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PTT Geocell is a lightweight and flexible three-dimensional, expandable panels made from High Density Polyethylene (HDPE) strips which are ultrasonically bonded together to form an
extremely strong configuration.
When infilled by compacted soil, a Cellular Confinement System (CCS) is to create a new entity with enhanced mechanical and geotechnical properties. When pressure applied to the soil
contained in a CCS, it results in a lateral stress on the perimeter of the cell wall. The three-dimensional confinement area reduces the lateral movement of soil particles. The vertical load
applied to contained infill lead to high stress and resistance to lateral interface between cell and soil.
Constrained adjacent cell provides additional resistance filled by passive resistive load cell, while the horizontal expansion by restricting the ring of high strength. Compaction is
maintained to result in long-term reinforcement.
On the jobsite, all sections of geocell are fastened together and placed directly on the surface of the subsoil or placed on the geotextile covered on the roadbed surface. The sections are
stretched and expanded with stretcher. geocell extended to cover several tens of meters may consist of hundreds of individual cells, depending on the size of the section and the whole area. They
are then filled with a variety of filler materials such as soil, sand, aggregate or recycled materials, and then compacted using vibration compaction.
Overall CCS can create a hard mattress to distribute the load over a wider area, reduce settlement of soft soil, improve shear resistance and load carrying capacity and reduce
distortion.
Cellular Confinement System-Geocell
Technical Specificaiton
1. Height: 50mm-200mm
2. Welding distance: 330mm-1000mm
3. Thickness of sheet: 1.0mm-1.5mm.
Item No.
Height (mm)
Tensile strength of
weldig points( N/cm)
Tensile strength of connection of cells (N/cm)
Tensile srength at yield of each sheet (N/mpa)
GS-50-400
50
≥100
≥120
≥20
GS-75-400
75
≥100
≥120
≥20
GS-100-400
100
≥100
≥120
≥20
GS-150-400
150
≥100
≥120
≥20
GS-200-400
200
≥100
≥120
≥20
Dimension
Geocell Welding Spacing
mm
330
400
660
Expanded Cell Size
(width×length)
mm
244 X 203
295 X 250
488 X 406
Expanded Panel Size
(width×length)
m
2.44 X 6.15
4 X 5
2.44 X 12.29
Expanded Panel Area
m2
15 ±1%
20 ±1%
30 ±1%