偏在開口を有するRC連層耐震壁のマクロモデルに関する研究

概要

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In this study, a macro-model of a reinforced concrete structural wall is proposed, where the model is composed of column elements and strut and tie elements which represents the wall parts. The proposed model was established by modifying the model proposed by Tekehara et al. to obtain more accurate load-deformation relationships in the case of multi-story walls with eccentric openings. The main modified items are the constitutive law for the concrete and the additional modeling of the concrete struts and tension ties located around the openings. With respect to the former item, the Vecchio-Collins modified constitutive relationship of concrete compressive strength was used to take the transverse tensile strain into account, while the Popovic's constitutive law had been used in the model proposed by Tekehara et al. The proposed model was applied to two of the three-storied reinforced concrete structural walls with eccentric openings, where the adjacent walls between the stories were connected by rigid beam elements and the springs expressed by bi-linear models. The results obtained from the proposed model were compared with those from experiments and the model by Takehara et al. and the adequacy of the proposed model was confirmed.
一般社団法人日本建築学会の論文
2008-03-25