Trenton Dam: Constructed 1949-1953 |
From inside the book
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Page iii
... Sand ( b ) Coarse aggregate ( c ) Cement 5565 66 C. Concrete 66 66 66 67 67 69 69 71 71 74 74 74 51 . Reinforcement steel 52 . Forms 53 . 54 . 55 . 56 . 57 . Batching and mixing Control Placement ( a ) Cold weather operations Curing ...
... Sand ( b ) Coarse aggregate ( c ) Cement 5565 66 C. Concrete 66 66 66 67 67 69 69 71 71 74 74 74 51 . Reinforcement steel 52 . Forms 53 . 54 . 55 . 56 . 57 . Batching and mixing Control Placement ( a ) Cold weather operations Curing ...
Page 1
... sands and on the valley abutments by Ogallala sand and gravel deposits . These deposits at both abutments are capped by a Loveland loess strata about 15 feet thick which is overlain by Peoria loess that forms the upper and surface layer ...
... sands and on the valley abutments by Ogallala sand and gravel deposits . These deposits at both abutments are capped by a Loveland loess strata about 15 feet thick which is overlain by Peoria loess that forms the upper and surface layer ...
Page 4
... 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 Loess Fine sandy silt ...
... 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 Loess Fine sandy silt ...
Page 5
... sand . The material for the most part is poorly graded ; the fine and worn fractions exist in separate beds which are often layered and entwined by crossbedding . As studies of the dam foundation pro- gressed , it became obvious that ...
... sand . The material for the most part is poorly graded ; the fine and worn fractions exist in separate beds which are often layered and entwined by crossbedding . As studies of the dam foundation pro- gressed , it became obvious that ...
Page 7
... 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 determined by gravity tests at different depths in several ...
... 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 determined by gravity tests at different depths in several ...
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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