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Small rollers: what are rollers? What does it do?
Release time:
2023-01-31
Source:
Small road roller: road roller, also known as earth compactor, is a kind of road construction equipment. Road rollers belong to the category of road equipment in engineering machinery. It is used for filling and compaction of high-grade highways, railroads, airport runways, dams, stadiums and other large-scale engineering projects. It can crush sandy, semi-cohesive and cohesive soils, roadbed stabilized soils and asphalt concrete pavement. The road roller is suitable for all kinds of compaction operations due to the gravity of the machine itself, which deforms and densifies the compacted layer. Road roller it is divided into steel wheel type and tire type.
Small road roller: use of road rollers.
(1) In the process of highway construction, the main construction materials are asphalt concrete, cement concrete, stabilized soil and other road construction materials. In order to keep the particles of the road construction materials in a compact state and increase the cohesion between the particles, static and dynamic methods can be used to make them denser. This compaction process has a substantial impact on improving the strength of the road construction materials and the overall building in use. All can be accomplished by the compression of the rollermachine. The compaction effect is an important factor that directly affects the quality of the project. Therefore, it is necessary to use a special roller to compact the roadbed and pavement to enhance its strength, impermeability and denseness, so as to prevent settlement damage caused by rain, snow and wheel action. Different rollers should be selected according to different purposes
(2) Small roller: compaction of highway materials is an important process of construction. On the basis of correct selection of compaction method, adoption of compaction machinery parameters and compaction conditions, the high-density performance of the material can be realized. The quality of compaction can be evaluated by compaction index. In highway construction, the heavy-duty standard compaction method is often used to determine the better moisture content and greater degree of compaction of the soil. Densification is obtained when the surface contact stress of the soil or other material approaches the following preferred values.
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