Variations of Strength, Resistivity and Thermal Parameters of Clay after High Temperature Treatment

• Autorzy: Sun Q. , Zhang W. , Zhang Y. , Yang L.

Identyfikatory

DOI

10.1515/acgeo-2016-0090

• Języki publikacji: EN

Abstrakty

EN

This paper reports the variations of strength, resistivity and thermal parameters of clay after high-temperature heating. Experiments were carried out to test the physical properties of clay heated at temperatures ranging from room temperature to 800°C in a furnace. The experiment results show that below 400°C the uniaxial compressive strength and resistivity change very little. However, above 400°C, both increase rapidly. At a temperature under 400°C, the thermal conductivity and specific heat capacity decrease significantly. The thermogravimetric analysis (TG) and differential scanning calorimeter (DSC) test indicate that a series of changes occur in kaolinite at temperatures from 400 to 600°C, which is considered the primary cause of the variation of physical and mechanical properties of clay under high temperatures.

Słowa kluczowe

EN

high temperature; clay; strength; resistivity; thermal parameter

PL

temperatura wysoka; glina; wytrzymałość; oporność; parametry cieplne

• Wydawca: Instytut Geofizyki PAN ; Springer
• Czasopismo: Acta Geophysica
• Rocznik: 2016
• Tom: Vol. 64, no. 6
• Strony: 2077--2091
• Opis fizyczny: Bibliogr. 33 poz.

Twórcy

autor

Sun Q.

• School of Resources and Geosciences, China University of Mining and Technology, Xuzhou, Jiangsu Province, P.R. China

autor

Zhang W.

• School of Resources and Geosciences, China University of Mining and Technology, Xuzhou, Jiangsu Province, P.R. China

autor

Zhang Y.

• School of Resources and Geosciences, China University of Mining and Technology, Xuzhou, Jiangsu Province, P.R. China

autor

Yang L.

• School of Resources and Geosciences, China University of Mining and Technology, Xuzhou, Jiangsu Province, P.R. China

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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017)