This paper reports on the damage of Wushi bridge in a recent Taiwan 921 earthquake. Damage to Wushi bridge appeared in the superstructure, the substructure and the approaches. Typical types of damage are discussed and illustrated in this paper. A review of the bridge design specifications in Taiwan is also presented to give the background on the seismic… (More)
To study the quantitative reliability of electronic packages, a finite element analysis with the assumption that certain geometric parameters are random variables is carried out for a flip–chip package. The equivalent plastic strain range of the package subject to thermal–cyclic loading is obtained, and the fatigue life of the package is determined based on… (More)
Taiwan, an island country with an area of approximately 14,000 square miles, was struck by a deadly earthquake, measuring 7.3 on the Richter scale, on September 21 st , 1999. This earthquake struck the geographic center of Taiwan causing damage to most of the bridges in the region and prompting the need for repair and strengthening of these bridges. Shear… (More)
This case study discusses the advantage of using both lateral and protrusive mandibular excursive movements to improve the accuracy of the joint vibration analysis rather than relying only on opening and closing movements of the mandible for analysis.