Loo and Yao (1995) directed exploratory examinations on eighteen half scale inside association models to assess their quality and flexibility properties under static and rehashed stacking. Eighteen half scale models were manufactured, influencing six gatherings of two precast examples (To type A also, Sort B) and one solid example. The point of view perspective of the association Write An and Sort B are appeared in Figures 2.1 and 2.2 separately. All models had similar measurements yet unique solid qualities and/or steel proportions. It was reasoned that under both static and rehashed stacking, the precast associations accomplished a higher flexural quality than solid associations.The precast association composes under rehashed stacking, had bigger vitality engrossing limits than solid models.