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lapen

Lapisan Penetrasi

Macadam Penetration Layer (LAPEN) is a layer of pavement consisting of the principal aggregate and uniformly graded locking aggregate which is bound by asphalt by spraying it over the main aggregate and the compaction is carried out layer by layer.

slurry seal

Buras

Asphalt sprinkling (BURAS) is a cover layer consisting of a maximum grain size of 9.6 mm or 3/8 inch asphalt sand sprinkling layer. One-layer Stone Laburan (BURTU) is a cover layer consisting of a layer of bitumen sprinkled with one layer of uniformly graded aggregate.

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