Experimental Investigation Into Banana Fibre Reinforced Lightweight Concrete Masonry Prism Sandwiched with GFRP Sheet

Abstract

This paper presents the stress-strain behaviour of Natural Banana microfibre reinforced Lightweight Concrete (LWC) prisms under axial compression. The compressive strength of masonry is obtained by testing stack bonded prisms under compression normal to its bed joint. LWC blocks of cross-sectional dimensions 200 mm x 150 mm were used to construct the prism with an overall height of 630 mm. Three series of specimens were cast; (a) prism without Banana fibre (control), (b) prism with Banana microfibres, (c) prism with Banana microfibres sandwiched with Glass Fibre Reinforced Polymer (GFRP) sheets. Natural Banana fibres were used as structural fibre reinforcement at different volume fractions (VF). The results indicate that the presence of fibres helps to improve the strength, stiffness, and ductility of LWC stack bonded prisms under compression. The test results also indicate that banana fibre reinforcement provides an improved crack bridging mechanism at both micro and macro levels. The GFRP sandwiched prism specimens exhibited excellent ductility and load-carrying capacity resulting from improved plastic deformation tolerance under compression and bonding between the LWC block and GFRP sheet.

Influence of biomass ash and coconut shell in scrap steel fiber reinforced concrete

“…Figure 15 depicts the linear regression plot used to develop a correlation between compressive strength and splitting tensile strength. The empirical equation developed, to correlate splitting tensile strength with compressive strength with a high regression value (R 2 = 0.98) is given by equation (6). The previous research equations correlating splitting tensile strength with the compressive strength of coconut shell concrete with sisal fiber, polypropylene fiber and steel fiber reinforcement are given by equations ( 7), ( 8) and ( 9) respectively.…”

“…Aside from cement replacement and natural coarse aggregate replacement, several studies on the mechanical behaviour and durability characteristics of fiber-reinforced concrete have been conducted over the last two decades. A variety of synthetic fiber and plant fibers such as polyolefin, glass, carbon, polypropylene, banana fiber, sisal fiber, caryota fiber, roselle fiber, jute fiber, and coconut fiber are used as reinforcement in concrete nowadays to improve the mechanical strength and ductility characteristics of both normal and light weight aggregate concrete [6], [7], [8], [9], [10], [11]. Even though synthetic fibers have better thermal resistance, mechanical strength and durability, when compared to natural fibers, plant fibers are much preferred nowadays, due to their low cost and highly renewable nature [12], [13], [14], [15].…”

Study on the performance of GFRP strengthened, fiber reinforced lightweight foam concrete

“…As a result, plant fibres are favoured, as they are low-cost, readily available, and entirely regenerative, resulting in a long-term sustainable concrete solution [7]. Many studies have recently been conducted to investigate the performance of natural and synthetic fibres in lightweight concrete [8,9]. This section highlights a few of the research findings.…”

Pamuk-Sentetik Bileşenli Lif Katkısı ve Genleştirme Ajanı Miktarlarının Otoklavsız Gazbetonun Teknik Özelliklerine Etkileri

“…Lif malzemeler, doğal ve yapay orijinli olabilmektedir. Uzun zamandır süre gelmekte olan gazbeton içeriğinde lif kullanımı çalışmaları sonucunda malzemenin iyi yönde etkilendiği birçok araştırmacı tarafından rapor edilmiştir (Mobasher and Li 1996, Perez-Pena and Mobasher 1994, Bonakdar et al 2013, Rasheed and Prakash 2017, Vijayalakshmi and Ramanagopal 2020a, Vijayalakshmi and Ramanagopal 2020b, Rasheed and Prakash 2015, Sukmana et al 2019. Doğal ve yapay orijinli lifler yapıları gereği otoklavlama işlemi esnasında yüksek sıcaklık ve basınç etkisi altında bozundukları için otoklavlanmış gazbeton üretimlerinde lif kullanımı istenilen sonucu verememektedir.…”