n this edition, we celebrate the publication of our 50th AOA Magazine, eighteen years since the first issue was presented in April 2006 under the direction of David Rodriguez. Afterward, Raimundo Lira took over as editor, and later Carlos Alberto Urzúa. During these nearly two decades, an Editorial Committee has been formed by Enrique Browne, Raimundo Lira, Federico Prieto, Federico Prieto, Carlos Alberto Urzúa, Yves Besançon, Tomás Swett, Francisca Pulido, Javiera Benavides, Pablo Riquelme, Se- bastián Rozas, Pablo Altikes, Gabriela de la Piedra, Alberto Texidó and José Rosas. The participation of María de las Nieves Rufin, Soledad Rodríguez, and Pilar Sepúlveda for several years, and later by Draft Diseño in graphic design with Andrea Cuchacovich and journalists CatalinaPlaza, Sofía Arnaboldi and Soledad Miranda, has been outstanding. Finally, the ongoing coordination by Lucía Ríos and Valentina Pérez, who maintain the continuity and organization of the team. A tribute to all of them who, in a generous and committed way, have given thousands of hours to document, write, read, and correct each one of the articles and sections of the magazine, which has achieved a very high level over the last eighteen years, both in its content as well as in its design and layout. In recent issues, we have published contingent and contextualized topics related to the work and problems of our cities and country, which, at the same time, are directly related to various sections of our magazine. For this edition, we wanted to delve into the different alternatives of industrialized architecture, which is in tune with the Ministry of Housing and Urbanism's decision to face the housing emergency that the country is currently experiencing. We are living in an era in which the duration of projects, the rising cost of labor, the delay in obtaining permits/recep- tion by the authorities, and construction times have had a significant impact on the final cost. Faced with this, methodologies such as early integration systems as well as prefabrication and industrialization of housing solutions have led to an important development in the housing industry. The prefabrication of both structural and finishing elements, along with the implementation of certified systems, has allowed indus- trialization to be adopted by the private sector and promoted by the State to solve an urgent housing need. This should serve as a guiding light for other professions and companies to join these more rational and productive solutions. New technologies, BIM methodologies, and the promises of artificial intelligence augur, in terms of industrialized construction, a future of pos- itive solutions for the problems that currently afflict more than 650,000 families who have nowhere to live and no way to protect themselves from the weather. This precarious reality, devoid of the minimum social and cultural standards, can be improved if - as participants in this edition of AOA point out - universities, the State, and private companies coordinate their efforts in this area. EDITORIAL I
HERITAGE
Throughout history, and particularly in the face of the effects caused by catastrophes, emergencies, or even painful periods such as world wars, humanity has witnessed an intensification of creative responses and reactions, which, supported by technology, have solved structural problems that have manifested themselves in a new awareness and ways of life. Exemplary in this sense - in the fields of architecture, urban planning, engineering, and construction - are the prefabricated reinforced con- crete systems that emerged during the post Second World War period in Europe, including the Russian KPD concrete panel system - of which there was a factory in the Valparaíso region of Chile in the 1970s - with which several housing complexes were built using this system. Today they are still standing, perfectly recognizable and preserved, and can be considered as part of our modern heritage. In this regard, and looking at the role of the State in the search for decent housing for the inhabitants of our country, the first article in this issue unveils some of the various initiatives that responded to the social needs and construction technologies at that time. They would be precursors to the development to systematize and industrialize housing solutions in the search for faster installation and an efficient and permanent building system. KPD was one of them. In the second article, Alonso and Palmarola, who have researched and published on the subject in question, make a complete synthesis of the origin of several of these industrialized construction models in the world. Pioneers in prefabrication using reinforced concrete, and highlight the history of how one of these "arrived" in our country. In this context, it confirms that Chile has been part of a global system and that, although THE BEGINNING OF INDUSTRIALIZED HOUSING IN CHILE, ORIGIN AND SYSTEMIZATION (1950-1975); THE ARRIVAL OF A SINGULAR MODEL By: Javiera Benavides + José Rosas
Yves Besançon Prats / Director Revista AOA
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