CRCC(SH:601186) Xin Hua Wang·2026-02-02 00:45Core Viewpoint - The Zhejiang Jingling Reservoir project has made significant progress with the successful operation of the "Jingling No. 2" tunnel boring machine (TBM), achieving a daily excavation rate of 63 meters and a monthly total exceeding 1,000 meters, marking a breakthrough in tunnel construction under complex geological conditions [1] Group 1: Project Overview - The Zhejiang Jingling Reservoir is a major national water network project located in Shaoxing, integrating flood control, water supply, and irrigation functions [1] - The project consists of two main parts: the reservoir hub and the water conveyance system, with the water conveyance line approximately 76.3 kilometers long [1] - The TBM tunnel, constructed by China Railway 18th Bureau, spans 13.55 kilometers and traverses eight fault zones, with rock strength reaching up to 243 MPa, indicating high construction difficulty and safety risks [1] Group 2: Technological Advancements - To address the challenges posed by extremely hard rock layers, the project team equipped the "Jingling No. 2" TBM with a high-rigidity cutter head and heavy-duty cutter seat to enhance rock-breaking capabilities [1] - The TBM is also fitted with an advanced geological forecasting system that can detect geological conditions 100 to 150 meters ahead, allowing for early awareness and precise assessment of adverse geological conditions, significantly improving safety and adaptability during construction [1] Group 3: Economic and Social Impact - Upon completion, the Jingling Reservoir will optimize the regional water resource allocation, providing stable and high-quality water supply to urban and rural residents in Shaoxing and surrounding areas [1] - The project will enhance flood prevention and disaster reduction capabilities in the Cao'e River basin, playing a crucial role in supporting the high-quality economic and social development of the region [1]