High Quality Content by WIKIPEDIA articles! An on-grade mat foundation is an above-ground type of foundation used to provide load-bearing capacity in expansive, rocky or hydro collapsible soils. The foundation, or "Wafflemat,” is created by connecting a series of 8?” or 12” high, 19” x 19” thermal-grade heat resistant plastic forms, "Waffleboxes,” set directly on grade, and then monolithically pouring a post tension or rebar re-enforced concrete slab (usually 4” – 8”). No footings are required. The monolithic pour creates concrete beams running throughout the footprint and perimeter. The completed slab then sits on the ground like a raft, the void areas underneath the slab formed by the placement of the forms allowing for expansive soil movement. Данное издание представляет собой компиляцию сведений, находящихся в свободном доступе в среде Интернет в целом, и в информационном сетевом ресурсе "Википедия" в частности. Собранная по частотным запросам указанной тематики, данная компиляция...

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