Results 11 to 20 of about 2,046,961 (289)

Correlation Between Residual Displacement and Osteonecrosis of the Femoral Head Following Cannulated Screw Fixation of Femoral Neck Fractures. [PDF]

open access: yesMedicine (Baltimore), 2015
The aim of the study was to introduce a new method for measuring the residual displacement of the femoral head after internal fixation and explore the relationship between residual displacement and osteonecrosis with femoral head, and to evaluate the ...
Wang C   +7 more
europepmc   +2 more sources

Influence of Displacement Rate on Residual Shear Strength of Clays

open access: yesProcedia Earth and Planetary Science, 2016
This paper reports on the results of direct shear tests carried out under controlled displacement rate in the range of 10 -4  -10 2  mm/min, under different normal stresses, with different shear devices.
Gianvito Scaringi, C Di Maio
exaly   +2 more sources

Optimized design and investigation of cyclic behavior of dual intermediate steel moment resisting system equipped with self-centering buckling restrained 2-story-X-brace [PDF]

open access: yesمهندسی عمران شریف, 2021
Conventional seismic resistant systems generally dissipate earthquake energy through the plastic deformation of structural elements. These systems withstand high residual displacements increasing the cost of repair or even necessitate reconstruction of ...
M.R. Ahadpour khaneghah   +2 more
doaj   +1 more source

Seismic Design Coefficients of Self-Centering Multiple Rocking Walls Subjected to Effect of Far and Near-Field Earthquakes [PDF]

open access: yesپژوهش‌های زیرساخت‌های عمرانی, 2021
Nowadays, new and innovative methods have been proposed based on damage avoidance design (DAD) philosophy systems as the alternative conventional lateral load-resistant systems.
Esmaeil Mohammadi Dehcheshmeh   +1 more
doaj   +1 more source

Performance of Floor Isolation equipped with Shape memory alloys [PDF]

open access: yesمهندسی عمران شریف, 2021
Today, there is an increasing interest in use of seismic isolation to protect the structures against earthquakes. The most common type of seismic isolation is called base isolation, in which the isolation layer is installed under foundations to separate ...
M. Asadi, M. Ghassemieh
doaj   +1 more source

P-Delta Effect on Residual Displacement and Collapse Capacity of SDOF Systems during Long and Short Duration Earthquakes [PDF]

open access: yesپژوهش‌های زیرساخت‌های عمرانی, 2022
In structural analysis, P-Delta effect refers to the changes in internal forces due to P-Delta moment which can be found by multiplying gravity load (P) by the lateral displacement of structure for earthquake lateral load (Delta).
Mohammadhosein Hajimohammadi   +2 more
doaj   +1 more source

Seismic Performance Assessment of Wide Pile-Supported Wharf Considering Soil Slope and Waveform Duration

open access: yesApplied Sciences, 2022
Pile-supported wharf (PSW) is one of the primary port structures and is often damaged by earthquakes. To mitigate the risk of seismic damage to a PSW, its seismic performance should be thoroughly assessed. This study aimed to examine the impact of ground
Christino Boyke, Takashi Nagao
doaj   +1 more source

Investigation of the Leaning Column Effect on Estimating of the Responses of Self-Centering Base-Rocking Walls under Far and Near Field Ground Motions [PDF]

open access: yesپژوهش‌های زیرساخت‌های عمرانی, 2023
In this research, the effect of P-Delta column (leaning column) on the response of gravitational frames with lateral-load resistance system of base-rocking wall has been investigated.
Esmaeil Mohammadi Dehcheshmeh   +1 more
doaj   +1 more source

Experimental Hybrid Simulation of Severe Aftershocks Chains on Buildings Equipped with Curved Surface Slider Devices

open access: yesBuildings, 2022
In this research work the outcomes of a hybrid experimental campaign are analyzed, in order to evaluate the influence of aftershock events on the frictional response of sliding-based isolation devices for buildings.
Marco Furinghetti   +2 more
doaj   +1 more source

Experimental and Numerical Evaluation of Residual Displacement and Ductility in Ratcheting and Shakedown of an Aluminum Beam

open access: yesApplied Sciences, 2020
Safety assessment of structures can be obtained employing limit design to overcome uncertainties concerning actual response due to inelastic constitutive behavior and more generally to non-linear structural response and loads’ random variability.
Simone Palladino   +5 more
doaj   +1 more source

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