Question

bitumen bleeding is caused due to?​

Answer 1

Explanation:

Bleeding or flushing is shiny, black surface film of asphalt on the road surface caused by upward movement of asphalt in the pavement surface. Common causes of bleeding are too much asphalt in asphalt concrete, hot weather, low space air void content and quality of asphalt

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Answer 2

Answer:

Bleeding occurs when asphalt binder fills the aggregate voids during hot weather and then expands onto the pavement surface. ... Excessive asphalt binder in the HMA (either due to mix design or manufacturing) Excessive application of asphalt binder during BST application .