Earthquake Loading Characterisation for Regions of Low to Moderate Seismicity *Hing-Ho Tsang 1) and Nelson Lam 2) 1) Department of Civil and Construction Engineering, Swinburne University of Technology, Melbourne, VIC 3122, Australia 1) [email protected] 2) Infrastructure Engineering, Melbourne School of Engineering, The University of Melbourne, Parkville, VIC 3010, Australia 2) [email protected] ABSTRACT This article is the first in the special theme session (of the ASEM17 conference) which is aimed at helping engineering practitioners who are engaged in the structural design of buildings to attend to seismic considerations in a tectonically stable region of low or moderate seismic activities. The earthquake loading model is to be decided first in the design process and is the subject matter of the article. As for all articles in the series no prior knowledge on earthquake engineering and structural dynamics is assumed of the readers. Basic principles and generic modelling techniques are explained in the early part of the article for the benefit of those who are not already familiar with the fundamentals. Later sections are fully devoted to the modelling of earthquake actions on rock, and flexible soil, sites in a low to moderate seismicity environment. These are important key features which should be of interests to both the regulators (code drafters) and the design practitioners. 1. INTRODUCTION This article is primarily concerned with the presentation and interpretation of earthquake loads (seismic actions) and how challenges in the modelling of seismic hazards are tackled in a tectonically stable region where locally recorded data is typically lacking. Engineers who are not already familiar with the topic of seismic design are typically directed to consult world acclaimed textbooks including that of Chopra (2017) which places emphasis on the analytical aspects of the seismic design of the structure covering an in-depth treatment on structural dynamics phenomena and their mathematical modelling. Another highly recommended text is that of Fardis (2009) which places emphasis on the philosophies and considerations of seismic design, 1) Senior lecturer 2) Professor
Earthquake Loading Characterisation for Regions of Low to Moderate Seismicity
May 19, 2023
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