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Sustainability 2017, 9(9), 1444; doi:10.3390/su9091444

A Bamboo Treatment Procedure: Effects on the Durability and Mechanical Performance

1
Sustainable Developments in Civil Engineering Research Group, Faculty of Civil Engineering, Ton Duc Thang University, Ho Chi Minh City, Vietnam
2
University Savoie Mont Blanc, LOCIE-CNRS UMR 5271, 73000 Chambéry, France
*
Author to whom correspondence should be addressed.
Received: 18 July 2017 / Revised: 9 August 2017 / Accepted: 10 August 2017 / Published: 23 August 2017
(This article belongs to the Special Issue Sustainable and Resource–Efficient Homes and Communities)
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Abstract

Bamboo is a natural material having a fast reproduction and high mechanical strengths. However, when a bio-based material in general, and bamboo in particular are expected to be a construction material, their sensitivity to moisture and their durability are usually questionable. Indeed, it is well known that these materials do not possess the same performance in the long-term, when compared to industrial materials. Sustainable solutions for the bamboo treatment still need to be investigated. The present study explores the oil-heated treatment with different types of oils, like flax or sunflower oils. The present investigation concentrates on mechanical properties and durability of treated bamboos to assess the effectiveness of these kinds of treatment. First, bamboo specimens were treated to decrease their sensitivity to moisture and improve their durability. Different conditions of treatment were tested: treatment at 100 °C or 180 °C; with flax oil, sunflower oil, or without oil; treatment durations of 1 h, 2 h, or 3 h; and, different cooling methods and cooling durations. Then, mechanical and durability tests were carried out on untreated and treated bamboos: uniaxial compression tests, 3 points bending tests, water immersion tests, and humidity tests. The results showed that some tested treatment methods could increase both the durability and the compressive strength of treated specimens, compared to untreated bamboo. The best results were observed on specimens treated at 180 °C during 1 h or 2 h without oil, and then cooled in 20 °C sunflower oil. View Full-Text
Keywords: bamboo; durability; oil treatment; heat treatment; mechanical characteristics bamboo; durability; oil treatment; heat treatment; mechanical characteristics
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Bui, Q.-B.; Grillet, A.-C.; Tran, H.-D. A Bamboo Treatment Procedure: Effects on the Durability and Mechanical Performance. Sustainability 2017, 9, 1444.

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