Preventing rainwater from entering the roadbed! A circular manhole cover replacement method that can prevent pavement heave.
The "High-Grade Construction Method" is a new technique developed to prevent rainwater infiltration into the subgrade and to improve the durability of pavements and circular construction methods, utilizing the characteristics (stability) of ER asphalt concrete. By creating steps and establishing transverse joints, it prevents rainwater from entering the subgrade. By applying a rough surface treatment, adhesion increases, which suppresses the occurrence of ruts, flow, deformation, and peeling of the pavement material caused by passing vehicles, thus maintaining flatness and enabling vibration mitigation. 【Features】 ■ A new construction method developed utilizing the characteristics (stability) of ER asphalt concrete ■ Prevents rainwater from entering the subgrade by creating steps and establishing transverse joints ■ Prevents rainwater infiltration into the subgrade and helps prevent pavement frost heave ■ Distributes the load on the joints affected by passing vehicles, improving durability ■ Suppresses the occurrence of ruts, flow, deformation, and peeling of the pavement material caused by passing vehicles *For more details, please refer to the PDF materials or feel free to contact us.
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basic information
[Work Procedure] ■ Pavement Slab Cutting ■ Step Cutting Blade ■ Cutting Completed ■ Inner Cutting Pavement Removal ■ Outer Cutting Pavement Removal ■ SF Mortar Placement ■ Unevenness Treatment ■ Primer Application ■ ER Asphalt Concrete Production ■ ER Asphalt Concrete Spreading ■ Compaction ■ Completion * For more details, please refer to the PDF document or feel free to contact us.
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For more details, please refer to the PDF document or feel free to contact us.
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Company information
CSK Corporation has been committed to customer satisfaction since its establishment, engaging in the replacement and repair of manhole covers on roads, as well as telecommunications construction, for over twenty years. We take pride in our accumulated achievements and development capabilities in response to customer requests for road maintenance and repair work, and we will fulfill our responsibilities as a united company to realize a society that is kind to people and contribute to society.
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