Road and bridge crack reinforcement device and method

A road and bridge crack reinforcement device comprises foundation fixing portions on the left side and the right side, wherein the fixing portions are vertically fixed to a foundation, upper, middle and lower layers of the foundation fixing portion on one side and the foundation fixing portion on the other side all pass through cross beams, the middle layer of each foundation fixing portion passesthrough at least one group of cross beams, if gaps are deep, the middle layers can also be provided with several groups of vertically arranged cross beams, and the fixing portions are vertical beams.Each cross beam comprises three sections, the ends on two sides are connecting columns, and the middle portion is a tension spring. The invention also discloses a reinforcement method of the road andbridge crack reinforcement device. Compared with the prior art, the road and bridge crack reinforcement device has the advantages that two rows of vertical beams are all fixed in roadbeds, the upper,middle and lower sections o