An Environmental Assessment of Interlocking Concrete Blocks Mixed with Sugarcane Residues Produced in Okinawa

Bruno Ribeiro, Tadaaki Uchiyama, Jun Tomiyama, Takashi Yamamoto and Yosuke Yamashiki
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Bruno Ribeiro: Graduate School of Advanced Integrated Studies in Human Survivability, Kyoto University, Kyoto 606-8501, Japan
Tadaaki Uchiyama: Quality Control Department, Kyoritsu Corporation, Uruma 904-1111, Japan
Jun Tomiyama: Faculty of Engineering, School of Engineering, Civil Engineering Program, University of Ryukyus, Nishihara 903-0213, Japan
Takashi Yamamoto: Graduate School of Engineering, Department of Civil and Earth Resources Engineering, Kyoto University, Kyoto 606-8501, Japan
Yosuke Yamashiki: Graduate School of Advanced Integrated Studies in Human Survivability, Kyoto University, Kyoto 606-8501, Japan

Resources, 2020, vol. 9, issue 8, 1-11

Abstract: The use of sugarcane residues in mortar and concrete is believed to contribute to the reduction of environmental problems, such as the reduction of mining of natural aggregates as well as the improper disposal of sugarcane residues. Therefore, in this study, bagasse fiber and bagasse sand were added into the preparation of the interlocking concrete blocks, and the flexural strength and an environmental assessment of the blocks were analyzed. The flexural strength of the blocks was not affected by the addition of the bagasse fiber and bagasse sand. In addition, the environmental load of interlocking concrete blocks using sugarcane residues was lower than the blocks using conventional aggregates due to the greater simplicity of acquisition of the residues. Moreover, in the scenarios where the blocks are supposedly made on smaller islands, the emissions increased due to long-distance transportation, since conventional aggregates come from other islands.

Keywords: sugarcane bagasse fiber; sugarcane bagasse sand; flexural strength; interlocking concrete block; environmental assessment (search for similar items in EconPapers)
JEL-codes: Q1 Q2 Q3 Q4 Q5 (search for similar items in EconPapers)
Date: 2020
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