Patent ID: 8499513
Filing Date: 2013-08-06
Classification: E02D

Abstract:
1. A tower foundation structure comprising: a central shaft having a diameter to match a tower to be mounted on the foundation structure; a storage tank disposed proximate the central shaft, the storage tank comprising one or more voids for containing non-cementitious materials as fill as ballast to stabilize the central shaft, the storage tank further comprising a peripheral shell; and a plurality of radially extending structural members for coupling the central shaft to the peripheral shell, each structural member comprising pre-cast concrete, cast-in place concrete, reinforced concrete, pre-stressed concrete, pre-tensioned concrete and post-tensioned concrete, the structural members coupling the central shaft to the storage tank, the structural members comprising a top surface corresponding to the top surface of the peripheral shell and adjacent side surfaces, the side surfaces spanning the depth of the peripheral shell along the entire length of the structural members.