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Lateral Resistance of Shear Walls in Light Wood Frame Houses-Experiment and Fe Modeling

Author: ZuoXinYu
Tutor: ZhuEnChun
School: Harbin Institute of Technology
Course: Structural Engineering
Keywords: Light wooden structure Shear Nail Connection Initial stiffness Capacity Test FEM
CLC: TU366.2
Type: Master's thesis
Year: 2007
Downloads: 176
Quote: 5
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Abstract


20 In the 1990s, the introduction of China's economically developed coastal North American light wood frame house. Most of these areas the basic wind pressure exceeds the national standard \issues to be further studied. Lightweight wooden structure lateral force resisting system is mainly composed by the floor and wall. Lateral load transfer through the floor to the wall, and then passed to the foundation. Therefore, the wall is a lightweight wooden structure to resist lateral loads important member of the lateral force resisting shear bearing capacity is the study of light wood frame lateral load resistance of the key issues. Foreign researchers have begun very early on light wood frame wall of theoretical and experimental research. After decades of development, people light wood frame wall bearing performance has been more profound understanding. But for light wood frame wall of research is still in its infancy. In addition, domestic nail bending stiffness and impact resistance by Wood and foreign nails are also differences, which also affects the shear load-bearing properties. Based on the seven groups of different sizes and configurations of shear walls pilot study on the shear loads in the lateral stiffness of the bearing capacity and performance, as well as the destruction of phenomena and shear failure mode of a deeper understanding. Shear load for each group - displacement curves were fitted using the same formula, so as to lateral shear bearing capacity analysis provides a convenient. This paper focuses on the wall width, window and door openings and decorative materials for wall bearing performance, mainly the following conclusions: the use of homemade nail wall lateral force to meet performance requirements; composed by the multi-block panels The shear wall is equal to its respective panel corresponds to the sum of single wall sheet capacity, rather than in the initial stiffness of each panel corresponds to the initial stiffness of single wall pieces and large lot; specification does not consider door and window openings, the bottom wall column the contribution of shear bearing capacity for the practice of conservative; gypsum wall board can significantly improve the performance of lateral force resisting load. In order to break through the test conditions, the paper establishes the finite element analysis model shear wall paper test results well validated this finite element model in predicting the applicability of shear bearing performance. According to finite element analysis results, the predicted lateral load resistance of shear walls empirical formula to extend the scope of more sizes of wall, so convenient for engineering applications.

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CLC: > Industrial Technology > Building Science > Building structure > The structure of the soil, brick, stone,bamboo,wood > Bamboo,wood structure > Wooden structure
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