... Groups in Cohesionless SoilWhen a detailed analysis of the settlement of pilegroups in cohesionless soils is conducted, the pilegroup settlement should be estimated using resultsof insitu tests ... inCohesionless SoilsThis effective stress method should be appliedonly to sands and nonplastic silts. The nominal unitside resistance, q s , for this method, in KSF, shall betaken as:cos)sin( ... all soil and rock conditions.For purposes of structural design, it is usuallyassumed that the bearing stress varies linearlyacross the bottom of the footing. This assumptionresults in the slightly...