Concrete pile used for precast pile foundation structure and provided with drum piece and construction method of concrete pile
The invention discloses a concrete pile used for a precast pile foundation structure and provided with drum pieces and a construction method of the concrete pile, and belongs to the field of buildings. One or more precast drum pieces are integrally formed in a single reinforced concrete pile in a ca...
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Format: | Patent |
Sprache: | chi ; eng |
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