A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Surge chamber structure applicable to long-distance pressure diversion tunnel and construction method
The invention discloses a surge chamber structure applicable to a long-distance pressure diversion tunnel and a construction method. The surge chamber structure comprises the pressure diversion tunnel located on the lower portion. Two or more layers of cylindrical surge chambers are arranged on the pressure diversion tunnel. All the surge chambers become larger gradually from bottom to top in a step widening mode. A resistance hole is formed in the center of a bottom plate of each layer of surge chamber. The resistance hole of the surge chamber on the undermost layer is communicated with the pressure diversion tunnel. A top cover is arranged at the top of the surge chamber on the uppermost layer. An exhaust hole is formed in the top cover or the surge chamber on the uppermost layer. In this way, the multistage surge chambers are adopted for adjusting the pressure jointly, the impacting force of a water hammer is relieved through the resistance holes of the surge chambers on all layers, and the pressure of the water hammer is borne by the side walls and the bottom plates of the surge chambers and discomposed onto surrounding rock and a concrete lining structure, so that the water pressure is relived step by step, and the purposes of decreasing structural sections of the surge chambers and reducing project investment are achieved.
Surge chamber structure applicable to long-distance pressure diversion tunnel and construction method
The invention discloses a surge chamber structure applicable to a long-distance pressure diversion tunnel and a construction method. The surge chamber structure comprises the pressure diversion tunnel located on the lower portion. Two or more layers of cylindrical surge chambers are arranged on the pressure diversion tunnel. All the surge chambers become larger gradually from bottom to top in a step widening mode. A resistance hole is formed in the center of a bottom plate of each layer of surge chamber. The resistance hole of the surge chamber on the undermost layer is communicated with the pressure diversion tunnel. A top cover is arranged at the top of the surge chamber on the uppermost layer. An exhaust hole is formed in the top cover or the surge chamber on the uppermost layer. In this way, the multistage surge chambers are adopted for adjusting the pressure jointly, the impacting force of a water hammer is relieved through the resistance holes of the surge chambers on all layers, and the pressure of the water hammer is borne by the side walls and the bottom plates of the surge chambers and discomposed onto surrounding rock and a concrete lining structure, so that the water pressure is relived step by step, and the purposes of decreasing structural sections of the surge chambers and reducing project investment are achieved.
Surge chamber structure applicable to long-distance pressure diversion tunnel and construction method
XIONG JIE (author) / SHEN XIANPING (author) / LAN GUANGYU (author) / LI JUN (author) / FU GUODONG (author) / KE CHANGLONG (author)
2016-02-10
Patent
Electronic Resource
English
IPC:
E02B
HYDRAULIC ENGINEERING
,
Wasserbau
Diversion tunnel and construction arrangement method of diversion tunnel
| European Patent Office | 2023
Surge shaft structure utilizing access tunnel as upper chamber and construction method
| European Patent Office | 2015
Novel long-distance diversion tunnel relay pressurization structure and operation method thereof
| European Patent Office | 2021