Performance properties of structural fibred-foamed concrete

Amran, Mugahed; Alyousef, Rayed; Alabduljabbar, Hisham; Khudhair, M.H.R.; Hejazi, Farzad; Alaskar, Abdulaziz; Alrshoudi, Fahed; Siddika, Ayesha

doi:10.1016/j.rineng.2019.100092

Cited by 58 publications

(25 citation statements)

References 23 publications

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“…They also reported that for a density of 800 kg/m 3 , an increase in the fiber volume fraction (from 0.2 to 0.4%) produced a coarser pore structure, in particular in the areas around the fibers. Mugahed Amran et al [ 9 ] investigated the mechanical properties of foamed concrete with densities in the range of 1000–1900 kg/m 3 reinforced with PP fibers at volume fractions in the range of 0.5–3%. They found that the inclusion of the fibers at volume fractions of 0.75 and 1% improved the compressive and flexural strengths of the foamed concrete.…”

Section: Introductionmentioning

confidence: 99%

Mechanical Properties of Natural Fiber Reinforced Foamed Concrete

et al. 2020

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The mechanical characterization of plain foamed concrete (PFC) and fiber-reinforced foamed concrete (FRFC) with a density of 700 kg/m3 was performed with compression and tension tests. FRFC was reinforced with the natural fiber henequen (untreated or alkaline-treated) at volume fractions of 0.5%, 1% and 1.5%. Polypropylene fiber reinforcement was also used as a reference. For all FRFCs, the inclusion of the fibers enhanced the compressive and tensile strengths and plastic behavior, which was attributed to the increase of specimen integrity. Under compressive loading, after the peak strength, there was no considerable loss in strength and a plateau-like regime was observed. Under tensile loading, the fibers significantly increased the tensile strength of the FRFCs and prevented a sudden failure of the specimens, which was in contrast to the brittle behavior of the PFC. The tensile behavior enhancement was higher when treated henequen fibers were used, which was attributed to the increase in the fiber–matrix bond produced by the alkaline treatment. The microscopic characterization showed that the inclusion of fibers did not modify the air-void size and its distribution. Higher energy absorption was observed for FRFCs when compared to the PFC, which was attributed to the enhanced toughness and ductility by the fibers. The results presented herein warrant further research of FRFC with natural henequen fibers for engineering applications.

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Section: Introductionmentioning

confidence: 99%

Mechanical Properties of Natural Fiber Reinforced Foamed Concrete

et al. 2020

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“…Therefore, the optimization of the uses of cement and natural sands in concrete is a priority. Many available by-products and waste materials can be used in concrete, such as the FA, RHA, palm oil fuel ash, limestone waste, SD, slag, silica fume, fibres, glass and rubber waste [3,[7][8][9][10][11][12][13][14][15]. The use of these by-products in concrete for waste management not only reduces the material cost but also the waste management cost [2,11,16].…”

Section: Introductionmentioning

confidence: 99%

Performance of Sustainable Green Concrete Incorporated With Fly Ash, Rice Husk Ash, and Stone Dust

et al. 2021

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The performance of a sustainable green concrete with fly ash (FA), rice husk ash (RHA), and stone dust (SD) as a partial replacement of cement and sand was experimentally explored. FA and RHA have a high silica content, are highly pozzolanic in nature and have a high surface area without any treatment. These by-products show filler effects, which enhance concrete’s density. Results showed that the FA and RHA materials have good hydration behaviour and effectively develop strength at an early age of concrete. SD acts as a stress transferring medium within concrete, thereby allowing the concrete to be stronger in compression, and bending. Consequently, water absorption capacity of the sustainable concrete was lower than that of the ordinary one. However, a little reduction in strength was observed after the replacement of the binder and aggregate using the FA, RHA and SD, but the reduction was insignificant. The reinforced structure with sustainable concrete containing the FA, RHA, and SD generally fails in concrete crushing tests initiated by flexural cracking followed by shear cracks. The sustainable concrete could be categorized as a perfect material with no significant conciliation in strength properties and can be applied to design under-reinforced elements for a low-to-moderate service load.

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“…Lighter and porous materials can absorb noise and retain it. Many researchers have endeavored to improve the properties of hardened concrete [16,17], mainly its acoustic characteristics, which can be used in various construction fields. As reported, the acoustic properties of concrete are usually dependent on their density, exhibiting that the lighter ones, for instance, cellular concrete, will absorb sounder compared to high-density concretes [18].…”

Section: Introductionmentioning

confidence: 99%

Sound-Absorbing Acoustic Concretes: A Review

et al. 2021

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Noise is continuously treated as an annoyance to humans and indeed commotion contamination shows up within the environment, causing inconvenience. This is likewise interesting to the engineering tactic that inclines to develop this noise proliferation. The basics of the sound-retaining proliferation, sound-absorbing properties, and its variables were rarely considered by previous researchers. Thus, the acoustic performance and sound insulation of constructions have gained significance over the last five decades due to the trend for accommodating inner-city flat and multi-story residential building condominiums. Due to this dilemma, the proliferation of high-driven entertaining schemes has engaged extraordinary demands on building for its acoustic performance. Yet, construction industries worldwide have started to mainly use sound-absorbing concrete to reduce the frequency of sounds in opened-and-closed areas and increase sound insulation. As reported, the concrete acoustic properties generally rely on its density, exhibiting that the lighter ones, such as cellular concrete, will absorb more sound than high-density concretes. However, this paper has an objective to afford a wide-ranging review of sound-absorbing acoustic concretes, including the measurement techniques and insulation characteristics of building materials and the sound absorption properties of construction materials. It is also intended to extensively review to provide insights into the possible use of a typical sound-absorbing acoustic concrete in today’s building industry to enhance housing occupants’ efficiency, comfort, well-being, and safety.

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Performance properties of structural fibred-foamed concrete

Cited by 58 publications

References 23 publications

Mechanical Properties of Natural Fiber Reinforced Foamed Concrete

Mechanical Properties of Natural Fiber Reinforced Foamed Concrete

Performance of Sustainable Green Concrete Incorporated With Fly Ash, Rice Husk Ash, and Stone Dust

Sound-Absorbing Acoustic Concretes: A Review

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