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Sealing anchor cable of waterproof early warning system in inhaul cable anchoring zone and manufacturing and installing method of sealing anchor cable
A sealing anchor cable of a waterproof early warning system in an inhaul cable anchoring zone comprises an inhaul cable body, an anchor, a pre-buried pipe, a protective cover and a waterproof cover, wherein the inhaul cable body is anchored on an anchor bearing plate through the anchor; the protective cover is located at the anchor end, and the waterproof cover is located at the other end of the pre-buried pipe of the inhaul cable body. A gas injection valve I is arranged on the protective cover at the anchor end, a gas injection valve II is installed at the end, far away from the anchor end, of the pre-buried pipe, and the pre-buried pipe is filled with inert gas enabling the anchor to be isolated from oxygen and moisture. An outlet of the gas injection valve I and an outlet of the gas injection valve II are both connected with a pressure early warning system composed of a pressure sensor, a data acquisition instrument, a central processor and a data transmitter. When gas pressure in the pre-buried pipe is lower than a certain pressure value, an early warning signal is provided and transmitted to bridge maintenance institutions or persons through mobile data. A pressure difference isolation device can be arranged in the pre-buried pipe of the sealing anchor cable. The sealing anchor cable can carry out corrosion-resistant protection on the anchor, can achieve monitoring early warning of waterproofness in the pre-buried pipe, and it is guaranteed that the service life of the anchor structure and the service life of a bridge body structure are the same.
Sealing anchor cable of waterproof early warning system in inhaul cable anchoring zone and manufacturing and installing method of sealing anchor cable
A sealing anchor cable of a waterproof early warning system in an inhaul cable anchoring zone comprises an inhaul cable body, an anchor, a pre-buried pipe, a protective cover and a waterproof cover, wherein the inhaul cable body is anchored on an anchor bearing plate through the anchor; the protective cover is located at the anchor end, and the waterproof cover is located at the other end of the pre-buried pipe of the inhaul cable body. A gas injection valve I is arranged on the protective cover at the anchor end, a gas injection valve II is installed at the end, far away from the anchor end, of the pre-buried pipe, and the pre-buried pipe is filled with inert gas enabling the anchor to be isolated from oxygen and moisture. An outlet of the gas injection valve I and an outlet of the gas injection valve II are both connected with a pressure early warning system composed of a pressure sensor, a data acquisition instrument, a central processor and a data transmitter. When gas pressure in the pre-buried pipe is lower than a certain pressure value, an early warning signal is provided and transmitted to bridge maintenance institutions or persons through mobile data. A pressure difference isolation device can be arranged in the pre-buried pipe of the sealing anchor cable. The sealing anchor cable can carry out corrosion-resistant protection on the anchor, can achieve monitoring early warning of waterproofness in the pre-buried pipe, and it is guaranteed that the service life of the anchor structure and the service life of a bridge body structure are the same.
Sealing anchor cable of waterproof early warning system in inhaul cable anchoring zone and manufacturing and installing method of sealing anchor cable
SHI WEI (Autor:in) / TAN WEIWEI (Autor:in) / XIE ZHENGYUAN (Autor:in) / HUA JIANPING (Autor:in) / LIANG LIXIA (Autor:in) / LIN HONG (Autor:in)
23.09.2015
Patent
Elektronische Ressource
Englisch
IPC:
E01D
BRIDGES
,
Brücken
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