ソフトランディング耐震補強におけるRC柱の破壊性状制御に関する実験的研究

概要

論文の詳細を見る
The authors are developing a new retrofitting method for relatively low seismic performance buildings, especially for soft-first-story buildings. The new column, which has the base-isolation system at its middle height, is attached to the existing column by the compression force with PC bars. The existing column will fail in shear during an earthquake, and then the building becomes to be base-isolated. A series of experimental tests of the short-spanned columns by attaching the steel frames at the bottom and top were conducted to study design criteria of the compression force and verify a relationship between shear-span ratio and failure mode. The following conclusions were obtained: 1) By examining the stress condition at the connection surface between the columns and the steel frames, the design criteria, which relates to the shear forces and bending moment, of the compression force were obtained; 2) From the test results, the assumed failure mode was verified..
一般社団法人日本建築学会の論文
2008-03-25