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RISA New Experimental Method to Study Combined Fatigue of Actual Turbine Disk Mortise Teeth at Elevated Temperatures
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a new experimental system to study the L-HCCF of an actual turbine disk mortise teeth at elevated temperature, using an actual disk as experimental component. This system ...
New Beam Element for Incremental Launching of Bridges
Publisher: American Society of Civil Engineers
Abstract: A new beam element has been developed for the static and dynamic analysis of incrementally launched bridges. The element can describe the deformation subjected to a transverse constraint at an arbitrary point on the beam, ...
CZM-Based Debonding Simulation of Cracked Beams Strengthened by FRP Sheets
Publisher: American Society of Civil Engineers
Abstract: This paper uses the transfer matrix method (TMM) to analyze the interfacial behavior of a fiber-reinforced polymer (FRP)–plated beam with flexural cracks. The adhesive layer between the beam and the FRP sheet is simulated ...
Variational Principles of Partial-Interaction Composite Beams
Publisher: American Society of Civil Engineers
Abstract: This work presents the principle of virtual work and reciprocal theorem of partial-interaction composite beams. The principle of minimum potential energy is also obtained and proved along with the variational formulae for ...
Bending Solutions of the Timoshenko Partial-Interaction Composite Beams Using Euler-Bernoulli Solutions
Publisher: American Society of Civil Engineers
Abstract: For partial-interaction composite beams, two beam theories (i.e., the Euler-Bernoulli and Timoshenko beam theories) are usually used to investigate their deflections, slips, and stress resultants. However, the relationships ...
Combined Fatigue Life Test and Extrapolation of Turbine Disk Mortise at Elevated Temperature
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: To investigate the crack failure of a certain turbine disc mortise, a test system with a new low- and high-cycle noninterfering loading scheme was established to study the low- and high-cycle ...
Life Assessment of Turbine Components Through Experimental and Numerical Investigations
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A new lifetime criterion for withdrawal of turbine components from service is developed in this paper based on finite element (FE) analysis and experimental results. Finite element analysis is used to determine stresses ...
Particle Swarm Optimization–Based Finite-Element Analyses and Designs of Shear Connector Distributions for Partial-Interaction Composite Beams
Publisher: American Society of Civil Engineers
Abstract: Particle swarm optimization–based finite-element (PSO-FE) method is introduced for the designs and analyses of the steel–concrete composite beams. After a brief explanation of the PSO-FE theory, the optimizations of shear ...
Variational Principles and Explicit Finite-Element Formulations for the Dynamic Analysis of Partial-Interaction Composite Beams
Publisher: ASCE
Abstract: In this paper, we conduct a systematic dynamic investigation of partial-interaction composite beams under various sophisticated loading conditions that have seldom been presented in the literature. For the purpose of easy ...
Investigation and Control of Cracks in Wet Joint of Concrete Box Girders
Publisher: ASCE
Abstract: To investigate the causes of cracks in wet joints of continuous concrete box girders, we performed in situ analysis of the temperature and strain field of wet-joint concrete for a sea-crossing bridge under construction in ...