GB/T 43991-2024
Active
T/CHCA 002-2019
Active
Group standards
T/CHCA 002-2019 Road tunnel wet spray concrete construction technical guidelines
T/CHCA 002-2019 Road tunnel wet spray concrete construction technical guidelines
Price:
$ 20.00
Basic Information
Standard Code:
T/CHCA 002-2019
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
-
ICS Name:
\nTunnel construction
Publish Date:
2019-08-27
Implement Date:
2019-10-01
Scope
Main technical content: Shotcrete is used for temporary protection or initial support of highway tunnels. It can be used alone or in combination with other support structures such as anchor rods, reinforcing steel mesh, and steel frames to form a support system. Its main functions are to seal the surrounding rock, support the surrounding rock, and prevent the surrounding rock from loosening. This guide, based on a summary of the construction technology of shotcrete in highway tunnels, conforms to the trend of engineering technology development and comprehensively elaborates the technical points of wet-sprayed concrete in highway tunnels from aspects such as raw materials and mix ratios of shotcrete, wet-spraying technology, and quality control and inspection.
Development Information
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