Earthquake Response and Instrumentation of Buildings

by Christopher Rojahn, Research Civ. Engr.; U.S. Geological Survey, Menlo Park, Calif.,
Ralph B. Matthiesen, (M.ASCE), Chf.; Seismic Engrg. Branch, U.S. Geological Survey, Menlo Park, Calif.,

Serial Information: Journal of the Technical Councils of ASCE, 1977, Vol. 103, Issue 1, Pg. 1-12

Document Type: Journal Paper

Abstract: An optimal instrumentation system for interpreting building respons must be designed so that motion in the horizontal plane of each instrumented floor is defined. Strong-motion recording systems utilizing single and multiaxial remote accelerometers connected via data cable to a central recorder(s) are recommended for buildings rather than self-contained triaxial accelerographs. As a minimum it is recommended that the accelerometers in such systems be placed on the lowest level and at the roof level. Additional instrumentation should also be placed at as many intermediate levels as is economically feasible. The quantity and arrangement of instrumentation are dependent upon foundation type and conditions, building size, architectural layout, structural framing system, and the location of seismic joints.

Subject Headings: Instrumentation | Cables | Building systems | Building design | Motion (dynamics) | Floors | Data analysis |

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