土木工程类外文文献翻译

nbethreatenedbythisfailure;(3)Possibilityand/orlikelihoodofrepairingthestructure;(4)?Predictedlifeofthestructure.Allthesefactorsarerelatedtoeconomicandsocialconsiderationssuchas:(1)?Initialcostoftheconstruction;(2)?Amortizationfundsforthedurationoftheconstruction;(3)?Costofphysicalandmaterialdamageduetothefailureoftheconstruction;(4)?Adverseimpactonsociety;(5)?Moralandpsychologicalviews.Thedefinitionofalltheseparameters,foragivensafetyfactor,allowsconstructionattheoptimumcost.However,ount.Forsuchananalysisthelawsofthedistributionoftheliveloadanditsinducedstresses,ofthescatterofmechanicalpropertiesofmaterials,andofthegeometryofthecross-sectionsandthestructurehavetobeknown.Furthermore,itisdifficulttointerprettheinteractionbetweenthelawofdistributionofstrengthandthatofstressesbecausebothdepen