Method for relieving and cutterhead repairing of shield machine in weathering groove
A shield machine and cutter head technology, which is applied in earthwork drilling, shaft lining, tunnel lining, etc., can solve the problems of high cost, complicated process, and long construction period, and achieve the effect of low cost, simple process, and controlled quality
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[0064] The Shiziyang Tunnel is newly built on the Guangzhou-Shenzhen section of the Guangzhou-Shenzhen-Hong Kong Express Rail Line. The Shiziyang Tunnel, located in Nansha District, Guangzhou, has a length of 10.8 kilometers on the left and right lines. The tunnel crosses three waterways, Xiaohuli, Shazili and Shiziyang. It is currently the first underwater railway with the longest mileage and the highest construction standards in China. tunnel. The Shiziyang Tunnel has a total length of 10.8 kilometers, a target speed of 350 kilometers per hour, and crosses the river and ocean three times. Among them, Shiziyang has a water surface of 3,300 meters and a water depth of 26.6 meters. It is the main channel of the Pearl River shipping, and the design water pressure is 0.67MPa.
[0065] In September 2010, the left and right shield machines at the entrance of the Shiziyang Tunnel were worn and cracked due to the mud cake on the cutter head, the cutter box was deformed during the tu...
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