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Tunnel engineering Geocomposite

Geocomposite is flexible and has many varieties.It is usually composed of geotextile and geogrid,geomembrane,drainage net,geomat and other geo products.On the basis of maintaining the characteristics of the original product, the composite product has a wider range of applications and stronger than the original product, and it is much easier to install, which means save more construction time and cost.

Subclassification：

Geocomposite

Key words：

Geocomposite

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Product Details

Composite geosynthetics are composite substances composed of soil and different auxiliary materials. It is commonly composed of soil and bolstered or increased substances (such as fibers, bentonite, clay minerals, chemical additives, etc.), and is made thru mixing, compaction, solidification and different processes.

Composite geotechnical substances have more than one features and advantages. Firstly, it has excellent tensile and compressive strength, which can decorate the mechanical homes of soil, enhance its bearing capacity, seismic and liquefaction resistance. Secondly, composite geotechnical substances can enhance the engineering residences of soil, such as bettering its impermeability, anti slip and stability, lowering soil contract and lateral deformation. In addition, composite geotechnical substances have properly sturdiness and corrosion resistance, and can cope with special environmental stipulations and engineering requirements.

The software fields of composite geotechnical substances are very extensive. In fundamental engineering, it can be used for soil reinforcement, basis treatment, slope safety and different engineering projects. In transportation engineering, it can be used in floor engineering such as roads, railways, and airport runways. In hydraulic engineering, it can be used in tasks such as embankments, dams, and revetments. In environmental engineering, it can be used in initiatives such as landfills and waste disposal sites. In addition, composite geotechnical substances can additionally be utilized in a couple of fields such as mining engineering, tunnel engineering, and marine engineering.

In summary, composite geotechnical materials are an essential civil engineering cloth with a couple of features and utility advantages, which are of remarkable importance for enhancing the engineering overall performance of soil and improving the balance of engineering structures.

Property	unit		BC50/D200	BC63/D200	BC70/D200	BC80/D200	Test Standard
Geocomposite specification
Hydraulic conductivity(MD)	M²/s	2.8×10-3		3.2×10-3	4.0×10²	5×10-3	ASTM D4716
Puncture	KN/m	0.17		0.17	0.17	0.17	ASTM D7005
Resistance	KN/m	0.17		0.17	0.17	0.17	ASTM D7005
Core Material Geonet Specification
Thickness	mm	6.3		7.0	8.0	9.0	ASTM D5199
Density	g/cm³	0.94		0.94	0.94	0.94	ASTM D1505
Carbon Black Content	%	2		2	2	2	ASTM D1603
Tensile strength (MD)	KN/m	8.0		10.0	12.0	14.0	ASTM D7179
Geotextile Specification
Unit weight	g/m2	200		200	200	200	200
Geotextile type		Continuous filament non-woven geotextile

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