Abstract
Traditional Chinese wood residences consist of timber frames with masonry infill walls or other types of infill, representing valuable heritage. A field investigation of traditional village dwellings in northern China consisting of timber frames with mud and stone infill walls was conducted. Their construction characteristics are reported, and static cyclic tests were performed on two full-size wood-stone hybrid walls with different configurations (exterior transverse wall and internal transverse wall) and no openings (doors or windows). Their failure mechanics and seismic capacity, i.e., the strength, stiffness, ductility, and energy dissipation, were investigated. The results are compared with a previous experimental study of two full-size timber frames with the same traditional structure but no infill to determine the effect of the mud and stone infill on the lateral resistance. The experimental results indicate that the stone infill has a critical influence on the lateral performance of traditional village buildings, resulting in a high lateral stiffness, high strength (>20 kN), and a high ductility ratio (>10). An increase in the vertical load leads to an increase in the lateral resistance of the timber frame with infill walls, larger for the internal transverse wall than the external gable wall. The incompatibility of the deformation between the timber frame and stone infill is the main failure reason, resulting in falling stones and collapse with undamaged timber frames. Suggestions are provided for the protection and repair of traditional wood residences in northern China.
Highlights
Faculty of Architecture, Civil and Transportation Engineering, Beijing University of Technology, Beijing Institute of Housing and Urban-Rural Construction Science and Technology, Beijing 101160, China; School of Civil and Transportation Engineering, Beijing University of Civil Engineering and Architecture, Abstract: Traditional Chinese wood residences consist of timber frames with masonry infill walls or other types of infill, representing valuable heritage
In order to understand the seismic performance of the hybrid structure of timber frames with mud and stone infill, two full-scale hybrid wall specimens were reproduced and built for static cyclic in-plane loading tests, according to the field investigations
The results and discussion of the cyclic test are divided into four parts: (1) the description of the experimental phenomena and typical failure modes of the hybrid walls; (2) a discussion of the force-displacement hysteresis curves of the hybrid walls; (3) an assessment of the seismic performance of the hybrid walls; (4) a discussion of the contribution of the infill to the seismic performance based on a comparison with previous test results of timber frames with no infill
Summary
Timberframes frames consisting of four beams and eight columns. Due to the important heritage value of traditional village residences with a timber to theand important heritage value ofistraditional village residences with a timber frameDue structure infill walls, the tendency to protect and repair such traditional frame structure and infill walls, the tendency is to protect and repair such traditional vilvillage residences since they are part of China’s cultural identity. Field investigations traditional village houses and facilitates the repair, reinforcement, and protection of the of buildings with timberheritage frames and mud and stone infillIn walls conducted. Their historical and cultural of traditional villages. The seismic performance of the hybrid wood- hysteresis envelope stiffness, strength, and dissipation of the hybrid stone curves, walls was analyzedcurves, at different positions to reveal theenergy effects of different vertical structure were investigated. Thestone results were compared with theThe load-displacement provide a fundamental understanding the seismicby performances of traditional village scale timber frames with no infill, asofpresented.
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