既存中高層集合住宅の耐震補強と補強量の分析 : RC、SRC系中高層集合住宅の耐震診断・耐震補強に関する研究

概要

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This paper described the analyzed results of seismic diagnosis and seismic retrofit design on the 29 existing RC and SRC mid-to-high-rise apartment houses. Especially authors analyzed about seismic retrofit method, retrofit effectiveness and retrofit amount etc. from seismic retrofit design data. As results, the following useful items are made clear. Here the retrofit amount means equivalent length of retrofit by braced frame per 100m^2 of the total sum of floor area taking account various kind of proposed retrofit method. 1. Ratio of the buildings which could be retrofitted under continuous building use, to the total is only 28% but ratio of the buildings which could be retrofitted under partial restrict to continuous use reaches to 76%. 2. Planed retrofit amounts are 0.75m/100m^2 to the RC buildings constructed before 1971, 4.09m/100m^2 to the RC buildings in 1972-1980, 1.12m/100m^2 to the SRC buildings of open web members, 2.35m/100m^2 to SRC buildings of full web members.
一般社団法人日本建築学会の論文
2002-03-20