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RISRevisit of AASHTO Effective Flange-Width Provisions for Box Girders
Publisher: American Society of Civil Engineers
Abstract: The nonuniform normal stress distribution along the flange of thin-walled flexural members, such as box girders, is recognized as shear lag effects. Effective flange width is widely used to consider shear lag effects in ...
Evaluation of a Permit Vehicle Model Using Weigh-in-Motion Truck Records
Publisher: American Society of Civil Engineers
Abstract: Permit truck models are used to consider local truck traffic in addition to national live load models in bridge design and rating practices. Weigh-in-motion (WIM) systems installed in the United States provide millions of ...
Modeling Crushed Concrete Depth and Its Impact on Anchors Shear Capacities
Publisher: ASCE
Abstract: Concrete anchors in base plate connections may develop large bending moments under shear. The moments were shown to be proportional to the length of laterally unsupported anchor shafts, referred to as the effective exposed ...
Experimental and Numerical Investigations of Cerchar Scratching Rock Interaction
Publisher: ASCE
Abstract: This paper presents Cerchar scratch tests performed on sandstone samples with a constant thrust force of 70 N. The scratch test is reproduced using discrete element method (DEM) models. Simulated scratching force–(depth-) ...
Modeling of Rheological Deformation of Inhomogeneous Rock and Associated Time-Dependent Response of Tunnels
Publisher: American Society of Civil Engineers
Abstract: An exponential creep model on the basis of material properties degradation law was applied in the paper to simulate the rheological behavior of inhomogeneous rock and time-dependent response of rock tunnels. The primary, ...
Modeling Mechanical Properties of Cement Asphalt Emulsion Mortar with Different Asphalt to Cement Ratios and Temperatures
Publisher: American Society of Civil Engineers
Abstract: The compressive strength and elastic modulus of cement asphalt emulsion mortar (CAM) are two fundamental parameters of material design, and their values are highly dependent on asphalt:cement mass ratio (A/C) and temperature. ...
Simultaneous Recovery Model for Missing Multiple-Source Structural Health Monitoring Data of a Quayside Container Crane
Publisher: American Society of Civil Engineers
Abstract: Structural health monitoring (SHM) data encompasses vital information that provides a comprehensive understanding of the structural health condition. However, data loss may occur due to faults in acquisition equipment or ...
Particle-Based Numerical Manifold Method to Model Dynamic Fracture Process in Rock Blasting
Publisher: American Society of Civil Engineers
Abstract: A particle-based numerical manifold method (PNMM) is developed to investigate rock fracturing behavior under dynamic loading. The basic idea of PNMM is to represent the microstructure of rock with a group of particles and ...
Impact of Heavy Vehicles on the Durability of Concrete Bridge Decks
Publisher: American Society of Civil Engineers
Abstract: Overweight vehicles may cause permanent damage to bridge superstructures and thus require a permit to operate and route planning based on bridge capacity. This study explores the possible damage of such overweight vehicles ...
Post-buckling and Snap-Through Behavior of Inclined Slender Beams
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Based on the geometrical nonlinear theory of large deflection elastic beams, the governing differential equations of post-buckling behavior of clamped-clamped inclined beams subjected to combined ...