April 06, 2020
The damaidi tunnel, a key project in China's western railway network, from Dali to lincang in yunnan province, was completed yesterday, China radio and television reported. The tunnel length of 11.65 kilometers, is located in the western yunnan unique red beds area, belongs to the risk level Ⅰ tunnel. The construction encountered rare complex geology. Construction units continue to optimize the work method.
Li guangjun, deputy chief engineer of the project: we adopted the Early prediction, water control first, short footage, weak blasting, strong support, tight closure, frequent measurement ” Measures, 24 - hour shift operation.
When completed and opened to traffic, the dalin railway will put an end to the lack of railway connections in lincang, yunnan province, and promote the connectivity of transportation infrastructure with neighboring countries.
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