DESIGN AND TYPE SELECTION OF CONCRETE‐LINED SMALL CANALS IN CUT AND EXPANSIVE SOIL IN COLD REGIONS
Sign Up to like & getrecommendations! Published in 2019 at "Irrigation and Drainage"
DOI: 10.1002/ird.2385
Abstract: In cold regions, deformation because of frost heave in the soil seriously damages the concrete lining of canals, which results in seepage loss and high maintenance costs. Cross‐sectional canal shapes with low‐stress concrete lining are… read more here.
Keywords: concrete; frost heave; soil; small canals ... See more keywords
The study of frost heave mechanism of high-speed railway foundation by field-monitored data and indoor verification experiment
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DOI: 10.1007/s11440-018-0740-8
Abstract: Due to the rigid deformation limit of high-speed railways, the anti-frost heave design has become a critical concern in seasonally frozen regions. In this study, the authors explained the frost heave mitigation techniques adopted for… read more here.
Keywords: speed railway; foundation; frost heave; frost ... See more keywords
Transversely isotropic frost heave modeling with heat–moisture–deformation coupling
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DOI: 10.1007/s11440-019-00774-1
Abstract: The transversely isotropic (TISO) constitutive and frost heave models for the freezing of fine-grained soils are more accurate than the isotropic model and simpler than the orthotropic models. First, in combination with the mesoscopic composition… read more here.
Keywords: heat moisture; transversely isotropic; frost heave; model ... See more keywords
Needle ice formation, induced frost heave, and frost creep: A case study through photogrammetry at Stelvio Pass (Italian Central Alps)
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DOI: 10.1016/j.catena.2018.01.009
Abstract: Abstract Needle ice growth is one of the more widespread and easily visible, but less studied, climate related processes shaping soil evolution, surface dynamics and ecosystem changes in the alpine environments. Here, we show the… read more here.
Keywords: stelvio pass; frost heave; pass italian; italian central ... See more keywords
The application of Mixed Hybrid FEM in the frost heave prediction verified by FEM and indoor frost heave experiments
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DOI: 10.1016/j.coldregions.2017.08.003
Abstract: Abstract We apply a modified Finite Element Method which is called as Mixed Hybrid FEM (MHF) for the thermal analysis of frost heave amount estimation, since MHF allows simultaneous computation of objective variable and its… read more here.
Keywords: thermal analysis; frost heave; mixed hybrid; frost ... See more keywords
A model for predicting the frost-heave effect of a pile embedded in the frozen soil
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DOI: 10.1016/j.coldregions.2017.10.005
Abstract: Abstract A model for predicting the frost-heave effect on a single pile embedded in the frozen soil is proposed in this study. In the model, the half-space saturated soil is considered to be composed of… read more here.
Keywords: frozen soil; model predicting; frost heave; pile ... See more keywords
Delamination frost heave in embankment of high speed railway in high altitude and seasonal frozen region
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DOI: 10.1016/j.coldregions.2018.04.017
Abstract: Abstract The Lanzhou-Xinjiang high-speed railway is the first and the longest high-speed railway built in the high altitude and seasonally frozen areas in the North-west China. Frost heave is a basic problem need to be… read more here.
Keywords: speed railway; frost; frost heave; high speed ... See more keywords
Experimental and analytical investigation on frost heave characteristics of an unsaturated moderately expansive clay
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DOI: 10.1016/j.coldregions.2018.08.023
Abstract: Abstract Expansive clay, a kind of clayey soil, is widely distributed in seasonally frozen regions. Numerous studies have attempted to explain the frost heave characteristics of clayey soils, but few of them have paid attention… read more here.
Keywords: expansive clay; heave characteristics; frost heave; characteristics unsaturated ... See more keywords
Analytical elasto-plastic solution of frost heaving force in cold region tunnels considering transversely isotropic frost heave of surrounding rock
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DOI: 10.1016/j.coldregions.2019.04.008
Abstract: Abstract Numerous cold region tunnels have been constructed in recent decades. To prevent frost damage, problem of frost heaving force calculation is to be solved urgently. During the freezing process of cold region tunnels, temperature… read more here.
Keywords: surrounding rock; frost heave; frost heaving; frost ... See more keywords
New insights into the frost heave behavior of coarse grained soils for high-speed railway roadbed: Clustering effect of fines
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DOI: 10.1016/j.coldregions.2019.102863
Abstract: Abstract Due to the chemical component and physical property, fines of coarse-grained soil (CGS) are prone to adsorb with each other forming cluster morphology during mixing and compacting process for high-speed railway roadbed construction. The… read more here.
Keywords: heave behavior; frost heave; frost; high speed ... See more keywords
Ice lens induced interfacial hydraulic resistance in frost heave
Sign Up to like & getrecommendations! Published in 2020 at "Cold Regions Science and Technology"
DOI: 10.1016/j.coldregions.2019.102964
Abstract: Abstract Frost heave and ice lens cause the failure of engineerings and change the soil structure in cold regions. It is known that the water migrates from the unfrozen zone to feed the ice lens,… read more here.
Keywords: hydraulic resistance; ice lens; ice; frost heave ... See more keywords