| 摘要 |
A SpiralNet device is disclosed. The device is consisted by its number of spiraled bends according to request geometric shape of a concrete column, where Figure 1 shows a SpiralNet for a rectangular shape frame of a concrete column. The spiraled bends are starting from point 1 to point 2 with 135 degree, and continuously followed by 90 degree spiraled bends from point 2 t o point 3 along a side of a concrete column, and from point 3 to point 4 along an adjacent side of the same column, and from point 4 to point 5 the next adjacent side of the same column, and from point 5 to point 6 the continuous adjacent side of the same column, and then finished with the last 135 degree spiraled bend from point 6 to point 7. The measurement of bends are accordin g to any section view which is perpendicular to all edges. The device can be used to construct any shape of concrete column by assembling SpiralNet in a unique order.
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