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A Proposed Design for R.C Blast Resistant Barriers | ||
| Journal of Engineering | ||
| Article 1, Volume 11, Issue 2, 2005, Pages 247-261 | ||
| Authors | ||
| Raad Al-Azawi; Thamir Al-Azawi | ||
| Abstract | ||
| In this study proposed design for reinforced concert barriers in industrial units is presented. The barriers are deemed to mitigate the hazards of internal explosions to protect the surroundings. The Technical Manual (TM5-1300) for fortified structures recommends the use of lacing reinforcement barrier walls when the plastic rotation exceeds a specified limit. Such reinforcement is essential in shear design but it needs special skill and additional cost. To avoid using lacing reinforcement, walls of grillage system is proposed in this study to reduce the plastic rotation of the panels. The Panels are designed to respond plastically, while the grillage members respond elastically. This advantageous from recruiting point of view since only the blast – damaged panels may be repaired. Results have showing that the (SDOF) analysis method as recommended by the (TM5-1300) [D.C., 1992] gives an upper bound solution as compared with the (F.E) method. Cubicles of ribbed walls show higher blast resistance and exhibits smaller plastic support rotation of panels than that of flat-sided walls. The minimum thickness required to avoid using lacing reinforcement have been obtained for different cases of grillage arrangements and charge weights. | ||
| Keywords | ||
| Blast loads; Concrete Barriers; Chemical Plants | ||
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