Abstract
A steel–bamboo SI (skeleton–infill) system with steel frame as the skeleton and bamboo box as the filler is proposed, which realizes the requirements of building assembly and sustainable development. As a first step in studying the seismic behavior of the steel–bamboo SI (skeleton–infill) system, a simplified plane steel frame–bamboo infilled wall structure is tested under low-cycle reversed loading in this paper. The deformation mode, failure mode, hysteretic behavior and energy dissipation performance of the system are discussed. The test showed that the steel frame and the bamboo infilled wall were well connected and could work together. Then, the formulas for calculating the lateral stiffness of the system and the axial stiffness of the equivalent diagonal brace which replaced the infilled wall are obtained by theoretical analysis. The error between theoretical calculation and test results was about 1.3%, which proved the correctness of the proposed formula.
Highlights
In recent years, the bamboo has replaced wood as a new type of material and suddenly becomes very popular
When the displacement was loaded to 20 mm by actuator, the first crack appeared at the cementation seam of the cover panel, and it developed at a length of 30 cm from top to bottom
The fourth crack appeared due to the out-of-plane buckling failure of the cover panel, and the crack developed from the middle position to the top and the bottom
Summary
The bamboo has replaced wood as a new type of material and suddenly becomes very popular. Modern engineering materials [1] such as bamboo veneer, laminated bamboo [2] and bamboo scrimber [3] which are able to be applied in housing can be produced. The bamboo house has good seismic performance and can resist the magnitude 7 earthquake in India and the magnitude 7.8 earthquake in Hyogo of Japan [4]. After the major earthquake in Wenchuan (China) on May 12, 2008, the bamboo anti-seismic living rooms were designed and constructed by one of the authors [5]. The engineering bamboo can be used in bridge construction. Hunan University has built the world’s first 10-m-long bamboo bridge in Lei yang City, Hunan Province (China). Due to the small elastic modulus of bamboo, the stiffness of bamboo structure is insufficient, and the
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