LARGE SUPERFLAT POSTENSIONED FLOORS CONSTRUCTION TECHNOLOGY

Daniel Díaz, Carlos Videla

Abstract


The main objective ofthis paper is to document the Chilean experience on the application oj'the postensioned super fíat floors construction technology. The advantages of this solution are presented and compared with other types of slabs on grade, highlighting the need of super fíat floors in warehouses with high racks for storage. The construction process and the required tools to adequately apply this technology are described, and three cases of actual construction Jobsperformed in Chile are analyzed. Also problems appearing during the construction process are presented and the adopted solutions are described. Finally, subjects requiring further research on the long temi behavior, performance and durability of postensioned superflat floors are recommended.

Keywords


Super flat floors, postensioning, slabs on grade, F number, construction techniques, case studies, concrete.

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