GB 12340-1990
Replaced
T/CSGPC 007-2023
Active
Group standards
T/CSGPC 007-2023 Railway engineering survey rock foundation standard for construction technology
T/CSGPC 007-2023 Railway engineering survey rock foundation standard for construction technology
Price:
$ 20.00
Basic Information
Standard Code:
T/CSGPC 007-2023
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Precision engineering and cadastral mapping
ICS Name:
Astronomy, geodesy, and geography
Publish Date:
2023-03-02
Implement Date:
2023-03-02
Scope
Scope: This document specifies the basic requirements for the selection of sites, design, drilling construction, installation of markers, construction of ancillary facilities, joint measurement and stability monitoring, data inspection and acceptance of bedrock markers for railway engineering measurement. This document is applicable to the construction of bedrock markers for railway engineering measurement. Main technical content: This standard is divided into ten chapters and a total of 25 sections. 1 Scope 2 Normative reference documents 3 Terms and definitions 4 Site selection 5 Design 6 Drilling construction 7 Installation of markers 8 Construction of ancillary facilities 9 Joint measurement and stability monitoring 10 Data inspection and acceptance Appendix A: Schematic diagram of bedrock marker structure Appendix B: Schematic diagram of marker stabilizer Appendix C: Verticality measurement and control Appendix D: Schematic diagram of bedrock marker house References
Development Information
Related Standards
GB 12341-1990
Replaced
GB 12341-1990 1:25000, 1:50000 and 1:100000 topographic maps—Specifications for aerophotogrammetric field work
GB/T 13605-1992
Abolished
GB/T 13605-1992 Coordinatograph
GB/T 13977-1992
Replaced
GB/T 13977-1992 Specifications for aerophotogrammetric field work 1:5000, 1:10000 topographic maps
GB/T 13989-1992
Replaced
GB/T 13989-1992 Subdivision and numbering for the national primary scale topographic maps
GB/T 13990-1992
Replaced