简介：Undergroundlifelineengineering(ULEforshort)inmoderncitydemandstheap-preciationofanactivefaultinburiedbedrock.Generallyspeaking,alargenumberofurbangeologicaltexturesofabasementmayallbesimplifiedintoadualgeologicaltexturemodel,i.e.,theupperpartofthebasementconsistsofloosecoveringlayerandthelowerpartconsistsofbedrock.Thestudyofanactivefaultshouldincludethreepartsofcontents,i.e.,todeterminethelowertimelimitofactivityofthefault,andthetimelimitmustberecognizedbybothofdesigningengineersandgeolo-gists;onthebasisofthestudiesofrepetitionperiodsofearthquakeoccurrencetodeter-minewhetherthefaultmovesornotduringtheallowedtimeofefficacyofbuildingsandconstructions;forthesakeofengineeringpractice,theactiverateofthefaultmustbegiven.ThefaultwithdifferentactivemechanismhasdifferenteffectsontheULE.Theauthorsstudiedtheeffectoflateralnon-uniformoverburdensiteontheULEbymeansofthesu