Nanchang Metro Line 1 extension line enters the interval shield construction

Author:Jiangnan Metropolis Daily Time:2022.08.02

Jiangnan Metropolis News reporter Zhang Na, intern Fu Yusu, and Chen Yifu Photography report: On July 31, the first batch of "Changsheng No. 1" and "Pioneer One" shield machines independently manufactured in Nanchang were respectively. The extension of the Line Line and Yaohu East Station successfully started. This marks the formal landing of equipment manufacturing "Nanchang Building Nanchang", and also marks the official entering the interval shield construction of Nanchang Metro Line 1 extension. The lake area sounded the assault angle.

Shield machine departure

"Changsheng No. 1" and "Pioneer No. 1"

According to reports, the "Changsheng No. 1" and "Pioneer No. 1" shield machines at the beginning were jointly built by Nanchang Rail Transit Group and China Railway Engineering Equipment Group. In June this year, it was successfully launched in Nanchang Rail Transit Industrial Park. The shield machine weighs more than 500 tons, 83.89 meters long, and the excavation diameter is 6.28 meters. For the first time, it is equipped with new technologies such as intelligent driving system, tunnel three -dimensional scanning system, wall thickness grouting quality monitoring system, and tube deformation monitoring system. Further improve the safety, environmental protection, and efficiency of tunnel construction.

Among them, "Changsheng No. 1" successfully started from Line 1 of Line 1 of Line 1 of China Railway Guangzhou Engineering Bureau Group Co., Ltd., which will dig into the upward line from Laqiao Station to Shuanggang Station. The "Pioneer No. 1" is successfully launched at Dongyan Yaohu East Station, which was built by China Railway Fifth Bureau Group Co., Ltd., and will dig the upward line from Yaohu East Station to Machu Station.

The first batch of "Nanchang -made" shield machines have created the precedent of the manufacture of rail transit equipment in our province. It not only saves cost investment for the construction of rail transit in Nanchang, but also greatly improves the efficiency of equipment entry.

Nanchang Metro Line 1 extension line construction site (aerial photography)

The progress of the extension of Metro Line 1 is progressing smoothly

In the first half of this year, all participants in Nanchang Metro faced the difficulties to overcome a series of difficulties such as tight construction period, heavy tasks, high construction difficulties, and high risks. Complete the goals of major nodes on schedule.

The annual investment of the north extension project of Line 1 of Line 1 has a cumulative investment of 912 million yuan, and the annual planned investment is 55.47%. The current two stations are undergoing the construction of the pile base platform and the pile of the piles. The construction of the inheritance, pier body, and cover beams are undergoing the transition section of the two Ming excavation sections.

The annual investment of the east extension of Line 1 has invested 410 million yuan, and 55.45%of the annual planned investment has been completed. The current one station is undergoing the main structure to complete, and the surrounding structure of one station is under construction.