Abstract
Mechanical properties of concrete with bamboo chips as a potential source of aggregates have been investigated in this study.The measurement of this investigation includes slump loss, compressive strength, strain at peak compressive stress, modulus of elasticity, compressive toughness ratio, and splitting tensile strength. A 0.5-cm-thick bamboo chip was cut to a 1 cm (width) × 1 cm (height) piece and then dried, wetted, and coated to minimize water absorption.The coarse aggregates in the concrete specimen were replaced with 10%, 20%, and 30% (by volume) of each bamboo chip. The testing results showed that the compressive strength and splitting tensile strength of concrete with bamboo chips decrease with increasing bamboo chip content (BCC). It is considered that the decrease of strengths is due to the weak bond between the mortar and the bamboo chip.
Highlights
Natural aggregates used in construction are gradually being depleted due to industrialization and urbanization
The coarse aggregates in concrete specimens were replaced with bamboo chips, which were treated in different ways that yielded three different types of chips
The coarse aggregates in concrete specimens were replaced with 10%, 20%, and 30% of bamboo chips and cured for 7 and 28 days
Summary
Natural aggregates used in construction are gradually being depleted due to industrialization and urbanization. Over the last few decades, this material has beenincreasingly used in developing countries, owing to its flexibility and resistance to seismic loading. Several studies have considered the use of bamboo-reinforced concrete members as an alternative to the use of steel members [1,2,3,4,5,6]. Ghavami investigated bamboo as a potential replacement for steel rebar and determined the flexural strength of bamboo-reinforced concreteand focused on bamboo as an engineering material, where durability is essential, and treated the bamboo with oil for waterproofing [7,8]. Concrete bricks reinforced with bamboo fibers were arranged vertically and horizontally and subjected to repeated loads
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