关于两次世界大战之间建筑物的抗震性能

Bulletin of the Polytechnic Institute of Iași. Construction. Architecture Section Pub Date : 2022-07-18 DOI:10.2478/bipca-2021-0030

L. Gruia

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引用次数: 0

摘要

摘要:本文讨论了地震区内大多建于两次世界大战之间且仅为重力作用而设计的多层建筑。典型的结构体系是钢筋混凝土框架和砌体填充。为了评估其抗震能力，选择了一种常见的多层战争间结构。对其动态特性进行了现场测量。根据现场测量对数值模型进行了校正。提出了两种提高抗震性的方法。第一种方法是通过重塑而不是强化来提高弹性。第二种方法是对第一种方法的补充。它包括加固填充框架，以承担地震荷载。

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On the Seismic Resilience of Interwar Buildings

Abstract This paper deals with multi-story buildings erected mostly in interwar period in seismic areas and designed for gravitational actions only. The typical structural system is reinforced concrete frames and masonry infills. A usual multi-story interwar structure was chosen in order to evaluate its seismic resilience. There were made in situ measurements for its dynamic characteristics. The numerical model was calibrated according to in situ measurements. There were proposed two methods of increasing the seismic resilience. First method consists in improving the resilience by reshaping without reinforcing. The second method is additional to the first. It consists in reinforcing infilled frames in order to take over seismic loads.

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Bulletin of the Polytechnic Institute of Iași. Construction. Architecture Section

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