Biaxial Geogrid For Stabilized Gravel Surface Biaxial Geogrid For
Subgrade For Reinforcement
About Hengquan
We have experience for more than 7 years. There are two product
lines for geogrid and geocell. Factory work 24hours a day, we sold
more than 100,000,000rmb last year(2020). Our customers are all
over the world.
Brief Introduction of Geocell Confinement System
There are two common problems at the junction of old and new roads:
one is that the design is not comprehensive, and there are many
technical difficulties in construction; the other is that the
strength of the old road is insufficient and the thickness of the
reinforcement layer is thin. The use of geogrid can make up for the
deficiencies in design and construction, and improve the tightness
of the new and old joints. Taking a highway project as an example,
the original width of the pavement is 9 m, and now it is expanded
to 15 m. The pavement structure layers from top to bottom are:
AC-13 asphalt concrete layer, AC-20 asphalt concrete layer, cement
stabilized gravel layer, graded gravel layer. Using glass fiber
geogrid material, the breaking strength is ≥50 kN/m, the breaking
elongation is ≥3%, the grid size is 25.4mm×25.4mm, and the width is
5m. After the construction is completed, the line can pass
smoothly, and the appearance and quality are better than the old
pavement structure; compared with the replacement and graded gravel
method, the use of geogrid not only reduces the cost, but also
saves maintenance costs, showing good social and economic benefits.
Geogrid System Characteristic
When the external force acts on the grid unevenly, the mesh will
deform due to the transverse tensile stress, which shows the
restraint effect and has strong adaptability to the non-uniform
distributed load. The geogrid has high friction resistance. When
used as reinforcement, it can enhance the shear strength of the
structural layer and improve the overall stability.
After the subgrade is leveled and compacted, the geogrid shall be
laid in time and positioned according to the design requirements,
and the soil shall be filled and covered in time after anchoring,
so as to shorten the exposure time as much as possible. If
necessary, backfill can be done at the same time as the grid is
laid to improve paving efficiency. In terms of specific operation,
firstly, the filler is spread on both ends, and after fixing the
grid, it is gradually advanced to the middle. During the rolling
operation, follow the rolling sequence of the two sides first, then
the middle. The pressing wheel cannot directly contact the grille,
and cannot drive on the uncompacted reinforced body. During the
layer-by-layer compaction, the thickness of each layer is
controlled at 20-30 cm, and indicators such as compaction and
flatness are checked in time to meet the design requirements.
Factory and Equipment:
Product inventory:
In soft soil high fill engineering, laying geogrid in the middle of
30-50 cm gravel layer can form geogrid gravel cushion and give full
play to the reinforcement role of excavated geogrid. On the one
hand, the geogrid has strong shear resistance, which can
effectively prevent the gravel from falling into the soft
foundation, and promote the grid and gravel to be embedded closely
to form a stable whole. On the other hand, the geogrid will form a
horizontal plane in terms of drainage, which can be used as a
drainage channel. After the subgrade is formed, it can effectively
reduce the soil moisture content. Third, the geogrid is laid above
the soft foundation, which will produce isolation effect,
It is not only convenient for construction, but also can restrain
the lateral deformation of foundation and reduce uneven settlement.
Fourth, increase the shear resistance of soil and change the
physical and mechanical properties of soft foundation.
Specifications: Biaxial geogrid| Item | Properties | Units | MD Values1 | XMD Values1 |
|---|
| 1 | Aperture dimensions2 | mm (in.) | 25 (1.0) | 33 (1.3) |
|---|
| 2 | Minimum rib thickness2 | mm (in.) | 0.76 (0.03) | 0.76 (0.03) |
|---|
| 3 | Tensile strength at 2% strain3 | kN/m (lb/ft.) | 4.1 (280) | 6.6 (450) |
|---|
| 4 | Tensile strength at 5% strain3 | kN/m (lb/ft.) | 8.5 (580) | 13.4 (920) |
|---|
| 5 | Ultimate tensile strength3 | kN/m (lb/ft.) | 12.4 (850) | 19.0 (1,300) |
|---|
| Structural Properties |
|---|
| 6 | Junction efficiency4 | % | MD Values1 | |
|---|
| 7 | Flexural stiffness5 | mg-cm | 250.000 | |
|---|
| 8 | Aperture stability6 | m-N/deg | 0.32 | |
|---|
| Durability |
|---|
| 9 | Resistance to installation damage7 | %SC/%SW/%GP | 95/93/90 | |
|---|
| 10 | Resistance to long term degradation8 | % | 100 | |
|---|
| 11 | Resistance to UV degradation9 | % | 100 | |
|---|
| Dimensions |
|---|
| 12 | Roll sizes | m (ft.) | 3.0 × 75.0 (9.8 × 246); 4.0 × 75.0 (13.1 × 246) |
|---|
Year of Registration: 2014
Place of Registration: China
Registrated Capital: CNY105,000,000.00
Briture Co., Ltd
was approved by Chinese Bureau of Commerce
Leo
Tel: +8615031817097
Whatsapp/Wechat: +8615031817097
Email: leocui2017@hotmail.com
Website: www.plastic-geogrid.com
Download PDF: Catalog of Hengquan -plastic geogrid.pdf
