Vertical correction device for ultra-deep karst cave cast-in-place pile construction and operation method of vertical correction device

• Main Authors: YANG JIANGLIN, LIU YINGTAO, LI HELI, LIU ZHAO, LIANG JIANHONG, ZHUANG YUEHUAN
• Format: Patent
• Language: Chinese; English
• Published: 23.05.2023
• Subjects: EMBANKMENTS; EXCAVATIONS; FIXED CONSTRUCTIONS; FOUNDATIONS; HYDRAULIC ENGINEERING; SOIL SHIFTING; UNDERGROUND OR UNDERWATER STRUCTURES

The invention relates to the technical field of cast-in-place pile construction, and discloses a vertical correction device for ultra-deep karst cave cast-in-place pile construction. The vertical correction device comprises a damping outer bearing, a threaded groove is downwards formed in the damping outer bearing, and a customized reinforcement cage mold is installed in the threaded groove; the customized reinforcement cage mold comprises a mold outer base, a rubber ring layer, a hoop rib clamping step and external threads, the external threads are arranged on the periphery of the outer side face of the mold outer base, the mold outer base is fixed in the threaded groove through the external threads, the rubber ring layer is glued to the periphery of the inner wall of the mold outer base, and the hoop rib clamping step is arranged at the bottom of the rubber ring layer. And one side of the damping outer bearing is connected with a boss. According to the vertical correction device for ultra-deep karst cave ca