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The mudroom features post-tension concrete masonry units filled with a spray foam insulation made from tree sap.
And finally we will cast a slab, and post-tension it to failure.
The concept was to build a central core or ‘mast’ using structurally reinforced concrete, and post-tension the floors to the mast - there would be no columns to support the floors.
To control distorting deflections, the K-braces incorporate tie-beams which were sequentially post-tensioned as construction proceeded upwards.
To protect the tendons, calcium chloride and other materials containing chloride must not be used as admixtures in concrete slabs that are to be post-tensioned .
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