نتایج جستجو برای: seismic evaluation

تعداد نتایج: 858997  

Journal: :مهندسی عمران مدرس 0
مسعود سلطانی محمدی بهمن غیاثی

abstract: the experience of last earthquakes has shown the vulnerability of most of structures. this has been caused the speeding up of the seismic evaluation and retrofitting of projects in iran. in this regard, the instructions for seismic rehabilitation of the existing buildings have been published and are currently beiong used in the evaluation and retrofitting projects. the experience of r...

2001

A comprehensive program for the evaluation and enhancement of seismic safety of the Paks Nuclear Power Plant was started in 1993 and now is in progress. In the first two years of the program the urgent and quickly realizable fixes were performed, seismic instrumentation was installed, and a procedure was elaborated for the activities to be performed after a possible earthquake. Re-evaluation of...

Journal: :international journal of advanced structural engineering 2010
vishal bhatia siddhartha ghosh

many old damaged and undamaged building structures do not meet the criteria of modern seismic design codes. such structures need to be seismically enhanced. the main objective of this paper is to propose and validate the effectiveness of an upgrade scheme for non-seismic buildings using steel plate shear walls (spsw). the upgrade is carried out considering a probability-based drift-based criter...

2002
M. Sarraf M. Bruneau

Seismic evaluations of many existing deck-truss bridges have revealed the vulnerability of their substructure and members of their superstructure. An innovative retrofit strategy developed by the authors includes replacement of the existing non-ductile end and lower-end bracing with ductile panels by incorporating energy dissipating devices to act as fuses, which can yield and dissipate energy ...

2014

A technical benchmarking study is presented, aimed to evaluate the EU harmonized Romanian seismic assessment code in comparison with its European and U.S. homologues and to identify potential opportunities for its future improvement. The benchmarking procedures are illustrated by parallel seismic assessments, performed, according to the analyzed regulations, on a reinforced concrete frame struc...

This study aims to develop seismic fragility curves for a typical pile-supported wharf. Fragility curve is one of the popular tools in seismic performance evaluation of a structure. The software FLAC2D was used to simulate the seismic performance of the wharf structure. Using eight time history records, occurred in past, as seismic loading, incremental dynamic analysis (IDA) was applied for sei...

Journal: :international journal of maritime technology 0
hamid heidary torkamani civil engineering department, school of civil engineering, college of engineering, university of tehran khosrow bargi civil engineering department, school of civil engineering, college of engineering, university of tehran rouhollah amirabadi civil engineering department, school of civil engineering, college of engineering, university of tehran

this study aims to develop seismic fragility curves for a typical pile-supported wharf. fragility curve is one of the popular tools in seismic performance evaluation of a structure. the software flac2d was used to simulate the seismic performance of the wharf structure. using eight time history records, occurred in past, as seismic loading, incremental dynamic analysis (ida) was applied for sei...

2011
Hongwei Qi Xiaoning Huang

In this paper, earthquake-resistance behaviors of existing masonry structures are evaluated based on a certain masonry building. The existing masonry structure is evaluated in its defects of primary design and construction measurements, seismic bearing capacity and durability. Based on results of evaluation, the seismic reinforcement design is introduced for improving earthquake-resistance beha...

2017
Solomon Tesfamariam Katsuichiro Goda

Citation: Tesfamariam S and Goda K (2017) Energy-Based Seismic Risk Evaluation of Tall Reinforced Concrete Building in Vancouver, BC, Canada, under Mw9 Megathrust Subduction Earthquakes and Aftershocks. Front. Built Environ. 3:29. doi: 10.3389/fbuil.2017.00029 Energy-Based Seismic Risk Evaluation of Tall Reinforced Concrete Building in Vancouver, BC, Canada, under Mw9 Megathrust Subduction Eart...

2015
Solomon Tesfamariam Katsuichiro Goda

Citation: Tesfamariam S and Goda K (2015) Seismic performance evaluation framework considering maximum and residual inter-story drift ratios: application to non-code conforming reinforced concrete buildings in Victoria, BC, Canada. Front. Built Environ. 1:18. doi: 10.3389/fbuil.2015.00018 seismic performance evaluation framework considering maximum and residual inter-story drift ratios: applica...

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