Three-Dimensional Network Construction Process and Key Control Points
Slope finishing and shaping - applying base fertilizer - laying the geotextile net - securing it in place - covering with soil - seeding (using mechanical soil spraying) - re-covering with soil - placing a protective layer of fiber cloth or straw - and finally watering.
Throughout these steps, careful control is essential to ensure successful implementation:
1. The slope must be prepared strictly according to the design specifications. On gravel slopes, the use of three-dimensional nets should be approached with caution. For the base fertilizer, it's recommended to use well-decomposed organic material combined with fast-acting nutrients. If the soil pH is not ideal, amendments such as lime or sulfur can be added during this stage to improve conditions.
2. When installing the net, it should be closely attached to the slope surface to avoid any hanging or loosening. The net must be laid flat without wrinkles, and each layer should overlap by about 10 cm from top to bottom. This ensures stability and uniform coverage.
3. Fixing the net is done using U-shaped nails or disposable bamboo stakes. Bamboo stakes are typically around 15 cm long, spaced 50 cm apart, with approximately six per square meter. The soil used for fixing must be fine, fertile, and have an appropriate moisture level. In large-scale projects where soil is hard to obtain and transportation is lengthy, it's crucial to prepare and stockpile the soil in advance to avoid delays.
4. Watering should be done using a fine mist spray rather than direct water flow to prevent erosion and runoff. This method helps maintain soil moisture while protecting the newly planted seeds and net structure.
5. Selecting the right grass species is vital. It’s best to choose plants with strong root systems that can grow deep into the soil, along with at least one type that spreads via stolons for better coverage. Examples include dog's tooth grass, Bermuda grass, and other similar species known for their resilience and rapid establishment.
By following these detailed steps and maintaining strict quality control throughout the process, the three-dimensional network system will provide effective slope stabilization and promote healthy vegetation growth over time.
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