科技力量铺就交通强国建设“快车道”

Group 1 - The core theme of the article is the significant advancements in domestic TBM (Tunnel Boring Machine) technology, exemplified by the "Tianshan" TBM, which has transitioned from being entirely imported to largely domestically produced during the 14th Five-Year Plan period [1][2] - The "Tianshan" TBM, measuring over 280 meters in length and weighing more than 2,800 tons, is described as a "underground dragon" that can operate continuously like an assembly line, showcasing its efficiency in challenging construction environments [1][2] - The article highlights the importance of advanced geological detection equipment integrated into domestic TBMs, which allows for preemptive geological assessments and enhances operational safety and efficiency [2] Group 2 - The article discusses the challenges of road construction in the harsh climate of the Tibetan Plateau, particularly the issue of permafrost, and the innovative solutions developed by researchers to address these challenges [3] - Techniques such as mixing cement with the "sesame paste" (a metaphor for the soft permafrost) and using pile foundations to support loads directly on the underlying permafrost are highlighted as effective methods for road construction in difficult terrains [3] - The rapid development of waterway transportation, particularly the advancements in the management of the Three Gorges ship lock and elevator, is also emphasized, showcasing the role of technology in enhancing operational efficiency [4][5] Group 3 - The Three Gorges ship lock is noted as the largest continuous ship lock in the world, with significant improvements in maintenance and operational efficiency achieved through innovative technologies [4][5] - The annual throughput of the Three Gorges shipping has reached 169 million tons, exceeding the original design capacity of 100 million tons, indicating the effectiveness of technological advancements in increasing operational capacity [5] - Future plans include the integration of big data and smart technologies to further enhance the efficiency of the Yangtze River shipping operations [5]