Trenton Dam: Constructed 1949-1953 |
From inside the book
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Page i
... Abutment structure 17 . Gate and bridge supporting structure ( a ) Design considerations ( b ) Reinforcement design 18 . Chute and stilling basin 19 . 20 . 21 . 22 . 23 . 24 . ( a ) Floors ( b ) Walls ( c ) Drains 42- by 30 - foot ...
... Abutment structure 17 . Gate and bridge supporting structure ( a ) Design considerations ( b ) Reinforcement design 18 . Chute and stilling basin 19 . 20 . 21 . 22 . 23 . 24 . ( a ) Floors ( b ) Walls ( c ) Drains 42- by 30 - foot ...
Page iv
... abutment sections 28 13 Spillway gate structure -- Crest , pier and bridge details 30 14 General installation of 42- by 30 - foot radial gate for spillway 35 15 Spillway radial gate hoist assembly 36 16 Spillway gate structure -- River ...
... abutment sections 28 13 Spillway gate structure -- Crest , pier and bridge details 30 14 General installation of 42- by 30 - foot radial gate for spillway 35 15 Spillway radial gate hoist assembly 36 16 Spillway gate structure -- River ...
Page 1
... abutment , protects the structure from possible flood damage . A river outlet is provided through the spillway structure for river regulation . At the opposite end of the dam another outlet works is provided to meet irrigation re ...
... abutment , protects the structure from possible flood damage . A river outlet is provided through the spillway structure for river regulation . At the opposite end of the dam another outlet works is provided to meet irrigation re ...
Page 4
... Abutment 2720 Silty sand Ogallala sediments Clean sand- Partially cemented B2700 2640 100 90 80 70 Alluvium to 60 STATIONS End of Cutoff Trench- Loess with alluvial silt and fine sand Pierre shale 50 40 30 20 GEOLOGICAL SECTION DAM ...
... Abutment 2720 Silty sand Ogallala sediments Clean sand- Partially cemented B2700 2640 100 90 80 70 Alluvium to 60 STATIONS End of Cutoff Trench- Loess with alluvial silt and fine sand Pierre shale 50 40 30 20 GEOLOGICAL SECTION DAM ...
Page 7
... abutment . A 10- to 20 - foot layer of partially cemented sand , covered by a thicker layer of loess , was exposed on the more abrupt river valley slopes of the right abutment . Permeability of the alluvium in the dam foundation was ...
... abutment . A 10- to 20 - foot layer of partially cemented sand , covered by a thicker layer of loess , was exposed on the more abrupt river valley slopes of the right abutment . Permeability of the alluvium in the dam foundation was ...
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Common terms and phrases
accessory cut-off trench acre-feet Approach channel Axis backfill Berm blanket Blockout BUREAU OF RECLAMATION canal outlet centerline channel capacity coarse concrete conduit construction Contraction joint Counterweight crushed rock cutoff trench dam embankment designed discharge drain outlet emergency gate chamber Expansion joint Figure Float flood control floor gate structure gravel ground surface Grouted high-pressure gate Highway bridge holes horizontal hydraulic hydrostatic head inlet installed intake structure Limits of special load located loess material maximum Metal Nebr NORTH BORROW AREA Pierre shale piezometer Pipe handrail PROJ Radial gate railroad reinforcement relocation Republican River reservoir water surface riprap River outlet Rolled embankment SCALE OF FEET second-feet SECTION A-A Settlement point Shale surface Sheet SILT silty slope special compaction spillway crest spillway gates spillway structure steel stilling basin Stoplog storage Sump Sump pump surface at elevation surfaces where directed Trashrack structure Trenton Dam upstream vertical walls water surface elevation