en.Wedoany.com Reported - On June 1, the asphalt surface layer paving construction commenced on the connecting line of the Hengde Expressway Reconstruction and Expansion Project, which is undertaken by the Urban and Rural Construction Group. The main works of the connecting line pavement have achieved a breakthrough, marking a key milestone in the overall construction. Multiple work lines are advancing simultaneously at the construction site.
This asphalt surface layer paving adopted mechanized collaborative operations, with pavers, double-drum vibratory rollers, and rubber-tired rollers working in coordination. Asphalt transport vehicles unloaded materials in an orderly manner, while the paver spread the mixture at a steady speed. Workers followed the process requirements of "close follow, slow rolling, high frequency, low amplitude," sequentially completing the three rolling stages: initial rolling, secondary rolling, and final rolling, while simultaneously performing edge trimming, flatness inspection, and corner finishing. After paving, the road surface was dense and smooth, with all indicators meeting engineering design standards.
To ensure the safety and quality of asphalt paving, the project department formulated a specialized construction plan in advance. Before construction, the asphalt mixture ratio was adjusted, construction machinery was inspected and calibrated, and safety technical briefings were provided to frontline personnel. During construction, full-process dynamic monitoring was implemented, with real-time temperature tracking of the asphalt mixture, strict control over key indicators such as paving thickness, flatness, and compaction degree, and reliance on intelligent monitoring equipment for full-process traceability management.
The project general contracting department stated that it will closely focus on the traffic opening target, seize the golden summer construction period, and advance ancillary works such as road marking, safety facility installation, and slope greening, to ensure the connecting line meets traffic conditions as soon as possible, thereby enhancing the traffic capacity of the regional expressway network.
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