Hong, Chaokun;
Li, Haitao;
Xiong, Zhenhua;
Lorenzo, Rodolfo;
Corbi, Ileana;
Corbi, Ottavia;
(2021)
Experimental and numerical study on eccentric compression properties of laminated bamboo columns with a chamfered section.
Journal of Building Engineering
, 43
, Article 102901. 10.1016/j.jobe.2021.102901.
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Abstract
The eccentric compression behavior of laminated bamboo lumber (LBL) columns with a chamfered section was investigated using eccentricity of 30 mm, 60 mm, 90 mm and 120 mm. The effect of eccentricity ratio on the ultimate bearing capacity, ultimate strain and failure mode was analyzed through eccentric compression tests. The failure modes of LBL columns with different eccentricities were basically same, which belonged to brittle tension failure. With the increase in eccentricity ratio, the ultimate bearing capacity and ultimate strain gradually decreased. The cross-section strain of the specimen was linearly distributed along the height direction, which conformed to the plane section assumption. The lateral deflection curves had similar characteristics under different load levels and could be expressed by sine half-wave curves. Based on the Hill failure criterion, a 3D finite element model was developed to calculate the ultimate bearing capacity of LBL columns with different dimensions under eccentric compression. According to the simulation results and test results, a general empirical formula was proposed considering both the influence of slenderness ratio and eccentricity ratio. The reliability of the proposed formula was verified by comparing the calculated results with the results in the existing literature.
| Type: | Article |
|---|---|
| Title: | Experimental and numerical study on eccentric compression properties of laminated bamboo columns with a chamfered section |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1016/j.jobe.2021.102901 |
| Publisher version: | https://doi.org/10.1016/j.jobe.2021.102901 |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | Laminated bamboo lumber; column; chamfer; eccentric compression; finite element model |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Civil, Environ and Geomatic Eng |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10170651 |
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