GB/T 18341-2021Specifications of survey for geological and mineral resources exploration (English PDF)

National Standard of the People's Republic of China

ICS

73.020

Classification

D10

Issued by: State Administration for Market Regulation; Standardization Administration of China

Contents

• Preface
• 1 Scope
• 2 Normative references
• 3 Terms and definitions
• 4 General
• 4.1 General provisions
• 4.2 Coordinate system and elevation datum
• 4.3 Basic requirements for topographic maps
• 5 Plane control measurement
• 5.1 General provisions
• 5.2 Wire measurement
• 5.3 Global Navigation Satellite System (GNSS) survey
• 6 Height control measurement
• 6.1 General regulations
• 6.2 Design, selection and burying of stones
• 6.3 Leveling
• 6.4 Electromagnetic wave distance measurement and elevation wire measurement
• 6.5 GNSS elevation control survey
• 6.6 Triangular elevation measurement
• 6.7 Height measurement across obstacles
• 6.8 Inspection and calculation of elevation results
• 7 Topographic survey
• 7.1 General provisions
• 7.2 Mapping measurement
• 7.3 Supplement to test site
• 7.4 Digital Mapping
• 7.5 Topographic map surveying and mapping content
• 7.6 Revision of Topographic Map
• 7.7 Mosaic and check of topographic maps
• 8 Aerial photogrammetry
• 8.1 General provisions
• 8.2 Aerial photography data requirements
• 8.3 Layout of photo control points
• 8.4 Photo control point measurement
• 8.5 Photo Editing
• 8.6 Aerial triangulation
• 8.7 Digital Elevation Model (DEM) Production
• 8.8 Digital Orthophoto Map (DOM) Production
• 8.9 Digital line drawing (DLG) production
• 8.10 Low-altitude photogrammetry
• 9 Geological Prospecting Engineering Survey
• 9.1 General rules
• 9.2 Topographic Surveying and Mapping
• 9.3 Surveying on the prospecting network
• 9.4 Survey line profile measurement
• 9.5 Surveying of exploration tunnels
• 9.6 Positioning measurement
• 9.7 Boundary survey of mining area
• 10 Map preparation
• 10.1 General provisions
• 10.2 Compilation of topographic maps
• 10.3 Compilation of Geographical Base Map
• 10.4 Compilation of Image Geographical Basemap
• 10.5 Thematic map compilation
• 11 Sorting out and acceptance of surveying and mapping data
• 11.1 Recording and collation of observation results
• 11.2 Inspection and Acceptance
• 11.3 Submitted data items
• 11.4 Data submission requirements
• Appendix A (Normative) The basic parameters of the earth ellipsoid of the geodetic coordinate system
• Appendix B (Normative) Marks, Marking Stones and Buried Specifications of Plane Control Points of Each Level
• Appendix C (informative) Notes on control points
• Appendix D (Normative) Directional Observation Method Dial Configuration Table
• Appendix E (Informative) GNSS Data Collection Handbook
• Appendix F (Normative) Benchmarks, Marking Stones and Buried Specifications
• Appendix G (Normative) Contents and Formats of Leveling Observation Records
• Appendix H (informative) Design drawing of geological prospecting network (line) (example)
• Appendix I (informative) Profile measurement results (example)
• Appendix L (Informative) Drawing of Sectional Diagram
• Appendix M (informative) Tunnel connection survey
• Appendix N (Informative) Shaft Elevation Transmission
• Appendix O (informative) Plan of tunnel survey (example)