INFRARED THERMOGBAPHY

PrefaceChapter 1 Overview1．1 Background1．2 Overview of geomechanics model tests1．3 Overview of infrared detectionChapter 2 Theoretical aspects of the infrared2．2 Infrared spectralband2．3 Radiometry fundamentals2．3．1 Radiant energy2．3．3 Geometrical spreading of a beam2．3．6 Radiant exitance2．3．7 Radiant intensity of a source in a given direction2．3．9 Radiation scattering2．3．8 Bouguer’s law2．4 Black bodyradiation2．4．3 Wien’slaw2．4．5 Exitance of a black body in a given spectral band2．4．6 Calculation of exitance of black body2．4．7 Thermal radiation contrast2．5．1 Different types of radiator2．5．2 Emissivity of a material2．5．3 Stefan-Boltzmann’s law for grey body2．5．5 Electrically conducting materialsChapter 3 Geomechanical model test3．1 Literature review on physical model test3．2 Similarity theory and dimensional analysis3．2．2 Selection of similarity materials and ratios3．3．2 In situ rock properties3．4 Geomechanical model construction3．4．3 Physico-mechanical parameters of the model3．4．4 Rock structure simulation3．4．5 Geomechanical model3．5．1 Thermography and imaging procedures3．5．2 Temperature calibrationChapter 4 Excavation in 600 inclined strata4．1 Introduction4．2 Experiment4．2．2 Geomechanical model construction4．3．1 Infrared thermography4．3．2 Thermal-mechanical coupling4．4 Image processing……
Chapter 5 Excavation in 450 strataChapter 6 Excavation in horizontal strataChapter 7 Overloaded tunnel in 450 inclined rocksChapter 8 Overloaded tunnel in horizontal strata