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The Role Of The Gyroscope Behind The Hong Kong-Zhuhai-Macao Bridge
Nov 21, 2018

The gyroscope is an angular motion detecting device that uses a momentum moment sensitive housing of a high speed rotating body to orbit the one or two axes orthogonal to the rotating axis with respect to the inertial space. The gyroscope is divided into a piezoelectric gyroscope, a micro mechanical gyroscope, and a fiber optic gyroscope. Instruments and laser gyros, they are all electronic, and they can be used with accelerometers, magnetoresistive chips, GPS, to make inertial navigation control systems.

During the construction of the Hong Kong-Zhuhai-Macao Bridge, the construction of the section curved pipe curtain tunnel encountered great construction difficulties, because how to realize the control and docking of the Hong Kong-Zhuhai-Macao Bridge connection line became the "special grade" at the time of the bridge penetration. problem". It is understood that due to the limitation of geographical terrain, the Gongbei tunnel adopts the curved pipe curtain construction technology. Because the tunnel has a section that is not straight, the construction of the super large curved pipe curtain is very difficult.

Finally, the gyroscope technology was adopted to implement the precise docking of the curved line. This is the key control project of the Zhuhai connecting line of the Hong Kong-Zhuhai-Macao Bridge.


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