Doron Tunnel through the Pan Daga Highway Project

Qinghai News Network · Damei Qinghai Client News Reporter learned from Qinghai Transportation Holding Group Co., Ltd. that on the morning of September 16, with the last hole explosion, after 1096 day and night hard fighting, the G338 Line Disk Da Highway Project The smooth penetration of the Doloron Tunnel marks a breakthrough progress in the construction of the key control projects of the Da Dan project, which has taken a key step towards the realization of the project and opening up of the traffic.

The Doron Tunnel is located in Dazaka Mountain, Merller Town, Tibetan Autonomous Prefecture, Haibei, with an average altitude of more than 3700 meters and a total length of 2840 meters. It is a key control project on the entire Pan University Highway. The geological conditions of the tunnel are complicated. The V -Class surrounding rocks are the main, and the water is rich, unstable and there are coal seams. During the construction and excavation process, there are more than a hundred times such as water and mud, and the construction is extremely difficult. In order to safely and smoothly realize the tunnel penetration, all the participants of the project were twisted into a rope, carrying forward the fighting spirit of "hypoxia without lack of spirit", and facing difficulties, and the safety production concept of "high standards, strict requirements, zero tolerance" runs through the tunnel through the tunnel. In the entire construction process, the tunnel penetration target tasks are completed with quality and efficiency.

Qinghai Provincial Transportation Construction Management Co., Ltd. organizes all participating units to actively coordinate and dock with local governments, and strives to clear the supply chain difficulties of the supply chain of the project construction, etc. Under the premise of the measures, the construction of the project is not stopped in an orderly manner, unswervingly "preventing epidemic prevention, preservation of safety, and promoting production", and fully guarantee the construction of a large -scale project construction.

Source: Xihai Metropolis Daily Author: Xu Baiyin

Disclaimer: Reproduced this article out of the purpose of passing more information and conducive to the law of law. If there is an error or infringe your legitimate rights and interests, the author is requested to contact the Law of Qinghai with the authority. We will correct and delete it in time. Thank you.

- END -