General principles 2 Normative reference documents 3 Terms and symbols 3.1 Terminology 3.2 Symbols or codes 4 Basic provisions for detection 5 Road ground penetrating radar detection 5.1 General provisions 5.2 Preparation for detection 5.3 Data collection 5.4 Road survey and plan formulation 5.5 Inspection and testing equipment 5.6 Road survey 5.7 Data interpretation 5.8 Detailed re-examination 6 Test results 6.1 General provisions 6.2 Road survey data recording 6.3 Data interpretation results and summary 6.4 Detailed re-examination of suspected disease points and determination of disease levels 6.5 Drilling verification and summary of disease points 6.6 Analysis of the causes of hidden dangers of road collapse and suggestions for disposal 6.7 Report preparation 7 Information management 7.1 General provisions 7.2 Road disaster early warning radar information management system Appendix A Appendix B Appendix C
T/TMHIA 003-2021 history
2021T/TMHIA 003-2021 Code for detection of underground diseases of urban roads based on Ground Penetrating Radar