Thermomechanical modeling of freezing soil
WebbA coupled model of freezing–thawing of saturated porous materials, such as soils and rocks, is presented. The formulation is based on fundamental laws of continuum … WebbAn approach based on the theory of mixtures with the concept of molar volume fractions and on the basic principles of continuum mechanics and macroscopic thermodynamics …
Thermomechanical modeling of freezing soil
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Webb27 apr. 2015 · Numerous models have been developed to predict the thermal conductivity of soils at a range of different densities and moisture contents. This paper evaluates … WebbFrozen temperature is a crucial factor that impacts the amount of Superscripts freezable water within soils and influences the rate of b The variable of bonded elements freezing, which will affect the formation of ice lenses and f The variable of frictional elements influence the soil structure [30, 34].
WebbThermal-Hydro-Mechanical Model for Freezing and Thawing of Soils. Zhang, Yao 2014 View/Open zhyao_1.pdf (5.5MB PDF) Abstract Frost susceptible soils are vulnerable to … WebbAccurate simulation of soil water and heat transfer is critical to understand surface hydrology under cold conditions. Using an extended freezing code in HYDRUS-1D (freezing module), this study was conducted: (1) to evaluate the freezing module using field data collected in a grazed steppe of Inner Mongolia; and (2) to further simulate grazing …
WebbFör 1 dag sedan · Frozen ground covers vast areas worldwide and about 75% of the land area in the Northern Hemisphere undergoes seasonal freezing and thawing processes. It has been well acknowledged that freeze–thaw cycles (FTCs) and temperature rise in cold regions have significant effects on the hydraulic, thermal, and mechanical properties and … WebbHartikainen, J. and Mikkola M.1997, General thermomechanical model of freezing soil with numerical application. In Knutsson (Ed.), Proceedings of the International Symposium on …
Webb1 aug. 2007 · Abstract Proper simulation of soil freezing and thawing processes is an important issue in cold region climate studies. This paper reports on a frozen soil …
Webb25 dec. 2024 · The TG analysis was carried out in a thermogravimetric apparatus (TGA model Q50 supplied by TA Instruments, New Castle, DE, USA). Samples from each specimen of small granules, approximately 8 to 20 mg were taken for the test. The specimens were kept at an isothermal temperature of 50 °C for 5 min before applying … trampoline zayn karaokeWebb10 sep. 1991 · Thermomechanical modelling of freezing soil Author FREMOND, M; MIKKOLA, M LCPC/CNRS, Paris, France Conference title International symposium on … trampoline vrije ruimteWebb13 apr. 2024 · The soil freeze–thaw process on the TP has changed significantly owing to global warming, affecting the alpine ecosystem structure and function. This study used high-resolution atmospheric forcing datasets to drive the Community Land Model version 5.0 (CLM5.0) to simulate the near-surface soil freeze–thaw status between 1979 and … trampoline ukraineWebbiii ACKNOWLEDGEMENTS First of all, I would like to thank my advisor, Professor Radoslaw L. Michalowski, who guided and supported me throughout my doctoral program. He is … trampolinepark mo i ranaWebbAbstract Fremond and Mikkola (1991) presented a mathematical model for the freezing of saturated soil based on the principles of continuum mechanics and of macroscopic … trampoline voglansWebb28 jan. 2006 · The thermo-mechanical model only described the microscopic frost heave mechanisms; it did not calculate the amount of frost heave; (vi) premelting dynamic … trampolines zapopanWebb29 aug. 2024 · In this paper, the momentum equilibrium equation, the continuity equation, and the energy equation for the coupled heat and moisture transfer-deformation model … trampoline zaak