The grader is the main machine used for shaping and leveling operations in earthworks, and is widely used in large-scale ground leveling operations such as roads and airports. The reason why the grader has a wide range of auxiliary work is because its moldboard can complete 6 degrees of movement in space. They can be carried out either singly or in combination. The grader provides sufficient strength and stability to the subgrade during subgrade construction. Its main methods in roadbed construction include leveling operations, brushing operations, and filling embankments.
The grader is a high-speed, high-efficiency, high-precision and multi-purpose earthmoving machine. It can complete large-scale ground leveling of roads, farmland and other large-scale ground leveling and trenching, scraping, bulldozing, snow removal, loosening, compaction, fabric, mixing, assisting and land reclamation. It is an important equipment in the construction of national defense engineering, mine construction, road construction, water conservancy construction and farmland improvement. Highway subgrade is the foundation of pavement and an important part of highway engineering. The roadbed is subjected to traffic loads from the road surface and is the supporting structure of the road surface. It must have sufficient strength, stability and durability. Depending on the terrain, highway subgrades generally take the form of embankments and roads.
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