Trenton Dam: Constructed 1949-1953 |
From inside the book
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Page 7
... considered advantageous to excavate the main cutoff trench to the Pierre shale and to terminate the south end of the trench in an auxiliary cutoff trench , excavated to shale and positioned at right angles to the main trench so as to ...
... considered advantageous to excavate the main cutoff trench to the Pierre shale and to terminate the south end of the trench in an auxiliary cutoff trench , excavated to shale and positioned at right angles to the main trench so as to ...
Page 11
... considered . The three most feasible sources were : Franklin , Nebr . , for quartzitic sandstone ; Golden , Colo . , for basalt or granite ; and Guernsey , Wyo . , for dolomite . A study of the freight rates , quality , quantity , and ...
... considered . The three most feasible sources were : Franklin , Nebr . , for quartzitic sandstone ; Golden , Colo . , for basalt or granite ; and Guernsey , Wyo . , for dolomite . A study of the freight rates , quality , quantity , and ...
Page 16
... considered filled at the start of the spill- way design flood . Outflow should not exceed safe channel capacity until the flood control space is filled . " The safe channel capacity has been set at 10,000 c.fs. See Data for ...
... considered filled at the start of the spill- way design flood . Outflow should not exceed safe channel capacity until the flood control space is filled . " The safe channel capacity has been set at 10,000 c.fs. See Data for ...
Page 22
... considered satisfactory zone 2 material . This mate- rial intercepts seepage through the zone 1 embankment material and lowers the satura- tion line at the downstream portion of the embankment . At the lower end of the down- stream toe ...
... considered satisfactory zone 2 material . This mate- rial intercepts seepage through the zone 1 embankment material and lowers the satura- tion line at the downstream portion of the embankment . At the lower end of the down- stream toe ...
Page 23
... considered in selection of freeboard . To allow for settlement of the foundation and consolidation of the embankment without a reduction in freeboard , a camber was provided over the crest length . From a maximum camber of 1.5 feet ...
... considered in selection of freeboard . To allow for settlement of the foundation and consolidation of the embankment without a reduction in freeboard , a camber was provided over the crest length . From a maximum camber of 1.5 feet ...
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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