Results 31 to 40 of about 194,540 (292)

Bouc–Wen-Type Models with Stiffness Degradation: Thermodynamic Analysis and Applications [PDF]

open access: yesJournal of Engineering Mechanics, 2008
In this paper, a thermodynamic analysis of Bouc-Wen models endowed with both strength and stiffness degradation is provided. It is based on the relationship between the flow rules of these models and those of the endochronic plasticity theory with damage, discussed in a companion paper (Erlicher and Point, 2008). Using the theoretical framework of that
Erlicher, Silvano   +1 more
openaire   +4 more sources

Numerical Study on the Responses of Suction Pile Foundations under Horizontal Cyclic Loading Considering the Soil Stiffness Degradation

open access: yesJournal of Marine Science and Engineering, 2023
This paper analyzes the deformation responses of single-cylinder and four-cylinder suction pile foundations in soft clay under horizontal cyclic loading.
Yin Wang   +5 more
doaj   +1 more source

Fatigue durability test of quasi-isotropic carbon/epoxy laminates in marine environment

open access: yesAdvanced Manufacturing: Polymer & Composites Science, 2023
Fiber-reinforced polymer (FRP) composites are utilized as a substitute material for metal structures in maritime industries. The durability of composites depends on varying harsh marine environments.
Shreepannaga Aithal   +3 more
doaj   +1 more source

Monitoring dynamic stiffness that predicts concrete structure degradation [PDF]

open access: yes, 2016
This paper presents a series of laboratory experiments on a scaled reinforced concrete bridge deck as well as results of a pilot project on an existing bridge. The ultimate goal is to develop a structural health monitoring system based on evaluation of the dynamic bending stiffness which would be derived from easy to use measurement devices.
Mostafa, Neda   +4 more
openaire   +2 more sources

A bioprinted cardiac patch composed of cardiac-specific extracellular matrix and progenitor cells for heart repair [PDF]

open access: yes, 2018
Congenital heart defects are present in 8 of 1000 newborns and palliative surgical therapy has increased survival. Despite improved outcomes, many children develop reduced cardiac function and heart failure requiring transplantation.
Bejleri, Donald   +6 more
core   +1 more source

Dynamic behavior and damping capacity of auxetic foam pads [PDF]

open access: yes, 2006
A novel set of auxetic (negative Poisson's ratio) open cell polyurethane foam has been developed and tested under dynamic loading conditions to assess the viscoelastic response under white noise random excitation and compressive cycling.
Bezazi, A   +3 more
core   +1 more source

Investigations of Cruciform Specimen Designs for Biaxial Tensile Testing of SMC

open access: yesProceedings, 2018
This proceedings paper presents the investigation of different cruciform specimen designs for the characterization of Sheet Molding Compounds under biaxial loading. Biaxial tensile tests allow the investigation of damage evolution under multiaxial stress
Juliane Lang   +3 more
doaj   +1 more source

Seismic Response of a Platform-Frame System with Steel Columns [PDF]

open access: yes, 2017
Timber platform-frame shear walls are characterized by high ductility and diffuse energy dissipation but limited in-plane shear resistance. A novel lightweight constructive system composed of steel columns braced with oriented strand board (OSB) panels ...
De Stefani, Lorenzo   +4 more
core   +2 more sources

Macro-mechanical and microscopic study of the fatigue damage behaviour of a carbon fabric/PPS thermoplastic composite [PDF]

open access: yes, 2011
This manuscript elaborates on the tension-tension fatigue behaviour of a carbon fabric reinforced polyphenylene sulphide. The damage behaviour will be investigated by (i) conducting fatigue experiments, in order to determine the macroscopic behaviour ...
Daggumati, Subareddy   +5 more
core  

On systematic approaches for interpreted information transfer of inspection data from bridge models to structural analysis [PDF]

open access: yes, 2020
In conjunction with the improved methods of monitoring damage and degradation processes, the interest in reliability assessment of reinforced concrete bridges is increasing in recent years.
Fröhlich, Jan (M.Sc)
core  

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