Use of HVFA Concrete for Sustainable Development: A Comprehensive Review on Mechanical and Structural Properties

Hashmi, A. Fuzail; Shariq, M.; Baqi, Abdul

doi:10.1007/s13369-022-06884-5

Cited by 10 publications

(2 citation statements)

References 190 publications

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“…Increased [46,47] Improved [63] Setting time increased [63,64] Reduced [60,61] Silica Fume Increased at lower replacement but decreased at higher replacement [50] Improved when lesser percentage is added [59] Prolonged the setting time [66] Reduced [59] GGBFS Increased [52,53] Decreased [58] Setting time delayed [56] Higher content of GGBFS increased the segregation and bleeding [58] journal.ump.edu.my/construction ◄ Decreased with the increment of metakaolin in concrete [67] Workability of concrete reduced [64,65] Setting time reduced [64,67] Reduced [67] Agriculture waste (Rice husk ash, sawdust ash etc) Decreased [48,54] Workability Reduced [54] Increased [69] Reduced [69] Domestic waste (glass, plastic)…”

Section: Waste Materials Slump Values Workability Setting Time Segreg...mentioning

confidence: 99%

Green Concrete: An Eco-Friendly Alternative to the OPC Concrete

Hashmi

Khan

Bilal

et al. 2022

Constr.

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The popularity of concrete has resulted in the considerable consumption of natural resources and significant emission of CO2 gas into the atmosphere. The key constituents of the concrete are the cement and the natural aggregates. These major concrete elements are recommended to be replaced with other materials to solve sustainability issues. Hence, by-products like pulverized granular blast-furnace slag, fly ash, rice husk ash, silica fume, recycled coarse aggregates etc., are added to the concrete to utilize the waste products and produce sustainable concrete. Cement manufacturing accounts for 8 to 10% of total global CO2 emissions. The construction industry is progressively adopting green concrete use in buildings because of its inherent benefits and limitations of traditional concrete. Green concrete is available in a variety of forms such as high-volume fly ash concrete, alkali-activated concrete, recycled aggregate concrete, ultra-high performance concrete, geopolymer concrete etc. Green concrete has various environmental, technical, and economic advantages i.e., greater durability, enhanced workability, and pumpability, decreased permeability, controlled bleeding, higher acid resistance, and decreased plastic shrinkage cracking. These properties encourage faster concrete production, shorter curing times, lower construction costs, earlier project completion, lower maintenance costs, and longer service life of construction projects. This review article aims to comprehensively explain the fresh, hardened, and durability properties of green concrete and knowledge gaps in green concrete. The literature revealed that further research is needed to accurately assess the long-term properties, notably creep and shrinkage behaviour of structural or reinforced elements of green concrete.

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Section: Waste Materials Slump Values Workability Setting Time Segreg...mentioning

confidence: 99%

Green Concrete: An Eco-Friendly Alternative to the OPC Concrete

Hashmi

Khan

Bilal

et al. 2022

Constr.

View full text Add to dashboard Cite

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“…Incorporating supplementary cementitious materials (SCMs) in concrete to assess their influence on fresh and hardened properties and durability of concrete has been discussed and widely promoted [8][9][10][11][12][13][14][15][16][17]. The researchers have acknowledged using F-FA to enhance concrete's fresh and hardened properties [4,5,9,[18][19][20][21][22]. The type of F-FA, its chemical composition, and reactivity play a crucial role in imparting the enhanced durability properties of concrete, such as the diffusivity of chlorides in reinforcement corrosion and strength [23,24].…”

Section: Introductionmentioning

confidence: 99%

The Durability of High-Volume Fly Ash-Based Cement Composites with Synthetic Fibers in a Corrosive Environment: A Long-Term Study

et al. 2023

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The utilization of class F fly ash (F-FA) is limited to 15–30% as a substitution for cement. The study intends to tap into the potential of high-volume F-FA as a pozzolan and micro filler by eliminating aggregates. The article presents the long-term behavior of a novel cement composite called no-aggregate concrete (NAC), incorporating 20% ordinary Portland cement (OPC) and 80% F-FA, with polypropylene (PP) fibers in 0.6, 0.8, and 1.0% volume fractions, in a corrosive environment. The bulk diffusion of preconditioned 100 mm cubes reveals that all mixtures’ chloride-binding capacity increases significantly with prolonged exposure. The total chloride content for mixtures M1, M2, and M3 is within acceptable limits as per EN 206. M4 with 1.0% PP fibers shows a higher total chloride content at 2 cm depth. The average chloride content for all mixtures is within 0.4%. The compressive strength of mixtures cured in water is about 90 MPa at 730 days, and is severely affected in the absence of fibers in a corrosive environment. The microstructure of mixtures at 730 days displays a cohesive, compact, continuous matrix, and the presence of unreacted F-FA.

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Ensemble Machine Learning Models to Predict the Compressive Strength and Ultrasonic Pulse Velocity of Sustainable Concrete

Ansari,

Shariq

et al. 2024

Lecture Notes in Civil Engineering

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Use of HVFA Concrete for Sustainable Development: A Comprehensive Review on Mechanical and Structural Properties

Cited by 10 publications

References 190 publications

Green Concrete: An Eco-Friendly Alternative to the OPC Concrete

Green Concrete: An Eco-Friendly Alternative to the OPC Concrete

The Durability of High-Volume Fly Ash-Based Cement Composites with Synthetic Fibers in a Corrosive Environment: A Long-Term Study

Ensemble Machine Learning Models to Predict the Compressive Strength and Ultrasonic Pulse Velocity of Sustainable Concrete

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