Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Moisture-Thermal Coupling Model for the Temperature Calculation of the Permafrost Subgrade
Water and heat conditions and their interactive affections are the key factors for the frost damages of highway engineering. In order to understand the moisture and thermal movement of subgrade soil deeply, a moisture-thermal coupling model has been developed for analyzing the temperature distribution in the permafrost subgrade of highway. The model takes into account both the effects of heat generation, internal conduction and convection, and the moisture movement to accurately predict the temperature evaluation. The theoretical calculations are compared to in-situ test results for the Qinghai_Tibet Highway and shown to be in great agreement at accuracy and precision. The coupling model can serves for the prediction of the frost depth of permafrost subgrade, further prevent the highway engineering from damages.
Moisture-Thermal Coupling Model for the Temperature Calculation of the Permafrost Subgrade
Water and heat conditions and their interactive affections are the key factors for the frost damages of highway engineering. In order to understand the moisture and thermal movement of subgrade soil deeply, a moisture-thermal coupling model has been developed for analyzing the temperature distribution in the permafrost subgrade of highway. The model takes into account both the effects of heat generation, internal conduction and convection, and the moisture movement to accurately predict the temperature evaluation. The theoretical calculations are compared to in-situ test results for the Qinghai_Tibet Highway and shown to be in great agreement at accuracy and precision. The coupling model can serves for the prediction of the frost depth of permafrost subgrade, further prevent the highway engineering from damages.
Moisture-Thermal Coupling Model for the Temperature Calculation of the Permafrost Subgrade
Ye, Zhi-Qiang (Autor:in) / Mao, Xue-Song (Autor:in) / Ye, Min (Autor:in)
2012
6 Seiten
Aufsatz (Konferenz)
Englisch
Moisture-Thermal Coupling Model for the Temperature Calculation of the Permafrost Subgrade
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