Hard Rock TBM

• A Guide to Different Types of TBM and Where They Are Used

  Nov 17, 2025

    You can find a few main types of TBM, including hard rock, earth pressure balance (EPB), and slurry machines. Each type of TBM is designed for specific ground conditions. Hard rock TBMs are best suited for solid rock, while earth pressure balance and slurry TBMs excel in soft ground, making them popular in urban environments. Selecting the appropriate tunnel boring machine is crucial for ensuring safety and efficiency. Many city projects utilize EPB and slurry TBMs, as these machines effectively manage soil movement and settlement. Companies like NHI manufacture advanced tunnel boring equipment tailored for these applications. Using the right types of TBM for your soil conditions significantly contributes to the success of your project.   Types of Tunnel Bo...

  Hot Tags : tunnel boring equipment Hard Rock TBM Earth Pressure Balance (EPB) TBM Slurry TBM

  Read More