Project for Zhengchangzhuang Dianli Tunnel project, which runs through Wanshoulu Station of Metro Lin...

Project for South-to-North Diversion main canal project, which runs underneath through Wukesong Stati...

The subway underpass project of Beijing Wanshou Road electric power tunnel

Wanshou Road Electric Power Tunnel is a section of the 110KV electric power tunnel crossing Subway Line 1 from the Zhengchangzhuang Thermal Power Plant to Balizhuang Transformer Substation along the west red line of Wanshou Road. Measuring about 300m long, it crosses underneath Fuxing Road and Wanshou Road Station of Subway Line 1 from south to north. It is a small-sized shield tunnel with an inner diameter of 3m, with 250mm thick reinforced concrete paddles. On the south side of the tunnel a lau...

220KV Tuanjie Lake Power Tunnel Traversing Underground Railway

The“Chaoyang-to-Tuanjie Lake 220kV Power Transmission”project is a cable project linking the existing 500kV Chaoyang Substation and the newly-built 220kV Tuanjie Lake Substation in east Beijing. To meet the requirements for cable laying, 4 power tunnels needed to be built for the power transmission project. Of the 4 tunnels, the power tunnel laid nearby the red line at East Qingnian Road passes through both North Chaoyang Road from south to north and Qingnian Road Station of Metro Line 6. The...

220KV Power Transmission from Changping, Beijing to Eight Recipients

The 220KV power transmission tunnel from Changping to eight power recipients has been laid along Changping Road (Badaling Expressway), East Road of Qinghe Township and West Road of Nanmafang. The tunnel starts at the portal of the existing power tunnel at the flyover area of Shangqingqiao at the North 5th Ring Road and finishes nearby Dianlanxiaojian on the north side of No.1 Road at Yongtaidongli, with the total length reaching 2631.481 meters. The 2.6m×5.1m shallow-buried excavation composite ...

The frame bridge of the north-ring water system on Beijing Dongwai Xiejie over the Subway Airport Lin...

Dongzhimenwai Xiejie Project is a municipal supporting project of Dongzhimen Traffic Hub and the north-ring water system was a newly dug river course. Dongwai Xiejie uses the frame bridge structure to span over the north-ring water system. The frame bridge is a two-hole box culvert (11.5m-11.5m) and under the box culvert is the airport subway tunnel. In order to protect operation safety of the Subway Airport Line during the construction of the bridge, the jacking construction technology was adopt...

Beijing Chongwenmen heat tunnel underpass through Subway Line 2

The newly constructed heat tunnel crosses the subway area with the shallow buried-tunneling method. It is a double-cave section with a flat top and vertical walls, and the tunnel top roof is closely clinging to the bottom cushion of the subway structure. Before digging the subway underpass, a grouting room was established to grout in advance to consolidate the soil under the subway structure which would be impacted by the construction. When erecting the steel grating, a jack was established in th...

Jacking culvert and access line underpass at Beiyuan East Road of Beijing

According to the planned routing, Beiyuan East Road needs to cross underneath Subway Line 13 and Beijing-Baotou Railway. The underpass adopts the four-hole box culvert structure (10m-12.5m-12.5m-10m). Finally the access line jacking culvert design was adopted after study. That means to build a temporary access line for the Subway Line 13 on the north side of the crossing point. When Subway Line 13 transferred to the access line, the pre-fabricated box culvert of Beiyuan East Road was erected in p...