Comparative Analysis of Shear Strength Parallel to Fiber of Different Local Bamboo Species in the Philippines

Brian E. Bautista, Lessandro E. O. Garciano and Luis F. Lopez
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Brian E. Bautista: Department of Civil Engineering, De La Salle University, Manila 0922, Philippines
Lessandro E. O. Garciano: Department of Civil Engineering, De La Salle University, Manila 0922, Philippines
Luis F. Lopez: Base Bahay Foundation Inc., Makati 1231, Philippines

Sustainability, 2021, vol. 13, issue 15, 1-21

Abstract: There are limited published studies related to the mechanical properties of bamboo species in the Philippines. In this study, the shear strength properties of some economically viable bamboo species in the Philippines were properly characterized based on 220 shear test results. The rationales of selecting this mechanical property are the following: (1) Shear strength, parallel to the fiber, has the highest variability among the mechanical properties; and (2) Shear is one of the governing forces on joint connections, and such connections are the points of failure on bamboo structures when subjected to extreme loading conditions. ISO 22157-1 (2017) test protocol for shear was used for all tests. The results showed that Bambusa blumeana has the highest average shear strength, followed by Gigantochloa apus , Dendrocalamus asper , Bambusa philippinensis , and Bambusa vulgaris . However, comparative analysis, using One-way ANOVA, showed that shear strength values among these bamboo species have significant differences statistically. A linear regression model is also established to estimate the shear strength of bamboo from the physical properties. Characteristic shear strength is also determined using ISO 12122-1 (2014) for future design reference.

Keywords: Bambusa blumeana; Gigantochloa apus; Dendrocalamus asper; Bambusa philippinensis; Bambusa vulgaris; bamboo; mechanical properties; ISO 22157-1; ISO 12122-1 (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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