基于Excel Vba和Sap2000 oapi的平面框架结构参数化研究

A. Quansah, Zhi-quan Xiao, Tresor Ntaryamira
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引用次数: 0

摘要

本文观察了关键结构参数梁柱刚度比()对框架构件地震侧向力分布及其相应位移的影响。为此,在软件设施的帮助下,对具有不同梁/柱刚度的10层框架结构的12个样本进行了分析。为了节省框架结构建模和参数化的时间,结合基于VBA的excel软件、Matlab和SAP2000 OAPI的功能,开发了一种编程工具。在此工具的帮助下,可以在SAP2000中自动生成和执行大量帧模型的参数分析,时间更短,只有139.0秒,并且用户输入的费用更少。进行分析的核心兴趣是通过模拟框架的实际形式[SAP2000]和理想化的棒模型[手工计算]来估计各种弱柱/强梁和强柱/弱梁多层框架在地震侧向力作用下的反应。通过对各种模型的分析,将SAP2000框架模型的侧向力分布和位移与手工计算的结果进行了比较。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Parametric Investigation of Plane Frame Structure Using Excel Vba And Sap2000 oapi Based Programming
In this paper, effects of a critical structural parameter, beam-to-column stiffness ratio (on seismic lateral force distribution and its corresponding displacement (s) on frame members were observed. For this purpose, analysis of 12 samples of a 10-storey frame structure having varying beam/ column stiffness was carried out with the help of software facilities. To save time in the modelling and parameterization of the frame structure, a programming tool has been developed combining the functionality of VBA based excel software, Matlab and SAP2000 OAPI. With the help of this tool, parametric analysis of a significant number of frame models can automatically be generated and executed in SAP2000 in a lesser time of 139.0secs and at a less expense of user input. The core interest in performing the analysis is to estimate the responses of varieties of weakcolumn/strong-beam and strong-column/weak-beam multi-story frame subjected to seismic lateral forces by modelling the frame in its actual form[SAP2000] and idealized stick model [hand computation]. From the analysis of the various models, comparison of SAP2000 lateral force distribution and displacement of frame models is made with that of hand calculation.
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