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RISConceptual Frameworks to Explain Reverse Size Effect in Intact Rocks Considering End and Annulus Damage
Publisher: American Society of Civil Engineers
Abstract: Contrary to the conventional size effect on rock strength, the reverse size effect refers to a rise in the unconfined compressive strength of small cylindrical rock specimens with an increase in the diameter. The current ...
Impact of Horizontal and Vertical Rings on the Seismic Performance of Steel Tanks under Water Sloshing Effects
Publisher: American Society of Civil Engineers
Abstract: AbstractThe combined responses of horizontal and vertical reinforcing rings to sloshing behavior
in cylindrical steel tanks subjected to seismic excitations have been evaluated in
this study. In this study, for the first ...
Size-Dependent Hoek-Brown Failure Criterion
Publisher: American Society of Civil Engineers
Abstract: The size dependency of intact rock is of importance to different disciplines, such as civil and mining engineering. One example relates to the design of structures on or within a rock mass for which an estimation of the ...
Unified Size-Effect Law for Intact Rock
Publisher: American Society of Civil Engineers
Abstract: A suite of laboratory testing was performed on Gosford sandstone samples having a range of sizes, including point-load and uniaxial compressive tests. A unified size-effect law (USEL), based on the work by Zdenek Bazant, ...
Unified Size-Effect Law for Intact Rock
Publisher: American Society of Civil Engineers
Abstract: A suite of laboratory testing was performed on Gosford sandstone samples having a range of sizes, including point-load and uniaxial compressive tests. A unified size-effect law (USEL), based on the work by Zdenek Bazant, ...
Developing a Reliability-Based Waste Load Allocation Strategy for River-Reservoir Systems
Publisher: American Society of Civil Engineers
Abstract: Enhanced socioeconomic criteria and temporal changes in the topology of the system often require waste load reallocation (WLRA) in a river-reservoir system to sustain long-term water quality standards. In addition to climate ...
Scale-Size Dependency of Intact Rock under Point-Load and Indirect Tensile Brazilian Testing
Publisher: American Society of Civil Engineers
Abstract: The problem of scale-size dependency of the mechanical properties of intact rock has been extensively investigated with a particular focus on uniaxial compressive strength, whereas a limited number of studies have included ...
Optimum Sanitary Sewer Network Design Using Shuffled Gray Wolf Optimizer
Publisher: ASCE
Abstract: Sanitary sewer networks are among the most important and most costly infrastructures in the water resources management field. However, the optimum design of these networks is cumbersome and sophisticated; due to these ...
Microstructural Effects on Mechanical Properties of Shaly Sandstone
Publisher: American Society of Civil Engineers
Abstract: Understanding the mechanical properties of shaly sandstone is of great importance in reservoir geomechanics. Because of the lack of core data, measurements based on acoustic wave velocities are often conducted. In such ...
Numerical Modeling of Rock Blocks with Nonpersistent Rough Joints Subjected to Uniaxial Compressive and Shear Loadings
Publisher: ASCE
Abstract: Characterizing the mechanical behavior of jointed rocks is important to understand the behavior of structures in rock masses. Jointed rocks can be composed of persistent and nonpersistent joints where the impact of ...