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Study of Freezing Scheme in Artificial Horizontal Ground Freezing Method in Multi-lane Road Tunnel Based on Numerrical Simulation of Temperature Field

Auteur(s):
Médium: article de revue
Langue(s): anglais
Publié dans: IOP Conference Series: Materials Science and Engineering, , n. 1, v. 741
Page(s): 012043
DOI: 10.1088/1757-899x/741/1/012043
Abstrait:

Artificial ground freezing method to form a frozen soil wall to cut off water and resist the soil pressure before excavation, was rarely used in Bangladesh such a vast hilly area. In this paper, connecting channel construction in Multi-lane Road Tunnel under the River Karnaphuli Chittagong – Bangladesh which is proposed to be constructed by double-row-ring freezing method, is taken as the study object. Taking the development of temperature field, the resisting ability of frost wall to thermal disturbance resulted from excavation, analysis of different freezing condition by numerical simulation is carried out for active and maintaining freezing stages, so that some guidance could be given for the final selection of freezing scheme. The results show that the design and construction scheme were reasonably practicable.

Structurae ne peut pas vous offrir cette publication en texte intégral pour l'instant. Le texte intégral est accessible chez l'éditeur. DOI: 10.1088/1757-899x/741/1/012043.
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  • Reference-ID
    10675317
  • Publié(e) le:
    12.06.2022
  • Modifié(e) le:
    12.06.2022
 
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