GB/T 43991-2024
Active
DB62/T 4970-2024
Active
Gansu ProvinceLocal standards
DB62/T 4970-2024 Road tunnel mechanized construction technical guidelines
DB62/T 4970-2024 Road tunnel mechanized construction technical guidelines
Price:
$ 30
Basic Information
Standard Code:
DB62/T 4970-2024
Standard Type:
Local standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Bridge and culvert engineering
ICS Name:
\nTunnel construction
Publish Date:
2024-09-20
Implement Date:
2024-12-20
Pages:
32 pages
Scope
This document specifies the technical requirements for the preparation of mechanized construction of highway tunnels, the matching and selection of mechanized equipment for each process, the characteristics of the equipment, the key points of quality control, and the precautions for safe operation. This document is applicable to the construction of highway mountain tunnels, except for shield tunnels and TBM tunnels.
Development Information
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