Abstract:
Understanding buildingmaterialpropertiescanplayakeyroleinanalyzingthehealthofstructural
elements inbuildings.Theseconstructionmaterialsshouldhavetherequiredengineering
properties whichfulfilthephysicalandchemicalrequirementsspecifiedintheStandardCodes
prior tousageinthefield.But,thefieldandlaboratorytestscanbelaborious,time-consumingand
cost-intensive. Generally,thestandardtestsemployedforcharacterizingmaterialpropertiesare
destructive innature.Largestructuressuchasbridges,dams,tunnelsarerarelyconsideredfor
destructive testing.Also,thechangeinthematerialpropertycanbeduetoexternalandinternal
factors whoseimpactmayormaynotbedetecteduntiltheoccurrenceoffailure/damage.Asthe
need fornon-destructivetestinggrewovertheyears,hyperspectraltechnologyhasbeenexploited
as anon-destructivetestmethodforassessingthepropertiesofcomponentsofbuildings.This
study aimstoinvestigatethequalityinformationaboutthedifferentbuildingmaterialsusing
hyperspectral remotesensingmethodandtocorrelateitwiththeresultsoftraditionalquality
testing methods.ThematerialsusedintheexperimentincludedOrdinaryPortlandCement,
Portland PozzolanaCement,WhitePortlandCement,(OPC43grade)ConcreteandCementMortar
Mix(1:3, 1:4,1:6).Thecementsampleswerestudiedandexperimentedforidentificationof
cement typesandtochecktheirtemporalbehaviour.Thespectralanalysisofconcreteandmortar
cube sampleswereconductedtoassessitsrelationtothecompressivestrengthattainedbythe
samples ondifferentcuringages.Theresultsfromtheexperimentsshowthatremotesensing
methods can be implemented for extracting qualitative information on construction materials.
