Boysen Dam and Powerplant: Constructed 1947-19521957 - Boysen Dam - 266 pages |
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Page
... sandstones and shales Slope protection : Dumped riprap on upstream face ; rockfilled downstream section . Dimensions : Spillway Crest length : 1 , 100 feet Structural height : 150 feet above riverbed maximum Maximum height above ...
... sandstones and shales Slope protection : Dumped riprap on upstream face ; rockfilled downstream section . Dimensions : Spillway Crest length : 1 , 100 feet Structural height : 150 feet above riverbed maximum Maximum height above ...
Page xi
... sandstone cut at station 5622 , Chicago and North Western Railway relocation 174 55 View of diversion tunnel portal with second stop log in place 176 LIST OF FIGURES ( Continued ) Figure Title Page 56 xi Dam foundation 134 Diversion tunnel.
... sandstone cut at station 5622 , Chicago and North Western Railway relocation 174 55 View of diversion tunnel portal with second stop log in place 176 LIST OF FIGURES ( Continued ) Figure Title Page 56 xi Dam foundation 134 Diversion tunnel.
Page 11
... sandstones and shales form the abutments . The diorite is exposed in the lower portions of the abutments , and unconformably overlying it is 110 feet of Flathead sandstone . Overlying that are several hundred feet of Gros Ventre shales ...
... sandstones and shales form the abutments . The diorite is exposed in the lower portions of the abutments , and unconformably overlying it is 110 feet of Flathead sandstone . Overlying that are several hundred feet of Gros Ventre shales ...
Page 12
... sandstone and shaly micaceous clay . The slab rests on a 150 slope and is unsupported either on the lower edge or the sides . The right abutment was the subject of a stability analysis and is discussed in a later section of this report ...
... sandstone and shaly micaceous clay . The slab rests on a 150 slope and is unsupported either on the lower edge or the sides . The right abutment was the subject of a stability analysis and is discussed in a later section of this report ...
Page 13
... sandstone prior to puddling greatly improved the abutment . Stripping it to a 1/2 to 1 slope provided about 20,000 ... sandstones and limestones . The fine - grained portion was derived from the weathered portion of the Gros Ventre ...
... sandstone prior to puddling greatly improved the abutment . Stripping it to a 1/2 to 1 slope provided about 20,000 ... sandstones and limestones . The fine - grained portion was derived from the weathered portion of the Gros Ventre ...
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Common terms and phrases
000 second-feet acre-feet anchor axis backfill Bighorn River Boysen Dam Boysen Powerplant Boysen Reservoir Brass breakers bridge Bronze bulkhead gate channel circuit circuit breakers compressor concrete construction contractor copper crest cubic foot deck designed diorite discharge diversion tunnel downstream draft tube drawing embankment equipment excavation flood foundation gate structure girders Government camp Gray iron Gros Ventre grout grout holes header hoist holes were drilled hydraulic inlet wall installed leaf left abutment load located material maximum normal operating outlet pipe penstock percent pier piezometer pounds per square powerhouse pressure pump radial gates railroad tunnel reinforced relocated reservoir water reservoir water surface right abutment ring RING SEAL riprap river rock roof sandstone SCALE OF FEET seal SECTION SHOSHONI side slope spillway square inch steel stilling basin storage surge tank switchyard tailwater tank Thermopolis transformer trashrack structure turbine unit upstream valve vertical zone