Microstructure and Engineering Properties of New and Aged Bamboo as a Construction Material: The Effects of Borax/Boric Solution Treatment

Setthawut Pomphuek; Teewara Suwan; Chayanon Hansapinyo; Suttipong Kamdee; Manop Kaewmoracharoen

doi:10.4028/p-rR9jkx

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Improving the Properties of the Masonry Produced Using Hemp Stalk with Bark Fibre to Meet Standard Strength and Properties of Energy Conserving Construction Material
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Microstructure and Engineering Properties of New and Aged Bamboo as a Construction Material: The Effects of Borax/Boric Solution Treatment
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HomeKey Engineering MaterialsKey Engineering Materials Vol. 1019Microstructure and Engineering Properties of New...

Microstructure and Engineering Properties of New and Aged Bamboo as a Construction Material: The Effects of Borax/Boric Solution Treatment

Abstract:

This study examines the effects of borax/boric treatment on the microstructure and engineering properties of Dendrocalamus asper bamboo, evaluating its suitability as a sustainable construction material. Four types of bamboo—new and aged samples, treated and untreated—were assessed for moisture content, dry density, compressive, and shear strength. Microstructural analysis showed that borax/boric treatment helps preserve cellular structure and stability, especially in new bamboo. Mechanical testing revealed higher compressive strength in treated new bamboo (497.9 ksc) compared to untreated bamboo, and greater integrity in aged treated bamboo over a 10-year period. Untreated bamboo exhibited deterioration, including cracks and insect damage, absent in treated samples. These findings demonstrate that borax/boric treatment improves bamboo’s initial strength and long-term durability, supporting its use in structural applications and promoting sustainable construction with bio-based materials.

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Periodical:

Key Engineering Materials (Volume 1019)

Pages:

111-116

DOI:

https://doi.org/10.4028/p-rR9jkx

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Online since:

June 2025

Authors:

Setthawut Pomphuek, Teewara Suwan*, Chayanon Hansapinyo, Suttipong Kamdee, Manop Kaewmoracharoen

Keywords:

Bamboo as Construction Material, Borax/Boric Treatment, Compressive and Shear Strength, Environmental Durability, Microstructure Analysis

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