Dengjiawan Tunnel Rockfall Mitigation Project

2022-11-28

Xide, Sichuan

Project Background

Dengjiawan Tunnel is an important project on the alternate line of the Chengdu-Kunming Railway. The total length of the tunnel is 9,390m. It is an alternate-line tunnel with a maximum burial depth of about 700 meters. The tunnel is located in a mid-mountain landform with large undulations and deep ravines, with a relative height difference between 500mand 900m.

(Target Site)

The Project
The rockfall mitigation project locates above the tunnel gate. It is about 40m from tunnel gate to the top of slope. Unstable rock and debris are the main target of the project.

The Challenge
Steep and irregular slope challenges the construction. Meanwhile, the concrete retaining structure below the system provides certain convenience in installing.

The Solution
After 32 days of intense construction, this railway tunnel is now under protection of nearly 1,300 m² rockfall mitigation system. RXI-150 and RXI-075 are the two systems utilized in this project.

(Project Completion)

Introduction

Target Site

Post Erecting

Ring Net Hanging

Ring Net Sewing

Completion

Project Completion

Introduction

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Dengjiawan Tunnel Rockfall Mitigation Project

2022-11-28

Xide, Sichuan

Project Background

Dengjiawan Tunnel is an important project on the alternate line of the Chengdu-Kunming Railway. The total length of the tunnel is 9,390m. It is an alternate-line tunnel with a maximum burial depth of about 700 meters. The tunnel is located in a mid-mountain landform with large undulations and deep ravines, with a relative height difference between 500mand 900m.

(Target Site)

The Project
The rockfall mitigation project locates above the tunnel gate. It is about 40m from tunnel gate to the top of slope. Unstable rock and debris are the main target of the project.

The Challenge
Steep and irregular slope challenges the construction. Meanwhile, the concrete retaining structure below the system provides certain convenience in installing.

The Solution
After 32 days of intense construction, this railway tunnel is now under protection of nearly 1,300 m² rockfall mitigation system. RXI-150 and RXI-075 are the two systems utilized in this project.

(Project Completion)

Dengjiawan Tunnel Rockfall Mitigation Project

T：2022-11-28 21:42:17

Xide, Sichuan

2022-11-28 21:42:17

Project Background

Dengjiawan Tunnel is an important project on the alternate line of the Chengdu-Kunming Railway. The total length of the tunnel is 9,390m. It is an alternate-line tunnel with a maximum burial depth of about 700 meters. The tunnel is located in a mid-mountain landform with large undulations and deep ravines, with a relative height difference between 500mand 900m.

(Target Site)

The Project
The rockfall mitigation project locates above the tunnel gate. It is about 40m from tunnel gate to the top of slope. Unstable rock and debris are the main target of the project.

The Challenge
Steep and irregular slope challenges the construction. Meanwhile, the concrete retaining structure below the system provides certain convenience in installing.

The Solution
After 32 days of intense construction, this railway tunnel is now under protection of nearly 1,300 m² rockfall mitigation system. RXI-150 and RXI-075 are the two systems utilized in this project.

(Project Completion)