allowable loadallowable shearing stressallowable soil pressureallowable stressallowable stress reduction factoralloyalloy steelalloy steel baralluvialalluvial conealluvial depositalluvial fanalluvial plainalluvial riveralluvial slope springalluvial soilalluvial wellalluviationalluviumalterabilityalterationaltered structurealternate depthalternating double filteralternating loadalternating tensoralternative loadingaltimeteraltitudealuminaaluminous cementaluminumaluminum alloyambientambient temperatureambryamerican institute of steel constructionamorphousamorphous materialamortizationamortization periodamortizeamphibianamphibiousamphidromic pointamphitheateramplification factoramplifieramplitudeamplitude of vibration