en.Wedoany.com Reported - Recently, the Municipal Facilities Service Center of the Dezhou City Administration Bureau in Shandong Province initiated the 2026 annual regular inspection and special disease treatment work. Focusing on four key Grade C bridges within its jurisdiction, the center adopts a "continuous tracking + targeted measures" closed-loop management model to ensure the safety of bridge maintenance and operation. This inspection covers the Shiwanggou Bridge on Guoyuan Road, the Yangzhuanggou Bridge on Chongde Fifth Avenue, the Yedikou Bridge, and the Canal Bridge on Tianqu Road.
This inspection employs a combined method of "truss bridge inspection vehicle + manual close-range inspection + ultrasonic rebound hammer" to conduct a comprehensive assessment of the bridges. Technicians will track and compare the inspection data with previous years' data, accurately identifying existing issues such as longitudinal cracking in the main arch ring of the Yangzhuanggou Bridge on Chongde Fifth Avenue, and crack seepage and efflorescence on the slab bottom of the Yedikou Bridge. Additionally, newly emerged hazards were discovered, including new horizontal and vertical cracks in the abutment of the Shiwanggou Bridge on Guoyuan Road, and large-area concrete expansion cracking with exposed reinforcement in the main girder of the Canal Bridge on Tianqu Road. This bridge maintenance measure ensures no blind spots in defect identification.
Based on a thorough investigation of the defects, the Municipal Facilities Service Center of the Dezhou City Administration Bureau implements "one bridge, one strategy" targeted interventions. For the cracks and seepage/efflorescence on the bottom surface of the hollow slabs of the Yedikou Bridge, the process of "high-pressure crack grouting + surface reinforcement with carbon fiber fabric" is adopted. For the Canal Bridge on Tianqu Road, which has insufficient load-bearing safety reserves, and the Shiwanggou Bridge on Guoyuan Road, whose abutment is in an unstable state, routine control measures such as increasing inspection frequency and dynamic monitoring of crack width are taken. Simultaneously, expert review and planning application for major repair and reinforcement schemes have been initiated. The bridge maintenance work aims to prevent the risk of bridges operating overloaded while "sick".
In the next step, the center will consolidate the annual inspection results, improve the technical condition database for key bridges following a "one bridge, one file" system, and implement list-based and dynamic management of defects. This approach aims to achieve "early detection, early warning, and early handling" of potential hazards, using professional technical means to safeguard the city's vital transportation lifelines.
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