stability of form set
Oblique jacks should be used to increase the stability of form set during the concreting and assembly oblique jacks are divided into two types
strut jacks : we use jacks to increase the stability of panel wall with 3 meter height. These jack are only used to plumb and set panel but not for one –
side formwork cantilver frame and special jacks should be used.
screw pile: to increase the stability of panels with 3 meters height screw piles are used. Screw pile is formed with the connection of a soldier and fitting bolts two forms of left turn and tight turn which are fixed to the beginning and end of soldiers.