Pre-pressing device of hanging basket for cantilever construction bridge support and pre-pressing loading method

• Main Authors: WU SHUHENG, XUE JUN, WEI ZHENWEI, WANG ZHONGWEN, WU WEI, LEE SANG HOO, LI LONG, SONG RUOWEN
• Format: Patent
• Language: Chinese; English
• Published: 07.03.2023
• Subjects: ASSEMBLY OF BRIDGES; CONSTRUCTION OF BRIDGES; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; FIXED CONSTRUCTIONS; OR VIADUCTS

The invention provides a pre-pressing device of a hanging basket for a cantilever construction bridge support and a pre-pressing loading method, and belongs to the technical field of bridge construction. A pre-pressing device of a hanging basket for a cantilever construction bridge support comprises a telescopic control mechanism, a piston cylinder barrel unit and a pressing unit. The pressing unit comprises a pressing plate, a water storage cavity is formed in the pressing plate, a plurality of on-off doors are arranged along the water storage cavity at intervals, the water storage cavity is divided into a main pre-pressing cavity in the middle and a plurality of auxiliary pre-pressing cavities on the two sides by the on-off doors, openings are formed in the lower sides of the auxiliary pre-pressing cavities, and the openings are sealed through flexible connecting plates; the piston cylinder barrel unit comprises a vertical barrel and a piston, and the upper end of the piston is connected to the telescopic c