Core Points - The Zhijiang Road water supply corridor and road improvement project has successfully completed its tunneling phase, marking a significant engineering achievement in traversing five national key cultural heritage sites [2][14][16] - The project faced complex geological conditions and stringent vibration control requirements to protect historical structures, with a vibration threshold set at 0.2 mm/s [5][11][16] - Advanced technologies such as large-diameter slurry balance shield tunneling and real-time monitoring systems were employed to ensure safety and minimize impact on surrounding heritage sites [10][16] Geological and Engineering Challenges - The geological conditions included 15 different soil layers with varying strengths, complicating the tunneling process, particularly in the White Pagoda section, which had a high quartz content [3][11] - The project required meticulous planning and execution to avoid damage to sensitive structures, with a minimum horizontal distance of 13.5 meters from the Qiantang River Bridge and 3.3 meters from the underground metro line [11][12] Monitoring and Protection Measures - Continuous monitoring systems were established to track vibrations and structural integrity, ensuring that any deviations from the set thresholds were promptly addressed [7][9][16] - The project team implemented a combination of sensors to minimize intervention on the historical structures while maintaining rigorous monitoring standards [8][9] Future Implications - The successful completion of the project is expected to enhance traffic capacity by 1.5 times and improve the reliability of the city's water supply system [16][17] - The engineering techniques and monitoring practices developed during this project may set new standards for future infrastructure projects in culturally sensitive areas [16][18]

Core Viewpoint - Shaanxi Xixian New Area's Konggang New City and Fengxi New City have been selected as the first batch of low-carbon and near-zero carbon county (district) and park pilots in Shaanxi Province, focusing on green low-carbon development and carbon emission reduction in production and operation processes [1][2]. Group 1: Low-Carbon Development Initiatives - The two new cities are promoting low-carbon and near-zero carbon park construction through energy transition, building energy efficiency, transportation optimization, and industrial upgrading [2][3]. - The Xi'an Xianyang International Airport T5 terminal, which opened in February, incorporates various green design elements and has been recognized for four low-carbon cases at a national conference [2][3]. Group 2: Renewable Energy and Technology Integration - The China Western Science and Technology Innovation Port's Yuanju Building integrates seven energy-saving and emission-reduction technologies, achieving self-sufficiency in daily office electricity through solar photovoltaic walls [3]. - The building's smart green energy system covers an area of 2,750 square meters, generating approximately 400,000 kilowatt-hours annually [3]. Group 3: Clean Heating Solutions - Fengxi New City is implementing a clean heating technology that utilizes deep geothermal energy to address high carbon emissions during winter heating [4]. - This technology involves drilling 2,000 to 3,000 meters underground to extract heat using a closed metal casing heat exchanger [4]. Group 4: Digital Transformation and Energy Management - Konggang New City leverages its unique resources, including the Xi'an Xianyang International Airport, to develop advanced manufacturing, aviation support, and high-end services [5]. - A digital transformation office has been established to promote low-carbon aviation and explore smart airport solutions using Building Information Modeling (BIM) for construction management [5][6]. Group 5: Research and Development Focus - The construction of zero-carbon parks relies heavily on continuous technological innovation, with a need for increased R&D investment in clean energy, energy efficiency, and carbon capture technologies [7]. - A collaborative research center for carbon neutrality is being established to accelerate the implementation of low-carbon technologies through partnerships between universities and enterprises [7].

Core Viewpoint - Shaanxi Xixian New Area's Konggang New City and Fengxi New City have been selected as the first batch of low-carbon and near-zero carbon county (district) and park pilots in Shaanxi Province, focusing on green and low-carbon development through energy utilization, building energy efficiency, and smart management [1][2]. Group 1: Low-Carbon Development Initiatives - The two new cities are promoting low-carbon and near-zero carbon park construction by integrating local conditions and focusing on energy transition, building energy efficiency, traffic optimization, and industrial upgrading [2]. - The Xi'an Xianyang International Airport T5 terminal, which opened in February, incorporates numerous green design elements and has been recognized for four low-carbon cases at a major airport development conference [2]. Group 2: Renewable Energy and Technology Integration - The China Western Science and Technology Innovation Port's Yuanju Building integrates seven energy-saving and emission-reduction technologies, including solar photovoltaic facades that allow the building to achieve self-sufficiency in daily office electricity [3]. - The building's smart green energy system covers an area of 2,750 square meters, generating approximately 400,000 kilowatt-hours of electricity annually [3]. Group 3: Clean Heating Solutions - Fengxi New City is implementing a clean heating technology that utilizes deep geothermal energy to address high carbon emissions during winter heating [4]. - This technology involves drilling down 2,000 to 3,000 meters to extract underground heat, which is then distributed to buildings via heat pumps [4]. Group 4: Digital Transformation and Energy Management - Konggang New City leverages its unique resources, including the Xi'an Xianyang International Airport, to develop advanced manufacturing, aviation support, and high-end services [5]. - A digital transformation office has been established to promote low-carbon aviation and explore green smart airport solutions, utilizing Building Information Modeling (BIM) for efficient construction management [5][6]. Group 5: Research and Development Focus - The construction of zero-carbon parks is heavily reliant on continuous technological innovation, with a need for increased R&D investment in clean energy, energy efficiency, and carbon capture technologies [7]. - In 2024, Fengxi New City will collaborate with various institutions to establish a carbon neutrality innovation research center, aiming to accelerate the implementation of low-carbon technologies [7].