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المؤلفXiao, Suguang
المؤلفSuleiman, Muhannad T.
المؤلفElzeiny, Rehab
المؤلفXie, Huan
المؤلفAl-Khawaja, Mohammed
تاريخ الإتاحة2024-04-24T09:29:54Z
تاريخ النشر2017-03
اسم المنشورGeotechnical Special Publication
المعرّفhttp://dx.doi.org/10.1061/9780784480472.018
الاقتباسXiao, S., Suleiman, M. T., Elzeiny, R., Xie, H., & Al-Khawaja, M. (2017). Soil-concrete interface properties subjected to temperature changes and cycles using direct shear tests. In Geotechnical Frontiers 2017 (pp. 175-183).
الترقيم الدولي الموحد للكتاب 9780784480472
الرقم المعياري الدولي للكتاب0895-0563
معرّف المصادر الموحدhttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85018769647&origin=inward
معرّف المصادر الموحدhttp://hdl.handle.net/10576/54193
الملخصGeothermal foundations (energy piles) combine the structural function of deep foundations with the ground source heat exchangers to transfer geothermal energy to superstructures. The intermittent operation of the geothermal energy pile system results in cyclic thermal loading on the soil-pile interface. To investigate the effects of cyclic thermal loading on soil-concrete interface properties, a conventional direct shear device was modified by replacing the bottom shear box with a concrete plate that has embedded aluminum tubes to heat and cool the interface. A series of tests were conducted with interface temperatures of 4.5, 22.5, and 42.5°C, respectively. The normal stresses of the direct shear tests were 27.6, 41.4, and 100 kPa. The tests were performed both under cooling and heating with thermal cycle numbers of 0.5 and 10.5. The aforementioned tests were conducted at a shearing rate of 3 mm/min, and the water contents of all the samples were approximately 18.5%. The responses of soil-concrete interface at different temperatures and temperature cycles are presented in this paper.
راعي المشروعQatar National Research Fund (QNRF) - grant no. [NPRP 7 - 725 - 2 - 270]
اللغةen
الناشرAmerican Society of Civil Engineers Library (ASCE Library)
الموضوعSoil testing
Temperature changes
العنوانSoil-concrete interface properties subjected to temperature changes and cycles using direct shear tests
النوعConference Paper
الصفحات175-183
رقم العددGSP 280
رقم المجلد0
dc.accessType Abstract Only


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