Platoro Dam: Constructed 1949-19511954 - Dams - 71 pages |
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Page v
... stages of construction 47 23. Completed embankment viewed from same point as preceding photograph 47 24. Placing zone 2 and zone 4 material in the upstream part of the river section 49 25. Loading zone 1 material in a pothole downstream ...
... stages of construction 47 23. Completed embankment viewed from same point as preceding photograph 47 24. Placing zone 2 and zone 4 material in the upstream part of the river section 49 25. Loading zone 1 material in a pothole downstream ...
Page vii
... stages in its history . The basic pre - Cambrian complex of igneous and metamorphic rocks was covered with great thicknesses of Paleozoic and Mesozoic sedi- ments consisting of limestone , sandstones , and shales . At the end of the ...
... stages in its history . The basic pre - Cambrian complex of igneous and metamorphic rocks was covered with great thicknesses of Paleozoic and Mesozoic sedi- ments consisting of limestone , sandstones , and shales . At the end of the ...
Page 10
... stage , steady state with full reservoir , and rapid drawdown . However , during the initial embankment construction season , the borrow area was found to contain moisture in excess of the upper limit of the desirable placement range ...
... stage , steady state with full reservoir , and rapid drawdown . However , during the initial embankment construction season , the borrow area was found to contain moisture in excess of the upper limit of the desirable placement range ...
Page 13
... stages of outlet tunnel completion were considered for diversion , and flood routings were made to determine the required height of the cofferdam for each stage . It was not expected that the outlet gate and outlet pipe would be ...
... stages of outlet tunnel completion were considered for diversion , and flood routings were made to determine the required height of the cofferdam for each stage . It was not expected that the outlet gate and outlet pipe would be ...
Page 18
... stage " concrete . However , the gates were available and were installed in the first - stage construction . 21. Hydraulic Design of Outlet Works . Several schemes , trials , and computations were made to arrive at the outlet works ...
... stage " concrete . However , the gates were available and were installed in the first - stage construction . 21. Hydraulic Design of Outlet Works . Several schemes , trials , and computations were made to arrive at the outlet works ...
Common terms and phrases
5-Foot High-Pressure acre-feet andesite Bolt bulldozed butterfly valves channel cofferdam completed conduit Conejos River contract cost cubic feet cubic yards cutoff trench dam and dike dam embankment dam foundation Denver dike section discharge drain emergency gate end-dump trucks engineer equipment excavation fault feet per second Figure fill zone flange flow fractured gate chamber Government camp grout cap Grout holes haul high-pressure gate impervious material inches inlet installation joints July Aug Sept June 21 laboratory leaf-Class left abutment load located main dam maximum Metal metalwork mixer moisture Order for changes outlet pipe outlet tunnel PARTIAL RUNOFF percent placed placement plates Platoro Dam pumpcrete machine reservoir right abutment Rio Grande Compact RIO GRANDE COUNTY riprap ROCK BORROW AREA rockfill SAN LUIS VALLEY separation plant SLIDE ROCK BORROW specifications spillway bridge steel pipe support rings talus tests trashrack structure unit valve house zone 1 material
Popular passages
Page 18 - ... PARTS 151. Character of Structure.— The structure is to be of the skeleton, curtain-beam type, resting on I-beam footings or grillages. The building is to be (18) stories high, with a basement story and a (flat) (mansard) (pointed) (hipped) roof. 152. Floor Loading.— The floors are to be calculated for a live load of (100) pounds per square foot, and a dead load of (50) pounds per square foot. The roof is to be calculated for a live load of (50) pounds per square foot, and a dead load of...
Page 22 - Specifications for Low and Intermediate Tensile Strength Carbon-Steel Plates of Flange and Firebox Qualities (Plates 2 in. and Under in Thickness) (ASTM Designation: A 285),' or Tentative Specifications for Low and Intermediate Tensile Strength Carbon-Steel Plates of Structural Quality (Plates 2 in.
Page 22 - Standard Specifications for FORGED- OR ROLLED-STEEL PIPE FLANGES, FORGED FITTINGS, AND VALVES AND PARTS FOR HIGH-TEMPERATURE SERVICE...