Geocell Installation Guide For Retaining Wall

Geocell retaining wall structures stabilize steep slopes while taking up little land. They are fast to install and can withstand greater deformation than concrete retaining walls. Waterproof and long-lasting, Geocell systems are more flexible and cost-effective than traditional slope retention solutions.

The followings are our installation recommendations for our cellular confinement system. A base installation crew is comprised of (5) laborers and (1) supervisor.

Step 1: Site and Subgrade Preparation

The work site shall be well prepared before the installation. The ground shall be compacted in accordance with the project specification. All surfaces to be deployed shall be free of all foreign and organic material or sharp objects.

The subgrade foundation of the retaining wall is very important. For the subgrade foundation, a geological survey report must be produced by a specialized geological agency, and then calculated and designed by professional engineers.

Step 2: Geotextile Placement

Install Geotextile along the trench and the back of the retaining wall. Geotextile will protect the system with filtration and drainage functions.

Step 3: Drainage System Placement

Install the geopipe in accordance with the designs. Ensure the drainage system functions by gravity. Ensure all pipe connections are properly made, and the sub-drain pipe is connected to the outlet pipe or trench. Ensure that the discharge at the outlet end will not cause localized erosion that may affect the stability of the system.

Step 4: Geocell Panel Placement

Use the stretcher frame pr stretcher bars to expand the Geocell section into its designated position. Ensure the panel is expanded to the maximum area and allow it to relax.

Inspect the entire installation for any gaps, ensure all edges are securely anchored, and make any necessary adjustments.

Step 5: Anchor Geocell

Use ground stakes or anchors to secure the edges of the Geocell at the top, bottom, and sides of the trench and slope. Place additional anchors throughout the Geocell grid to ensure stability, especially in the middle sections.

Step 6: Fill Geocell

Choose appropriate fill material such as gravel, sand, or soil. Backfill the system with the infill material and level to approximately 50mm above the cells.

Step 7: Compact The Infill

Use compaction equipment to compact the fill material in each cell, ensuring maximum stability and reducing the risk of settlement. After compaction of each layer, remove excess material from the top of the Geocell wall section so that the top of the cellular structure is visible.

Step 8: Geogrid Placement (If Require)

Biaxial or Uniaxial Geogrid may be necessary to build the reinforced wall. Generally, it will be applied at the base and every 3-4 layers of the Geocell. The panel layout for the Geocell should be determined before installation commences.

Step 9: Layering and Stacking Geocells

After filling and compacting the first layer, place another layer of Geocell on top. Align the cells properly to ensure structural integrity. Fill and compact the second layer of Geocell as done previously. Repeat the process for any additional layers until the desired wall height is achieved.

When stacking the next layer, ensure that:

1. The proper setback of each panel is maintained as much as the design requires.

2. Splicing of two or more panels is not installed in the front-to-back direction.

3. Proper side-to-side cell alignment is maintained to prevent loss of cell infill material.

4. Compact every surface of the panels well with equipment.

Vegetation Wall

Geocell vegetation wall features great eco-friendliness, supports plant growth for slope greening, is lightweight, permeable, and low in construction cost.

Gravel Wall

Geocell gravel wall delivers outstanding drainage performance, stable structure, decent bearing capacity, and fast construction speed, with reliable anti-settlement effect.

Concrete Wall

Geocell concrete wall boasts ultra-high rigidity and structural strength, excellent resistance to impact, sliding and water erosion, with long service life.