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RISA Simple Method to Retrieve Cloud Properties from Atmospheric Transmittance and Liquid Water Column Measurements
Publisher: American Meteorological Society
Abstract: A deeper knowledge of the effects and interactions of clouds in the climatic system requires developing both satellite and ground-based methods to assess their optical properties. A simple method based on a parameterized ...
Girder–Deck Interface: Partial Debonding, Deck Replacement, and Composite Action
Publisher: American Society of Civil Engineers
Abstract: Results are reported from tests of three precast, prestressed concrete girders under fatigue-type cyclic and monotonic loading conducted after deck removal and replacement. Although deck demolition altered the top surface ...
Drift Limits of High-Strength Concrete Columns Subjected to Load Reversals
Publisher: American Society of Civil Engineers
Abstract: A series of experiments was carried out to investigate the behavior of columns with high-strength concrete subjected to shear reversals into the nonlinear range of response. The main experimental variables were loading ...
Repairing Distortion-Induced Fatigue Cracks in Steel Bridge Girders Using Angles-with-Plate Retrofit Technique. I: Physical Simulations
Publisher: American Society of Civil Engineers
Abstract: Physical simulations of 914 mm (36 in.) deep girder-cross frame subassemblies subjected to cyclic loading were carried out to study the effects of distortion-induced fatigue and to evaluate the effectiveness of a new ...
Repairing Distortion-Induced Fatigue Cracks in Steel Bridge Girders Using Angles-with-Plate Retrofit Technique. II: Computer Simulations
Publisher: American Society of Civil Engineers
Abstract: This paper presents the results from computer simulations of 914 mm (36 in.) deep girder-cross frame subassemblies to study the effects of distortion-induced fatigue and to evaluate the effectiveness of a newly proposed ...
New Multiaxial Concrete Column Element with Adaptive Calibrated Constitutive Models
Publisher: ASCE
Abstract: A new calibrated multiaxial material model coupled to a multiaxial zero-length element is proposed for simulating the seismic behavior of concrete columns. The simulation tools are intended for use within a two-dimensional ...
Nonlinear Modeling Parameters for Reinforced Concrete Columns Retrofitted with Fiber-Reinforced Polymer Jackets
Publisher: American Society of Civil Engineers
Abstract: Current seismic evaluation and retrofit guidelines and standards, such as the ASCE standard ASCE/SEI 41-23, Seismic evaluation and retrofit of existing buildings (ASCE 41), provide recommendations for nonlinear modeling ...
Use of CFRP Overlays to Repair Fatigue Damage in Steel Plates under Tension Loading
Publisher: American Society of Civil Engineers
Abstract: Fiber-reinforced polymer (FRP) overlays have been successfully used in the aerospace industry to repair fatigue damage in aluminum plates. With this success there is potential for use of similar FRP overlays to repair ...
Parametric Analysis of Cross-Frame Layout on Distortion-Induced Fatigue in Skewed Steel Bridges
Publisher: American Society of Civil Engineers
Abstract: The effects of skew angle, cross-frame spacing, cross-frame layout, cross-frame stiffness, and load placement on the potential for distortion-induced fatigue damage in steel bridges was investigated by performing a suite ...
Use of CFRP Overlays to Strengthen Welded Connections under Fatigue Loading
Publisher: American Society of Civil Engineers
Abstract: This study evaluates the performance of various methods to prevent and repair fatigue damage in welded connections, a recurring problem that affects a significant number of steel bridges. Experimental tests and analytical ...