| 摘要 |
The prefabrication procedure is designed to manufacture elements consisting of three plane plates, such as the ones used for technical channels, troughs, open channels, etc. and, in the first stage, consists of casting the side plates in the horizontal position and fitting them with loop-shaped barbs [7]. In the following stage, after the setting of the concrete in the plates, they are turned and put in a vertical position, the loop-shaped barbs [7] are tied together, and the central plate, which is also cast in the horizontal position, is thus reinforced.
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