High tensile strength, good permeability, air permeability, high temperature resistance, anti-freeze, aging, corrosion resistance, non-worm decay.
Polyester staple is a kind of widely used earthwork composite material.
Widely used in railway subgrade reinforcement, highway pavement maintenance, sports hall, of the levee protection, hydraulic structures of isolation, hence hole, tidal flats, reclamation, environmental protection and other projects.
Composite geomembrane anti-seepage structure from top to bottom in turn on the protective layer, cushion, impervious layer, the cushion layer, support layer, because of the dam body and the soil is fine grained soil at the bottom, after leveling cement can be directly laid geomembrane, therefore no longer set the cushion layer.
The upper and protective layers are treated differently for different parts.
Under the dam, the upper layer adopts an average thickness of 20cm thick gravel to meet the requirements of the filter, and the protective layer adopts 30cm thick dry masonry surface.
The upper layer adopts 5cm thick mortar and the protective layer adopts 6cm thick concrete prefabricated surface.
The bottom of the library is covered in the composite earthen film covering 60 ~ 80cm and compacting fine grained soil as a protective layer.
Has high tensile strength and extensibility, it combine with plastic film, not only increased the tensile strength and puncture resistance of plastic film, and because the non-woven fabric surface is rough, increasing the contact surface friction coefficient, is advantageous to the composite geomembrane, and the stability of the protective layer.
At the same time, they have good corrosion resistance to bacteria and chemical functions, and they are not afraid of acid, alkali and salt, and they are long used in the use of light.
Post time: May-15-2017