Bull and Park (1986) examined the execution of cast set up strengthened solid minute opposing casings consolidating precast pre stressed solid U-bar shells subjected to seismic stacking. The precast beam gone about as changeless formwork and were not associated by steel to the cast set up cement of the bar or segment. Three full scale outside shaft section subassemblies were tried. It was presumed that the two examples that were intended for seismic stacking was agreeable and can be utilized as a part of bendable seismic opposing casing. The third example that was outlined without uncommon arrangements for seismic stacking was appropriate for non seismic standing up to outlines where the seismic burdens are conveyed by dividers and other basic frameworks.