刘凯辉

Pre-tensioning jack for pre-tensioned track board and method for tensioning pre-stressed twisted steel of track board by use of pre-tensioning jack

王青, 胡毅, 孟斌, 2014 .

Shred making line controlling method and system based on material flow balance

赵伟, 张建林, 赵凯, 2013 .

Dynamic real-time monitoring method for concrete bridge prestressed tendon tensioning force and special prestress construction system

吴鑫, 马林, 牛斌, 2015 .

Pre-stress construction system

郝金杰, 叶剑波, 刘凯辉, 2012 .