Naoto@IKARASHI

A Research on Structural Evaluation Method for Base Course and Subgrade by using Handy FWD Device

Teruhiko@MARUYAMA


In road pavement, the CBR test and the plate-bearing test are applied to the bearing capacity evaluation method of subgrade and base course. However, these tests have the fault of taking a large-scale device and large-scale time too much. Then the Handy FWD test is considered now. But this device has many unknown point in a measuring method etc, because it has been just developed. So I built subgrade and base course similar to road pavement, and performed the Handy FWD test and plate-bearing test. Then, in order to enable evaluation equivalent to the plate-bearing test, I clarified the measuring method and processing method of data in the Handy FWD test.