2GSA.Progressive collapse analysis and design guidelines for new federal office buildings and major modernization projects [s].USA; General Services Administration,2003:10-42.
3UFC 4-010-01 DoD minimum antiterrorism standards for building Es.USA 1 DoD,2003.
4AscE 7-05 Minimum design loads for buildings and other structures.USA : American Society of Civil Engineers, 2005.