Blast fragility and performance-based pressure–impulse diagrams of European reinforced concrete columns

Abstract Terrorist attacks and accidental explosions can induce abnormal loads on building structures, producing local damage to single primary components or even progressive collapse. Few probabilistic investigations have been carried out to assess the risk of blast damage to structural components and progressive collapse. This study aims at evaluating the blast fragility of reinforced concrete columns for two classes of European residential buildings: those designed only for gravity loads according to past codes and those designed for earthquake resistance according to Eurocode 8. After uncertainty in material strengths, column dimensions, reinforcement ratios and blast capacity model was characterised, Monte Carlo simulation was performed. Blast capacity was defined through pressure–impulse equations that establish a relationship between the dynamic nature of blast load and damage. The output was the derivation of blast fragility surfaces and probabilistic pressure–impulse diagrams at multiple limit states which may be used for quantitative risk analysis and performance-based design/assessment.

[1]  Franco Bontempi,et al.  Numerical analyses for the structural assessment of steel buildings under explosions , 2013 .

[2]  William McGuire,et al.  Progressive Collapse Resistant Design , 1983 .

[3]  Mark G. Stewart,et al.  Blast Load Variability and Accuracy of Blast Load Prediction Models , 2010 .

[4]  Mehrdad Sasani,et al.  Response of a reinforced concrete infilled-frame structure to removal of two adjacent columns , 2008 .

[5]  David A. Nethercot,et al.  Progressive collapse of multi-storey buildings due to sudden column loss — Part I: Simplified assessment framework , 2008 .

[6]  J. Rice.  Mathematical Statistics and Data Analysis , 1988 .

[7]  Comite Euro-International du Beton,et al.  CEB-FIP Model Code 1990 , 1993 .

[8]  Giuseppe Maddaloni,et al.  Uncertainly Analysis of Flexural Overstrength for Capacity Design of RC Beams , 2014 .

[9]  Richard M. Bennett.  Formulations for probability of progressive collapse , 1988 .

[10]  Jack W. Baker,et al.  On the assessment of robustness , 2008 .

[11]  Tan Kang Hai,et al.  Membrane actions of RC slabs in mitigating progressive collapse of building structures , 2013 .

[12]  David P. Thambiratnam,et al.  Blast and residual capacity analysis of reinforced concrete framed buildings , 2011 .

[13]  Angelo Masi,et al.  Seismic Vulnerability Assessment of Gravity Load Designed R/C Frames , 2003 .

[14]  Mark G. Stewart,et al.  Spatial reliability analysis of explosive blast load damage to reinforced concrete columns , 2015 .

[15]  Bruce R. Ellingwood,et al.  Approaches for Design against Progressive Collapse , 1978 .

[16]  Robert E. Melchers,et al.  Probabilistic Risk Assessment of Engineering Systems , 1997 .

[17]  David A. Nethercot,et al.  Progressive collapse of multi-storey buildings due to sudden column loss—Part II: Application , 2008 .

[18]  W. R. Schriever,et al.  Progressive Collapse, Abnormal Loads, and Building Codes , 1972 .

[19]  H Y Kim,et al.  STATISTICAL ANALYSIS OF FRAGILITY CURVES , 2000 .

[20]  Feng Fu,et al.  Progressive collapse analysis of high-rise building with 3-D finite element modeling method , 2009 .

[21]  Robert E. Bachman,et al.  Creating Fragility Functions for Performance-Based Earthquake Engineering , 2007 .

[22]  Hong Hao,et al.  RC Column Failure Probabilities to Blast Loads , 2010 .

[23]  Leslaw Kwasniewski,et al.  Nonlinear dynamic simulations of progressive collapse for a multistory building , 2010 .

[24]  Nicola Augenti,et al.  Influence of seismic design criteria on blast resistance of RC framed buildings: A case study , 2012 .

[25]  Jinkoo Kim,et al.  Assessment of progressive collapse-resisting capacity of steel moment frames , 2009 .

[26]  N. Null.  Minimum Design Loads for Buildings and Other Structures , 2003 .

[27]  Uwe Starossek,et al.  Typology of progressive collapse , 2007 .

[28]  Bruce R. Ellingwood,et al.  Mitigating Risk from Abnormal Loads and Progressive Collapse , 2006 .

[29]  Norbert J. Delatte,et al.  Ronan Point Apartment Tower Collapse and its Effect on Building Codes , 2005 .

[30]  M. Elisabeth Paté-Cornell.  Quantitative safety goals for risk management of industrial facilities , 1994 .

[31]  Hong Hao,et al.  A new method for progressive collapse analysis of RC frames under blast loading , 2010 .

[32]  Meng-Hao Tsai,et al.  Investigation of progressive collapse resistance and inelastic response for an earthquake-resistant RC building subjected to column failure , 2008 .

[33]  David I Blockley,et al.  Vulnerability of structural systems , 2003 .

[34]  Guoqing Xu,et al.  An energy-based partial pushdown analysis procedure for assessment of disproportionate collapse potential , 2011 .

[35]  Mark G. Stewart,et al.  Acceptable Risk Criteria for Infrastructure Protection , 2010 .

[36]  J. Moehle,et al.  SHEAR STRENGTH MODEL FOR LIGHTLY REINFORCED CONCRETE COLUMNS , 2004 .

[37]  Donald O. Dusenberry,et al.  Best Practices for Reducing the Potential for Progressive Collapse in Buildings | NIST , 2007 .

[38]  Uwe Starossek,et al.  Disproportionate Collapse: Terminology and Procedures , 2010 .

[39]  Hong Hao,et al.  Numerical derivation of pressure-impulse diagrams for prediction of RC column damage to blast loads , 2008 .

[40]  Angelo Masi,et al.  VULNERABILITY ASSESSMENT OF GRAVITY-LOAD DESIGNED RC BUILDINGS: EVALUATION OF SEISMIC CAPACITY THROUGH NON LINEAR DYNAMIC ANALYSES , 2012 .

[41]  John Vantomme,et al.  Investigation of the influence of design and material parameters in the progressive collapse analysis of RC structures , 2011 .

[42]  Jinkoo Kim,et al.  Fragility analysis of steel moment frames with various seismic connections subjected to sudden loss of a column , 2010 .

[43]  Mark G. Stewart,et al.  Terrorism Risks and Blast Damage to Built Infrastructure , 2006 .

[44]  E. Brunesi,et al.  Extreme response of reinforced concrete buildings through fiber force-based finite element analysis , 2014 .