Figure 7.
Two vertically arranged diagrams present an S D O F structural monitoring setup. The upper diagram is a photograph showing an E S B container with a checker pattern attached to the top mass. Labels identify the checker pattern on the top mass, accelerators on the top mass, E S B container, and S D O F structure. A highlighted square region surrounds the checker pattern, and sensor labels A 064 and A 068 are positioned above and below the marked region. The lower diagram is a schematic cross-sectional view of the structure. Labels identify accelerators on the top mass, top mass, wall, foundation, E S B container, S D O F structure, and underground structure. The central S D O F structure contains multiple stacked levels connected vertically between the foundation and the top mass. Sensor locations with labels such as A 401 to A 459, A 064, A 068, B E labels, and E labels are distributed symmetrically on both sides of the structure and around the container walls. Additional labelled sensors A 036 and A 071 are positioned near the base outside the main structure.Dynamic centrifuge test setup: (a) cross section of the centrifuge model; and (b) high-speed camera image