Results 11 to 20 of about 186,164 (348)

Seismic Retrofitting the Steel Storage Tanks using Single Concave Friction Isolators under the Long Period Earthquakes [PDF]

open access: yesJournal of Rehabilitation in Civil Engineering, 2019
Cylindrical liquid storage tanks are contemplated as vital structures in industrial complex whose nonlinear dynamic behavior is of crucial importance.
Alireza Abdeveis, Alireza Mortezaei
doaj   +1 more source

Seismic Performance Evaluation and Retrofit of Liquid Storage Tanks- Case Study

open access: yesSakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2022
Seismic performance of existing liquid pentane storage tanks located in a tank farm in Turkey Kocaeli region, which is a high seismic region, is studied. The tanks are free-to-slide on their existing reinforced concrete foundation.
Bülent Erkmen
doaj   +1 more source

Seismic Performance of Hillside Fills [PDF]

open access: yesJournal of Geotechnical and Geoenvironmental Engineering, 2001
Permanent ground deformations in unsaturated, compacted hillside fills under seismic loading conditions are discussed, with emphasis given to fill performance during the 1994 Northridge earthquake. These movements represent a significant yet often unrecognized hazard to developed hillside areas, as relatively modest deformations induced widespread ...
Stewart, Jonathan P   +4 more
openaire   +2 more sources

The effect of moment redistribution on the stability of reinforced concrete moment resisting frame buildings under the ground motion [PDF]

open access: yesJournal of Structural and Construction Engineering, 2017
In recent years some studies have been done on the moment rredistribution in buildings and new methods offered for calculating of redistribution. Observations demonstrated that the combination of moment and shear force is important in analysis of ...
Mahdi Golpayegani, Alireza Mortezaei
doaj   +1 more source

Elastic-Plastic Seismic Performance for Jacket Platform Based on Improved Modal Pushover Method

open access: yesShanghai Jiaotong Daxue xuebao, 2021
In connection with the elastic-plastic failure problem of offshore jacket platform subjected to a powerful earthquake, an improved modal pushover method based on performance design is proposed. The elastic-plastic seismic performance and failure modes of
LIU Hongbing   +4 more
doaj   +1 more source

Evaluation of Seismic Vulnerability of Reinforced Concrete Buildings Adjacent to the Deep Excavations [PDF]

open access: yesJournal of Rehabilitation in Civil Engineering, 2017
In this study, the effect of deep excavation on the seismic response of RC moment resisting building systems has been studied. Deep excavation can cause significant changes in the stress and strain levels of soil environment and also changes in the ...
Hamidreza Fadavi, Alireza Mortezaei
doaj   +1 more source

Seismic Fragility Analysis of Existing RC Frame Structures Strengthened with the External Self-Centering Substructure

open access: yesBuildings, 2023
Based on a practical engineering case of seismic strengthening, this paper used the enlarging cross-section method and an external self-centering substructure to improve the seismic performance and seismic resilience of existing frame structures.
Weiheng Liu   +5 more
doaj   +1 more source

Improvement in the Seismic Performance of a Super-Long-Span Concrete-Filled Steel-Tube-Arch Bridge

open access: yesBuildings, 2023
The applicability of current seismic-performance-improvement technologies needs to be studied. This research took a super-long-span CFST arch bridge with a total length of 788 m as the object on which to perform a non-linear time-history analysis and a ...
Dan Ye   +4 more
doaj   +1 more source

Assessment of FEMA356 nonlinear static procedure and modal pushover analysis for seismic evaluation of buildings [PDF]

open access: yes, 2012
Nonlinear static analysis as an essential part of performance based design is now widely used especially at design offices because of its simplicity and ability to predict seismic demands on inelastic response of buildings.
Khoshnoud, Hamid Reza   +1 more
core   +1 more source

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