Damage Statistics of the September 19, 1985 Earthquake in Mexico City
Several studies have been made to assess the type and magnitude of the damage caused by the earthquake that shook Mexico City on the morning of September 19, 1985. Grupo ICA (Civil Engineers Associated Group) has participated in all stages of analysis of the effects of this quake, and has prepared a complete study that includes seismicity aspects, characteristics of the earthquake, geological aspects, existing instrumentation, evolution of the codes, definition and behavior of structures, and damage evaluation backed by photogrametric studies and direct inspection of buildings. This paper summarizes part of the study and describes the types of structures that existed in the city and how they were affected by the quake. An important feature of the study is that an inventory of all the existing buildings in the zone of maximum damage was obtained, including such information as type of structure, construction material, and number of levels, in order to compare damaged buildings against existing buildings.
KeywordsResponse Spectrum Soft Soil Damage Building Earthquake Loading Ancient Lake
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