en.Wedoany.com Reported - At 8:00 a.m. on May 31, the 60,000-ton grain shallow silo construction project of Gansu Wangjiadun Grain and Oil Reserve Co., Ltd., undertaken by Gansu Construction Investment Second Construction Company, reached a critical milestone—silos Q201 and Q202 successfully completed concrete placement, and the hydraulic slipform system started smoothly. The advancement of this core process marks the official entry of the project into the rapid construction phase of the main structure.
As a core facility for modern grain storage, shallow silos offer advantages such as large single-silo capacity, good sealing, moisture and heat resistance, and high mechanization. The slipform construction of these shallow silos presents challenges including high process standards for silo wall structures, strict construction precision requirements, and numerous risks associated with high-altitude operations. The project adopts a construction technique involving a standardized formwork system, synchronous hydraulic jacking, and continuous pouring and forming, achieving one-time integral forming of the silo walls. This method effectively avoids quality hazards such as construction joints, wall misalignment, and leakage commonly associated with traditional phased construction, significantly enhancing the structural integrity of the silo walls, concrete compactness, and surface forming quality, while also effectively shortening the construction period.
Prior to construction, the project department, in collaboration with construction, supervision, quality inspection, and other relevant units, completed the review of the specialized slipform construction plan, technical briefings for all personnel, and a comprehensive inspection of potential safety hazards at the construction site. Full-scale verification and acceptance were carried out for key construction links, including the slipform formwork system, hydraulic jacking equipment, oil circuit control system, on-site safety lighting and protective facilities, steel reinforcement processing techniques, and concrete mix proportions, ensuring that all equipment and process parameters meet construction specifications. Additionally, considering the characteristics of continuous high-altitude operations, the construction process was optimized and refined, with clear quality control standards, safety protection details, and emergency response plans established. Special pre-job training was organized for construction, technical, and management personnel, and strict control was exercised over core process parameters such as concrete slump, demolding strength, and formwork lifting speed.
During construction, the project strictly implemented a 24-hour management shift duty system, with technical, safety, and quality inspection personnel providing full-time on-site supervision. Key quality indicators such as silo wall verticality, wall thickness, and synchronous slipform lifting accuracy were monitored in real time. Construction techniques were dynamically optimized based on on-site conditions, and all control requirements for safe production and civilized construction were strictly enforced. Difficulties in high-altitude operations and continuous pouring were addressed one by one, with full efforts made to prevent various safety and quality risks.
The successful launch of the slipform construction for the shallow silo walls marks a milestone in the project's progress. In the next phase, the project department will closely adhere to the established construction goals, strengthen the responsibilities of each position, refine construction implementation measures, and strictly control the quality of project construction. It will advance subsequent construction tasks with high standards and efficiency, striving to complete the project and put it into operation as soon as possible, further improving the local grain reserve guarantee system and consolidating the foundation for regional grain security.
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