Schuster R.L. Interaction of dams and landslides - case studies and mitigation (Reston, 2006). - ОГЛАВЛЕНИЕ / CONTENTS
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ОбложкаSchuster R.L. Interaction of dams and landslides - case studies and mitigation. - Reston: U.S. Geological Survey, 2006. - v, 107 p.: ill. (some col.). - (Professional paper; 1723). - Ref.: p. 33-49. - ISBN 141131166-3
 

Оглавление / Contents
 
Abstract ........................................................ 1
Introduction .................................................... 1
   Background ................................................... 1
   Presentation of Data ......................................... 2
   Sources of Information ....................................... 3
   Summary of Data .............................................. 3
Selected Case Histories of Dams on Landslides (by Landslide
Type) ........................................................... 4
   Rock Fall (Including Talus Deposits) ......................... 4
   Slides in Competent Rock ..................................... 6
   Slides in Incompetent rock .................................. 13
   Massive Rock Slides and Glide Blocks ........................ 13
   Earth and Debris Slides ..................................... 15
   Rock and Debris Avalanches .................................. 16
   Debris, Mud, and Earth Flows ................................ 17
   Cambering and Valley Bulging ................................ 22
Problems Encountered Due to Interaction Between Dams and 
Landslides ..................................................... 22
   Abutment and Foundation Instability ......................... 22
   Abutment and Foundation Seepage ............................. 24
Mitigative Measures ............................................ 25
   Planning Measures ........................................... 25
      Avoidance of Landslides .................................. 25
         Relocation of Site .................................... 25
         Site Abandonment ...................................... 27
      Redesign of Dams Because of Landslide Problems ........... 27
      Lowering Reservoir Level or Reducing Rate of Filling ..... 28
Physical Measures for Foundation and Abutment Stabilization .... 28
   Removal of Landslide Deposits ............................... 28
      Total Removal of Landslide ............................... 28
      Partial Removal of Landslide ............................. 28
      Partial Removal of Talus Cover ........................... 29
      Partial Removal of Landslide Deposit Following 
      Construction or Postconstruction Slope Failure ........... 29
   Flattening Abutment Slopes .................................. 29
   Earthfill or Rockfill Berms Serving as Buttresses ........... 29
   Dam Serving as Buttress ..................................... 30
   Cutoffs or Keys ............................................. 30
   Retaining Walls ............................................. 30
   Piles and Caissons .......................................... 30
   Anchors ..................................................... 30
   Moving or Reinforcing Spillway .............................. 30
   Guniting .................................................... 31
   Dental Work ................................................. 31
Physical Measures for Reducing Abutment and Foundation
Seepage ........................................................ 31
   Impervious Cutoffs .......................................... 31
   Impervious Curtains, Membranes, and Blankets ................ 31
   Drainage Systems ............................................ 32
   Multiple Mitigation Methods ................................. 32
   Breaching as a Remedy ....................................... 32
Summary and Conclusions ........................................ 33
Acknowledgments ................................................ 33
References Cited ............................................... 33
Appendix ....................................................... 51

Figures
1.  Original sketch map and cross section showing landslide 
    conditions at Farmers Union (now Rio Grande) Dam,
    southwestern Colorado, United States ........................ 2
2.  Photograph of Mammoth Pool Dam, San Joaquin River, 
    California, United States ................................... 5
3.  Cross section through the narrow gorge in the foundation
    of Waterbury Dam, Little River, Vermont, United States ...... 5
4.  Views before and after construction of Taylor Park Dam, 
    central Colorado, United States ............................. 6
5.  Gross Dam, Colorado, United States .......................... 7
6.  Gravity-slip surfaces in granitic foundation rocks at
    Gross Dam, Colorado Front Range, United States .............. 7
7.  Photograph looking upstream at the remains of St. Francis
    Dam, southern California, United States ..................... 8
8.  Cross section through the 1928 left-abutment landslide at
    St. Francis Dam, California, United States .................. 8
9.  Cross section through the pre-existing rock slide that
    forms the left abutment of Beauregard Dam, northwestern 
    Italy ....................................................... 8
10. Simplified cross-valley cross section through Dalešice 
    Dam, Jihlava River, Czech Republic .......................... 9
11. Oblique view of Tablachaca Dam, Peru ....................... 10
12. Photograph looking upstream at the right-abutment 
    landslide at Tablachaca Dam, Peru .......................... 10
13. Map of rock slide at the right abutment of Tablachaca
    Dam, Peru .................................................. 10
14. Photograph of Lake Harriet Dam, Cascade Range, Oregon,
    United States .............................................. 10
15. Major Holocene landslide deposits in the Columbia River 
    Gorge, Washington and Oregon, United States ................ 11
16. Oblique aerial view of Bonneville Dam in the Columbia 
    River Gorge, Washington and Oregon, United States .......... 12
17. Map of the Cascades landslide complex and its components, 
    United States .............................................. 12
18. Simplified cross section through the rock slide in schist
    that forms the right abutment of Durlassboden Dam,
    Austria .................................................... 12
19. Photograph of Fruitgrowers Dam, western Colorado, United 
    States ..................................................... 13
20. Locations of 18 dams on landslide bench and slump-block 
    landslides derived from the basalt plateau of the Grand 
    Mesa, western Colorado, United States ...................... 14
21. Photograph of Grand Coulee Dam, eastern Washington State,
    United States .............................................. 15
22. Cross section through the Parangana Dam site, Victoria, 
    Australia .................................................. 16
23. Oblique aerial view of Cheakamus Dam, British Columbia, 
    southwestern Canada ........................................ 17
24. Cross section through the site of Cheakamus Dam, British 
    Columbia, southwestern Canada .............................. 17
25. Aerial-oblique view of Mud Mountain Dam, western 
    Washington State, United States ............................ 18
26. Cross section through the site of Mud Mountain Dam,
    Washington State, United States ............................ 18
27. Aerial view of Swift Dam, Lewis River, western Washington
    State, United States ....................................... 18
28. Geologic map of the area around Swift Dam, Washington 
    State, United States ....................................... 19
29. Geologic map of the area around Yale Dam and Yale Saddle 
    Dam, Washington State, United States ....................... 20
30. Sketch of the earthfill sediment-retention dam on 
    the North Fork Toutle River, southwestern Washington 
    State, United States ....................................... 21
31. Photograph of Medeo Dam, a debris-flow retention
    structure on the Malaya Alma-Atinka River, Kazakhstan ...... 21
32. Photograph of construction of a cellular reinforced-
    concrete debris-retention dam on the Bolshaya Alma-Atinka
    River, Kazakhstan .......................................... 21
33. Cross section through B.F. Sisk (San Luis) Dam,
    California, United States .................................. 23
34. Photograph of Cheurfas Dam ................................. 23
35. Photograph of Star Mountain Dam, southeast Oregon, United
    States ..................................................... 24
36. Oblique-aerial view of Ochoco Dam, central Oregon, United
    States ..................................................... 24
37. Cross section through the site of Howard Hanson Dam,
    western Washington State, United States .................... 25
38. Photograph of Scott Dam on the Eel River, northern 
    California, United States .................................. 26
39. Cross section through a narrowed section of the Romanche 
    River valley, France ....................................... 27
40. Oblique view of the left end of Mojave River Dam ........... 29
41. Photograph of the remains of Mystic Lake Dam, 
    southwestern Montana, United States ........................ 32

Tables
Appendix Table A. Dam characteristics, relation to 
                  landslides, mitigative measures, and cited
                  references ................................... 51


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