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xiii | |
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xxiii | |
Foreword |
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xxvii | |
Acknowledgments |
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xxxi | |
About the authors |
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xxxiii | |
Introduction |
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xxxv | |
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1 An overall introduction to concrete face rockfill dams |
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1 | (10) |
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1.1 A panorama of CFRDs in the world |
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1 | (4) |
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1.2 Important events related to CFRD |
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5 | (1) |
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1.3 CFRD in seismic areas - a historical event |
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6 | (4) |
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1.4 High dams in the near future |
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10 | (1) |
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1.5 Thoughts on very high CFRDs |
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10 | (1) |
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2 Design criteria for CFRDs |
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11 | (28) |
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11 | (1) |
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12 | (11) |
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2.2.1 Foundation excavation and treatment criteria |
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12 | (3) |
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2.2.2 Zoning designations |
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15 | (3) |
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2.2.3 Rockfill grading and quality |
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18 | (2) |
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2.2.4 Adding water to rockfill |
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20 | (1) |
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2.2.5 Downstream rockfill embankment face |
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20 | (1) |
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2.2.6 Temporary construction slopes and ramps |
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21 | (1) |
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2.2.7 Compaction control tests |
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22 | (1) |
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2.3 Water flow through rockfill and leakage |
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23 | (1) |
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24 | (2) |
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2.4.1 Static stability of the rockfill embankment |
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24 | (1) |
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2.4.2 Earthquake considerations |
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24 | (2) |
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2.5 Toe slab or the plinth |
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26 | (3) |
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2.5.1 Treatment of the plinth foundation |
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26 | (1) |
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2.5.2 Dimensions of the plinth |
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26 | (1) |
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2.5.3 Stability of the plinth |
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27 | (1) |
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2.5.4 Layout of the plinth |
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27 | (1) |
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2.5.5 Reinforcing, joints, and anchor bars of the plinth |
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28 | (1) |
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2.5.6 Grouting through toe slab |
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28 | (1) |
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29 | (3) |
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29 | (2) |
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2.6.2 Thickness of face slab |
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31 | (1) |
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2.6.3 Reinforcing the slab |
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31 | (1) |
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32 | (2) |
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2.8 Parapet wall and camber |
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34 | (1) |
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2.9 Other impervious alternatives |
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34 | (1) |
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34 | (1) |
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35 | (1) |
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35 | (1) |
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36 | (1) |
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2.12 An overall conclusion |
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37 | (2) |
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39 | (66) |
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3.1 International nomenclature |
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39 | (1) |
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3.2 Evolution of compacted CFRDs |
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39 | (1) |
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40 | (62) |
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3.3.1 Cethana (Australia, 1971) |
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40 | (1) |
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3.3.2 Alto Anchicaya (Colombia, 1974) |
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41 | (3) |
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3.3.3 Foz do Areia (Brazil, 1980) |
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44 | (2) |
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3.3.4 Aguamilpa (Mexico, 1993) |
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46 | (3) |
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3.3.5 Campos Novos (Brazil, 2006) |
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49 | (3) |
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3.3.6 Shuibuya (China, 2009) |
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52 | (3) |
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3.3.7 Tianshengqiao 1 (China, 1999) |
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55 | (1) |
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3.3.8 Mohale (Lesotho, 2006) |
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56 | (2) |
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3.3.9 Messochora (Greece, 1996) |
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58 | (2) |
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3.3.10 El Cajon (Mexico, 2007) |
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60 | (2) |
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3.3.11 Karahnjukar (Iceland, 2007) |
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62 | (2) |
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3.3.12 Bakun (Malaysia, 2008) |
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64 | (2) |
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3.3.13 Golillas (Colombia, 1978) |
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66 | (2) |
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3.3.14 Segredo (Brazil, 1992) |
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68 | (2) |
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3.3.15 Xingo (Brazil, 1994) |
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70 | (3) |
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3.3.16 Pichi Picun Leufu (Argentina, 1995) |
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73 | (2) |
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3.3.17 Ita (Brazil, 1999) |
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75 | (3) |
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3.3.18 Machadinho (Brazil, 2002) |
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78 | (2) |
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3.3.19 Antamina (Peru, 2002) |
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80 | (2) |
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3.3.20 Itapebi (Brazil, 2003) |
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82 | (4) |
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3.3.21 Quebra-Queixo (Brazil, 2003) |
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86 | (2) |
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3.3.22 Barra Grande (Brazil, 2005) |
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88 | (2) |
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3.3.23 Hengshan (China, 1992) |
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90 | (2) |
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3.3.24 Salvajina (Colombia, 1983) |
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92 | (2) |
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3.3.25 Puclaro (Chile, 2000) |
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94 | (2) |
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3.3.26 Santa Juana (Chile, 1995) |
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96 | (2) |
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3.3.27 Mazar (Ecuador, 2008) |
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98 | (1) |
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3.3.28 Merowe (Sudan, 2008) |
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99 | (3) |
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102 | (3) |
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4 The mechanics of rockfill |
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105 | (34) |
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105 | (3) |
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4.2 Rockfill embankments evolution |
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108 | (3) |
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4.3 The compacted rockfill |
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111 | (4) |
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4.4 Rockfills geomechanic properties |
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115 | (2) |
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4.4.1 Intervenient factors |
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115 | (1) |
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116 | (1) |
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117 | (7) |
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124 | (7) |
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131 | (1) |
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131 | (2) |
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4.9 Rockfills as construction materials |
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133 | (2) |
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4.9.1 Some of rockfills used in ECRDs and CFRDs |
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134 | (1) |
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4.10 Appendix - Machadinho Dam |
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135 | (4) |
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139 | (14) |
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139 | (3) |
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5.2 Safety factors for typical rockfills embankments |
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142 | (3) |
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5.3 Stability in seismic areas |
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145 | (3) |
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5.3.1 Seismic safety factor |
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146 | (2) |
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148 | (1) |
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5.5 Seismic design selection |
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149 | (1) |
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150 | (1) |
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5.7 Permanent deformations |
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151 | (2) |
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6 Seepage through rockfills |
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153 | (38) |
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153 | (1) |
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6.2 Theories on flow through rockfills |
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154 | (8) |
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6.3 Critical aspects for stability |
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162 | (14) |
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162 | (2) |
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6.3.2 Downstream slope stability |
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164 | (3) |
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167 | (6) |
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6.3.4 The effects of anisotropy |
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173 | (2) |
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175 | (1) |
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6.4 Some historical precedents |
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176 | (2) |
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6.5 Leakage measured in CFRDs |
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178 | (6) |
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179 | (2) |
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6.5.2 Finite element analysis |
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181 | (1) |
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6.5.3 Anisotropic effects on CFRDs |
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182 | (1) |
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6.5.4 Flow-related conclusions |
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183 | (1) |
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6.6 Design of CFRDs for throughflow control |
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184 | (2) |
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184 | (1) |
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184 | (1) |
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6.6.3 Deviations from the "ideal rockfill" |
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185 | (1) |
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6.6.4 Practical recommendations |
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186 | (1) |
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186 | (5) |
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191 | (10) |
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191 | (4) |
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195 | (2) |
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7.3 Foundation transitions |
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197 | (1) |
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198 | (1) |
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198 | (1) |
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198 | (1) |
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199 | (2) |
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8 Plinth, slab and joints |
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201 | (24) |
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201 | (5) |
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201 | (1) |
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201 | (2) |
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203 | (1) |
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8.1.4 Plinth-slab connection |
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203 | (1) |
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8.1.5 Features and practices |
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204 | (1) |
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8.1.6 Foundation on deformable structure - Hengshan case |
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204 | (1) |
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205 | (1) |
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8.1.8 Foundation treatment and regularization |
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206 | (1) |
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206 | (13) |
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8.2.1 Slab design concept |
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206 | (1) |
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8.2.2 New impermeability concepts |
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207 | (2) |
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209 | (2) |
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211 | (8) |
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219 | (1) |
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8.4 Crest parapet wall and freeboard |
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219 | (2) |
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8.5 Fissures, cracks, and failures - treatments |
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221 | (3) |
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8.6 Drainage near the plinth |
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224 | (1) |
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225 | (20) |
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225 | (1) |
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9.2 Monitoring parameters |
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226 | (10) |
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226 | (1) |
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9.2.2 Monitoring rockfill displacements |
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227 | (3) |
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230 | (1) |
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230 | (1) |
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231 | (1) |
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9.2.6 Slab deflections and strain X stress control |
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232 | (4) |
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9.2.7 Permanent instrumentation houses |
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236 | (1) |
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9.3 Monitoring and maintenance care |
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236 | (2) |
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238 | (7) |
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245 | (22) |
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245 | (2) |
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247 | (3) |
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10.3 Correlations between settlement, dam height and valley shape |
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250 | (2) |
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10.4 Horizontal displacements |
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252 | (4) |
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256 | (1) |
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257 | (3) |
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10.7 Vertical compressibility modulus (Ev) and transversal modulus (ET) |
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260 | (2) |
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10.8 Tri-dimensional displacements |
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262 | (2) |
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264 | (3) |
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11 Numerical analysis and its applications |
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267 | (30) |
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267 | (1) |
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11.2 Engineering properties of rockfill material |
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268 | (1) |
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11.3 Rockfill material constitutive models |
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269 | (5) |
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11.3.1 Non-linear elastic model |
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270 | (1) |
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11.3.2 Duncan-Chang's hyperbola model |
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271 | (1) |
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11.3.3 Modified Naylor's K-G model |
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272 | (1) |
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11.3.4 Elasto-plastic model |
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272 | (2) |
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11.4 CFRD numerical analyses methods |
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274 | (2) |
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11.4.1 Simulation of surface contact and joints |
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274 | (2) |
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11.4.2 Simulation of construction steps and reservoir impounding sequence |
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276 | (1) |
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11.5 Application of numerical analyses on CFRDs |
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276 | (14) |
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11.5.1 The contribution of the numerical analyses for improving CFRDs designs |
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276 | (1) |
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11.5.2 Understanding the stress-strain status of the dam |
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277 | (1) |
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11.5.3 Understanding the stress status of face slab |
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277 | (1) |
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11.5.4 Predicting the displacement of joints |
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278 | (1) |
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279 | (11) |
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290 | (1) |
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11.7 Numerical analyses applied to Brazilian CFRDs |
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290 | (7) |
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297 | (36) |
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297 | (1) |
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297 | (1) |
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298 | (1) |
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299 | (1) |
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12.4.1 Excavation on sound rock |
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299 | (1) |
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12.4.2 Excavation in weathered rock |
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299 | (1) |
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12.4.3 Excavation in saprolite |
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300 | (1) |
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300 | (1) |
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12.5 Concrete construction |
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300 | (8) |
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302 | (1) |
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302 | (1) |
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12.5.3 Articulated plinth |
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303 | (1) |
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303 | (3) |
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306 | (2) |
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308 | (7) |
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12.6.1 Diversion strategy |
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310 | (1) |
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310 | (1) |
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310 | (3) |
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313 | (2) |
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12.7 Embankment construction |
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315 | (3) |
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315 | (1) |
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316 | (2) |
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318 | (5) |
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318 | (1) |
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318 | (3) |
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321 | (1) |
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12.8.4 Dumping under water |
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321 | (1) |
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12.8.5 Stage construction |
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322 | (1) |
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323 | (9) |
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12.9.1 Surface preparation |
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323 | (1) |
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12.9.2 Conventional slope protection |
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323 | (1) |
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12.9.3 Concrete extruded curb |
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324 | (1) |
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325 | (1) |
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325 | (1) |
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326 | (1) |
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327 | (5) |
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332 | (1) |
References |
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333 | (8) |
Colour plates |
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341 | |