To evaluate the carrying capacity of the existing AC pavement,the surface elastic deflection is measured using the Beckman beam or FWD,and the compositive elastic modulus can be calculated. The standard control value of the modules recommended is 188 MPa.
英
美
- 采用貝克曼梁或落錘式彎沉儀(Falling Weight Deflectometer；FWD)；測定舊瀝青路面表面回彈彎沉；計算綜合回彈模量；來(lái)評價(jià)舊瀝青路面承載能力；并推薦控制標準值為當量回彈模量宜大于188 MPa.
