EXPERIMENTAL RESEARCH ON BEARING CAPACITY OF JOIST CONSISTING OF ORTHOGONAL OBLIQUE PLACEMENT BAMBOO STRIPS AND A WOODEN FRAME

BAI Wenfeng; YUAN Yuan; SU Hexian; ZHONG Yixian

doi:10.13204/j.gyjzG20021002

Volume 51 Issue 4

Aug. 2021

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BAI Wenfeng, YUAN Yuan, SU Hexian, ZHONG Yixian. EXPERIMENTAL RESEARCH ON BEARING CAPACITY OF JOIST CONSISTING OF ORTHOGONAL OBLIQUE PLACEMENT BAMBOO STRIPS AND A WOODEN FRAME[J]. INDUSTRIAL CONSTRUCTION, 2021, 51(4): 105-110. doi: 10.13204/j.gyjzG20021002

Citation:

BAI Wenfeng, YUAN Yuan, SU Hexian, ZHONG Yixian. EXPERIMENTAL RESEARCH ON BEARING CAPACITY OF JOIST CONSISTING OF ORTHOGONAL OBLIQUE PLACEMENT BAMBOO STRIPS AND A WOODEN FRAME[J]. INDUSTRIAL CONSTRUCTION, 2021, 51(4): 105-110. doi: 10.13204/j.gyjzG20021002

Citation:

BAI Wenfeng, YUAN Yuan, SU Hexian, ZHONG Yixian. EXPERIMENTAL RESEARCH ON BEARING CAPACITY OF JOIST CONSISTING OF ORTHOGONAL OBLIQUE PLACEMENT BAMBOO STRIPS AND A WOODEN FRAME[J]. INDUSTRIAL CONSTRUCTION, 2021, 51(4): 105-110. doi: 10.13204/j.gyjzG20021002

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EXPERIMENTAL RESEARCH ON BEARING CAPACITY OF JOIST CONSISTING OF ORTHOGONAL OBLIQUE PLACEMENT BAMBOO STRIPS AND A WOODEN FRAME

doi: 10.13204/j.gyjzG20021002

1. School of Architecture and Urban Planning, Kunming University of Science and Technology, Kunming 650051, China;
2. Industrial and Design College, Jiangxi Environmental Vocational College, Ganzhou 341002, China;
3. School of Civil Engineering, Kunming University of Science and Technology, Kunming 650051, China

Received Date: 2020-02-10
Available Online: 2021-08-19

Abstract

Abstract

A new type of bamboo-wood composite joist consisting of a rectangular timber frame and two layers of orthogonal oblique placement bamboo strips connected on both sides was proposed. In order to investigate the flexural capacity of the joists, a total of 4 bamboo-wood composite joists in 2 groups of different timber frame forms were tested respectively, the deformation and failure characteristics of the joists were observed. The load-deflection curves of the specimens were obtained. During the test, the split of bamboo strips showed the sign of joist wreck. The joists performed very good ductility because large deflection occurred from the initial wreck to final failure accompanied with the increasing of load. The results showed that the new type of bamboo-wood composite joists could meet the strength and deformation requirements of floor joists for light wooden structures and low-rise cold-formed thin-walled steel buildings under floor load, and strength failure should not occur within the allowable deflection range. The study could prove the engineering application value of such components, and provide a reference for further technical optimization and theoretical analysis.
- bamboo structure,
- joist,
- bamboo strip,
- truss

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References(21)

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