Using global satellite Synthetic Aperture Radar (SAR) observations, swell systems are confirmed to travel over very large distances across ocean basins. To yield global and almost continuous coverage of these very well organized wave systems emanating from the different intense storms, a geometrical optics approach is applied. The data are gathered globally and systematically, but the SAR-deriv...

This study investigated the combined effect of temperature and single-species salt solutions on geotechnical properties (swell index and liquid limit) and hydraulic conductivity of bentonite applying different cation types, concentrations, and temperatures. Results showed that both the swell index and the liquid limit decreased with an increase in salt concentration irrespective of the type of ...

This study was conducted to investigate the potential benefits of using geogrids in mitigating pavement defects notably roughness and longitudinal cracking on pavements built over expansive soils. The seasonal changes soils (periodic wetting drying) cause detrimental effects overlying road pavements. Such behavior simulated a controlled laboratory environment through allowing cyclic drying an s...

expansive soils are of the kind the volume of which will be changed to extremes by being exposed to varying conditions of moisture. this volume change is a serious menace to structures built on these types of soils. throughout the present research the potential of volume change in these soils was investigated when exposed to the phenomenon of wetting and drying. for the purpose, samples of a st...

15. Supplementary Notes Research performed in cooperation with the Texas Department of Transportation and the Federal Highway Administration. Project Title: Develop Guidelines and Procedures for Stabilization of Sulfate Soils 16. Abstract Sulfate-bearing subgrade soils treated with calcium-based stabilizers often experience heaving problems (three-dimensional swell) due to chemical reactions w...

ATP release from astrocytes contributes to calcium ([Ca(2+)]) wave propagation and may modulate neuronal excitability. In epithelial cells and hepatocytes, cell swelling causes ATP release, which leads to the activation of a volume-sensitive Cl(-) current (I(Cl,swell)) through an autocrine pathway involving purinergic receptors. Astrocyte swelling is counterbalanced by a regulatory volume decre...