鋼筋混凝土建築物之漸進式倒塌分析之方法探討

A Study on Progressive Collapse Analysis of Reinforced Concrete Buildings

呂偉正(Wei-Cheng Lu)

指導教授 ： 林炳昌

中原大學/工學院/土木工程學系/碩士(2009年)

https://doi.org/10.6840/cycu200900340

摘要

國內較少對建築物漸進式倒塌分析方法加以探討，本文採用了兩棟國內的實體鋼筋混凝土建築物為案例，分別為低樓層建築物(消防隊用途)及高樓層建築物(工業廠房)，依循著GSA及UFC規範所建議之分析流程，比較兩規範之差異性。

此分析採用了四種分析方法，分別為(1)線性靜力分析、(2)線性動力分析、(3)非線性靜力分析及(4)非線性動力分析等方法，考量非線性行為所造成的影響及比較在線性分析上所考量的動態放大因子2.0與動力分析下的結果。

在一般分析上，靜力分析較非線性動力分析易為工程師所接受，因此本研究探討以線性靜力分析使用動態放大因子與動態分析結果對照，確認此作法的可行性。

關鍵字

漸進式倒塌 ； 線性靜力分析 ； 線性動力分析 ； 非線性靜力分析 ； 非線性動力分析

並列摘要

The procedures of progressive collapse analysis of buildings is scarce discussed in Taiwan. Two reinforced concrete buildings were used in this study. One is a low-rise building and another is high-rise building. The results were compared between two suggested analysis procedure form GSA and UFC standard.

This analysis use four kinds of method: (1)linear static analysis, (2)linear dynamic analysis, (3)nonlinear static analysis, and (4)nonlinear dynamic analysis, considering the affection of nonlinear behavior and comparing the results between dynamic amplification factor 2.0 for linear analysis and dynamic analysis.

In general analysis, static analysis was easily accepted for engineers than nonlinear dynamic analysis. Hence, this study considers linear static analysis with dynamic amplification factor and compare the result of dynamic analysis, and confirm the feasibility of this method.

並列關鍵字

nonlinear static analyses ； linear dynamic analyses ； linear static analyses ； progressive collapse ； nonlinear dynamic analyses

參考文獻

[21] 蔡孟豪，盧俊愷，林秉輝(2008)，”漸進式崩塌分析方法之案例探討”，結構工程Vol.23, No.3, pp.109~129.

[3] Shalva Marjanishvili (2004), “Progressive Analysis Procedure for Progressive Collapse”, Journal of Performance of Constructed Facilities,ASCE,Vol.18, NO.2,pp.79~85.

[4] John Abruzzo,Alain Matta, Gary Panariello(2006), “Study of Mitigation Strategies for Progressive Collapse of a Reinforced Concrete Commercial Building” , journal of Performance of Constructed Facilities .ASCE ,Vol.20,No.4,pp.384~390.

[5] Shalva Marjanishvili, Elizabeth Agnew (2006), “Comparison of Various Procedures for Progressive Collapse Analysis” , Journal of performance of Construced Facilities, ASCE, Vol.20, No.4, pp.365~374.

[10] Kapil Khandelwal and Sherif El-Tawil (2008), “Assessment of Progressive Collapse Residual Capacity using Pushdown Analysis”, Structures 2008:Crossing Borders, ASCE.