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RISSpatial Stress of the Pier–Girder Rigid Region of a Continuous Rigid-Frame Bridge with V-Shaped Piers in Two Directions
Publisher: ASCE
Abstract: The pier–girder rigid region of continuous rigid-frame bridges with V-shaped piers has a complex spatial stress state because of its special structure and complex boundary condition. However, using the beam–column element ...
Seismic Stability and Permanent Displacement of 3D Slopes with Tension Cutoff
Publisher: ASCE
Abstract: The magnitude of seismic displacement is an important index to evaluate the safety of slopes. The traditional Mohr–Coulomb failure criterion may overestimate the slope stability in seismic displacement calculation. Some ...
Performance Analysis of Shored Mechanically Stabilized Earth Walls with Wrapped Facing Using Numerical Simulations
Publisher: American Society of Civil Engineers
Abstract: Although mechanically stabilized earth (MSE) walls typically require a reinforcement length-to-wall-height ratio of 0.7, the use of short reinforcement may be inevitable in certain situations, such as building MSE walls ...
A Design and Rating Method for Shell-and-Tube Heat Exchangers With Helical Baffles
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A method for design and rating of shell-and-tube heat exchanger with helical baffles (STHXHB) has been developed in present study based on the public literatures and the widely used Bell–Delaware ...
Closed-Form Solution for Stability of Slurry Trenches
Publisher: American Society of Civil Engineers
Abstract: This paper presents a variational limit equilibrium closed-form solution for the stability of slurry-supported trenches in cohesive soil, frictional cohesive soil, and cohesionless soil. Study results indicate that the ...
Wave Propagation for Axisymmetric Wave Motion in Buried Pipes Conveying Viscous Flowing Fluid
Publisher: ASCE
Abstract: This work investigated the wave propagation characteristics of buried pipes conveying viscous flowing fluid under axisymmetric wave motion, where the coupling pipe–soil and pipe–fluid effects are both taken into account. ...
Simple and Efficient Method to Simulate Homogenous Multidimensional Non-Gaussian Vector Fields by the Spectral Representation Method
Publisher: American Society of Civil Engineers
Abstract: A simple and efficient simulation method is proposed to generate multidimensional non-Gaussian vector fields based on the spectral representation method, according to the target cross spectral density matrix and the ...
A Rapid Evaluation Method for the Vertical Condition of Bridge Substructures Using Bayesian System Identification and Output-Only Measurements
Publisher: ASCE
Abstract: Evaluating the bearing capacity of bridge substructures is very important for bridge maintenance and management. However, existing studies that rely on static load tests (SLTs) or transient response methods (TRMs) have ...
Effects of Multitiered Configuration on the Internal Stability of GRS Walls
Publisher: ASCE
Abstract: Design guidelines for geosynthetic-reinforced soil (GRS) walls in a tiered configuration are often limited to two tiers with zero batter. To facilitate rational expansion of current design, this paper extends the current ...
Large-Scale Unit Commitment for Cascaded Hydropower Plants with Hydraulic Coupling and Head-Sensitive Forbidden Zones: Case of the Xiluodu and Xiangjiaba Hydropower System
Publisher: ASCE
Abstract: This study presents a methodology for optimizing the unit commitment (UC) of the Xiluodu and Xiangjiaba cascaded hydropower plants that rank as the second- and third-largest hydropower plants in China. This UC problem ...