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The Composite Well Cover Has The Following Characteristics I

The composite well cover is made of high polymer composite material, with steel bar as the main internal framework, and is produced by high temperature molding. Its strength can bear 50 tons of weight.
 
The well cover is light in weight, convenient for transportation and installation, and can greatly reduce labor intensity. The new resin well cover has a good anti-theft performance, because the synthetic resin material has no recycling value, effectively put an end to the emergence of "urban black hole".
 
The composite well cover has high precision and corrosion resistance. After high temperature molding production, it has good acid and alkali resistance and corrosion resistance, effectively extending the service life of resin well cover.
 
Installation characteristics
 
With the continuous development of technology, well cover, as a common municipal and architectural material, has developed rapidly. Here are the installation precautions for the composite well cover:
 
1、 In order to keep the appearance of the cover beautiful and the surface pattern and handwriting clear, a thin iron sheet or wood plate shall be used to cover the well cover during the construction of asphalt pavement, and the black well cover can also be brushed with waste oil to prevent the asphalt from spraying on the well cover
 
2、 The inner diameter, length x width and square circle of the brick masonry of the well cover shall be determined according to the well cover size designed by the Design Institute, which can also be executed according to the corresponding standards. A concrete protection ring with a width of 40cm shall be cast around the well cover, and the maintenance period shall be more than 10 days
 
3、 When installing the well cover on the asphalt pavement, it is necessary to avoid the construction machinery directly rolling the well seat. During the integral casting of the pavement, a hole slightly larger than the well seat shall be reserved on the pavement and placed after the asphalt pavement is completed
 
4、 After the well base is poured or paved with asphalt by concrete, the well cover shall be opened and cleaned in time to avoid mortar or asphalt from pouring the inspection well cover and the base into one, so as not to affect the opening in the future
 
Development course of well cover
 
(1) Its strength is next to that of stone plastic well cover. It can carry more than 40 tons of vehicles.
 
(2) Its comprehensive performance is between the stone plastic well cover and the concrete well cover, which is superior to the concrete. It can be applied to the occasions with high technical requirements for the well cover.
 
(3) Its outstanding advantage is that it does not use steel frame for reinforcement, but glass fiber composite reinforcement, which belongs to GRC type products. Therefore, it has the advantage of being unaffected by the rising price of steel. Because it does not contain a little iron, it is more anti-theft than stone plastic and fiber concrete well covers.
 
(4) Its curing speed is several times faster than that of fiber concrete, and it can be demoulded in 8 hours. If it is produced in three shifts, it can be demoulded three times in 24 hours. Although the mold consumption is more than that of stone plastic, it is only about 1 / 6 of that of fiber concrete well cover, which can also reduce the mold investment. The annual output is 10000 sets of well covers, only 10 sets of molds are needed.
 
(5) The compound well cover is ideal, advanced and incomparable with other moulds (such as rubber mould, plastic mould and FRP mould).
 
(6) In the continuous improvement and renewal of the composite well cover, each index has exceeded the industry standard of the Ministry of construction and basically reached the quality standard of the well cover industry in China.
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