Trenton Dam: Constructed 1949-1953 |
From inside the book
Page v
... layer of crushed rock blanket 64 31 Panels for forming spillway wall sections 68 33333 32 Form for the 5.5 - foot circular conduit being assembled 68 View from top of mixing plant showing aggregate un- loading hopper , aggregate ...
... layer of crushed rock blanket 64 31 Panels for forming spillway wall sections 68 33333 32 Form for the 5.5 - foot circular conduit being assembled 68 View from top of mixing plant showing aggregate un- loading hopper , aggregate ...
Page 1
... layer of the region . The loess encountered at both abutments is composed primarily of fine , loosely cemented , angular grains of fine sand admixed with calcareous particles and small amounts of clay and organic materials . It has low ...
... layer of the region . The loess encountered at both abutments is composed primarily of fine , loosely cemented , angular grains of fine sand admixed with calcareous particles and small amounts of clay and organic materials . It has low ...
Page 5
... layered and entwined by crossbedding . As studies of the dam foundation pro- gressed , it became obvious that some type of impervious cutoff would have to be incor- porated in the dam structure to control seepage . The Pierre shale ...
... layered and entwined by crossbedding . As studies of the dam foundation pro- gressed , it became obvious that some type of impervious cutoff would have to be incor- porated in the dam structure to control seepage . The Pierre shale ...
Page 7
... 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 determined by gravity tests at ...
... 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 determined by gravity tests at ...
Page 11
... layers of sand , silt , and sand containing excess silt . A relatively homogeneous material could be obtained by controlling the depth of cuts in the borrow area . Laboratory tests of the silty sand indicated maximum densities ranging ...
... layers of sand , silt , and sand containing excess silt . A relatively homogeneous material could be obtained by controlling the depth of cuts in the borrow area . Laboratory tests of the silty sand indicated maximum densities ranging ...
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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