Pressure-impulse diagram method - a fundamental review

被引:15
作者
Chernin, Leon [1 ]
Vilnay, Margi [2 ]
Shufrin, Igor [3 ]
Cotsovos, Demetrios [4 ]
机构
[1] Univ Dundee, Sch Sci & Engn, Dundee, Scotland
[2] Abertay Univ, Sch Sci Engn & Technol, Dundee, Scotland
[3] Ben Gurion Univ Negev, Dept Struct Engn, Fac Engn Sci, Beer Sheva, Israel
[4] Heriot Watt Univ, Sch Energy Geosci Infrastruct & Soc, Edinburgh, Midlothian, Scotland
关键词
buildings; structures & design; dynamics; failure; OF-FREEDOM MODELS; BEAM-COLUMNS; NUMERICAL DERIVATION; STRUCTURAL RESPONSE; DYNAMIC-RESPONSE; BLAST RESISTANCE; FAILURE MODES; PLASTIC BEAMS; PULSE-SHAPE; RC;
D O I
10.1680/jencm.17.00017
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
Accidental and deliberate explosions stemming from catastrophic events in the petroleum industry, incidents during complex manufacturing processes, mishandling or failure of domestic gas appliances or installations, terrorist attacks and military engagements, are becoming increasingly relevant in structural design. Pressure-impulse (P-I) diagrams are widely used for the preliminary assessment and design of structures subjected to such extreme loading conditions. A typical P-I diagram provides information concerning the level of damage sustained by a specific structural member when subjected to a blast load. This paper presents a state-of-the-art review describing the development of the P-I diagram method over the past 70 years, the main assumptions on which its development is based and the framework through which such a method is applied in practice. The structural analysis methods used for the derivation of P-I curves are discussed and the existing approaches are categorised according to algorithms used. A review of the P-I curve formulae proposed to date is performed, where the formulae are classified according to the formulation methods.
引用
收藏
页码:55 / 69
页数:15
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