原文传递
Reliability Analysis of Lateral Bracing Forces in Metal-Plated Wood Trusses
| 题名： | Reliability Analysis of Lateral Bracing Forces in Metal-Plated Wood Trusses |
| 其他题名： | ANSI/TPI(American National Standards Institute/Truss Plate Institute).(2014)."National design standard for metal plate connected wood truss construction."ANSI/TPI 1-2014,Alexandria,VA. |
| 正文语种： | 英文 |
| 作者： | Xiaoqin Liu |
| 关键词： | Lateral bracing force;Metal-plated (MP) wood truss connection;Out-of-plane rotational stiffness;Reliability analysis;Structural safety and reliability |
| 摘要： | This paper presents a reliability study of metal-plated (MP) wood truss webs laterally braced by single or double braces, and the results provide a reference for amending relevant prescriptions in truss design codes. The objectives of the study were to: (1) characterize specific random variables that are involved in the single-braced or double-braced MP truss web systems; and (2) conduct reliability-based analyses to quantify the bracing forces of such systems based on the characterized random variables. Experimental studies were performed to evaluate one of the random variables, namely the out-of-plane rotational stiffness of the MP connection. Moreover, three-dimensional numerical models were constructed to simulate the structural responses of the single-braced and double-braced truss web systems subjected to eccentric loads applied. Reliability analyses were then performed using response surface method. Results of the reliability analyses show that the conventional 2％ rule is conservative and a rational lateral-to-axial-load ratio of 1.25％ may provide MP truss bracing designers a supplement solution when MP truss joints are fabricated in compliance with the relevant manufacturing and handling provisions and other system stability implementations (e.g., roof sheathing and diagonal bracing) are present. |
| 出版年： | 2017 |
| 论文唯一标识： | P-26Y2017V143N12018 |
| 英文栏目名称： | TECHNICAL PAPAERS |
| doi： | 10.1061/(ASCE)ST.1943-541X.0001908 |
| 期刊名称： | Journal of Structural Engineering |
| 拼音刊名(出版物代码)： | P-26 |
| 卷： | 143 |
| 期： | 12 |
| 页码： | 218-227 |
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