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There are many microdefects distributed randomly in frozen soil, which will lead to great uncertainty and randomness of mechanical properties and behaviors under applied load, therefore, it is more scientific to study stress–strain relationship of frozen soil by stochastic method instead of...
Low temperature cracking induced by seasonal and daily thermal cyclic loads is one of the main critical distresses in asphalt pavements. The safety of aircraft departure and landing becomes a crucial issue in runways when thermal cracks occur in airport pavements. The low-temperature fracture...
Under the warm and ice-rich nature of permafrost and the scenarios of climate warming on the Qinghai–Tibet Plateau, the construction of Qinghai–Tibet Railway has to utilize new techniques by cooling down the ground temperature. The non-dimensional governing equations for natural convection in...
High frequency ground-penetrating radar direct ground waves were used to monitor the seasonal development of a thin, high velocity frozen soil layer over a wet low velocity unfrozen substratum. During the freezing process, the progressive attenuation of a low velocity direct ground wave and the...
In order to predict long-term stability of Qinghai–Tibet Railway (QTR) embankment, a moisture, heat and creep couple model is deduced on the basis of principal theories of numerical heat transfer, physics of frozen soil, frozen soil mechanics and rheology of frozen soil. And in this model, the...
Manual measurements of snow water equivalent (SWE) require a considerable effort, which is why several automatic methods for single-point SWE estimates have been developed. This study provides a first comprehensive review and comparison of seven different automatic ways to determine SWE and/or...
An iceberg drift model covering the Barents and Kara Seas has been developed. The skills of the model relies both on the ability to describe physical actions from the environment on the icebergs and the accuracy of the applied metocean variables (wind, waves and currents). Experiences from the...
The permafrost with ice-rich content under the embankment of Qinghai–Tibet Railroad (QTR) is interestingly and increasingly warming, thus potentially posing an adverse effect on the operation of the railroad. This study first shows in-situ data to illustrate the essence of the warming...
Rapidly available and accurate information about the location and extent of avalanche events is important for avalanche forecasting, safety assessments for roads and ski resorts, verification of warning products, as well as for hazard mapping and avalanche model calibration/validation. Today,...
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