Flexural characteristics of lightweight ferrocement beams with various types of core materials and mesh reinforcement

Shaaban, Ibrahim G.; Shaheen, Yousry B. I.; Elsayed, Essam L.; Kamal, Osama; Adesina, Peter A.

doi:10.1016/j.conbuildmat.2018.03.167

Cited by 48 publications

(12 citation statements)

References 9 publications

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“…The crack pronouncement is less during the loading condition with the ductile capacity of the specimen is superior in performance of loading. EMM make an improvement in the structural indicators such as cracking loads, ultimate loads and ductility of panel [19]. The number of mesh layer contributes to the effective strength achievement only upto a certain limit behind that there will be no effect.…”

Section: Table-ii: Chemical Constituents Of Fly Ash and Ggbfsmentioning

confidence: 99%

Performance of Crumb Rubber Incorporated Ferro Geopolymer Panels under Flexure

2019

IJRTE

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This research work presents the overview of geopolymer mortar application into the ferro cement panel with the incorporation of crumb rubber and Nano fly ash. The geopolymer mortar is prepared by using industrial wastes as a base material such as fly ash and ground granulated blast furnace slag (GGBFS) which generally helps to reduce the level of CO2 emission. Also, the recycled tyre crumb rubber is utilized as a sustainable innovative construction material which is used a partial substitution for sand upto 5% for enhancing the ductility without any strength degradation. These reduces land fill problems and ground water quality degradation problems. Crumb rubber has the ideal capacity to absorb energy from static and other kind of loads. The geopolymer binder preparation is done by utilizing material such as fly ash, GGBFS, alkaline liquid made of NaOH and Na2SiO3 , Nano fly ash. The Nano fly ash is used as an additive which helps in increasing the strength and durability of the element by its pore filling capability. This project aims to enhance the strength of fly ash based geopolymer mortar with the help of GGBFS incorporation. The molarity of alkaline activator, solution to binder ratio and silicate to hydroxide ratio is fixed as 12, 0.4 and 1.5 throughout the process. The mortar cubes and panels were heat cured under hot air oven at 80ᵒ C for 48 hours. The mechanical behavior of geopolymer mortar is assessed by compressive strength test water absorption test. The panel is made of high strength geopolymer mortar and expanded metal mesh with chicken mesh for obtaining higher energy absorption capacity with good deforming ability and less crack pronouncement. The investigation involves finding the initial crack load, ultimate failure load and residual flexural strength ratio. The results show that the tyre inclusion enhances the flexural strength of the ferro geopolymer panel by means of its ductile enhancing capacity

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Section: Table-ii: Chemical Constituents Of Fly Ash and Ggbfsmentioning

confidence: 99%

Performance of Crumb Rubber Incorporated Ferro Geopolymer Panels under Flexure

2019

IJRTE

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“…Expanded metal tubes show improved energy absorbance [26,27] including with additional foams added [28]. Current research relating to expanded metal focuses predominantly on its application as a filter media [29] and its common structural applications [30,31]. Potential for applications in fuel cell technology has also been assessed [32].…”

Section: Introductionmentioning

confidence: 99%

Effect of Relative Density on Compressive Load Response of Crumpled Aluminium Foil Mesh

et al. 2019

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In recent years, a large number of metal foams and porous metals have been developed. Due to the high cost of these materials alternative manufacturing methods for cellular metallic materials are being explored. Crumpled metallic foil meshes, manufactured via die compression techniques, are evolving as a potential alternative method. However, the non-availability of sufficient data on their load response is limiting their uptake. Uniaxial compressive load response of crumpled aluminium foil meshes (CAFMs) of varying densities, forged by open and closed die compression, are studied. A 0.05 mm thick aluminium sheet mesh, manufactured by the expanded metal process is used. X-ray computed micro-tomography is employed to image the CAFM’s internal cellular structure. The stress-strain relation demonstrates that the CAFMs produce identical load response profile irrespective of their relative density. Power law functions ER=17110ρr3.6547 and σY,E=53.092ρr2.2249 define the relationships between real Young’s Modulus ER and effective yield strength, σY,E. The study provides new knowledge on the effect of relative density on the compressive properties of CAFMs which have applications across lightweight structural design.

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“…Ferrocement had become the promising composite material for prefabrication and industrialisation of the construction industry [1][2][3]. The ferrocement mostly used in the strengthening of reinforced concrete beam and column [4][5][6]. However, in Malaysia, its acceptance is delayed, mainly due to its small thickness and labour-intensive method of production [7].…”

Section: Introductionmentioning

confidence: 99%

“…Fibres are added to regulate cracking owing to plastic shrinkage and drying shrinkage, not to enhance concrete strength [11]. One of the essential benefits of ferrocement is the lightweight, elevated tensile to weight ratio, impact resistance, toughness and readily moulded into any shape [12][13][14][15]. Ferrocement offers the opportunity to create a relatively light composite and prefabricated structural elements within 50% of traditional reinforced concrete structures [5].…”

Section: Introductionmentioning

confidence: 99%

“…They also decrease the permeability of concrete, thereby reducing water bleeding. The concept of fibres with a steel reinforcement consists of satisfying the ultimate resistance limit status by reinforcing the metal mesh and controlling cracking under fibre reinforcement service loads [12][13][14]. An extra 0.1% of polypropylene fibres in flat concrete improved 44% in the flexural strength of the concrete [16].…”

Section: Introductionmentioning

confidence: 99%

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Effect of Adding Polypropylene Fibres to Flexural Strength of Ferrocement

Usman¹,

Shaharuddin²,

Mahmudah³

et al. 2019

Proceedings of the Third International Conference on Sustainable Innovation 2019 – Technology and Engineering (IcoSITE 2019)

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Developing a lightweight structure is a increasing trend throughout the globe in the construction industry. For this form of building, Ferrocement, a thin-shell concrete strengthened with continuous wire mesh layers, had been seen as an alternative material. Ferrocement had become the promising composite material for applications of prefabricated components and strengthening. However, the cracking potential attributed to drying shrinkage is high considering the tiny size and big ferrocement surface area. The application of polypropylene fibres (PPF) as secondary reinforcement in ferrocement mortar was used in this study to manage such cracks. This paper introduces the effect of adding PPF to the behaviour of flexural ferrocements. This study revealed that 66.6% of the variation in ferrocement flexural strength was dictated by volume fraction (Vr) under flexural testing; 31.4% by a proportion of PPF (Pf) and 2% by Pf and Vr interaction.

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Flexural characteristics of lightweight ferrocement beams with various types of core materials and mesh reinforcement

Cited by 48 publications

References 9 publications

Performance of Crumb Rubber Incorporated Ferro Geopolymer Panels under Flexure

Performance of Crumb Rubber Incorporated Ferro Geopolymer Panels under Flexure

Effect of Relative Density on Compressive Load Response of Crumpled Aluminium Foil Mesh

Effect of Adding Polypropylene Fibres to Flexural Strength of Ferrocement

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