The Use of Post-Tensioned Slab on Grade Technology in Trinidad
A detailed Study of the Value Engineering Solutions Proposed Using the PTi Method for Foundation Design & Construction
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Expansive clays. Known to Trinidadians as "Sappotee" clays are notorious for causing much distress to private domestic and commercial structures built in the south and central regions of the island. To counteract this phenomenon geotechnical engineers would typically recommend expensive, deep foundations even if the building is classified as a light-weight structure. The construction sector was booming and the government housing sector was in overdrive with its "Affordable Homes For All" programme. The construction of these simple, light-weight structures on expansive clays was plagued with de...
Expansive clays. Known to Trinidadians as "Sappotee" clays are notorious for causing much distress to private domestic and commercial structures built in the south and central regions of the island. To counteract this phenomenon geotechnical engineers would typically recommend expensive, deep foundations even if the building is classified as a light-weight structure. The construction sector was booming and the government housing sector was in overdrive with its "Affordable Homes For All" programme. The construction of these simple, light-weight structures on expansive clays was plagued with delays due to building during the rainy season and this quickly became a nightmare to local contractors. However, the dismal setting did have a silver lining. An engineer lead contracting firm decided to master the PTi based technology, become a certified installer and burst onto the scene with an attractive value engineering solution. Contractors became very receptive to the alternate approach and many of them were able to recover the losses incurred time-wise, rescue their projects and save a substantial amount money in the process.