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RISAnalysis of Soil-Steel Bar Mat Pullout Models Using a Statistical Approach
Publisher: American Society of Civil Engineers
Abstract: Steel bar mat is a common reinforcing material in mechanically stabilized earth (MSE) walls. The current method to calculate the pullout capacity of these materials is an empirical-based formulation found in AASHTO and ...
Influence of Selection of Soil and Interface Properties on Numerical Results of Two Soil–Geosynthetic Interaction Problems
Publisher: American Society of Civil Engineers
Modeling of Leachate Collection Systems with Filter Separators in Municipal Solid Waste Landfills
Publisher: American Society of Civil Engineers
Abstract: A numerical model is used to estimate the service life and clogging of gravel leachate drainage layers with a filter separator layer, such as those used in municipal solid waste landfills. A filter separator layer between ...
Improved Solutions for Porosity and Specific Surface of a Uniform Porous Medium with Attached Film
Publisher: American Society of Civil Engineers
Abstract: Improved solutions for the porosity and specific surface of uniform porous media with the attached film are provided for four regular packing arrangements. These solutions overcome the limitations of previous solutions, ...
Calibration of Soil-Steel Grid Pullout Models Using a Statistical Approach
Publisher: American Society of Civil Engineers
Abstract: Steel grids in the form of bar mat and welded wire mesh are a common reinforcing material in mechanically stabilized earth (MSE) walls. This paper uses a large database of laboratory steel grid pullout tests from multiple ...
Attenuation and Damping of Multireflected Transient Elastic Waves in a Pile
Publisher: American Society of Civil Engineers
Abstract: Early time transient waves multireflected in a finite pile, governed by a damped wave equation, are analyzed by a reverberation-ray matrix. The pile is surrounded by compacted soil, and the composite is modeled by elastic ...
Numerical Modeling of the SR-18 Geogrid Reinforced Modular Block Retaining Walls
Publisher: American Society of Civil Engineers
Abstract: The paper reports numerical model details and predictions of the end-of-construction performance for two instrumented and well-documented mechanically stabilized earth (MSE) walls. The walls were constructed as part of the ...
Modeling Urban Spatial Expansion Considering Population Migration Interaction in Ezhou, Central China
Publisher: American Society of Civil Engineers
Abstract: Against the background of rapid social and economic reform, urban space systems are unceasingly reconstituted. Population migration, which is a popular social phenomenon, has become an important driving force affecting ...
Modeling Urban Spatial Expansion Considering Population Migration Interaction in Ezhou, Central China
Publisher: American Society of Civil Engineers
Abstract: Against the background of rapid social and economic reform, urban space systems are unceasingly reconstituted. Population migration, which is a popular social phenomenon, has become an important driving force affecting ...
Compound Heat Wave, Drought, and Dust Events in California
Publisher: American Meteorological Society
Abstract: California is one of the nation’s top agriculture producers and is vulnerable to extreme events such as droughts and heat waves. Concurrent extreme events may further stress water and energy resources, exerting greater ...