Some explanations about modified asphalt

2018-08-09

At least so far, the literature we have contacted has not specified the colloid mill speed in detail, and there is no relevant technical standard for this. So 4000rpm is still 3000rp...

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2015 highway subgrade design specification

2018-08-07

do you know? The JTGD30-2015 "Code for Design of Highway Subgrade" is now released. As the standard of highway engineering industry, it will be implemented from May 1, 2015...

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