Damage assessment of prefabricated prestressed channel slab under plane charge blast

•Designed prefabricated prestressed channel slab could resist low-altitude nuclear blast without plastic damage.•The plane charge blast test with long positive duration (more than 2 s) was successfully implemented.•Positive duration was related to the quality of the overlying soil and the air shock...

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Veröffentlicht in:	Engineering structures 2021-11, Vol.246, p.113021, Article 113021
Hauptverfasser:	Cai, Runze, Li, Yanzhao, Zhang, Chunxiao, Qi, Hui, Mao, Jize, Pan, Yang, Liu, Hanchao
Format:	Artikel
Sprache:	eng
Schlagworte:	Aerial explosions Air blast Air defense Blasting (explosive) Charge air Civil defense Concrete Concrete slabs Damage Damage assessment Displacement ductility Ductility Dynamic response Finite element method Impact damage Load distribution Mathematical analysis Mechanical properties Overpressure Positive duration Prefabrication Prestressed channel slab Prestressed concrete Shock loads Shock waves Simulation Slabs
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