This $642,143 Project Grant award, funded by the National Science Foundation's Engineering program (CFDA 47.041), supports research to address a critical gap in understanding, modeling, and predicting how soil behaves during transitions from solid-like to fluid-like motion, such as during landslides. The research objectives include: 1) measuring the statistical characteristics of particle collisions using discrete element modeling, 2) conducting rheology tests in dry and saturated sands to...
This Project Grant award of $448,699.00, funded by the National Science Foundation's (NSF) Engineering program (CFDA 47.041), aims to enhance the understanding of the compaction of granular soils, a critical construction process for civil infrastructure systems. The research project, conducted by the University of Utah, will investigate the effects of granular soil properties and compaction equipment characteristics on compaction efficiency through an integrated experimental and numerical...
This National Science Foundation (NSF) Engineering program (CFDA 47.041) Project Grant award to Cornell University provides $492,090 in funding to study the impacts of mineralogy on aggregate crushing. The research aims to unravel the mechanisms of dry polymineralic grain crushing to enable more energy-efficient industrial applications. Key activities include: Measuring intra- and inter-mineral bonding properties in quartzitic and granitic aggregates Conducting single-particle crushing tests...
This $1,000,000 Project Grant award from the National Science Foundation (NSF), under CFDA Program 47.041 Engineering, supports research to study the dynamic responses and liquefaction behavior of gravelly soil deposits. The research aims to provide the first direct observations of the seismic and post-seismic responses of gravels under controlled loading conditions, determine key parameters governing shear strain-dependent behavior, and synthesize field data with previous experimental...
The National Science Foundation awarded a $433,254 Project Grant to the University of Michigan-Dearborn under the Geosciences program (CFDA 47.050) for research titled "Collaborative Research: The Role of Grain Boundary Migration in Water Weakening of Naturally Deformed Quartz." The three-year award, effective August 15, 2021 through July 31, 2024, will support basic research to enhance understanding of the integrated Earth system through studying the role of grain boundary migration...
This $672,212 Project Grant award from the National Science Foundation's (NSF) Engineering program (CFDA 47.041) funds research that aims to improve the understanding of factors contributing to the instability of jointed rock slopes. The project intends to identify and quantify the distinct roles of natural rock fractures and the rock matrix in slope failures, which pose significant risks to lives, infrastructure, and economies. Through a combination of laboratory experiments and numerical...
This $500,000 Project Grant from the National Science Foundation Division of Earth Sciences, under the Geosciences program (CFDA 47.050), will fund research at Stanford University from September 2022 to August 2025 on the physical and mechanical response of aluminosilicate cementation. Principal Investigator Dr. Vanorio will conduct laboratory studies to investigate how cements form within rocks and how much they increase rock strength under varying thermal and chemical conditions. This...
This National Science Foundation (NSF) Project Grant award under the Engineering program (CFDA 47.041) will develop a multiscale experimental and modeling framework to understand saturation and coupled ice/salt crystallization phenomena in low/zero clinker cementitious materials. The $180,000 award, effective December 1, 2024 through November 30, 2027, aims to elucidate the mechanisms of air void formation, saturation, and crystallization damage in these sustainable concrete formulations. The...
This Project Grant award from the National Science Foundation (NSF) Engineering program (CFDA 47.041) provides $692,942 in funding to the University of California, San Diego (UCSD) to develop an integrated experimental and computational framework for modeling the hydro-chemo-mechanical behavior of geomaterials across scales. The key objectives of this 5-year research project are: 1) Creating a machine learning-enabled multiscale material characterization framework for heterogeneous geomaterials,...
This Project Grant award from the National Science Foundation's (NSF) Engineering program (CFDA 47.041) provides $636,261.00 in funding to the University of Massachusetts Lowell (UML) to conduct research on harnessing molecular interactions and bio-inspired toughening mechanisms in inorganic minerals for developing next-generation structural materials. The key research objectives are to derive a fundamental understanding of how to turn ubiquitous calcium carbonate into a monolithic binder as...