工程项目“云上共建”，地下管线“透明可溯” “数字底图”悄然改变城市运转方式

Core Insights - The construction of a "three-dimensional Zhenjiang" is accelerating as the city approaches the completion of a 404.42 square kilometer realistic 3D project by 2025, marking a significant step in its digital transformation [1][6] Group 1: Urban Planning Transformation - The shift from 2D blueprints to 3D models is revolutionizing urban planning, utilizing high-precision oblique photography and laser scanning to create measurable and analyzable urban spaces [2] - In the Zhenjiang Honor Hotel project, a 0.03-meter resolution oblique photography model was used to accurately replicate a 1 square kilometer area, enhancing planning efficiency and scientific accuracy through tools like BIM integration and sunlight simulation [2] Group 2: Project Management and Approval Process - The implementation of a "multi-measurement integration" information platform has transformed project approvals from traditional 2D methods to 3D visual management, significantly improving accuracy and transparency [3][4] - Potential investors can now view land conditions in a 360-degree format and access planning conditions in real-time, streamlining the approval process and fostering a better business environment [3][4] Group 3: Urban Safety and Infrastructure Management - The integration of 3D modeling with IoT and AI technologies enhances urban safety management, particularly in addressing challenges like aging infrastructure and flood risks [5] - A 3D underground pipeline system has been developed to accurately locate 18 kilometers of old pipelines, reducing excavation areas by 60% and minimizing traffic disruptions [5] - During the rainy season, a flood prevention system utilizing real-time water level data and 3D models improved response times, reducing water accumulation duration from hours to 40 minutes, thus enhancing emergency response efficiency by 50% [5] Group 4: Future Prospects - The ongoing development of realistic 3D models in Zhenjiang is not only a response to the digital China strategy but also a profound practice of urban digital transformation, with plans for further integration into smart city management and community governance [6]