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首页> 外文期刊>Bulletin of Earthquake Engineering >Simplified engineering tools for seismic analysis and design of traditional Dhajji-Dewari structures
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Simplified engineering tools for seismic analysis and design of traditional Dhajji-Dewari structures

机译：传统Dhajji-Dewari结构的地震分析和设计的简化工程工具

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This paper presents simplified engineering tools for seismic analysis of traditional Dhajji-Dewari structures, a concentrically braced timber frame with masonry infill, within the context of vulnerability assessment of existing stock, strengthening and restoration of historical heritage and feasibility analysis of future construction projects. Similar like structures can be found in various parts of America, Asia, Europe and the Middle-East. The study included tools for the evaluation of lateral force-deformability characteristics of Dhajji walls using non-linear static pushover analysis, simplified models for nonlinear dynamic time history analysis of Dhajji wall structures subjected to ground shaking, and simplified models for seismic performance evaluation of Dhajji wall structures using hand calculations. Three full scale Dhajji walls tested quasi-static-cyclically, with additional 18 tension and bend tests on timber frame connections, at the Earthquake Engineering Center of Peshawar are analyzed to understand the damage mechanism and salient features of the system in resisting lateral load, retrieve lateral force-deformability behavior, hysteresis response and viscous damping (energy dissipation) of Dhajji walls in order to calibrate tools for nonlinear static and dynamic seismic analysis of Dhajji wall structures. Applications are shown on the seismic performance assessment of example structures and design of new construction schemes. The findings from the present research study can provide help on the seismic performance evaluation of similar like concentrically braced timber frame masonry wall structures.
机译：本文介绍了用于简化传统Dhajji-Dewari结构（带有砖石填充物的同心支撑木构架）的地震分析的工程工具，以评估现有存货的脆弱性，加强和恢复历史遗产以及未来建设项目的可行性分析。在美国，亚洲，欧洲和中东的不同地区都可以找到类似的类似结构。这项研究包括使用非线性静态推覆分析评估Dhajji墙的侧向力-变形特性的工具，经过地面震动的Dhajji墙结构非线性动态时程分析的简化模型以及Dhajji的抗震性能评估的简化模型使用人工计算的墙结构。在白沙瓦地震工程中心分析了三个全尺寸的Dhajji墙，进行了准静态循环测试，并在木框架连接处进行了额外的18个拉力和弯曲测试，以了解系统在抵抗侧向载荷，取回时的破坏机理和显着特征。 Dhajji墙的横向力-变形性能，滞后响应和粘性阻尼（能量耗散），以便为Dhajji墙结构的非线性静态和动态地震分析校准工具。在示例结构的抗震性能评估和新施工方案的设计中显示了应用。本研究的发现可为类似同心支撑木框架砌体墙结构的抗震性能评估提供帮助。

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