| 摘要 |
<p>Described herein is a structure that comprises a plurality of spherical triangular units on a plurality of levels. The structure has a superior ability to survive disasters such as tornadoes, hurricanes, earthquakes etc. It is cost-efficient, energy efficient, extremely durable and easily maintained. The plurality of spherical triangular units on one level of the plurality of levels are essentially identical to each other, and are essentially equally spaced radially relative to a center of the sphere; each of the plurality of spherical triangular units comprises three planar panels, each with an end surface comprising a minor arc of a great circle of the sphere; a spherical triangular unit on a level above the first level of the structure is configured to be joined with two neighboring spherical triangular units on the level below; the structure is substantially a dome.</p> |
