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EVALUATING AND REDUCING EARTHQUAKE RISKS OF SQUATTER SETTLEMENTS IN ISTANBUL

Abstract
By : Gülçin,Yurdanur, Fatma,Yasemin

 
In Turkey, the process of squatterisation can best be traced to the increase in its urban population from 24 percent in 1950 to 59 percent in 2000. In the periods up to the present, the prevention, improvement and renewal of squatter settlements were not achieved within the existing legal framework and planning structure; and their urban quality has been degraded. The aim of this article is to discuss the upgrading of squatter settlements through a mitigation process considering the possibility of an earthquake in Istanbul. The target groups of this upgrading study are the squatter dwellers and their settlements. In getting prepared for the predicted big Istanbul earthquake, the improvement of squatter housing is extremely important for the existing urban housing stock. With this aim, the undesirable consequences of a possible natural disaster in various squatter settlements in Istanbul were scrutinised. Also, earthquake-forecasting reports were analysed in conjunction with squatter maps to extract data for the purpose of upgrading squatter settlements through rehabilitation, reconstruction and reinforcement at the urban and architectural levels with amelioration of damage after an earthquake. In the article, a model is proposed which includes measures to transform squatter zones into healthy areas by means of simple reinforcement and contemporary solutions. This article is based on a research project requested and sponsored by the Istanbul Metropolitan Municipality during 2003-2004.
Keywords : Squatter Settlements, Earthquake Risk, Upgrading Model, Participation, Design Principles

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