Chacón Revelo, Daniel M.

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Torsion experiments with Puerto Rican bamboo: Development of methodology and initial results
(2023-05-15) Chacón Revelo, Daniel M.; Papadopoulos, Christopher; College of Engineering; Acosta Costa, Felipe J.; Saffar, Ali; Harries, Kent; Department of Civil Engineering; Ciri, Umberto
This research aims to contribute to the use of bamboo as a non-conventional construction material by exploring and conducting the formulation of a new method for testing whole bamboo culms under direct torsion. Due to the lack of standardized procedures and previous research to perform direct torsion tests on bamboo culms, several brainstorming sessions were conducted, resulting in strategies which were evaluated in a proof of concept phase. After this phase, the most feasible and affordable method was selected. Initial tests were conducted based on 23 specimens of internode segments of the bambusa vulgaris species, harvested in Puerto Rico and stored at the Civil Engineering materials lab, of the University of Puerto Rico, Mayag¨uez. Insights of the initial results, strategies of data collection, exploration of new technologies such as DIC, mechanical properties of shear strength (τ23) and shear modulus (G23), among others, are described in detail along this document.