公路路基路面现场测试规程(英文版)

1 General Provisions 1 2 Terms and Symbols 3 2. 1 Terms 3 2. 2 Symbols 6 3 Field Sampling 7 T 0902—2019 Approach in selecting sampling or measuring positions 7 T 0903—2019 Sampling by coring or by test hole 9 4 Geometric Control 12 T 0911—2019 Measurement of the dimensions of subgrade and pavement layers 12 T 0912—2019 Measuring the pavement layer thickness by cutting or coring methods 18 T 0913—2019 Measuring pavement layer thickness with ground-penetrating radar 20 T 0914—2019 Measuring road alignment with Road Geometry Data Acquisition System (RGDAS) 24 5 Field Density 29 T 0921—2019 Testing field density with sand cone method 29 T 0922—2008 Testing field density with a nuclear density gauge 38 T 0923—2019 Testing density with core cutter 44 T 0924—2008 Testing field density of an asphalt layer by core drilling 50 T 0925—2008 Testing asphalt density with non-nuclear density gauge 52 T 0926—2019 Method for determining settlement difference of soil and rock fill embankment 57