158 Y. Pan et al. Fig. 16.3 Instrument layout for pre-setup Fig. 16.4 Testing floors and locations of sensors of AV testing Tested floors are highlighted in red and the sensors were placed around the core-tube on each tested floor. As mentioned in previous section, geometry of the core-tube changes over the height of the building. There are three different types of core-tube geometry within this building. Tested floors in Setup A, B and C have different core-tube geometries from each other. Floors in Setup D have the same core-tube geometry with those in Setup C. However, the sensors were placed at around the same locations on each floor for the convenience of future analysis. It should be noted that due to the complex interior of the structure and construction mechanical conditions, in some certain floors, it was very difficult to identify the shear wall systems. Therefore, in order to get better results, all the sensors were placed around the concrete mega braces that were used to support the shear wall, as seen in Fig. 16.5. There were two braces in each direction of the core-tube system, and the two sensors in each floor were put on North (left) and South (right).
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