T/CCTAS 144-2024 Active Group standards

T/CCTAS 144-2024 New-old mixed asphalt PG rating test (asphalt mortar method)

Publish Date: 2024-10-18 Implement Date: 2024-10-18 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/CCTAS 144-2024

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Highway engineering

ICS Name: Road construction materials

Publish Date: 2024-10-18

Implement Date: 2024-10-18

Scope

Main technical content: The accurate characterization of the technical indicators of the old asphalt in RAP materials is the basis for the fine-grained design of high-dose recycled asphalt mixtures. At present, domestic and foreign standard methods (chemical extraction method) are criticized for requiring the use of chemical reagents (such as toluene) that are harmful to humans and the environment, the presence of residual reagent pollution, and excessive testing time. This project uses mortar as a sample and establishes corresponding test and data analysis methods, achieving the goal of predicting the PG grade of old asphalt and any proportion of new and old mixed asphalt without chemical extraction.