Parametric model for conceptual cost estimation of concrete bridge Foundations

Fragkakis, N; Lambropoulos, S; Tsiambaos, G

dc.contributor.author	Fragkakis, N	en
dc.contributor.author	Lambropoulos, S	en
dc.contributor.author	Tsiambaos, G	en
dc.date.accessioned	2014-03-01T01:36:36Z
dc.date.available	2014-03-01T01:36:36Z
dc.date.issued	2011	en
dc.identifier.issn	1076-0342	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/21356
dc.subject	Bridge foundations	en
dc.subject	Construction costs	en
dc.subject	Estimation	en
dc.subject	Regression analysis	en
dc.subject.other	Bridge constructions	en
dc.subject.other	Bridge foundation	en
dc.subject.other	Classification methods	en
dc.subject.other	Conceptual cost estimation	en
dc.subject.other	Construction costs	en
dc.subject.other	Cost estimate	en
dc.subject.other	Foundation systems	en
dc.subject.other	Independent variables	en
dc.subject.other	Motorway bridges	en
dc.subject.other	Parametric models	en
dc.subject.other	Prediction model	en
dc.subject.other	Rule based system	en
dc.subject.other	Stepwise regression	en
dc.subject.other	Three stages	en
dc.subject.other	Transportation infrastructures	en
dc.subject.other	Concrete construction	en
dc.subject.other	Cost accounting	en
dc.subject.other	Costs	en
dc.subject.other	Estimation	en
dc.subject.other	Foundations	en
dc.subject.other	Mathematical models	en
dc.subject.other	Regression analysis	en
dc.subject.other	Cost benefit analysis	en
dc.subject.other	bridge	en
dc.subject.other	concrete structure	en
dc.subject.other	construction material	en
dc.subject.other	estimation method	en
dc.subject.other	foundation	en
dc.subject.other	numerical model	en
dc.subject.other	parameterization	en
dc.subject.other	regression analysis	en
dc.subject.other	transportation infrastructure	en
dc.title	Parametric model for conceptual cost estimation of concrete bridge Foundations	en
heal.type	journalArticle	en
heal.identifier.primary	10.1061/(ASCE)IS.1943-555X.0000044	en
heal.identifier.secondary	http://dx.doi.org/10.1061/(ASCE)IS.1943-555X.0000044	en
heal.language	English	en
heal.publicationDate	2011	en
heal.abstract	Motorway bridges constitute a major part of modern transportation infrastructure networks. Interestingly, although foundations substantially influence the bridge construction cost, few studies have focused on predesign cost estimates. This paper presents a conceptual cost-estimate model for bridge foundations that involves three stages: the selection of the foundation system, the estimation of the material quantities, and the estimation of the foundation cost. It describes an easy-to-use ground classification method, which combined with a rule-based system, leads to the choice of the foundation system. This paper also describes the development of prediction models for the material quantities of different types of foundations. The significant independent variables were identified by the experts in interview sessions. Despite its drawbacks, the stepwise regression methodology was applied to see whether the results are consistent with the experts' opinion. The major assumptions underlying the correct application of the regression methodology were tested, and the necessary adjustments were made. The proposed conceptual cost-estimating methodology provides fast and reliable results that can be very useful in the early stages of a project. DOI: 10.1061/(ASCE)IS.1943-555X.0000044. (C) 2011 American Society of Civil Engineers.	en
heal.publisher	ASCE-AMER SOC CIVIL ENGINEERS	en
heal.journalName	Journal of Infrastructure Systems	en
dc.identifier.doi	10.1061/(ASCE)IS.1943-555X.0000044	en
dc.identifier.isi	ISI:000291634300002	en
dc.identifier.volume	17	en
dc.identifier.issue	2	en
dc.identifier.spage	66	en
dc.identifier.epage	74	en