Topic
Earthquake resistant structures
About: Earthquake resistant structures is a research topic. Over the lifetime, 1126 publications have been published within this topic receiving 27467 citations.
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TL;DR: In this article, the authors proposed a new methodology which encourages house owners to retrofit their own houses by using information on long-term earthquake prediction, earthquake resistance capacity of individual house and expected ground motion of each site.
Abstract: Among various issues on countermeasures for earthquake disaster reduction, retrofitting of existing low earthquake resistant structures, especially timber houses is the key issue in Japan, We propose a new methodology which encourages house owners to retrofit their own houses by using information on long-term earthquake prediction, earthquake resistance capacity of individual house and expecting ground motion of each site. With the methodology proposed, effect of retrofitting can be given to every house owner based on seismic capacity of his/her house and its location, probability of duration of earthquake prediction. This methodology is applied to discuss and evaluate the effects of retrofitting of structures using building stock data in Shizuoka-Prefecture, where 'Tokai Earthquake' is predicted to come. Language: ja
1 citations
DOI•
01 Jan 1977
TL;DR: In this paper, the aseismic capacity of a reinforced concrete structure is the steady state resonance capacity for an idealized one mass model of that structure subjected to a sinusoidal forced vibration.
Abstract: It is proposed that the aseismic capacity of a reinforced concrete structure is the steady state resonance capacity for an idealized one mass model of that structure subjected to a sinusoidal forced vibration. That resonance capacity is determined using the known characteristics of the hysteresis loops and the stability in strength with cycling of typical reinforced concrete elements. For this evaluation reinforced concrete members are classified, according to their modes of deformation and failure under monotonic loading, into three types of aseismic elements: Long columns, short columns, and shear walls. Structures are divided into two types: rigid and flexible. A diagram is developed showing the interaction surface in three dimensional space between shear force amplitude, equivalent viscous damping and the natural period of vibration. That interaction surface is shown to represent a reasonable basis for estimating the aseismic safety of reinforced concrete structures.
1 citations
Dissertation•
01 Dec 2016
TL;DR: In this article, the authors present a list of symbols, acronyms, and figures for each of the following types of entities: symbol, symbol, figure, symbol and acronym.
Abstract: ......................................................................................................................................... iii Opsomming .................................................................................................................................... iv Acknowledgements ........................................................................................................................ vi Dedications ................................................................................................................................... vii Table of contents .......................................................................................................................... viii List of figures ................................................................................................................................ xii List of tables ................................................................................................................................. xvi List of symbols ............................................................................................................................ xvii List of acronyms ......................................................................................................................... xxv Chapter
1 citations
01 Jan 1999
TL;DR: In this paper, a performance-based design procedure for confinement steel, developed based on the experimental findings, is presented, where the suggested design procedure is compared with relevant provisions of some design codes, and a performance analysis of column-stub specimens with concrete strengths ranging between 72 MPa and 102 MPa were tested under constant axial load and reversed cyclic displacement excursions.
Abstract: This paper presents results from an extensive research program which aims to study confinement of concrete by lateral reinforcement. The current work deals with the comparison of seismic performance of ultra high strength concrete (UHSC) columns with high strength concrete (HSC) and normal strength concrete (NSC) columns. In the experimental part of the current study, column-stub specimens with concrete strengths ranging between 72 MPa and 102 MPa were tested under constant axial load and reversed cyclic displacement excursions. A performance based design procedure for confinement steel, developed based on the experimental findings, is presented here. The suggested design procedure is compared with relevant provisions of some design codes.
1 citations
01 Jan 2002
TL;DR: In this paper, a design methodology for the seismic retrofit of shear-deficient reinforced concrete bridge columns by advanced composite jackets is presented, based partly on an extensive experimental investigation of half-scale bridge columns tested under cyclic lateral loads.
Abstract: A proposed design methodology for the seismic retrofit of shear-deficient reinforced concrete bridge columns by advanced composite jackets is presented. The proposed procedure is based partly on an extensive experimental investigation of half-scale bridge columns tested under cyclic lateral loads. A numerical prediction of the cyclic behavior of the tested samples was also performed using two displacement models and six different concrete confinement models. The recommended design procedure achieves both efficient and reliable seismic retrofit for shear enhancement
1 citations