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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 ...
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 ...
Numerically Stable Solutions to the State Equations for Structural Analyses
Publisher: ASCE
Abstract: The state space method has been widely used to analyze the static and dynamic characteristics of homogeneous, laminated, functionally graded, or even intelligent structures. However, the solution of the state equation using ...
Cracking Performance in the Hogging-Moment Regions of Natural Curing Steel–UHPC and Steel–UHTCC Continuous Composite Beams
Publisher: ASCE
Abstract: High-performance concretes without steam curing have great potential to improve crack resistance in the hogging-moment regions of continuous steel–concrete composite beams. This paper conducts experiments to investigate ...