A technical note on PGA-intensity relations with applications to damage estimation

Autor:	Martin W. McCann, Haresh C. Shah, Franz Sauter
Rok vydání:	1980
Předmět:	Engineering Peak ground acceleration business.industry Probabilistic logic Mercalli intensity scale Function (mathematics) Structural engineering Linear function Geophysics Seismic hazard Geochemistry and Petrology Quadratic form business Algorithm Intensity (heat transfer)
Zdroj:	Bulletin of the Seismological Society of America. 70:631-637
ISSN:	1943-3573 0037-1106
DOI:	10.1785/bssa0700020631
Popis:	The use of peak ground acceleration (PGA)-Modified Mercalli intensity (MMI) relations is discussed. A review of previous investigations in this area suggests that almost instinctively, a linear function, relating the log10(PGA) to MMI is assumed. This note proposes a quadratic form for such a relationship. The motivation for this study was provided by the application of PGA-MMI relations to the problem of damage estimations due to strong earthquake ground motion. A function relating PGA to MMI allows one to convert the probabilistic information on PGA, the typical parameter of seismic hazard analyses, to MMI, the parameter most commonly correlated to structural damage. The uncertainties in the variables used in the damage estimation are discussed.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::4d88056279bb27cf70040fb3feeeca3a https://doi.org/10.1785/bssa0700020631 Zobrazit plný text záznamu