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Variation of Wave Velocity and Porosity of Sandstone after High Temperature Heating

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Języki publikacji
EN
Abstrakty
EN
This paper reports the variations of mass, porosity, and wave velocity of sandstone after high temperature heating. The range of temperature to which the sandstone specimens have been exposed is 25-850°C, in a heating furnace. It has been shown that below 300°C, porosity and wave velocity change very little. Above 300°C, there is a rapid increase in porosity, but the wave velocity decreases significantly. The results of thermo gravimetric analysis (TGA), differential scanning calorimetry (DSC) and mercury intrusion porosimetry (MIP) suggest that a series of changes occurred between 400 and 600°C in sandstone could be responsible for the different patterns of variation in porosity and wave velocity
Czasopismo
Rocznik
Strony
633--648
Opis fizyczny
Bibliogr. 26 poz.
Twórcy
autor
  • School of Resources and Geosciences, China University of Mining and Technology, Xuzhou, China
autor
  • School of Resources and Geosciences, China University of Mining and Technology, Xuzhou, China
autor
  • Research Institute of Highway Ministry of Transport, Beijing, China
autor
  • School of Resources and Geosciences, China University of Mining and Technology, Xuzhou, China
Bibliografia
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Uwagi
PL
Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-1d9bc26f-ee5c-48c2-b0f7-32997c39c7c6
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