Standard to provide specific information necessary for road and pavement design
ASTM International’s geosynthetics committee (D35) is developing a proposed standard that will help provide engineers with specific information for components necessary for road and pavement design.
The proposed standard (WK70888) outlines a commonly used test to characterize the performance of geotextiles and geosynthetics for roadway applications. Specifically, it describes the use of the cyclic plate load (CPL) test to evaluate the performance of geosynthetic reinforced pavements. While CPL tests have been used for the past 20 years, there is currently no standard for conducting such tests to characterize performance of geosynthetics. The test method covered in the proposed standard will help establish procedures that will ensure CPL tests are performed in a proper and unified manner.
According to ASTM International member Eli Cuelho, the proposed standard will be most useful to engineers seeking to incorporate geosynthetics into road designs and need performance information based on reliable standardized tests.
“Geosynthetics are often used to improve the performance of roads,” says Cuelho. “However, due to complexities associated with individual products and the range of geosynthetic applications, performance characterization of geosynthetics has not been unified. Therefore, empirical methods are relied upon to provide performance information that can be used by engineers to design geosynthetic-reinforced roads.”
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