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Abstract: The introduction of cutting edge technologies in laboratories and precision manufacturing facilities quite often includes the operation of vibration sensitive equipment. When these buildings are located near a railway track, the buildings are prone to subway and train-induced floor vibration. Human comfort in the residential and office buildings near subway and railway lines is also an i... read moressue of prime concern. It is thus imperative to mitigate these vibrations to the acceptable levels with the design of an efficient vibration mitigation system for buildings. The incorporation of a vibration mitigation system in a building in design phase requires understanding and characterization of subway and train-induced vibration before and after construction of a structure to meet serviceability criteria. In this research, an exploration of vibration levels is performed on six sites in the Boston area. Three sites are selected for measuring train-induced vibration and another three are considered for subway-induced vibration study. Vibration measurements are performed on the building grade slab as well as in open field adjacent to the building. Findings from the comparison of the vibration characteristics are also concluded, revealing important information for the design of vibration mitigation systems for new buildings.
Thesis (M.S.)--Tufts University, 2012.
Submitted to the Dept. of Civil Engineering.
Advisor: Masoud Sanayei.
Committee: James Moore, and Laurie Baise.
Keywords: Acoustics, Engineering, and Civil engineering.read less
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