Appendix B Maximum deflection and response time for elasto-plastic single degree of freedom systems

Notation

p pressure

ru unit resistance

T natural period of vibration

td load duration

tm time to maximum transient deflection XE equivalent elastic deflection Xm maximum transient deflection

Figure B.1. Maximum deflection of elasto-plastic, one-degree-of-freedom system for triangular load (after US Department of Defense UFC 3-340-02. Design of structures to resist the effects of accidental explosions, December 2008)

Appendix B

Figure B.2. Maximum response time of elasto-plastic, one-degree-of-freedom system for triangular load (as per Figure B.1)

Figure B.3. Maximum deflection of elasto-plastic, one-degree-of-freedom system for gradually applied load (as per Figure B.1)

Figure B.4. Maximum response time of elasto-plastic, one-degree-of-freedom system for gradually applied load (as per Figure B.1)