grown fast While utilization ultra-high-performance bridge engineering (BE) limited high costs, little recognized about UHPC various BE elements. As result these issues, comprehensive review current development trends should be conducted determine present state perspective. This study presents state-of-the-art applications BE. also discusses status, limitations, challenges, areas further investigation The aim this research help stakeholders understand distinctive characteristics, benefits, barriers broad applications. understanding will aid increasing entire market share both national worldwide building sectors.

Language: Английский

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Use of waste glass powder toward more sustainable geopolymer concrete

Journal of Materials Research and Technology, Journal Year: 2023, Volume and Issue: 24, P. 8533 - 8546

Published: May 1, 2023

The influence of waste glass powder (WGP) with fly ash in certain proportions on geopolymer concrete (GPC) was investigated by exchanging different molarity and WGP percentages GPC. For this objective, altered having 10%, 20%, 30%, 40%, the effect sodium hydroxide (NaOH) examined. compressive strength tests, splitting tensile flexural tests were conducted. workability setting time also evaluated. With addition WGP, for molarities (M) 11, 13, 16 NaOH reduced an average 17%, 67%, respectively. findings showed that slump values decreased as increased. Molarity significantly affected time, but had no time. Although high increased capacity, a noticeable negative workability. This study demonstrated slight capacity Furthermore, when combined effects taken into account, use 10% M13 recommended to obtain optimum sustainable GPC considering both fresh hardening properties. Scanning electron microscopy (SEM) analysis done samples, too.

Language: Английский

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The use of crushed recycled glass for alkali activated fly ash based geopolymer concrete and prediction of its capacity

Journal of Materials Research and Technology, Journal Year: 2023, Volume and Issue: 24, P. 8267 - 8281

Published: May 1, 2023

The influence of waste glass aggregate (WGA) with fly ash in certain proportions was studied by different amounts molarity and WGA proportion on geopolymer concrete (GPC). For this aim, the values NaoH concentration consumed investigation were determined as 11, 13 16. At end examinations, workability, setting time, compression strength (CS) test, splitting tensile (ST) tests flexural (FS) are performed. conclusions demonstrated that slump increased (WG) percentages decreased. While concerning CS, ST FS combination increased, these test results tend to decrease correspondingly. NaOH altered from 11 16, increase. This examination study demonstrates had also a slight adverse capacity workability. Moreover, use 10% 16 is suggested gain optimum sustainable GPC considering both fresh hardening properties combined molarity. Furthermore, examination, offered models established related those built several standard codes. More importantly an equation derived predict compressive mixture utilized study. Additionally, scanning electron microscopy (SEM) analysis achieved example parts attained examples formed WGA.

Language: Английский

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Sustainable Design of Self-Consolidating Green Concrete with Partial Replacements for Cement through Neural-Network and Fuzzy Technique

Sustainability, Journal Year: 2023, Volume and Issue: 15(6), P. 4752 - 4752

Published: March 7, 2023

In order to achieve a sustainable mix design, this paper evaluates self-consolidating green concrete (SCGC) properties by experimental tests and then examines the design parameters with an artificial intelligence technique. regard, cement was partially replaced in different contents granulated blast furnace slag (GBFS) powder, volcanic fly ash, micro-silica. Moreover, fresh hardened were performed on specimens. Finally, adaptive neuro-fuzzy inference system (ANFIS) developed identify influencing compressive strength of For purpose, seven ANFIS models evaluated input separately, terms optimization, twenty-one assigned combinations inputs. Experimental results reported discussed completely, where represented most effect binary mixes, powder played effective role slump retention among other replacements. However, combination micro-silica as ternary successfully achieved improvement compared designs. Furthermore, showed that binder content has highest governing SCGC. when additive powders, provided strength, which also been verified test results.

Language: Английский

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Shear performance of reinforced expansive concrete beams utilizing aluminium waste

Journal of Materials Research and Technology, Journal Year: 2023, Volume and Issue: 24, P. 5433 - 5448

Published: April 21, 2023

Shear damage is a catastrophic failure in the design of reinforced concrete structural elements. To prevent it, effect aluminum wastes on shear beams was investigated this study. There gap scientific field expanding with aluminium waste, and no research has been done utilizing waste to produce expandable concrete. Moreover, there usage reinforcing, which crucial for engineering applications especially beams, slabs columns. For purpose, experimental investigations were performed total 12 Reinforced Concrete Beams (RCB) different ratio (0, 1, 2 3 vol.%) reinforcement spacing (270, 200 160 mm). The depth span chosen as 1.6, 2.0 2.7. RCB simply supported loading frame subjected four-points bending. As result tests each sample, maximum load, stiffness, ductility energy dissipation capacity calculated. It observed that load Al refuse combined RCBs raises vacancy stirrup reductions compared reference RCBs. Furthermore, it found reduced quantity mixture increased from 0% 3%. However, decrease 1 vol.% could be tolerated. reason, can stated (AW) will contribute beam up 1%.

Language: Английский

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Optimum usage of waste marble powder to reduce use of cement toward eco-friendly concrete

Journal of Materials Research and Technology, Journal Year: 2023, Volume and Issue: 25, P. 4799 - 4819

Published: June 18, 2023

In this study, waste marble powder (WMP) was used to replace cement of concrete in specific amounts. To accomplish aim, WMP replaced at 10%, 20%, 30%, and 40% the weight, a reference sample without (REF) created compare compressive strength, splitting tensile flexural strength. The replacement weight resulted 5.7%, 21.7%, 38.1%, 43.6% decreases strength compared with REF. Furthermore, results commonly followed same trend as However, led 5.3%, 8.6%, 19.4%, 26.7% addition, three different calculations, ranging from simple complex, were proposed compute mechanical resistances WMP. These calculations for practical applications validated using values literature implications obtained current research. While based on REF percentages, complex dependent design mixture, age samples, percentages. For ANN approach help coefficient determination (R2) K-fold-cross validation method. All methods provided high accurate estimation predict properties Based studies, utilizing 10% is recommended obtain optimum benefits considering both environmental aspects. Moreover, scanning electron microscope (SEM) energy dispersive X-ray (EDX) analyses then conducted observe interaction concrete. According SEM analyses, some pores detected ITZ observed reaction zone. On other hand, EDX presence manifested by levels Calcium.

Language: Английский

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Production of perlite-based-aerated geopolymer using hydrogen peroxide as eco-friendly material for energy-efficient buildings

Journal of Materials Research and Technology, Journal Year: 2023, Volume and Issue: 24, P. 81 - 99

Published: March 6, 2023

Using ground raw perlite through alkali activation to produce various construction materials such as plaster, grouting, and concrete can provide economic environmental advantages by reducing Portland cement consumption. It is aimed cementless pastes mortars based on the of standard sand for this study. Perlite activators (NaOH Na2SiO3) were used binding paste mortar. In addition, aerated lightweight produced using hydrogen peroxide (H2O2) a blowing agent. Thus, aeration mechanism sample was examined, changes in apparent density, compressive strength, flexural strength values determined. At same time, thermal conductivity properties investigated. Geopolymers Water/Perlite H2O2/Perlite ratios produced, their conductivity, contrasted. The experimental finding revealed that adding 0.25% H2O2 (by mass perlite) mixtures enabled production with lower density coefficient without significant loss ultimate strength. developed geopolymer eco-friendly energy efficient solution buildings. Based results, H2O2/Perlite% above 0.5% water/Perlite% 45% should be avoided both mortars. order obtain optimum results terms workability, it recommended ratio all samples percentage 40%.

Language: Английский

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Experimental investigation of mechanical properties and multi-objective optimization of electronic, glass, and ceramic waste–mixed concrete

Environmental Science and Pollution Research, Journal Year: 2024, Volume and Issue: 31(46), P. 57158 - 57176

Published: May 28, 2024

Language: Английский

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A Systematic Review of the Strength, Durability, and Microstructure Properties of Concrete Incorporating Glass Powder

Engineering Reports, Journal Year: 2025, Volume and Issue: 7(1)

Published: Jan. 1, 2025

ABSTRACT Concrete is one of the most widely used construction materials worldwide; its primary component, cement, contributes substantially to natural resource depletion and greenhouse gas emissions. Alternative are being explored mitigate these impacts reduce concrete's environmental footprint. This review focuses on potential waste glass powder (GP) as a partial substitute for cement in concrete, examining influence mechanical properties, durability, microstructural performance. Drawing from wide range studies published reputable peer‐reviewed journals (e.g., Wiley, ACI, MDPI, Elsevier), analysis reveals that an optimal GP substitution level 10%–20%, offers significant improvements concrete particularly resistance chloride permeability, sulfuric acid attack, performance under high temperatures. through micro‐filling ability, which reduces porosity pozzolanic reaction, forming secondary calcium silicate hydrate (C‐S‐H) gel enhances binding strength. However, substituting above 25%–30% may compressive strength due decreased flowability increased porosity. Overall, demonstrates considerable eco‐friendly, cost‐effective additive improves resilience supports sustainable practices. not only consolidates existing research but also highlights GP's dual effects microstructure reactions, suggesting further optimization content synergies with other enhance across diverse applications. Therefore, future should optimize investigate broader

Language: Английский

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