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2. Sealcoat - Wikipedia

   en.wikipedia.org/wiki/Sealcoat

   Sealcoating, or pavement sealing, is the process of applying a protective coating to asphalt-based pavements to provide a layer of protection from the elements: water, oils, and U.V. damage. The effects of asphalt sealers have been debated.

3. Crocodile cracking - Wikipedia

   en.wikipedia.org/wiki/Crocodile_cracking

   Fatigue cracking manifests itself initially as longitudinal cracking (cracks along the direction of the flow of traffic) in the top layer of the asphalt. [5] These cracks are initially thin and sparsely distributed. If further deterioration is allowed, these longitudinal cracks are connected by transverse cracks to form sharp sided, prismatic ...

4. Pavement cracking - Wikipedia

   en.wikipedia.org/wiki/Pavement_cracking

   Some of the most important types of crack are as follows: [1] [4] Crocodile cracking, also known as alligator cracking and fatigue cracking; Block cracking (caused by shrinkage of asphalt) Longitudinal cracking—wheel path; Longitudinal cracking—non-wheel path; Transverse cracking; Reflection cracking at joints

5. Chipseal - Wikipedia

   en.wikipedia.org/wiki/Chipseal

   The introduction of polymer-modified bitumen and emulsion binder has increased chipseal's ability to prevent crack reflection and improve stone retention by improving the properties of the bitumen binder. Newer techniques use asphalt emulsion (a mixture of liquid asphalt, surfactant, and water) instead of asphalt. This has been shown to help ...

6. Reflective crack - Wikipedia

   en.wikipedia.org/wiki/Reflective_crack

   Reflective crack. A reflective crack is a type of failure in asphalt pavement, one of the most popular road surface types. Asphalt pavement is impacted by traffic and thermal loading. Due to loading, cracks can appear on pavement surface that can reduce the Pavement Condition Index (PCI) dramatically. The pavement can be maintained by overlay.

7. Bitumen - Wikipedia

   en.wikipedia.org/wiki/Bitumen

   The bitumen is found in the form of veins, filling cracks in a more or less horizontal direction. The bitumen content varies from 83% to 92% (soluble in carbon disulphide), with a penetration value near to zero and a softening point (ring and ball) around 120 °C. The insoluble matter, consisting mainly of silica ore, ranges from 8% to 17%.