面材耐力壁釘接合部の動的性状に関する実験的研究

概要

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Single shear loading tests of nailed joints were carried out in 6 types of inorganic and wooden sheathed walls with various loading velocities in the range of 0.1-30cm/sec. The followings are the results. In the case of monotonic loading tests, the load increased as the loading velocity increased in all the types. The load ratio was between 1.1 and 1.4. As the loading velocity increased, the maximum load increased with the inorganic elements, and it little changed with the wooden elements. The results of the monotonic loading test were analyzed about the effect of loading velocity. When the loading velocity was in the range of 0.1-3 or 5cm/sec., the load ratio became 1.1-1.25 in proportion to increasing the loading velocity. When the loading velocity exceeded 3 or 5cm/sec, the inclination of the load ratio depended on the displacement. In the small displacement, the load ratio decreased rapidly. As the displacement became larger, the decreasing rate of the load ratio became smaller When the displacement was more than 5mm, the load ratio kept increasing gradually up to 1.2-1.4 at 20cm/sec, and then decreased, in the case of plywood, however, the effect of the loading velocity was little. In the case of cyclic loading tests, the effects of the loading velocity was confirmed.
社団法人日本建築学会の論文
2006-06-30