Do you have a risk analysis completed for your facility?

What is your required protection or damage level?

Do you have options to move outside of the blast radius?

What’s your side-on pressure and impulse duration?

These are a few questions we ask clients. If there is no other choice but to provide blast resistance, we can incorporate that into the building design. We have significant experience in designing blast resistant building for new construction and blast-hardening existing facilities.

Blast Resistance

  • Over-pressure design methodology for these structures is based upon Army manual TM5-1300 and ASCE “Design of Blast Resistant Buildings in Petrochemical Facilities.”  In conjunction with this team’s structural engineering capabilities, our design philosophy is to design a structure having enough strength and ductility for the potential blast loading and response criteria determined by the Client’s risk assessment.    By accounting for the time-dependent dynamic loading of the building, structural members are designed to allow for ‘plastic’ behavior while forces are directed away from supports and connections in such a manner they may fully develop the flexural capacity of the element.  Structural connection detailing techniques are very similar to those used in high seismic zones for those lateral forces, and are developed to provide the strength and ductility required to meet / overcome the forces of the event.
  • Analysis Procedure
  • API RP752
  • API RP753
  • Blast Design Criteria
  • Building Component Response
  • Building Damage Level
  • Collateral Load
  • Impulse (I, PSI-MS)
  • Internal Pressure Coefficient
  • Level of Protection
  • Load Case
  • Maximum Impulse Load
  • Maximum Pressure Load
  • Net Uplift on Roof Joists / Trusses
  • Occupancy Category
  • Peak Pressure (Pa, PSI)
  • Reflected Pressure (Pr, PSI)
  • Risk Category
  • Seismic Design Category
  • Seismic Design Data
  • Seismic Importance Factor
  • Seismic Response Coefficient
  • Strength Design
  • Ultimate Design Wind Speed
  • Wind Design Data
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