In the Yongding River main channel levee flood-damage repair project in Beijing, Beijing Zhongfu Lanhai Construction Co., Ltd. took the lead in introducing SANY grab buckets and successfully carried out diaphragm wall construction with a design length of 2.4 kilometers and a thickness of 0.6 meters (double-sided wall). The project has a design depth of 16 meters. Facing complex and variable geological conditions such as sand, river mud, and silty fine sand, the construction team demonstrated outstanding technical proficiency and professional response capabilities.
01
The Yongding River is an important river within Beijing, and its flood control safety is directly related to the lives and property of residents along its banks. In recent years, affected by extreme weather and human activities, the river channel levees have suffered damage to varying degrees and urgently require repair. This flood-damage repair project not only involves large-scale earthwork excavation but must also consider the bearing capacity and stability of different geological layers. Therefore, efficiently and precisely completing construction tasks in a complex geological environment has become a major challenge for the construction team.
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The project adopted a "T"-shaped diaphragm wall structure with a panel width of 6m x 4m, connected by I-beam joints. This innovative design not only enhanced construction stability but also significantly improved the levee's flood resistance, providing strong safeguards against possible future flood risks.
In actual construction, the SANY grab bucket demonstrated highly efficient operation. Taking a 16-meter-deep, 6m x 4m "T"-shaped trench as an example, the SH700 grab bucket required only 4 hours from the start of operation to reaching the bottom, with an average daily working time of 18.5 hours and cumulative working hours of 573.9 hours. With this efficient mode of operation, at least 4 trench panels can be completed per day. As of November 4, the SANY grab bucket had successfully completed 103 trench panels, laying a solid foundation for subsequent work.
03
As important equipment for this project, the SANY grab bucket performed excellently in the complex construction environment thanks to its powerful grabbing force and rapid operating capability. Its design concept incorporates ergonomics, and through an optimized operating system, it enables the operator to exercise control more conveniently, thereby greatly improving construction efficiency and safety.
In this project, the application of the SANY grab bucket made construction processes such as earthwork excavation, transport, and backfilling more efficient. In addition, the grab bucket's precise control capability helped the construction team effectively avoid potential geological risks and ensured the overall quality of the project.
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As of now, project construction has entered a critical stage. Under the premise of ensuring safe production, the construction team of Beijing Zhongfu Lanhai Construction maintained a highly efficient working state under adverse weather conditions such as high temperature and high humidity. After using the SANY grab bucket, construction progress significantly exceeded expectations, and the team won widespread praise within and beyond the industry for its outstanding performance. This efficiency improvement not only shortened the construction period but also provided strong support for subsequent project progress, fully demonstrating the outstanding performance of the SANY grab bucket under complex geological conditions.
Beijing Zhongfu Lanhai Construction will continue to leverage the advantages of the SANY grab bucket to ensure both improved construction quality and efficiency. The company plans to increase investment in research on new materials and new technologies and to cooperate with domestic and foreign universities and research institutions to develop construction solutions suitable for various complex environments. At the same time, the company will strengthen technical training for employees, improve the overall quality of the team, and ensure the smooth progress of all projects.
To protect and restore the ecological environment along the Yongding River, Beijing Zhongfu Lanhai Construction Co., Ltd. actively fulfills its social responsibilities and promotes regional sustainable development. Through the implementation of this project, SANY grab bucket technology has demonstrated its enormous potential in modern engineering. In the future, with the continuous updating and improvement of technology, we look forward to more innovative solutions helping urban infrastructure construction and creating a safer and better living environment.
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