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RISReview of State-Of-The-Art: Drag Forces on Submarine Pipelines and Piles Caused by Landslide or Debris Flow Impact
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Submarine landslides and debris flows are among the most destructive geohazards, economically and environmentally, for installations on the seafloor. Estimating the drag forces caused by these ...
Probabilistic Seismic Assessment of Multiframe Concrete Box-Girder Bridges with Unequal-Height Piers
Publisher: American Society of Civil Engineers
Abstract: Most long bridges have joints to accommodate thermal expansion and contraction without inducing large forces in the bridge. However, these joints have caused some adverse conditions during earthquakes. In addition, irregular ...
Analytical Derivation of Overland Travel Time Based on Diffusive Wave Solution
Publisher: American Society of Civil Engineers
Abstract: Derivation of spatial distribution of travel time is required in some conceptual rainfall-runoff transformation models. Application of a kinematic wave (KW) solution to delineate isochrones of travel time may be straightforward, ...
Modified Collision Energy, a New Chemical Model in the DSMC Algorithm
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A new chemical model in the direct simulation Monte Carlo (DSMC) algorithm, entitled modified collision energy (MCE), has been developed for simulation of reactive rarefied flows without some limitations of the conventional ...
Multiobjective Optimization of Scramjet Strut Geometry Using Computational Fluid Dynamics Approach
Publisher: American Society of Civil Engineers
Abstract: The purpose of this paper is to discuss a study aiming to optimize the performance of a DLR-type scramjet engine using computational fluid dynamics (CFD). For this purpose, the response surfaces technique is employed to ...
Long-Term Railway Network Planning Using a Multiperiod Network Design Model
Publisher: ASCE
Abstract: Railway networks are one of the major parts of the transportation infrastructure. Development of this network by the construction of new lines or the capacity improvement of existing lines needs time and capital cost. ...
Probabilistic Vulnerability Assessment of Horizontally Curved Multiframe RC Box-Girder Highway Bridges
Publisher: American Society of Civil Engineers
Abstract: Numerous concrete box-girder bridges in California are horizontally curved and also have at least one in-span hinge. The curvature and in-span hinges in multiframe bridges lead to significant differences in bridge dynamic ...
Accurate and Swift Approach to As-Built Mapping in TBM-Excavated Tunnels
Publisher: American Society of Civil Engineers
Fragility Assessment for Seismically Retrofitted Skewed Reinforced Concrete Box Girder Bridges
Publisher: American Society of Civil Engineers
Abstract: Skewed bridges are susceptible to seismic damage due to their complicated dynamic responses. A range of potential retrofit strategies have been implemented to mitigate damages in seismically deficient bridges. However, ...
Fragility Analysis of Skewed Single-Frame Concrete Box-Girder Bridges
Publisher: American Society of Civil Engineers
Abstract: Damage to skewed bridges in recent earthquakes has reinforced the potential vulnerability of these structures. The effect of skew angle on a bridge’s fragility could vary for different bridge types, ages, or geometric ...