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Experimental Study on Influencing Factors of Characteristic Index of Local Horizontal Frozen Body of Double-Row Pipe under Seepage
المؤلفون المشاركون
Shan, Renliang
Liu, Weijun
Chai, Gaojun
Xiao, Shengchao
المصدر
Advances in Materials Science and Engineering
العدد
المجلد 2020، العدد 2020 (31 ديسمبر/كانون الأول 2020)، ص ص. 1-11، 11ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2020-04-01
دولة النشر
مصر
عدد الصفحات
11
الملخص EN
In order to deeply understand the influence of different factors on the characteristic indicators of the double-row-pipe partial horizontal frozen body in the sand-gravel stratum under the effect of seepage flow, several sets of sand-gravel stratum frozen model tests were carried out based on the similarity theory.
The research showed that (1) under the effect of seepage flow, the backwater surface of the horizontal frozen body is in the shape of a quadratic parabolic and the development velocity of the backwater surface is inversely proportional to the square of the freezing time.
The influence of seepage velocity on the downstream length and the freezing front development velocity of the backwater surface is stronger than the refrigerant temperature; (2) overlap time of the second row of frozen soil column increases with the increase of the distance between frozen pipes and seepage velocity and decreases with the decrease of the refrigerant temperature.
The influence of various factors on the overlap time follows the order as the distance between freezing pipes > seepage velocity > refrigerant temperature.
The average development velocity of the upstream surface decreases with the increase of the seepage velocity and the refrigerant temperature and first increases and then decreases with the increase of freezing pipe spacing.
The influence of various factors on the average development velocity follows the order as seepage velocity > the distance between freezing pipes > refrigerant temperature.
In addition, through the regression analysis, the quantitative relationship between the maximum arrangement spacing of the frozen pipes, the seepage velocity, and the refrigerant temperature was obtained.
The research results can provide a basis for large-area partial horizontal freezing construction in Beijing sand-gravel stratum.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Shan, Renliang& Liu, Weijun& Chai, Gaojun& Xiao, Shengchao. 2020. Experimental Study on Influencing Factors of Characteristic Index of Local Horizontal Frozen Body of Double-Row Pipe under Seepage. Advances in Materials Science and Engineering،Vol. 2020, no. 2020, pp.1-11.
https://search.emarefa.net/detail/BIM-1129266
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Shan, Renliang…[et al.]. Experimental Study on Influencing Factors of Characteristic Index of Local Horizontal Frozen Body of Double-Row Pipe under Seepage. Advances in Materials Science and Engineering No. 2020 (2020), pp.1-11.
https://search.emarefa.net/detail/BIM-1129266
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Shan, Renliang& Liu, Weijun& Chai, Gaojun& Xiao, Shengchao. Experimental Study on Influencing Factors of Characteristic Index of Local Horizontal Frozen Body of Double-Row Pipe under Seepage. Advances in Materials Science and Engineering. 2020. Vol. 2020, no. 2020, pp.1-11.
https://search.emarefa.net/detail/BIM-1129266
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1129266
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
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