A platform for research: civil engineering, architecture and urbanism
An inspection well comprises a well seat, a well shaft and a well cover. The well shaft comprises multiple sub well shafts, two ends of the sub well shafts are sequentially connected end to end, blocky first protrusions are arranged on the lower end face of each sub well shaft positioned above, first grooves are formed in the upper end face of each sub well shaft positioned below, the first protrusions of the sub well shafts which are adjacent and positioned above are embedded in the first grooves of the sub well shafts positioned below, a second groove is formed in the upper surface of an opening above the well seat, first through holes which vertically extend are formed in the side wall of each sub well shaft, the first through holes of each sub well shaft are up-down correspondingly through, second through holes which vertically extend are formed in the side wall of an opening above the well seat, and the first through holes and the second through hole are up-down correspondingly through, a ventilation nozzle is arranged on the lower surface of the well cover and is of a pipeline structure, the other end of the ventilation nozzle horizontally extends on the lower surface of the well cover, and second protrusions are arranged on the lower surface of the well cover. Gathering of flammable and toxic gas in the well seat can be avoided.
An inspection well comprises a well seat, a well shaft and a well cover. The well shaft comprises multiple sub well shafts, two ends of the sub well shafts are sequentially connected end to end, blocky first protrusions are arranged on the lower end face of each sub well shaft positioned above, first grooves are formed in the upper end face of each sub well shaft positioned below, the first protrusions of the sub well shafts which are adjacent and positioned above are embedded in the first grooves of the sub well shafts positioned below, a second groove is formed in the upper surface of an opening above the well seat, first through holes which vertically extend are formed in the side wall of each sub well shaft, the first through holes of each sub well shaft are up-down correspondingly through, second through holes which vertically extend are formed in the side wall of an opening above the well seat, and the first through holes and the second through hole are up-down correspondingly through, a ventilation nozzle is arranged on the lower surface of the well cover and is of a pipeline structure, the other end of the ventilation nozzle horizontally extends on the lower surface of the well cover, and second protrusions are arranged on the lower surface of the well cover. Gathering of flammable and toxic gas in the well seat can be avoided.
Inspection well
YANG WENRONG (author)
2015-05-20
Patent
Electronic Resource
English
IPC:
E02D
FOUNDATIONS
,
GrĂ¼ndungen
Inspection well construction technology and inspection well
European Patent Office | 2023
|