Shanghai Subway Line 13 Extension Project

Cross-sectional diagram of a tunnel boring machine installation, showing the tunnel excavation process with machinery at the surface and a large tunnel structure underground.

Φ 8.7m STEC ACPP Depth: 31.5m

Project Year: 2023

Architectural section drawing showing soil layers beneath a structure: artificial soil, yellow silty clay, yellowish grey clayey silt, grey silty clay, grey clay, brown green clay, sandy and light powdery soil, and yellow sandy soil.

Project Overview

Project Summary

  • Escape shaft for the Shanghai subway line 13

Jello-Mud Results

  • Demonstrated Jello-Mud’s better lubrication, water-proofing, and annular-ring forming capability in vertical shaft projects.

Two side-by-side graphs with labeled axes in millimeters and percentages, displaying data trends over a vertical scale.

Controlled cumulative inclination to <1mm (left)

Controlled cumulative inclination degree within <1‰ (Right)