Abstract
Due to the application of advanced material technology, concrete with high compressive strength is currently produced and used in many countries. This type of concrete can be produced by micro-silica and superplasticizers as well as applying good quality control procedures. The use of high-strength concrete (HSC) in building construction is becoming popular because it has many advantages such as increased strength and stiffness, reduced size of concrete sections, improved resistance to creep and drying shrinkage, and material durability. Therefore we can use high strength concrete (HSC) in columns and normal strength concrete (NSC) for beams & floor sections. Thus this study will investigate the performance of 8 storey tall buildings in ZoneIV for medium grade soil with varying high strength concrete (HSC) normal strength concrete (NSC) subjected to far-field ground motions scaled to collapse of the structure using varying grades (M20, M25, M30, M35, M40, and M50) of concrete strength subjected to seismic ground motions scaled to collapse of the structure using a linear static method and this will be achieved through analytical modeling and analysis using ETABS2018 software.
Highlights
As reinforced concrete frames respond to strong ground motion, it is likely that elements of the frame will have nonlinear behavior
1t is important to minimize the occurrence of yielding in concrete columns, especially near the base of the frame, because of difficulties encountered for detailing these elements for ductile response under high axial loads
This leads to smaller story drifts and less subsequent damage in the lower portion of the frame where columns are subjected to high axial loads
Summary
As reinforced concrete frames respond to strong ground motion, it is likely that elements of the frame will have nonlinear behavior. The elements that yield may experience large deformations that contribute to increased localized story deformations in the frame. If yielding in the columns can be eliminated, the building will tend to respond with a stiff spine and drift will be evenly distributed over the height of the structure. This leads to smaller story drifts (the relative drift between two consecutive floor levels) and less subsequent damage in the lower portion of the frame where columns are subjected to high axial loads
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