Novel anti-seismic prestressed high-strength concrete pipe pile

The utility model relates to the technical field of concrete pipe piles, and discloses a novel anti-seismic prestressed high-strength concrete pipe pile which comprises a first pipe pile, a second pipe pile and a connecting threaded column. Wherein the first pipe pile is in lap joint with the upper...

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1. Verfasser: CHEN DABIN
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:The utility model relates to the technical field of concrete pipe piles, and discloses a novel anti-seismic prestressed high-strength concrete pipe pile which comprises a first pipe pile, a second pipe pile and a connecting threaded column. Wherein the first pipe pile is in lap joint with the upper end portion of the second pipe pile, the connecting threaded column is arranged in a cavity between the first pipe pile and the second pipe pile, and mousing hooks are movably hinged to the two sides of the lower end of the connecting threaded column through pin shafts. When two tubular piles need to be in butt joint, an operator firstly screws and inserts the connecting threaded column into the lower port of the first tubular pile, and then inserts the connecting threaded column at the lower end of the first tubular pile into the upper end of the second tubular pile after the second tubular pile is embedded underground. And at the moment, the anti-falling hook at the lower end of the connecting threaded column is