1. Project Overview
Central Park Tunnel, located in Shannan New District in Huainan, Anhui Province, is a municipal undercrossing tunnel with bi-directional four lanes. In a single-box, double-hole structure, it runs through the artificial lake in the Central Park. The side walls on the approach roads will be decorated with reliefs which show the local culture, while th e openings of hidden holes will be set up with landscape and artistic sketches in combination with hole-top greening, thus achieving a harmonious integration between the structure and external views.
2. Technical Features and Innovative Points
1) The outlet pipe space of the waste water pump was smartly reserved in the tunnel.
2) The deep foundation pits in the weak expansive soil layer have been excavated by soil nails in combination with the offload platform, which was supplemented by a complete de-watering and drainage system so as to ensure the safety in construction.
3) Structural self-drainage was stressed, with deformation joint, construction joint and other joint waterproofing taken as the key points. A variety of waterproof and drainage measures were jointly applied so that the waterproof and drainage facilities were arranged more reasonably to reach the waterproof and drainage demand.
4) “Tunnel board + fire-retardant coating" scheme adopted for interior design to reflect smooth and bright traffic guidance, improve wall reflectivity, and enhance lighting effect.
5) The modelling shaded structure was used at the entrances into the tunnel, which improves the flexibility and dynamism of the whole landscape in the site areas with practical functions realized.
6) Energy saving light bands were used for tunnel lighting. Inside the tunnel, several artistic lighting sections were set, providing a beautiful visual experience to drivers and passengers, as if they were admiring a splendid picture scroll while driving through the tunnel.
7) The modelling shaded structure was used, which improves the flexibility and dynamism of the whole landscape, with practical functions realized.
8) Inside the tunnel, several artistic lighting sections were set, providing a beautiful visual experience to drivers and passengers.
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