The geomembrane needs to be spliced or connected with the surrounding concrete toe board, and its quality directly affects the anti-seepage performance of geomembrane
.
Sunlight can damage the strength, so protective measures must be taken
.
Therefore, when designing the anti-seepage structure of solid waste dump, the biogas digester geomembrane produced breaks through the traditional construction of biogas digester HDPE geomembrane instead of composite geomembrane is used as building material, which can effectively replace conventional pool building materials (such as concrete, steel plate, brick, etc.) at low cost to solve the problems of shortage and high price of pool building materials
.
It has the advantages of simple and convenient construction, fast and low cost, simple process flow, convenient operation and maintenance, long detention time of sewage, adequate digestion, good sealing performance, high daily production of biogas, high tensile strength, anti-aging and corrosion resistance, good impervious effect, and composite geomembrane
.
The laying shall be smooth and the tightness shall be moderate, and about 1.5% of the remaining width shall be reserved, so as to avoid tearing the geotextile due to tensile damage
.
The laying shall be smooth and the tightness shall be moderate, and about 1.5% of the remaining width shall be reserved, so as to avoid tearing the geotextile due to tensile damage
.
It is located in Lingxian County, Dezhou, Shandong Province, with convenient transportation
.
When the shear displacement reaches a certain degree, the interfacial shear stress will remain stable
.
If it is too thin, it may cause air holes, and it is easy to be damaged in the construction and reduce the anti-seepage effect
.
The polymer is not hygroscopic and is directly sold by geomembrane manufacturers
.
The laying should be smooth, the tightness should be moderate, and about 1.5% of the remaining width should be reserved to avoid tensile damage
.
The value of shear stress between geomembrane and solid waste should be carefully considered.
.
Geomembrane manufacturers directly sell “13285449688” wechat “13184113881” composite geomembrane, which is to stick geotextiles on one or both sides of the membrane to form composite geomembrane
.
Gas power generation waste heat, film absorption of sunlight, heating insulation effect is good, automatic sludge discharge device is set at the bottom of the pool, less sludge in the pool and so on
.
Therefore, a certain degree of tightness shall be maintained, and the geotextile can be folded evenly if necessary
.
The general joint methods are: ① lap joint: the lap joint width should be greater than 15cm; ② hot welding: it is suitable for slightly thick geomembrane substrate, and the lap joint width should not be less than 5cm
.
The appearance of the original HDPE is milky white and translucent to a certain extent in the thin section
.
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.
Sunlight can damage the strength, so protective measures must be taken
.
Therefore, it can be used very well
.
Before laying the composite geomembrane, the construction of sand free concrete in the lower cushion should be carried out first, and then the rolled geomembrane should be laid longitudinally from bottom to top along the dam slope
.
The geotextile “13285449688” wechat “13184113881” is used more strongly
.
Geotextile is used as the protective layer of geomembrane to protect the impervious layer from damage
.
The geomembrane needs to be spliced or connected with the surrounding concrete toe board, and its quality directly affects the anti-seepage performance of geomembrane
.
The difference between composite geomembrane and HDPE geomembrane is that the composite geotextile on both sides plays a protective role
.
The increase range of interfacial shear stress between HDPE geomembrane and industrial solid waste is not linear
.
The geotextile is divided into filament geotextile and short filament geotextile, and the gram weight is generally 100-600g
.
Its forms are one cloth one film, two cloth one film, two film one cloth and so on
.
Because of that kind of material, it has relatively strong super strength and tensile strength level, so it can meet the requirements of today’s compressive strength
.
The joint treatment of composite geomembrane is a key process, which directly affects the anti-seepage effect
.
HDPE film is a plastic roll made of HDPE, and its HDPE is a kind of thermoplastic resin with high crystallinity and non polarity
.
The geomembrane needs to be spliced or connected with the surrounding concrete toe board, and its quality directly affects the anti-seepage performance of geomembrane
.
Before laying the composite geomembrane, the construction of sand free concrete in the lower cushion layer shall be carried out first, and then the rolled geomembrane shall be laid longitudinally from bottom to top along the dam slope
.
After the geotextile is laid, it can not be exposed to sunlight, because the geotextile is made of polyester raw materials
.
HDPE Composite HDPE film is also known as HDPE film, HDPE geomembrane and HDPE impervious film
.
If it is aimed at tearing the geotextile nowadays, it is necessary to maintain a certain degree of tightness, and if necessary, it can make the geotextile have uniform folds
.
Therefore, a certain degree of tightness shall be maintained, and the geotextile can be folded evenly if necessary
.
PE has excellent resistance to most domestic and industrial chemicals
.
According to the practice for many years, the thickness of geomembrane is not less than 0.3mm
.
In the construction of geomembrane, special attention should be paid to ensure that the laying should not be too tight, no wrinkling, and the splicing should be firm
.
The company’s products use the specified standards to organize production, and the testing means are complete
.
The HDPE geomembrane can completely seal the whole anaerobic pond
.
The construction shall be carried out in strict accordance with the technical specifications, and the quality of preparation, laying, splicing, inspection and backfilling shall be well controlled
.
The company’s products include geotextile, geomembrane, impervious membrane, composite geomembrane, waterproof board, bentonite waterproof blanket, ecological bag, grass proof cloth, geogrid and other geosynthetics
.
Sunlight can damage the strength, so protective measures must be taken
.
Some kinds of chemicals can cause chemical corrosion, such as corrosive oxidants (concentrated nitric acid), aromatic hydrocarbons (xylene) and halogenated hydrocarbons (carbon tetrachloride)
.
After the geotextile is laid, it can not be exposed to sunlight, because the geotextile is made of polyester raw materials
.
Before laying the composite geomembrane, the construction of sand free concrete in the lower cushion layer shall be carried out first, and then the rolled geomembrane shall be laid longitudinally from bottom to top along the dam slope
.
In order to reduce ultraviolet radiation and increase anti-aging performance, the embedding method is used
.
After the geotextile is laid, it can not be exposed to sunlight, because the geotextile is made of polyester raw materials
.
