SCAFFOLDING GIRDER INTRODUCING PRESTRESS USING A DEVICE GENERATING TENSION IN STEEL WIRE AND PRESTRESS INTRODUCING METHOD THEREOF

摘要

PURPOSE: A scaffolding girder introducing prestress using a device generating tension in steel wire and prestress introducing method thereof are provided to prevent the destroying of soil around an EXCAVATION site. CONSTITUTION: A scaffolding girder introducing prestress using a device generating tension in steel wire comprises a prestressed temporary facility girder(20), a steel member(25), a sliding space part(22), a support(12), an anchorage(23), a stroke generator(30), a load transmission member(24) and a steel wire guide part(40).