Page 130 - Advanced Design Examples of Seismic Retrofit of Structures
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122   Advanced Design Examples of Seismic Retrofit of Structures











                                    Northern part
















                                        Southern part







            FIG. 3.3 Overall plan of the building.

            building. Examples of these parts in this project are supports of the dry stack
            brick masonry veneer, partition walls, lintels, dropped ceiling, parapet walls,
            and supports for electrical and mechanical equipment.


            3.2 QUALITATIVE EVALUATION

            The important works in this phase include:
            l preparation of the architectural drawings;
            l preparation of the structural sketches;
            l field sampling and data collection of structural members in order to deter-
               mine the quality of concrete and the type of reinforcing bars in the general
               scale;
            l performing a general structural analysis; and
            l determination of the performance objective; based on Table 3.1, the building
               is categorized as “important” and consequently, the “enhanced” performance
               objective is selected for retrofit. Based on this performance objective, the
               Life Safety (LS) performance level in Earthquake-1 (10% probability of
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