Vulnerability evaluation of water inrush in coal seam floor based on zone variable weight and AHP

Thetraditionalvulnerabilityassessmentofwaterinrushfromcoalseamflooroftenobtainsthe constantweightofeachinfluencefactorthroughdifferentmodelsandcalculationmethods.Whenevaluating,eachsubareaadoptsthisfixedweight,ignoringthefactthattheindexvaluesofeachinfluencefactorindifferentsubareasareindifferentcombinations,andtheinfluenceweightshouldbeadjustedaccordinglytoreflecttherelativeimportanceofeachinfluencefactorinwaterinrushfromcoalseamfloor inrealtime.Inthispaper,combinedwiththeconstantweightsoftheinfluencefactorsdeterminedby AHP,thezoningvariableweightmodelisintroducedtoadjusttheweightdistributionofdifferentzones underdifferentcombinationsoffactors,whichimprovestheirrationalityofconstantweightsindifferent zoningevaluation,furtherimprovestheaccuracyofevaluationresults,andprovidessomereferencefor thesafeproductionofcoalmines.