Announcement on Soliciting Opinions on the Group Standard of Technical Specification for Ground Treatment with Vibro-compaction Stone Columns by Sinking Pipe Method
Document of CIN:〔2026〕No. 2-026
To all relevant Entities:
According to the revision plan of group standards of China Institute of Navigation(CIN), the Institute have organized and compiled the group standard, namely Technical Specification for Ground Treatment with Vibro-compaction Stone Columns by Sinking Pipe Method, which has now been drafted for soliciting feedback.
In accordance with the requirements of “Management Measures for Group Standards of China Institute of Navigation,” we are now sending the draft of the group standard and the compilation instructions to your unit, to ensure the standard is science-based, rigorous, and applicable.
Please submit your comments and the feedback form via email to tuanbiao@cinnet.cn before August 1, 2026.
If there is no reply by the deadline, it will be considered as having no comments. Thank you for the support to the group standard work of China Institute of Navigation!
Contact Person: Jiao Lingxi
Tel:136 8361 2468
Attachments:
- Technical Specification for Ground Treatment with Vibro-compaction Stone Columns by Sinking Pipe Method (Draft for Soliciting Opinions)
- Technical Specification for Ground Treatment with Vibro-compaction Stone Columns by Sinking Pipe Method (Compilation Instructions)
Feedback sheet for Soliciting Opinions
China Institute of Navigation
July 1, 2026
