How to construct geocell?

How to construct geocell?

Geocell is a mesh cell structure formed by strong welding of high-strength HDPE wide bands. Its construction method mainly includes the following steps:
1. Preliminary preparation
Material selection: Select national standard products produced by regular manufacturers, and conduct quality inspection in time according to relevant specifications after the products arrive.
Slope treatment: Level the slope to the design requirements, remove floating stones, dangerous stones, etc. on the slope, and ensure that the slope is flat and smooth, without hard protrusions such as broken stones and blocks.
Drainage system: The main drainage ditch system should be set up on the slope of the paved cell, and a certain distance should be maintained between the two adjacent ditches. The drainage ditch is connected with the road ditch to ensure that the surface water on the road can be smoothly discharged into the drainage channel.
2. Geocell laying
Measurement and layout: According to the design requirements, measure and lay out the laying position and width of the geocell.
Geocell layout: Before the geocell is stretched, connect the cells with galvanized U-shaped nails. Then, stretch the cell to the tension state to ensure that it is in a tight state without relaxation. At the beginning of laying geocells, use a hammer to drive the prepared U-shaped nails (such as Ф10 smooth round steel bars, with sharpened nail ends and a length of 50cm) into the roadbed. The exposed part of the U-shaped nails should not be higher than the height of the cell. Anchorage is performed in a single row, and the anchorage spacing is determined according to the design requirements.
Fixed cells: fully open the cell components, and nail a hook-shaped rivet pile into each cell at the top. The length of the rivet pile is twice the height of the cell plus 30cm. At the same time, fix the edges of the cell grid with L-shaped and U-shaped steel bars, and temporarily fix the bottom with L-shaped steel bars. Adjacent grids are connected and fixed with U-shaped and plastic strips.
3. Filling and compaction
Filling materials: fill stones as needed or fill the cell space from top to bottom with high-quality soil suitable for planting turf or grass seeds. The filling height is preferably 1.2 times the height of the cell, and pat it firmly.
Leveling and rolling:  Use a bulldozer for rough leveling, and then use a manual cooperative grader for precise leveling. Use a vibrating roller for compaction, and control the rolling speed within the specified range to ensure that the compaction meets the design requirements.
4. Post-maintenance
Re-inspection: After the construction is completed, the re-inspection should be done well, and the parts with insufficient tension or weak riveting piles should be reworked in time.
Vegetation planting: After filling the material in the cell, plant vegetation in time to enhance the slope protection effect.
5. Precautions
Ambient temperature: When the ambient temperature is lower than the specified low-temperature brittle temperature, the construction should be stopped to prevent low-temperature brittle damage to the geocell.
Material protection: During the storage and use of the geocell, the material should be protected to avoid human damage, and long-term exposure and freezing should be prevented. 
Avoid damage: On the surface of the paved geocell, avoid pedestrians stepping on it, stacking heavy objects and walking on heavy equipment to prevent damage to the cell structure.
Through the strict implementation of the above steps and precautions, the construction quality of the geocell can be ensured and the expected slope protection effect can be achieved.

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