典型砖木结构房屋抗震加固方法研究

Experimental Study on the Seismic Strengthening Method for Typical Masonry-Timber Structures

砖木结构房屋在全国分布广泛,砖木结构的震害很大一部分来源于墙体的破坏和倒塌,所以做好砖木结构房屋的抗震,墙体应是关键因素。根据实地调研及相关震害资料,总结了砖木结构的形式及分布,提出了墙体抗震加固方法。以典型砖墙围护木结构房屋为原型,利用振动台试验验证加固措施的效果。试验表明墙体拉结措施在地震作用水平较高时,能有效减小加速度和位移反应。

Masonry-timber structures are widely distributed throughout our country. Wall destruction and collapse are main causes of economic losses and casualties. Therefore wall is a key factor to seismic resistance of masonry-timber structures. The form and distribution of masonry-timber structures were summarized based on the earthquake damage survey and the field investigation. The seismic strengthening method of wall was proposed according to the characteristics of earthquake disaster. In order to verify the effect of the strengthening method,a shaking table test on a model of typical masonry-timber structure was carried out. The test results showed that connecting measure of wall could significantly reduce the reaction of acceleration and displacement under the high level earthquake.