Post Tensioned Mat Foundation Case History

Post tensioned slab and mat foundation respectively and underlain by compacted fill reinforced with geogrid see figure 2.

Post tensioned mat foundation case history.

And recompaction below foundation elements for site preparation were limited in depths due to the. A case history of geogrid versus aggregate piers for settlement mitigation. Djan chandra p e. Introduction while the use of prestressing in superstructures is well established foundations have only rarely been prestressed.

Post tensioned mat foundation design ingenuity structural 9 may 20 08 04 the attached vsl technical report entitled post tensioned foundations is a bit dated but still relevant. Comments observations regarding modelling in etabs doc no. 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. Usually a sign in the garage or stamp in the slab will indicate if your home has a post tension slab.

Those were heady times in the history of post tensioned concrete. 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. Journal 012807 case histories w ad layout 1 2 1 2007 1 11 pm page 91. Post tensioned concrete in building construction post tensioned foundations 1.

Post tensioned foundations are designed using the post tensioning institute pti method first published in 1980 and recently updated with its 3rd edition.