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Taian Hongyuan Geosynthetics Co., Ltd.
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Construction notes of GCL

Release time:2020-5-14    This article is read :5340 Times

Construction notes of GCL


Construction notes of GCL

Installation Methods

Disposal of subgrades

1.the subgrades must be tamped before paving the GCLs, the surface should be smooth. And it should not have the obvious hollow space.

2.the surface should be dry.

3.the minimum angle of land surface exposed to the sun should be more than 30cm.

4.the construction of GCLs should be begin until checking out the foundation.

Preparation before paving the GCLs

1.drawing the GCLs paving order.

2.examining the GCLs appearance quality.

3.the construction of GCLs should be processed under the weather with no rain and snow.

GCLs Paving

1.when paving the GCLs, it can use the machine and also the manpower.

2.paving the GCLs according to the stated order and way.

3.paving the GCLs, seaming overlapping between mat and mat should be staggered.

4.there should not be sand and soil, hydrocele and so on impurity, to avoid affecting on the overlapping quality.

5.to avoid the GCLs gliding, had best to fix it with nails when installing in vertical and bevel. Such as drawing.

6.both sides of the GCLs are geotextile and woven geotextile, when paving, the geotextile should be next to the water.

7.when paving, examine the GCLs appearance at any moment Backfill.

a.GCLs paved must be backfilled on the day.

b.the sand or the sifted soil is the best choice, and the soil should not have impurity with more than 10mm.

c.the soil must be tamped every backfilling 50cm, and the degree of density should be more than 85%.

d.pay attention to the GCLs when tamping, it can not be damaged.

e.when backfilling in the planar surface, the thickness should be 30cm at least.

Construction notes of GCL
Previous:How to protect GCL during construction?

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Address: Jinghua Industrial Zone, NO. 88 Leigushi Street, Taishan Industrial Park, Taian City, Shandong Province, China

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