Three-Dimensional Network Construction Process and Key Control Points
Slope finishing and shaping - applying base fertilizer - laying the geotextile net - fixing it in place - covering with soil - seeding (using mechanical soil spraying) - re-covering soil - placing fiber cloth or straw mulch - and finally watering.
Throughout these steps, careful attention must be given to several critical control points:
1. The slope should be prepared strictly according to the design specifications. It's important to use three-dimensional nets carefully on gravel slopes, as they may not adhere well. For the base fertilizer, a mix of decomposed organic fertilizer and quick-release fertilizer is recommended. If the soil pH is unsuitable, additional soil amendments can be applied during this stage to improve conditions.
2. When laying the net, make sure it is tightly attached to the slope surface to avoid any hanging or movement. The net should be kept smooth and free of wrinkles. Start from the top and work downward, overlapping each section by about 10 cm to ensure stability and full coverage.
3. Fixing the net is crucial for long-term success. U-shaped nails or disposable bamboo stakes are commonly used. Bamboo stakes are typically around 15 cm in length, placed at intervals of 50 cm, with approximately six stakes per square meter. The soil used for fixing must be fine, fertile, and have a suitable pH level. In large-scale projects where earthwork is extensive and soil transportation is challenging, it’s essential to pre-source and stockpile the required soil in advance to avoid delays.
4. Watering should be done using a fine mist spray to prevent erosion and runoff. This ensures even moisture distribution and helps the seeds establish properly.
5. Selecting the right grass species is vital. Choose plants with strong root systems that can grow deep into the soil, and preferably include at least one species with stolons (like dog's tail grass or other creeping varieties). These types of grasses provide better erosion control and faster coverage.
By following these procedures and focusing on key control points, the three-dimensional network system will perform effectively, ensuring stable and long-lasting results in slope stabilization and vegetation establishment.
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