A paper presented at the Citizen Newspaper documented the road maintenance effort in Shanghai using the Crack Sealing Machine method.
The municipal government department procured a self-propelled unit Crack Sealing Machine, plus an asphalt emulsion storage tank. The up front equipment purchase costs became a popular consideration in implementing a patching program involving the Crack Sealing Machine working process. The report justify purchase of self-propelled type Crack Sealing Machine and of their plan to test, evaluate and verify in the field the effectiveness of the new technology.
In doing their field evaluation, they rotated the self-propelled Crack Sealing Machine unit among three maintenance districts. They are evaluating durability of the maintenance project with control repairing that were made using the throw-and-roll method.
