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Published in:
2021 | OriginalPaper | Chapter
Diffraction of Shock Waves into Frame Buildings
Author : Ali Al Shemali
Published in: Environmental and Construction Engineering: Reality and the Future
Publisher: Springer International Publishing
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Abstract
Diffraction of shock waves into multistory frame buildings is analyzed by Finite Element Analysis (FEA). The FE model consists of a ten-story superstructure rested on the slab foundation. The trigonometric approximation of the delta function was used to model the application of loads with values for shock durations t = 0.5, 1, and 1.5 s. Analysis of the interaction of shock waves with the building was performed using the software package Abaqus/CAE 6.14. Six columns and four longitudinal axes were selected and the stress values were evaluated in monitoring points distributed in specific positions on the considered columns and longitudinal axes. The dynamic analysis over a time period of 10 s reveals that the arrival of the shock waves results in dangerous stresses first in the foundation before the columns for the different shock durations. Moreover, the analysis also reveals that the columns are not affected by a shock duration smaller than 0.5 s.