Results 11 to 20 of about 75,134 (266)

Nonlinear Dynamic Mechanical Characteristics of Air Springs Based on a Fluid–Solid Coupling Simulation Method

open access: yesApplied Sciences, 2023
The use of air springs has become widespread in various industries due to their exceptional superelastic properties; however, their strong nonlinear characteristics have become a hindrance to numerical simulations of air springs and have garnered ...
Yuru Li   +4 more
doaj   +1 more source

Confined length of reinforced concrete columns at various axial load levels

open access: yesGrađevinar, 2018
The seismic performance of reinforced concrete columns subjected to various levels of axial load is assessed in the paper. An equation relating the confined region to the applied axial load is proposed and compared to the Algerian seismic code RPA99 ...
Mounir Ait Belkacem   +3 more
doaj   +2 more sources

Effects of Variation of Axial Load on Seismic Performance of Shear Deficient RC Exterior BCJs

open access: yesInternational Journal of Concrete Structures and Materials, 2018
The focus of this paper is to investigate the effect of column axial load levels on the performance of shear deficient reinforced concrete beam column joints (BCJs) under monotonic and cyclic loading.
Mohammed Ali Al-Osta   +3 more
doaj   +1 more source

Investigating the Effectiveness of a Composite Patch on Repairing Pipes Subjected to Circumferential Cracks under Combined Loadings [PDF]

open access: yesIranian Journal of Oil & Gas Science and Technology, 2019
The purpose of this study is to investigate bending moment and the axial load capacity of a pressurized pipe suffering from a through-wall circumferential crack repaired by a composite sleeve. The three-dimensional finite element method (FEM) was adopted
Gholamreza Rashed   +2 more
doaj   +1 more source

Influence of seismic loading on axial load variation in reinforced concrete columns [PDF]

open access: yese-GFOS, 2018
Experimental tests demonstrated the importance of the axial load variation in the seismic response of RC columns, namely, through the reduction in the strength capacity, reduced deformation capacity, and reduced energy dissipation capacity.
Hugo Rodrigues   +3 more
doaj   +1 more source

Estimating the Axial Load of In-Service Continuously Welded Rail Under the Influences of Rail Wear and Temperature

open access: yesIEEE Access, 2019
Linear guided wave based methods have been proposed to measure the axial load of continuously welded rail (CWR) in service. The underlying principle is that the propagation velocities of excited guided waves are sensitive to the axial load.
Xiangyu Duan   +3 more
doaj   +1 more source

Biomechanical outcome of proximal femoral nail antirotation is superior to proximal femoral locking compression plate for reverse oblique intertrochanteric fractures: a biomechanical study of intertrochanteric fractures

open access: yesActa Orthopaedica et Traumatologica Turcica, 2020
Objective: Reverse obliquity intertrochanteric fractures are a challenge for orthopedic surgeons. The optimal internal fixation for repairing this type of unstable intertrochanteric fractures remains controversial.
Jianxiong Ma   +5 more
doaj   +1 more source

Finite Element Analysis of the Limit Load of Straight Pipes with Local Wall-Thinning Defects under Complex Loads

open access: yesApplied Sciences, 2022
Local wall thinning is a common defect on the surface of pipelines, which can cause damage to the pipeline under complex pipeline loads. Based on the study on the limit load of straight pipes with defects, the nonlinear finite element method was used to ...
Yan Li   +4 more
doaj   +1 more source

THE EFFECT OF VARIATION CONCRETE CUBE OF AXIAL LOAD ON ULTRASONIC PULSE VELOCITY TRANSMITTER

open access: yesJournal of the Civil Engineering Forum, 2015
Nowadays, Non Destructive Tests have been applied in some quality evaluation of existing concretes on site. One of the Non Destructive Test (NDT) methods is the application of the Ultrasonic Pulse Velocity (UPV) method. In general, utilizations of UPV as
Faqih Ma’arif   +2 more
doaj   +1 more source

Fracture strength analysis of titanium insert-reinforced zirconia abutments according to the axial height of the titanium insert with an internal connection.

open access: yesPLoS ONE, 2021
This study aimed to analyze fracture strength in vitro by varying the axial height of the titanium insert and the labial height of the zirconia abutment in an internal connection implant to identify the titanium insert axial height with optimal ...
Seung-Rye Song   +2 more
doaj   +1 more source

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