Post Tensioned Mat Foundation Case History

May 06 2017 some of the observations made during extraction of results from etabs v 9 7 4 for design of reinforced concrete members are being share in this article.

Post tensioned mat foundation case history.

And recompaction below foundation elements for site preparation were limited in depths due to the. Post tensioned slab and mat foundation respectively and underlain by compacted fill reinforced with geogrid see figure 2. Usually a sign in the garage or stamp in the slab will indicate if your home has a post tension slab. Post tensioned foundations are designed using the post tensioning institute pti method first published in 1980 and recently updated with its 3rd edition.

Post tensioned concrete in building construction post tensioned foundations 1. Introduction while the use of prestressing in superstructures is well established foundations have only rarely been prestressed. A post tension slab is a concrete slab or foundation that contains high tension cables running through the concrete to increase strength and reduce cracking typically in areas with poor soil conditions. Djan chandra p e.

Apart from certain technical considerations this may be due to some conservatism inherent in foundation engineering. Journal 012807 case histories w ad layout 1 2 1 2007 1 11 pm page 91. Those were heady times in the history of post tensioned concrete. Aside from the reinforcement the construction of the foundation is the same as a conventional system.

It had been used in building construction for only a few years starting in the mid to late 1950s primari ly in lift slab buildings and a few parking structures.