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dc.contributorUnited States. Army. Corps of Engineers. Pittsburgh District.-
dc.contributor.authorSmith, Donald M.-
dc.contributor.authorHammons, Michael I.-
dc.descriptionTechnical Report-
dc.descriptionAbstract: In February 1989, the US Army Engineer Waterways Experiment Station was asked by the US Army Engineer District , Pittsburgh, Ohio River Division (ORD), US Army Corps of Engineers, to perform a structural and stability analysis of key monoliths of the Point Marion Lock, Monongahela River. Plans call for anchoring the existing land wall to underlying rock strata to resist sliding forces and overturning moments that developed following removal of backfill to create the cofferdam necessary for construction of the new lock facility. ORD requested that a finite-element analysis of representative monoliths be performed to determine the internal stresses resulting from the application of the anchoring forces and backfill removal. This report addresses only the analyses and modeling of posttensioned anchor bond-stress mechanism. Based on the results of the survey of recent developments in the state of the art of posttensioned anchor bond-stress calculation, the equations proposed by Cousins et al., were used to predict the bond-stress distribution along the secondary grouted anchors. The results of the finite-element analyses presented clearly show that the bond-force equations used provide a rational and consistent method for predicting bond-force distribution. The analyses show that neither the estimated compressive strength of the grout and concrete nor the estimated shear strength along the grout-concrete interface were exceeded.-
dc.publisherStructures Laboratory (U.S.)-
dc.publisherEngineer Research and Development Center (U.S.)-
dc.relation.ispartofseriesTechnical report (U.S. Army Engineer Waterways Experiment Station) ; SL-89-11.-
dc.rightsApproved for public release; distribution is unlimited.-
dc.sourceThis Digital Resource was created from scans of the Print Resource-
dc.subjectAnchored stabilization-
dc.subjectGrouted rock anchor-
dc.subjectBond stress-
dc.subjectPosttensioned anchor-
dc.subjectDevelopment length-
dc.subjectRock bolts-
dc.subjectPoint Marion Lock-
dc.subjectMonongahela River-
dc.titleAnalysis of posttensioned anchor bond-stress distribution, Point Marion Lock, Monongahela River-
Appears in Collections:Technical Report

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