Estimation of Earthquake Losses to Buildings

Kircher, Charles A.; Reitherman, Robert; Whitman, Robert V.; Arnold, Christopher

doi:10.1193/1.1585976

Cited by 117 publications

(47 citation statements)

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“…The property loss documented in wood frame constructions as a result of this single event was estimated at $20 billion US (Kircher et al, 1997). Also, after the February 9 th , 1971 San Fernando earthquake (magnitude, Mw6.5), the reported damages of single-family homes were between $58 and $114 million (Soltis 1984).…”

Section: List Of Tablesmentioning

confidence: 99%

Dynamic characteristics of light-frame wood buildings

2019

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This research project deals with dynamic field testing of light-frame wood buildings with wood based shear walls. The primary objective of the investigation is to evaluate the code formula for estimating light wood frame building's fundamental period, through intensive field testing and numerical modelling. The project also aims to propose an alternative simplified rational approach where applicable. The thesis provides insight to the ambient vibration testing procedures of light-frame wood buildings and explains the protocol adopted for the current research program. Experimental and numerical investigations were performed to evaluate the effect of non-structural components, and the connectivity between firewall-separated buildings, on dynamic properties of light-frame wood buildings. The study provides a reliable expression for building period estimate based on field testing and numerical modeling.iii

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Section: List Of Tablesmentioning

confidence: 99%

Dynamic characteristics of light-frame wood buildings

2019

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“…Whitman and Cornell, 1976;Hwang et al, 1994;Miyakoshi et al, 1997;Kircher et al, 1997;Tyagunov et al, 2006a;Chen and Sun, 2008). One must, however, remember that seismic performance of different building types, including the structural damage mechanism, differs considerably, hence such damage-loss relationships are buildingtype specific and depend upon the peculiarities of regional construction practices.…”

Section: Loss Modellingmentioning

confidence: 99%

Uncertainty and sensitivity analyses in seismic risk assessments on the example of Cologne, Germany

Tyagunov

Pittore

Wieland

et al. 2014

Nat. Hazards Earth Syst. Sci.

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Abstract. Both aleatory and epistemic uncertainties associated with different sources and components of risk (hazard, exposure, vulnerability) are present at each step of seismic risk assessments. All individual sources of uncertainty contribute to the total uncertainty, which might be very high and, within the decision-making context, may therefore lead to either very conservative and expensive decisions or the perception of considerable risk. When anatomizing the structure of the total uncertainty, it is therefore important to propagate the different individual uncertainties through the computational chain and to quantify their contribution to the total value of risk. The present study analyses different uncertainties associated with the hazard, vulnerability and loss components by the use of logic trees. The emphasis is on the analysis of epistemic uncertainties, which represent the reducible part of the total uncertainty, including a sensitivity analysis of the resulting seismic risk assessments with regard to the different uncertainty sources. This investigation, being a part of the EU FP7 project MATRIX (New Multi-Hazard and Multi-Risk Assessment Methods for Europe), is carried out for the example of, and with reference to, the conditions of the city of Cologne, Germany, which is one of the MATRIX test cases. At the same time, this particular study does not aim to revise nor to refine the hazard and risk level for Cologne; it is rather to show how large are the existing uncertainties and how they can influence seismic risk estimates, especially in less wellstudied areas, if hazard and risk models adapted from other regions are used.

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“…The majority of the existing procedures developed for the performance assessment of building structures have primarily focused on the structural system, building capacity, layout and certain response parameters [1][2][3][4][5][6]. These parameters would provide realistic estimates of the expected performance if the as-built features of the structural system were same as the designed structural and architectural features.…”

Section: Introductionmentioning

confidence: 99%

“…The lateral rigidity of the ground storey, which is usually the most critical storey, represents the lateral sti ness of the storey and is taken into account through mnlstÿ which is equal to the minimum of the indexes (I nx ; I ny ) computed for the two orthogonal directions using Equation (1).…”

Section: Introductionmentioning

confidence: 99%

Seismic vulnerability assessment using regional empirical data

Yakut

Özcebe

Yücemen

2006

Earthquake Engng Struct. Dyn.

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SUMMARYThis article presents a procedure developed for the seismic performance assessment of low-to mid-rise reinforced concrete buildings in Turkey. The past performance of reinforced concrete buildings during major earthquakes have been compiled and analysed comprehensively using statistical procedures in order to study the empirical correlation between the signiÿcant damage inducing parameters and the observed damage. A damage database of nearly 500 representative buildings experiencing the 1999 Kocaeli and D uzce earthquakes have been used and discriminant functions expressing damage score in terms of six damage inducing parameters have been developed. In order to extrapolate the procedure to other regions that are likely to be subjected to major earthquakes a new approach that takes into account di erent local soil conditions, site-to-source distance and the magnitude of the earthquake has been introduced. The procedure has been applied to a pilot area in Istanbul to estimate expected damage distribution under a credible scenario earthquake.

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Estimation of Earthquake Losses to Buildings

Cited by 117 publications

References 0 publications

Dynamic characteristics of light-frame wood buildings

Dynamic characteristics of light-frame wood buildings

Uncertainty and sensitivity analyses in seismic risk assessments on the example of Cologne, Germany

Seismic vulnerability assessment using regional empirical data

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