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Small-scale laboratory ice-indentation tests were conducted on freshwater granular and freshwater columnar S2 ice at − 10 °C and − 40 °C. Tests were performed on confined and unconfined laboratory-grown ice using semi-spherical indenters (hemispherical-ended rods) of radii 12.7 and 5 mm and...
Snow stability assessment by interpreting snow profiles is a time consuming and fairly subjective process, especially when snow stratigraphy was recorded without performing a stability test at the same time. Snow stratigraphy is clearly related to snow stability, as had been shown by various...
As an important engineering measure for the proactive cooling frozen-soil roadbed, Crushed-rock embankment reduces the roadbed temperature by adjusting its heat convection process. An engineering test is conducted to study the actual application effects of the crushed-rock embankment in the...
Crushed rock embankment (CRE) was most prevalent embankment structure with cooling measures along the Qinghai–Tibet Railway in permafrost regions. Ground temperature dataset from embankment construction (in 2002) to 2010 at nine monitoring sites along the railway were compiled to study long...
Wet slab and glide snow avalanches are dangerous and yet can be particularly difficult to predict. Wet slab and glide avalanches are presumably triggered by free water moving through the snowpack and the subsequent interaction with layer or ground interfaces, and typically occur in the spring...
Ductile fiber-reinforced cementitious composites (DFRCCs) are innovative cementitious materials characterized by multiple cracking and pseudo strain-hardening behavior under static flexure . This paper investigates the effects of freeze-thaw cycles, and water-to-binder ratio (W/B) as well as...
Low temperature exothermic peaks (LTEP) were previously observed in the DSC experiments on cooling of homoionic clays (Kozlowski, 2011). According to a straightforward hypothesis these thermal events might be attributed to the crystallization of the adsorbed “unfreezable” water. In the...
Observations of sea ice thickness distributions typically display an exponential decrease (or ‘tail’) in the frequency of ice above the limit of thermodynamic growth. Any sea ice which is more than approximately 2 m thick is formed by redistribution processes involving the damaging and...
The temperature field of permafrost embankments is a key factor to determine the embankment stability. On the basis of observed climate data and field-temperature values in Beiluhe on the Qinghai–Tibet Plateau, this paper uses statistics methods to set up a regression equation between the...
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