Results 21 to 30 of about 13,956 (266)

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

Hilbert–Huang-Transform-Based Seismic Intensity Measures for Rocking Response Assessment

open access: yesApplied Sciences, 2023
Structures that can uplift and rock under severe seismic excitations present remarkable stability without exhibiting damage. As such, rocking-response-based structural systems constitute a promising design practice.
Kosmas E. Bantilas   +3 more
doaj   +1 more source

Seismic Performance of Simple Slopes

open access: yesSoils and Foundations, 1995
ABSTRACT This paper is concerned with an extension of a rotational limit equilibrium method for determining the permanent displacements of slopes under seismic excitation. In the proposed procedure, the sliding mass is treated as a rigid rotating body defined by a log spiral trace.
LING, HOE I., LESHCHINSKY, DOV
openaire   +2 more sources

Seismic design and performance of composite frames [PDF]

open access: yesJournal of Constructional Steel Research, 2004
Abstract In this study, the seismic design and performance of composite steel-concrete frames are discussed. The new Eurocode 4 [EC4, Eurocode No 4. Design of composite steel and concrete structures. European Committee for standardization, 3rd Draft, prEN 1994-1-1:2001, April 2001] and Eurocode 8 [EC8, Eurocode No 8.
G.E. Thermou   +3 more
openaire   +2 more sources

Evaluation of Structural Performance of Post-Installed Anchors Embedded in Cracked Concrete in Power Plant Facilities

open access: yesApplied Sciences, 2021
In this study, a field survey was conducted on the fixed anchorages of the operation and power generation facilities installed in domestic power plants.
Sangmoon Lee, Wooyoung Jung
doaj   +1 more source

Seismic performance evaluation of high CFRDs based on incremental dynamic analysis

open access: yesYantu gongcheng xuebao, 2018
The seismic performance analysis can effectively estimate the risk of structures under earthquake action, so it gradually becomes the important method of seismic safety evaluation.
KONG Xian-jing 1, 2, PANG Rui 2, ZOU De-gao 1, 2, XU Bin 1, 2, ZHOU Yang 1, 2
doaj   +1 more source

Earthquake Economic Loss Assessment of Reinforced Concrete Structures Using Multiple Response Variables

open access: yesBuildings, 2023
For buildings that meet the requirements of current seismic design codes, damage to nonstructural components and the internal objects of buildings often become the main source of the seismic economic losses of these buildings.
Xiaoxiao Liu   +4 more
doaj   +1 more source

Seismic Performance Assessment of Buildings [PDF]

open access: yesBuildings, 2021
The seismic performance assessment of buildings is a challenging process [...]
Rita Bento, Ana Simões
openaire   +2 more sources

Structural Systems Comparison of Simply Supported PSC Box Girder Bridge Equipped with Elastomeric Rubber Bearing and Lead Rubber Bearing

open access: yesCivil Engineering Dimension, 2022
This study compares the influence of elastomeric rubber bearing (ERB) as the regular bearing support and lead rubber bearing (LRB) as the seismic isolation device on the seismic performance of a seven-span simply supported prestressed concrete (PSC) box
Alvin Kurniawan Santoso   +6 more
doaj   +1 more source

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