<strong>Conduits</strong> <strong>through</strong> <strong>Embankment</strong> <strong>Dams</strong>TTag, 105, 106Tailings, 24, 25, 27, 29Tailwater, 57, 242Tampers, 33, 80, 122Template, 295, 296Temporary diversion channel, 336Tensile, 52, 53, 82, 90, 92, 95, 104, 105, 185, 187, 189, 261, 306, 329, 339, 342Terminal structure, 1, 36, 45, 58, 61, 64, 66, 67, 70-74, 103, 179, 197, 208, 211-213,217, 218, 226, 291, 294, 302, 304, 316, 319, 324, 326, 331, 333, 336, 337,356, 357Testing, 23, 26, 47, 50, 73, 94, 95, 100, 112, 121, 123, 126, 127, 147-149, 151-154,175, 194, 195, 211, 213, 219, 232, 241, 245, 247, 257, 259-261, 276,304-306, 310, 318, 320, 327, 329, 335, 340-342, 350, 360conduit, see Conduit, evaluation by testingcontrol, see control testingdestructive, see destructive testinggeophysical, see Geophysical testingnondestructive, see Nondestructive testingTether, 221, 224, 226Theory of filter seal development, 131Thermocouple, 105Thermoplastic, 1, 41, 46, 47, 50, 97, 109, 293, 319Thermoset plastic, 1, 41, 46, 48, 49, 97Toe of the embankment dam, 14, 33, 70, 73, 135, 143, 147, 165, 197, 239, 240, 278,281, 306Tomography, see seismic tomographyTower pipe, see Pipe, towerTransducer, 246, 254-260Transverse crack, 115, 120, 124, 134, 240Trashrack, 216Trench, 21, 23, 37, 38, 87, 88, 115, 118, 121, 127, 133, 135, 137, 140, 142, 144, 152,154, 237, 277, 284, 337, 341, 354Trenchless technology, 290, 324, 325Tunnel, 6, 9, 15-17, 34, 36, 39, 69, 87, 158, 161, 163, 165-168, 172, 174, 338-341Turbidity meter, 236438
IndexUUltrasonic pulse-echo, 245, 246, 256, 257, 350Ultrasonic pulse-velocity, 213, 245, 246, 256, 257, 350Ultrasonic thickness survey, 257-259Uplift pressures, 91, 236, 237, 239Underwater inspections, see Inspection, underwaterUpstream control, 60, 62, 65, 66, 291Utility conduit, 23, 24VValve, 39, 50, 52, 57-61, 64-67, 73, 75, 90, 167, 181, 216, 230, 278, 286, 287, 297, 326Vertical movements, 75, 85, 236, 239, 240Void, 6, 9, 11-13, 115, 124, 128, 129, 133, 149, 159, 163, 167, 188, 189, 206, 211, 232,246, 248, 250, 253-255, 257, 260, 276, 292, 310, 311, 326, 340, 345-348,353WWaves, see Spectral Analysis of Surface WavesWater content, 86, 118, 120, 121, 123, 124, 151, 153, 154, 334, 335Water level, 7, 141, 203, 205, 212, 227, 236, 238, 242, 243, 280, 287, 288, 357, 360Water quality, 59, 197, 236, 241Waterstop, 103, 107-110Watertightness, 26, 45, 47, 52, 53, 64, 83, 98, 99, 106, 112, 192Weir, 206, 207, 236, 238, 288Wood stave, 3ZZones, filter, see Filter, zonesZoning of embankment dams, 10, 14, 28, 32, 33, 38, 39, 61, 76, 79-84, 118, 120-124,126-128, 131, 133-135, 137-140, 142-145, 147-150, 152, 153, 155, 161,165, 167, 168, 170, 172, 175, 179, 181, 198, 237, 239, 246, 248, 253, 264,334, 335, 358439
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Technical Manual:Conduits throughEm
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PrefaceTens of thousands of conduit
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Prefacecondition. The hazard classi
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PrefaceLakeLine MagazineMaryland Da
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Conduits through Embankment Dams11.
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Contents23 Precast concrete pipe be
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Contents81 On first filling, a high
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Contents117 This conduit was severe
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Contents158 An example of a histori
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ContentsFigures in the AppendicesNo
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ContentsB-33 Aerial view of Como Da
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ContentsB-81 Cross section of Wiste
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ContentsMASW, multichannel analysis
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Symbolsc, cohesionE', modulus of so
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ContentsD 3350D 4221D 4253D 4254D 4
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IntroductionConduits convey water f
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IntroductionFigure 3.—A 15-inch d
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Introductionunstable. When seepage
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IntroductionAn embankment dam with
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A vortex may form at the location w
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IntroductionWater from the reservoi
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IntroductionFlowing water from the
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IntroductionThe process of dislodgi
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Introductionbe observable at the su
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IntroductionFigure 11.—Example of
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Introductionwhere conduits were ass
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Introduction• Conduits within lev
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IntroductionFigure 12.—An example
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Introductionmore recent practiced h
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IntroductionThe “best practices
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Chapter 1GeneralConduits have been
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Chapter 1—GeneralFigure 14.—Ant
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Chapter 1—GeneralFigure 17.—Fai
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Chapter 1—Generalmeans the condui
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Chapter 1—Generalfacilitate futur
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Chapter 2Conduit MaterialsVarious m
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Chapter 2—Conduit MaterialsFigure
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Chapter 2—Conduit MaterialsFigure
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Chapter 2—Conduit Materials• Co
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Chapter 2—Conduit MaterialsFigure
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Chapter 2—Conduit MaterialsSteel
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Chapter 2—Conduit Materials2.3.2
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Chapter 2—Conduit MaterialsFigure
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Chapter 3Hydraulic Design of Condui
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Chapter 3—Hydraulic Design of Con
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Chapter 4Structural Design of Condu
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Chapter 4—Structural Design of Co
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Chapter 4—Structural Design of Co
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Chapter 5Foundation and Embankment
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Chapter 5—Foundation and Embankme
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Chapter 5—Foundation and Embankme
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Chapter 5—Foundation and Embankme
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Chapter 5—Foundation and Embankme
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Chapter 5—Foundation and Embankme
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Chapter 5—Foundation and Embankme
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Chapter 5—Foundation and Embankme
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Chapter 5—Foundation and Embankme
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Chapter 6Filter ZonesZones of desig
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Chapter 6—Filter Zonesseepage or
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Chapter 6—Filter ZonesFigure 87.
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Chapter 6—Filter ZonesFigure 89.
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Chapter 6—Filter ZonesFigure 90.
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Chapter 6—Filter Zones3. Upstream
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Chapter 6—Filter Zonesbedrock sur
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Chapter 6—Filter Zoneszones, and
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Chapter 6—Filter Zonesfiltering t
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Chapter 6—Filter Zonessoil. This
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Chapter 6—Filter Zones6.8 Specifi
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Chapter 6—Filter ZonesVarious deg
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Chapter 6—Filter Zones• For pre
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Chapter 7Potential Failure Modes As
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Chapter 7—Potential Failure Modes
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Chapter 7—Potential Failure Modes
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Chapter 7—Potential Failure Modes
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Chapter 7—Potential Failure Modes
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Chapter 7—Potential Failure Modes
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Chapter 8Potential Defects Associat
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Chapter 8—Potential Defects Assoc
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Chapter 8—Potential Defects Assoc
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Chapter 8—Potential Defects Assoc
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Chapter 9Inspection and Assessment
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Chapter 9—Inspection and Assessme
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Chapter 9—Inspection and Assessme
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Chapter 9—Inspection and Assessme
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Chapter 10Evaluation by Geophysical
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Chapter 10—Evaluation by Geophysi
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Chapter 10—Evaluation by Geophysi
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Chapter 10—Evaluation by Geophysi
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Chapter 10—Evaluation by Geophysi
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Chapter 10—Evaluation by Geophysi
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Chapter 10—Evaluation by Geophysi
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Chapter 10—Evaluation by Geophysi
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Chapter 11Appropriate Emergency Act
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Chapter 11—Appropriate Emergency
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Chapter 11—Appropriate Emergency
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Chapter 11—Appropriate Emergency
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Table 11.2.—Potential problems an
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Chapter 11—Appropriate Emergency
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Chapter 11—Appropriate Emergency
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Chapter 11—Appropriate Emergency
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Chapter 11—Appropriate Emergency
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Chapter 11—Appropriate Emergency
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Chapter 11—Appropriate Emergency
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Chapter 11—Appropriate Emergency
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Chapter 12Renovation of ConduitsThe
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Chapter 12—Renovation of Conduits
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Chapter 12—Renovation of Conduits
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Chapter 12—Renovation of Conduits
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Chapter 12—Renovation of Conduits
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Chapter 12—Renovation of Conduits
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Chapter 12—Renovation of Conduits
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Chapter 12—Renovation of Conduits
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Chapter 12—Renovation of Conduits
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Chapter 12—Renovation of Conduits
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Chapter 12—Renovation of Conduits
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Chapter 12—Renovation of Conduits
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Chapter 12—Renovation of Conduits
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Chapter 12—Renovation of Conduits
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Chapter 12—Renovation of Conduits
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Chapter 12—Renovation of Conduits
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Chapter 12—Renovation of Conduits
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Chapter 12—Renovation of Conduits
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Chapter 12—Renovation of Conduits
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Chapter 12—Renovation of Conduits
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Chapter 12—Renovation of Conduits
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Chapter 13Replacement of ConduitsGe
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Chapter 13—Replacement of Conduit
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Chapter 13—Replacement of Conduit
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Chapter 13—Replacement of Conduit
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Chapter 13—Replacement of Conduit
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Chapter 13—Replacement of Conduit
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Chapter 13—Replacement of Conduit
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Chapter 14Repair and Abandonment of
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Chapter 14—Repair and Abandonment
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Chapter 14—Repair and Abandonment
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Chapter 14—Repair and Abandonment
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Chapter 14—Repair and Abandonment
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Chapter 14—Repair and Abandonment
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Chapter 14—Repair and Abandonment
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Chapter 14—Repair and Abandonment
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Chapter 14—Repair and Abandonment
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ReferencesThe following references
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ReferencesBureau of Reclamation, De
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ReferencesCooper, Chuck, E. Wesley
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ReferencesJacobsen, S., “Buckling
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ReferencesNatural Resources Conserv
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ReferencesU.S. Army Corps of Engine
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ReferencesWooten, R. Lee, Peter S.
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Additional ReadingThe following ref
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Additional ReadingCarter, Brent H.,
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Additional ReadingJohnson, Brian, J
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Additional ReadingNatural Resources
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Additional ReadingU.S. Army Corps o
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- Page 427 and 428: GlossaryThe terms defined in this g
- Page 429 and 430: Glossary• Backward erosion piping
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- Page 435 and 436: Glossarymalfunction or abnormality
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- Page 441 and 442: GlossaryGate chamber: An outlet wor
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- Page 445 and 446: GlossaryLeakage (FEMA, 2004): Uncon
- Page 447 and 448: GlossaryOpen cut: An excavation thr
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- Page 451 and 452: GlossaryResistivity: A measure of t
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- Page 455 and 456: GlossaryStandard Proctor compaction
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- Page 459 and 460: GlossaryReferencesAmerican Concrete
- Page 461 and 462: IndexAAbandonment of conduits, 225,
- Page 463 and 464: IndexCompaction of backfill, 6, 10,
- Page 465 and 466: IndexDDamembankment, 113-130, 333-3
- Page 467 and 468: IndexExisting conduit, 23, 31, 45-5
- Page 469 and 470: IndexHydraulic fracture, 4-11, 17,
- Page 471 and 472: IndexMechanical caliper, 246Metal c
- Page 473 and 474: IndexPressure flow, see Conduit, pr
- Page 475: IndexSliplining, 39, 45-47, 51, 164
- Page 479 and 480: Appendix AHistory of Antiseep Colla
- Page 481 and 482: Appendix A—History of Antiseep Co
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- Page 487 and 488: Appendix BCase HistoriesIndexDam Lo
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Appendix B—Case HistoriesFigure B
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Appendix B—Case Historiesentire c
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Appendix B—Case HistoriesProject
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Appendix B—Case HistoriesProject
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Appendix B—Case HistoriesProject
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Appendix B—Case Historieshauled i
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Appendix B—Case HistoriesProject
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Appendix B—Case Historiescoal tar
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Appendix B—Case Historieshistory
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Appendix B—Case Historiesarea, a
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Appendix B—Case HistoriesProject
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Appendix B—Case HistoriesLessons
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Appendix B—Case Historiespipe. Du
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Appendix B—Case Historiesinvert o
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Appendix B—Case Historiesdownstre
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Appendix B—Case HistoriesThe caus
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Appendix B—Case HistoriesLessons
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Appendix B—Case Historiesof sever
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Appendix B—Case HistoriesThe down
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Appendix B—Case Historieshose and
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Appendix B—Case HistoriesProject
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Appendix B—Case HistoriesADownstr