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NEES Project Warehouse

Structural Health Monitoring of Tall & Special Buildings
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Experiment contains sensor data, metadata, and required documentation.

Complete - 01/13/2014

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The Factor Building: A Permanently Instrumented 15-Story Steel Frame Building
Experiment Type: Other
Description: The UCLA Louis and Doris Factor building, was instrumented by the U.S. Geological Survey with an embedded 72 channel accelerometer network following the 1994 Northridge earthquake. The accelerometer network is distributed throughout the building and continuously recording building vibrations. In December 2003, the sensor network was upgraded by installing state-of-art data logging equipment and fiber optical network cables. To date, substantial data have been collected from ambient vibrations under different environmental conditions, as well as from low-amplitude vibrations from several earthquakes.

The Factor building, with its embedded sensor network, provides a unique platform for the identification of dynamic characteristics, structural performance monitoring, and damage detection. Establishing a reliable three-dimensional finite element model which accurately represents the stiffness of the structural system is an important step in assessing the structural performance and detecting damage under more significant shaking.

The objective of this site is to provide information on the Factor building, its structural systems, instrumentation, and data acquisition system. In addition, results from system identification, finite element model updating, and response predictions are presented.
Dates: January 10, 2007 - September 30, 2010
Facility: University of California, Los Angeles, CA, United States
Equipment: View Details
Specimen Type: Structural Elements (view)
Material: Columns Columns (view)
Beams Beams (view)
Sensors: Sensor
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Tags (keywords):
  1. finite element model
  2. steel moment resisting frame
  3. Damage Detection
  4. Instrumentation
  5. structural health monitoring