settlement forecastsettlement jointsettlement load curvesettlement measurementsettlement observationsettlement of the foundationsettlement platesettlement ratiosettlement time curvesettlersettlingsettling basinsettling velocitysever erosionsewagesewage disposal systemsewage pumpsewage purificationsewage rechargesewage treatmentsewage treatment plantsewersewer appurtenancessewer gassewer linesewer pipesewer tilesewerage systemsewered areashadingshaftshaft adhesionshaft frictionshaft resistanceshaft spillwayshakingshaking testshaleshale aggregateshallowshallow arcadeshallow foundationshallow wellshaly clayshankshank of boltshapeshape coefficientshape factorshape function