Transcription of Corrosion Protection Classification - Con-Tech …
1 strand Anchor SystemsSt-6 Corrosion Protection ClassificationIn the 2004 Recommendations for Prestressed Rock and Soil Anchors(Fourth Edition, endorsed by ADSC), the Post-Tensioning Institute,Phoenix, defines two classes of Corrosion Protection :Class I, Encapsulated Tendons(often referred to asdouble Corrosion pro-tected, DCP).Class II, Grout ProtectedTendons (often referredto as single corrosionprotected, SCP).ClassThese classes are further outlinedProtection RequirementsAnchorageUnbondedTendon BondLengthLengthIEncapsulatedTendonIIGro utProtectedTendon1. Trumpet2. Cover, ifexposed1. Trumpet2. Cover, ifexposed1. Grease-filledsheath, or2. Grout filledsheath, or3. Epoxy for fullybondedAnchors1.
2 Grout filledencapsula-tion, or2. Epoxy1. Grease filledsheath2. Heat ShrinksleeveGroutCorrosion ProtectionCon-Tech Systems Ltd. Western D ivision: (604) 946-5571 Email: D ivision: (61 3) 342-0041 Website: Anchor SystemsSt-7 Anchor Service LiveTemporary (<24 Month)Permanent (>24 Month)AggressivityAggressivityAgressiveN on-AgressiveNon-AgressiveNot Known orAggressiveClass IIProtectionClass IProtectionClass IProtectionClass IProtectionClass IIProtectionIncremental inPlace CostsConsequencesof FailureInexpensiveExpensiveSeriousNot SeriousNoneCorrosion Protection Decision Treeas recommended by the PTI and endorsed by the ADSCC orrosion ProtectionCon-Tech Systems Ltd. Western D ivision: (604) 946-5571 Email: D ivision: (61 3) 342-0041 Website: Anchor TUBINGCORROSION INHIBITORCTS - ENCAPSULATED STRANDOTHER - EXTRUSION COATED STRANDEPOXY COATED STRANDFLO-FIL - TUBINGCORROSIONINHIBITORCTSSTRA1 QUADRUPLE PROTECTIONDOUBLE PROTECTIONTYPICAL SECTIONS THRU FREE-STRESS (UNBONDED) OR SHEATHCEMENT TUBINGCORROSION INHIBITORGROUT TUBESTRAND ANCHOR TENDONSC orrosion Protection System In Unbonded LengthSample Anchor Assemblies, Epoxy Coated StrandCon-Tech Systems Ltd.
3 Western D ivision: (604) 946-5571 Email: D ivision: (61 3) 342-0041 Website.
