Resin Concrete Drainage Ditch, is a new type of good building material.
Now in the development of urban construction, the construction of water supply and drainage system more and more attention.The construction of water supply and drainage system is related to the discharge of sewage produced by People’s Daily life smoothly; Road drainage is related to people’s travel convenience and safety;
But now because of the drainage facilities are not in place, coupled with the drainage facilities used materials caused by the pipeline blockage, the rainy season drainage is not smooth, leading to the road flooded, to people’s life and travel has brought great inconvenience, but also brought safety risks and other problems;This also makes the municipal drainage of the city is often ridiculed by people.
Why now some drainage facilities are so easy to blockage, a large amount of rain will not be able to smooth drainage and even pour out of the situation? These problems occur in addition to the construction period there is no reasonable planning, with the selection of what kind of material drain also has a great relationship. Most of today’s drains use traditional cement drains, which are drained through brick drains made of cement mortar, which makes the surface of the cement drains very rough in contact with the sewage. The rough contact surface will make the debris in the water adhere to it and can not follow the water drainage. For a long time, the accumulated debris is more than one, and the drainage ditch can not normally drain, which leads to blockage, poor drainage, and the water in the drainage ditch.Cement drainage ditch is the use of sand and cement, cement is corrosive, will produce pollution to the environment, and the required construction period is long, maintenance is not convenient.
Compared with the traditional cement drainage ditch, resin concrete drainage ditch has strong advantages. Resin concrete drains have no cement in them. They are formed by mixing different levels of aggregate with resin.The contact surface of the inner wall of the resin drainage ditch is very smooth, which makes the debris in the water can not be adhered to the inner wall surface, to ensure the normal drainage. In its use of raw materials, it is the use of environmentally friendly materials mixed, will not cause pollution to the environment.They are also much easier to install and maintain than cement drains.
The Resin Concrete Drainage Ditch, including the finished product drains, linear drain, u-shaped drain, it abandoned the cement ingredients, also do not need to add any liquid water, mix of different levels of aggregate reaction by resin molding, resin concrete drain has the advantages of high strength, light weight, an equal volume of products is higher than ordinary cement products pressure level obviously several times, And because the drainage system is all modular, the construction is easier to manually operate the assembly, so that the cost is reduced. The product is impermeable to water, anti-freezing, and can effectively prevent the erosion of a variety of corrosive chemicals. It can also be used under the conditions of complex sewage composition. It is a modern environmental protection product widely used in Europe and the United States, and is widely used in more and more domestic projects.
The material used in the Resin Concrete Drainage Ditch is polyester resin, which is a new material. The resin drainage ditch produced by this material has a good corrosion resistance, and the cement drainage ditch itself is corrosive, how much will affect the surrounding environment, the resin will not be so; Resin concrete is more stable than thermoplastic resin material after cement, like glass stability. High strength, good environmental stability, belongs to the second class of green environmental protection materials in China; In the European Union, it is allowed to recycle rolled gravel for reuse, and even directly as roadbed materials, without the problem of environmental pollution. Resin drain is convenient to install and easy to maintain. Compared with the cement drain difficult maintenance, difficult maintenance, maintenance, replacement Chen Bengao shortcomings, resin drains under the correct specifications and installation, use fixed number of year is almost unlimited design, relative to the cement concrete, plastics and other materials, use fixed number of year high, annual maintenance costs are relatively low, the economic benefit of resin concrete material is adopted is far higher than other materials, And the resin surface is smooth and compact, good hydraulic characteristics, not easy to accumulate sediment, can reduce the number of maintenance. Irregular flushing with high pressure water column is easier for sediment deposition, unlike cement concrete, which has the risk of damage and saves maintenance costs.
Features of resin drainage ditch:
l compressive and bending strength
Resin three-dimensional network molecular structure, and filler reaction can attack strong bonding ability, so it has a high compressive strength and bending strength, the compressive strength of special planning can be as high as 2500kg/cm2
l Resistance to acid and alkali
Polyester resin concrete corrosion resistance is strong, on the biological sulfuric acid corrosion and acid soil resistance ability is particularly good.
l Corrosion resistant
No pores, no water absorption, all corrosion, damage are blocked outside, can prevent biological growth on its surface, damage; Let no pests have a chance to live. A short time of high concentration of chemical corrosion, because of the high amount of aggregate filling, and no capillary phenomenon, damage will only occur on the surface, will not deepen the internal concrete, damage the structural strength.
l Environmental stability
The stability of polyester resin concrete after cement is higher than that of thermoplastic resin.Glassy stability. High strength, environment stability is good, in the domestic classification of green environmental protection materials; In the European Union, it is allowed to recover the rolled gravel to be used again, and even directly as a roadbed material, without the problem of environmental pollution.
l Good cold
Weather resistance, even in the harsh environment still will not have the phenomenon of brittle crack or damage.Because of the stability of the molecular structure, with anti-ultraviolet ability, unlike the general engineering plastics because of the ultraviolet formation of material aging, brittle crack phenomenon.Freeze-thaw resistance, not afraid of cold damage, can be safely used in mountain snow areas.
l Life is long
Under the correct standard requirements and equipment, there is no restriction on the planning of the service life, related to cement concrete, plastic and other materials, the service life is high, the annual amortized cost is relatively low, so the economic benefit of resin concrete material is far higher than that of other materials.
l Light weight, accurate scale
High strength/component ratio.For products with the same standard strength, the thickness of the material can be reduced, and the weight of the products can be greatly reduced, making the products lightweight. And reduce transportation, hoisting, excavation and other costs. The plasticity is strong, can produce various accurate shape according to various standard scale.
l Easy to process, equipment and stick
It has been proved by the test that after the bending test is broken, the bonding will not crack at the original cracking place. Good for connection, and then improve the overall water tightness.It has the benefits of simple construction and convenient equipment, and it helps to control the construction period.Processing is simple, can be drilled, cut, and other processing.
l Smooth surface, free from maintenance
Smooth and fine surface, roughness coefficient n=0.010, good hydraulic characteristics, not easy to accumulate sediment, can reduce The Times of maintenance.Not punctual to high-pressure water scour, on the removal of sediment deposition is more simple, unlike cement concrete, there is a risk of damage, save maintenance costs.
l Freezing-thawing resisting
The replacement of the frozen dredge understand the function of the reduced cement, and the impact on the resin concrete is very small, because the resin concrete internal no suction water hole structure, 1600 times of freeze-thaw test did not attack the quality of the function of the change.
l Permeability and water absorption resistance
The water absorption rate of resin concrete is below 0.1% according to the component. It’s much smaller than wood or cement, and its permeability is zero.
Small drainage ditch, also need scientific and technological innovation, advance the quality of products, the resin concrete drainage ditch continued to promote the use of. Now resin concrete drainage ditch can be used in a variety of places, parks, squares, railway stations and so on. As a very important equipment in commercial places, drainage ditch should be required to do the most safe insurance guarantee in planning and construction.
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