Search
Now showing items 1-10 of 10
Finite-Element Model for Confined Concrete Columns
Publisher: American Society of Civil Engineers
Abstract: The ductility of concrete structures is an issue that is continually being addressed as higher strength concretes are produced, better numerical models have become available, and seismic mechanics become better understood. ...
Cracked Membrane Model: Finite Element Implementation
Publisher: American Society of Civil Engineers
Abstract: In this paper, the cracked membrane model is developed into a finite element formulation for the analysis of orthogonally reinforced structural elements in plane stress (such as deep beams and walls). The cracked membrane ...
Strength and Ductility of Fiber-Reinforced High-Strength Concrete Columns
Publisher: American Society of Civil Engineers
Abstract: In this study 21 high-strength, fiber-reinforced columns were tested consisting of 9 155-mm square columns and 12 200-mm square columns. The concrete mix contained 2% (by weight) of end hooked steel fibers and with concrete ...
Evaluation of Efficiency Factor Models used in Strut-and-Tie Modeling of Nonflexural Members
Publisher: American Society of Civil Engineers
Abstract: In strut-and-tie modeling the efficiency factor is used to take into account the lower strength of struts relative to the uniaxial strength of the concrete. The reduction in strength is justified on the grounds of the ...
Nonlocal Damage Formulation for a Flexibility-Based Frame Element
Publisher: American Society of Civil Engineers
Abstract: This paper presents the formulation for a novel flexibility-based one-dimensional (1D) finite element that captures material and structural softening within a reinforced concrete framed structure. Separating the total ...
Cover Spalling in HSC Columns Loaded in Concentric Compression
Publisher: American Society of Civil Engineers
Abstract: Experimental studies on concentrically loaded high-strength reinforced-concrete columns have indicated that the cover spalls prior to the section reaching its squash load, if the squash load is calculated from the gross ...
Theoretical and Experimental Investigation of Failure Behavior of One-Way High-Strength Concrete Wall Panels
Publisher: American Society of Civil Engineers
Abstract: A theoretical model is developed in this paper for investigating the nonlinear behavior of one-way high-strength reinforced concrete wall panels. The model accounts for geometric and material nonlinearities, including the ...
FE Modeling of CFRP-Repaired RC Beams Subjected to Fatigue Loading
Publisher: American Society of Civil Engineers
Abstract: A constitutive model is developed for fiber-reinforced polymer (FRP)-to-concrete bond for fatigue loading. The model is verified against available test data with a framework developed for further calibration as new data ...
FE Modeling of FRP-Repaired Planar Concrete Elements Subjected to Monotonic and Cyclic Loading
Publisher: American Society of Civil Engineers
Abstract: In this paper, a nonlinear finite-element model is developed for the analysis of plane stress members, such as RC beams and walls, strengthened either unidirectionally or bidirectionally with fiber-reinforced polymer (FRP) ...
Shear Strength of Steel Fiber-Reinforced Ultrahigh- Performance Concrete Beams without Stirrups
Publisher: American Society of Civil Engineers
Abstract: While the database of tests on shear in reinforced concrete members without stirrups is extensive, the pool of test data for fiber-reinforced specimens is limited. Fewer still are tests undertaken on high-performance ...