Protective structure for reserved hole of working well

• Main Authors: GAO YU, SONG LEI, TONG JIAHUAN, HU XUANCHENG, WANG HUJUN, HE XIAOWEI
• Format: Patent
• Language: Chinese; English
• Published: 30.04.2024
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; SHAFTS; TUNNELS

The utility model discloses a protective structure for a reserved hole of a working well, which belongs to the technical field of protective structures for reserved holes and comprises a first section of well wall, a second section of well wall and a third section of well wall which are all made of reinforced concrete. The first section of well wall, the second section of well wall and the third section of well wall are constructed one by one from top to bottom, an upper isolation steel plate with a downward opening is installed in the second section of well wall when reinforcing steel bars are bound, and a lower isolation steel plate with an upward opening is installed in the third section of well wall when reinforcing steel bars are bound. According to the utility model, a sulfur mortar protection mode is adopted before and during construction, so that on the premise that the size of the hole is accurately controlled and the structure safety is strictly mastered, the rapid breaking process of the hole of th