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What Is A Raft Foundation? EP6: Foundation Series In this video, we discuss the principles behind the raft foundation. We explain how focused force is needed for high pressure, and how the raft foundation spreads the load over the soil to prevent uneven settlement. We use the analogy of a waiter carrying cups on a tray to illustrate the concept. The raft foundation is particularly useful for soft soils and mid-rise frames, but it struggles with wildly variable ground or buildings that are too he

On the occasion of “Calder: Hypermobility” at the Whitney Museum of American Art, we filmed the works from our collection that would be set into motion over the course of the Whitney’s exhibition. From motorized and hanging mobiles to a bronze and a wall sculpture, these videos show the myriad ways in which the artist explored movement in his practice. Watch the full series on our YouTube channel: http://bit.ly/2tkUVYT (Video: Two Spheres, 1931. © 2017 Calder Foundation, New York / Artists Right