Numerical Analysis of Pipeline Uplift Resistance in Frozen Clay Soil Considering Hybrid Tensile-Shear Yield Behaviors
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Geosynthetics and Ground Engineering"
DOI: 10.1007/s40891-020-00228-9
Abstract: Pipeline uplift resistance plays an essential role in the design of buried pipelines in permafrost regions or artificially frozen ground. The uplift resistance of a frozen soil is dependent on the soil’s mechanical properties, which… read more here.
Keywords: uplift resistance; soil; frozen clay; frozen soil ... See more keywords
A long-term strength criterion for frozen clay under complex stress states
Sign Up to like & getrecommendations! Published in 2020 at "Cold Regions Science and Technology"
DOI: 10.1016/j.coldregions.2020.103089
Abstract: Abstract To study long-term strength characteristics under complex stress states, a series of hollow cylinder creep tests were conducted on frozen clay under different stress levels at a temperature of −6 °C. Experimental results showed that… read more here.
Keywords: complex stress; strength; frozen clay; stress ... See more keywords
A strength criterion for frozen clay considering the influence of stress Lode angle
Sign Up to like & getrecommendations! Published in 2019 at "Canadian Geotechnical Journal"
DOI: 10.1139/cgj-2018-0054
Abstract: To investigate the influence of stress Lode angle on frozen soil, a series of directional shear tests was conducted on artificial frozen clay at three temperatures (–6, –10, and –15 °C) and five stress Lode… read more here.
Keywords: frozen clay; stress lode; strength; stress ... See more keywords