Application case of pipeline expansion joint in Xiamen Metro Line 1 Bidding Section Project

Project Cases | 2022-09-16

Application case of pipeline expansion joint in Xiamen Metro Line 1 Bidding Section Project

The official website of Shanghai Songjiang Shock Absorber Group Co., Ltd. will introduce to you: pipeline expansion joint in Xiamen Metro Line 1 Bidding Section Project information, Songjiang Group provides pipeline shock absorber products for many urban subway projects, including pipeline expansion joint, Corrugated compensators, metal hoses, spring shock absorbers and other products, the following is the introduction of pipeline expansion joint and corrugated compensators provided by Songjiang Group for the second bid section of Metro Line 1 of the project.

Introduction to Xiamen Metro Line 1 Bidding Section Project

Line 1 runs through Xiamen from north to south, connecting important groups such as Siming District, Huli District and Jimei District. Passing through the prosperous old city, there are dense buildings around the station, the stratum is rich in water and sand, the underground pipelines are intricate, the interval boulders and bedrock bulges are serious, and the geological conditions are very complex. It is currently the most difficult subway line in China.

Xiamen Metro Line 1 is the first line of Xiamen Metro to open for operation, and it is also a north-south line in the Xiamen Rail Transit Line Network. The full-scale construction started in April 2014, the whole line was completed in March 2017, and the trial operation began on December 31, 2017.

Xiamen Metro Line 1 is 30.3 kilometers long and has 24 stations, including 17 general stations and 5 transfer stations. Xiamen Metro Line 1 starts from Zhenhai Road Station in the south of Siming District, Xiamen Island, connecting important groups such as Siming District, Huli District, Jimei District, and finally Yannei Station, Houxi Town, Jimei District. It is a backbone line that radiates northward from the island to form a cross-sea fast connection channel. The line has a depot of Gaoqi parking lot.

Xiamen Metro Line 1 (Zhenhai Road – Yannei) is a radial skeleton line from Xiamen Island to Jimei, which builds a fast cross-sea connection between Xiamen Island and Jimei, and serves Xiamen North Station. The logo color is Minnan Red.

Xiamen Metro Line 1 has a total length of 30.3km with 24 stations. Line 1 generally runs north-south, connecting important areas of Siming District, Huli District, and Jimei District. Metro Line 1 is constructed along the important north-south development axis of the city. It starts at Zhenhai Road Station in Siming District, and is laid along Zhenhai Road, Wenyuan Road, Hubin Middle Road, Hubin South Road, and Jiahe Road, and is located at Gaoji Seawall and Jixinghai. The embankment crosses the sea and leaves the island in an elevated and ground way; after crossing the sea, it is laid underground again, along Xingjin Road, Chengyi Street, and the planned Hengshan Road, and finally in the rocky area on the north side of Xiamen North Railway Station in Houxi Town, Jimei District. stand.

Contract introduction of pipeline expansion joint in Xiamen Metro Line 1 Bidding Section Project

Pipeline expansion joint in Xiamen Metro Line 1 Bidding Section Project

Performance characteristics of pipeline expansion joint:

Small size, light weight, good elasticity, convenient installation and maintenance
It can produce lateral, axial and angular displacement during installation, which is not limited by the lack of center of the pipeline and the non parallelism of the flange
When working, it can reduce the noise transmitted by the structure and has strong vibration absorption ability