Seismic analysis of an isolated and a non-isolated light-frame timber building using artificial and natural accelerograms

IF 0.7 4区 地球科学 Q4 GEOCHEMISTRY & GEOPHYSICS Bollettino Di Geofisica Teorica Ed Applicata Pub Date : 2014-01-01 DOI:10.4430/BGTA0093
L. Sancin, G. Rinaldin, M. Fragiacomo, C. Amadio
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引用次数: 7

Abstract

Light-frame construction is used extensively for low and medium rise timber buildings. These buildings are light-weight and have a high dissipative capacity which, on the other hand, may imply significant structural and non-structural damage at the end of a high intensity earthquake ground motion, leading to potentially significant economic losses. Passive base isolation is by far the most effective way to reduce the effect of an earthquake on a structure. In this paper, the use of Friction Pendulum System isolators is investigated for a three-storey light-frame timber building. Two designs of the same building, with and without passive base isolation, were carried out according to Eurocodes 5 and 8 and the Italian technical regulation for construction. The buildings were then analysed using linear and non-linear methods. The seismic performance and cost of both solutions are compared, demonstrating the convenience of using passive base isolation.
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使用人工和自然加速度对隔离和非隔离轻框架木结构进行地震分析
轻框架结构广泛应用于中低层木结构建筑。这些建筑物重量轻,具有高耗散能力,另一方面,这可能意味着在高强度地震地面运动结束时严重的结构和非结构损坏,导致潜在的重大经济损失。到目前为止,被动基础隔离是减少地震对结构影响的最有效方法。本文研究了摩擦摆系统隔振器在一栋三层轻框架木结构建筑中的应用。同一建筑的两种设计,有和没有被动基础隔离,根据欧洲规范5和8以及意大利建筑技术法规进行。然后使用线性和非线性方法对建筑物进行分析。对比了两种方案的抗震性能和成本,证明了采用被动基础隔震的便利性。
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Bollettino Di Geofisica Teorica Ed Applicata
Bollettino Di Geofisica Teorica Ed Applicata 地学-地球化学与地球物理
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期刊介绍: The "Bollettino di Geofisica Teorica ed Applicata" is an international open access journal dedicated to the publication of original papers dealing with Deep Earth Geophysics, Near Surface Geophysics, Exploration Geophysics, Borehole Geophysics, Geodynamics and Seismotectonics, Seismology, Engineering Seismology, Geophysical Modelling, Geodesy, Remote Sensing, Seismic and Geodetic Networks, Oceanography, and their application in the fields of Energy, Natural Resources, Environment and Climate, Policies and Regulations, Risk and Security, Technological Development.
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