An anti - force Cable Cradle embodiment of the method and apparatus of preloading

The present invention discloses a reaction formula Cable Cradle preload device, characterized by: a prepared hole, the front plate, rear plate, the leveling layer, coupling beam, the beam and the thrust pad system; the reserved reserved holes before pouring has been poured beam sections; anti-beams according to Bailey, the pad is provided at the front end position of jack holes reservation beam has beam sections by pouring the anchor and attached anchor beam; the the jacks and the jack of the base to be placed on the carrier platform hanging basket casting section of the beam; said thrust system Basket lanyard part, fixed to the top of beam segment has been poured on the bottom of the connection Cradle bearing platform withstand horizontal component of cable; said hanging basket carrier platform part Basket lanyard, the lanyard Cradle by itself before and after the boom suspended on the boom girder section is poured. Between the hydraulic jack on the base steel by the present invention is placed in the anchoring segment has Girder beams and Bailey Cradle bearing reaction force loads applied to the platform Cradle bearing platform, the purpose of the preload Cable Cradle .