Core Insights - The "Mozi" dual-shield hard rock tunneling machine (TBM) developed by China Communications Construction Company (CCCC) has achieved significant breakthroughs in underground engineering, particularly for the pumped storage power station in Shandong Zaozhuang [1][2] - The machine can make turns with a minimum radius of 50 meters, breaking the traditional 100-meter radius limitation, thus enhancing the flexibility and efficiency of deep earth development [1][3] Technical Advancements - The "Mozi" TBM is designed to navigate complex geological structures, including hard limestone and soft shale, while avoiding risks such as collapses and water inflows [2] - It features an upgraded cutting head and a "reverse cone" design, which improves maneuverability and enhances rock-breaking efficiency by expanding the cutting range by 80 millimeters [3] - The machine's navigation system, akin to an "underground Beidou," utilizes high-precision instruments to ensure accurate path planning and real-time position tracking [3] Industry Implications - The development of small turning radius tunneling technology is becoming crucial for deep earth exploration and application, allowing for more precise and efficient construction in complex underground environments [4][5] - The "Mozi" TBM's capabilities are expected to significantly reduce construction costs and environmental impact, aligning with the industry's shift towards more refined and sustainable underground space development [5][6]