Strength and Durability Characteristics of Coconut Fibre Reinforced Earth Cement Blocks

IF 2.8 3区 工程技术 Q1 MATERIALS SCIENCE, TEXTILES
Kirupairaja Thanushan, Y. Yogananth, P. Sangeeth, Juthathatheu Gracian Coonghe, N. Sathiparan
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引用次数: 47

Abstract

ABSTRACT The study investigated the improvements in post-peak resistance induced by the introduction of coconut fiber in earth cement blocks. Earth cement blocks reinforced by coconut fiber of various fiber weight fractions were tested under axial compression and flexural loading to examine the response of the material in terms of peak load-carrying capacity, post-peak residual strength and toughness. It was observed that the coconut fiber reinforcement greatly improved the residual strength, ductility and energy absorption of the earth cement blocks. For durability, against the alkaline attack and the acid attack was reduced by the addition of coconut fiber in the mortar. Similar durability improvement shows against freeze-thaw and wet-dry cycle.
椰子纤维加筋土水泥砌块的强度和耐久性特性
摘要本研究探讨了在土石水泥砌块中加入椰子纤维对其峰后阻力的改善作用。采用不同纤维重量分数的椰子纤维增强土石水泥砌块,在轴压和弯曲荷载作用下进行试验,考察材料在峰值承载能力、峰后残余强度和韧性方面的响应。结果表明,椰子纤维增强土水泥砌块的残余强度、延性和吸能性均有显著提高。为了提高耐久性,在砂浆中加入椰子纤维可以降低砂浆的碱性和酸性。在冻融和干湿循环中,耐久性也有类似的提高。
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来源期刊
Journal of Natural Fibers
Journal of Natural Fibers MATERIALS SCIENCE, TEXTILES-
CiteScore
6.20
自引率
22.90%
发文量
419
审稿时长
>12 weeks
期刊介绍: The Journal of Natural Fibers presents new achievements in basic research and the development of multi-purpose applications that further the economical and ecological production of hard fibers, protein fibers, seed, bast, leaf, and cellulosic fibers. An international panel of academics, researchers, and practitioners examines new processing methods and techniques, new trends and economic aspects of processing natural raw materials, sustainable agriculture and eco-friendly techniques that address environmental concerns, the efficient assessment of the life cycle of natural fibers-based products, and the natural reclamation of polluted land.
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