REEXAMINATION OF SEISMIC RESISTANCE OF MUD-PLASTERED WALLS IN WOOD HOUSES BASED ON FULL-SCALE TESTS

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  • 木造住宅土塗り壁の実大実験による耐震性能の再検討
  • モクゾウ ジュウタク ツチヌリ カベ ノ ジツダイ ジッケン ニ ヨル タイシン セイノウ ノ サイケントウ

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To evaluate the seismic resistant capacities of mud-plastered walls usually used in wood houses, full-scale tests by repeated shear loadings were carried out. For various mud-plastered walls, the bearing capacities, deformabilities and coefficients of effective wall-length were examined. The deformation angles at maximum loads are greater than 1/60rad. The average coefficients of effective wall-length of Nakanuri-kabe are 2.8 and 3.7, respectively, without and with a brace. They are enoughly greater than 0.5, which is the standard value determined in the Enforcement Ordinance of The Building Standard Law in Japan. It is indicated that if the joints of the framework are reinforced by some metals such as holdowns to avoid the separation of the framework, mudplastered walls can be used as the bearing walls.

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