At present, Shuzizi (tree grates) are widely used in various fields in developed countries, such as road construction, park landscaping, and urban infrastructure. However, many domestic customers still have limited knowledge about Shuzizi, which can cause confusion when purchasing. In this article, I will briefly explain some key points to help you better understand this important component.
1. **Material Requirements**: The tree grate is typically made from ductile iron QT500-7, and the raw materials must comply with GB1348 standards. This ensures high strength, durability, and resistance to corrosion.
2. **Maintenance and Long-Term Use**: To ensure long-term performance, regular maintenance is essential, especially for newly installed products. Proper management not only guarantees the product’s effectiveness but also extends its lifespan.
3. **Surface Quality**: The surface of the tree grate should be smooth and seamlessly integrated with the supporting structure. It must be free from cracks, cold shuts, shrinkage, or any other defects that could compromise its performance. Once damaged, it cannot be repaired easily.
4. **Design Variety and Load Capacity**: Tree grates come in various styles, and the selection depends on the design requirements. Their load capacity should not be less than 140 kN to support heavy traffic.
5. **Connection and Corrosion Protection**: The rafters and manhole covers can be connected using pins or other methods. The turning angle of the rafters should be at least 120 degrees. For corrosion protection, asphalt varnish is commonly applied to both the rafters and the manhole covers.
6. **Identification and Documentation**: Each tree grate should have clear markings, including the bearing grade, production date, and manufacturer's information. It should also come with technical documents like a factory certificate and test report.
7. **Installation and Troubleshooting**: After installation, tree grates are constantly subjected to vehicle traffic. Over time, some trees may crack or collapse due to heavy usage. If this happens, first check the foundation. If the base is unstable, reinforcement is needed. Then, apply a layer of cement on the surface of the tree grate for additional support. Sprinkling salt around the cement can enhance adhesion and prevent the tree grate from falling off.
Understanding these aspects of Shuzizi will definitely help you make informed decisions when purchasing or installing them. Whether you're working on urban development, landscaping, or infrastructure projects, having a clear grasp of this component is essential.
Editor: Hardware Business Network Information Center
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