巨龙穿重峦 国器铺通途-—乌尉高速公路全线通车背后的中交装备力量

Core Viewpoint - The successful completion of the Tianshan Victory Tunnel, a key project of the Belt and Road Initiative, marks a significant achievement in overcoming extreme geological challenges through innovative tunneling technology [2][3][5]. Group 1: Project Overview - The Tianshan Victory Tunnel is part of the Urumqi-Kuerle Expressway, which reduces travel time from approximately 7 hours to about 3 hours [2]. - The tunnel construction faced severe challenges, including high ground stress, cold temperatures, high seismic intensity, high altitude, and multiple fault zones, making it a "Mount Everest" of tunnel engineering [3]. Group 2: Innovative Technology - China Communications Construction Company (CCCC) developed the world's first innovative pressurized construction method hard rock tunneling machines, "Tianshan" and "Victory," with a diameter of 8.43 meters and a weight exceeding 2000 tons [5]. - These machines can intelligently switch tunneling modes based on geological conditions, achieving efficient excavation in intact rock and rapid conversion to pressurized concrete support in weaker sections [5]. - The "Victory" machine set records with a maximum daily excavation of 35 meters and a monthly record of 528 meters in high-altitude conditions [5]. Group 3: Vertical Tunneling Challenges - The construction of a 707-meter deep ventilation shaft at an altitude of 3660 meters posed another significant challenge, where traditional methods were inefficient and risky [6][7]. - The "Chuangxin" machine, designed for high-altitude and high-stress conditions, achieved a maximum vertical excavation of 104 meters per month and is expected to set world records in depth, diameter, and altitude by mid-2025 [7]. Group 4: Future Prospects - The completion of the Tianshan Victory Tunnel is seen as a new starting point for China's tunneling equipment to tackle more complex projects, including the Xitian Mountain Zhaowen Tunnel and Moxun Mountain Tunnel [9]. - The "Zhaosu" and "Wensu" TBMs, developed based on previous models, have undergone over 100 technical upgrades, improving excavation speed by over 60% [9]. - The "Wensu" machine achieved a maximum daily excavation of 60.6 meters and a monthly record of 862.4 meters, demonstrating superior geological adaptability [9]. Group 5: Technological Advancements - The advancements in tunneling technology reflect China's strong capabilities in high-end engineering equipment manufacturing, emphasizing digitalization, intelligence, and sustainability [11]. - CCCC aims to enhance industrial competitiveness and contribute to national development strategies through continuous innovation and optimization of its technological offerings [11].