Core Viewpoint - The successful installation of the last 22-meter track beam marks the completion of the track beam connection for the High-tech East District Yunba project, which is significant for enhancing transportation in the region [1] Group 1: Project Overview - The High-tech East District Yunba project spans 30.7 kilometers with 32 stations and one comprehensive yard, integrating with existing metro lines 2, 4, and 8 to facilitate transportation for residents and employees [3] - The project aims to connect industrial spaces in the High-tech East District with high-capacity rail transit, addressing the "last mile" issue to promote urban integration [3] Group 2: Safety Management - The installation faced challenges such as working under a 500kV high-voltage line and required meticulous coordination due to the varying lengths and weights of the beams, with the longest beam measuring 60 meters and weighing 120 tons [4] - A detailed inspection checklist was developed to ensure safety during the beam installation process, contributing to the project's rapid progress [6] Group 3: Technical Innovations - The project utilized integrated bridge and track design, demanding high precision in the placement of anti-fall beam anchor rods, with allowable height deviation not exceeding 10 millimeters over 90 meters [7] - A specialized tool was created to maintain anchor rod positioning, achieving a horizontal deviation of 15 millimeters and vertical deviation of 8 millimeters, enabling a monthly installation rate of 11,500 tons, surpassing the national average of 5,000 tons [9] Group 4: Construction Strategy - To meet the 2025 completion deadline, a "see the gap and insert the needle" strategy was employed, allowing for simultaneous operations at multiple points to ensure timely delivery of track beams [11] - All 32 stations have been capped, with ongoing decoration, equipment installation, and system testing to ensure readiness for operation by the end of the year [13]
壹探轨道|最新进展!济南高新东区云巴全线贯通