JTJ/T 261-1997 Port engineening technical code of design and constraction for large diameter post tensioned prestress concrete cylinder pile (English Version)
2011JTS 167-6-2011 Port engineering technical code of design and construction for large diameter post tensioned prestress concrete cylinder pile
1997JTJ/T 261-1997 Port engineening technical code of design and constraction for large diameter post tensioned prestress concrete cylinder pile
JTJ/T 261-1997 Port engineening technical code of design and constraction for large diameter post tensioned prestress concrete cylinder pile was changed to JTS 167-6-2011 Port engineering technical code of design and construction for large diameter post tensioned prestress concrete cylinder pile.