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New Seismic Criteria For The Design Of Glass Window Shields To Reduce The Damages Of Flying Glass | ||
| Journal of Engineering and Sustainable Development | ||
| Article 1, Volume 14, Issue 4, 2010, Pages 132-152 | ||
| Authors | ||
| Saud A. Sultan; Ali Al-Athary | ||
| Abstract | ||
| Traffic vibrations, damaging windstorms, earthquakes, break-ins, and terrorism explosions cause extensive damage to buildings and property each year, and can even result in death and injury to building occupants and bystanders. Much of this destruction is due to a simple and preventable hazard: flying glass. The objective of this study was to find the most suitable shape, dimensions, thickness, and glass material properties of float glass sheets to be used to manufacture window shields to reduce the risk of death and injury by shattered and flying glass due to seismic, explosion, and traffic vibration waves. It was found that decreasing the dimensions of a certain geometrical shape of glass sheets and keeping all the other properties constant, not always increases the seismic equivalency factor (SEF). Decreasing the dimensions of the rectangular shape from (20x40 cm) to (15x25 cm) decreases the seismic equivalency factor (SEF) from 0.597 to 0.568. Also, decreasing the dimensions of the square shape from (15 cm) to (10 cm) decreases the seismic equivalency factor (SEF) from 2.837 to 1.107. Also, Increasing the thickness of the glass sheet and keeping all the other properties constant, not always increases the seismic equivalency factor (SEF). Increasing the thickness of the 15 cm square shape from 4 to 6 mm decreases the seismic equivalency factor (SEF) from 2.837 to 0.627. Increasing the thickness of the 15 cm square shape from 6 to 8 mm decreases the seismic equivalency factor (SEF) from 0.627 to 0.496. The effect of Young modulus and Poisson's ratio have little or no effect on the seismic equivalence factors (SEF) of the studied glass sheets. Guideline values for shape, dimensions, and thickness of float glass sheets were recommended for engineers involved in the design and manufacturing of window shields. | ||
| Keywords | ||
| Seismic Criteria; Flying Glass Damage; The Seismic Equivalency Factor; and Geometrical Shape of Glass Sheets | ||
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