Selecting utilitiesplacementtechniquesinurban undergroundengineering

Autores UPV
Año
Revista Archives of Civil and Mechanical Engineering

Abstract

Placement ofutilitieshasnotbeengenerallyaccomplishedinanysustainabletechnique resultinginaveritablemazeinhighdensityurbanareas.Asundergroundspacescarcity growsinourcitiesduetotheincreasingdemandsforutilityservices,subsurfacefacilities such asutilitytunnelsarebecomingmoreefficientinprovidingtherequiredinfrastruc- ture.Thereisagrowingpublicawarenessofaestheticconsiderationsandimpatiencewith street cutsandtheirassociatedcosts,trafficinterferences,noiseandaccidentalutility cuts. Unfortunatelythelackofdataandthedifficultyinquantifyingtheintangibleshas made itimpossibletoarriveatareasonablyaccuratefigureofoverallnegativeimpacton the urbanenvironmentofstreetcuts.Duetothis,currentpracticesoftraditionaltrenching depending onlyoncostindicatorsremainasfirstoptioninurbanplanninginsteadofmore sustainabletechniques,likeutilitytunnels.However,itiswellknownthatintangiblecosts to thepublicandtheutilitiesmightmaketheutilitytunnelconcepttobeeconomically feasible inthelongrun.ThispaperpresentsamethodologybasedonAHPandDelphi processes fortheselectionofutilitiesplacementtechniquesinwhichtheintangiblesare also assessedtoavoidshort-sightedurbanundergroundplanning.