Dams and Control Works, Volume 2U.S. Government Printing Office, 1938 - Dams A description of representative storage and diversion dams and high-pressure reservoir outlet works constructed by the Bureau of Reclamtion. |
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Page 24
The operating floor was located just above the four mixers and approximately
level with the top of the mixer- charging hoppers. Cement batchers were located
directly over these hoppers and discharged into the hoppers at the same time
that ...
The operating floor was located just above the four mixers and approximately
level with the top of the mixer- charging hoppers. Cement batchers were located
directly over these hoppers and discharged into the hoppers at the same time
that ...
Page 29
The rock formation consists of an underlying granite floor which was
subsequently covered by successive lava flows. The gorge was eroded when an
advancing glacier diverted the Columbia River from its natural course to cut a
new outlet at a ...
The rock formation consists of an underlying granite floor which was
subsequently covered by successive lava flows. The gorge was eroded when an
advancing glacier diverted the Columbia River from its natural course to cut a
new outlet at a ...
Page 42
Each mixing plant, constructed of structural steel except the reinforced concrete
supporting columns and mixing floor, is octagonal in plan, having a diameter of
42 feet and a height of 102 feet. The top of the plant is devoted to aggregate and
...
Each mixing plant, constructed of structural steel except the reinforced concrete
supporting columns and mixing floor, is octagonal in plan, having a diameter of
42 feet and a height of 102 feet. The top of the plant is devoted to aggregate and
...
Page 147
The first floor of the building contains the elevator, a loading dock, a small office,
and the intake for the air shaft. The second floor contains the elevator machinery,
transformers for the power supply, blower for ventilating the valve and gate ...
The first floor of the building contains the elevator, a loading dock, a small office,
and the intake for the air shaft. The second floor contains the elevator machinery,
transformers for the power supply, blower for ventilating the valve and gate ...
Page 178
They were operated by hoist cylinders in wells extending to the top of the dam
from an elevation 33 feet above the sluiceway floor. The gates were put into
service while the reservoir water surface was still much less than its maximum;
but ...
They were operated by hoist cylinders in wells extending to the top of the dam
from an elevation 33 feet above the sluiceway floor. The gates were put into
service while the reservoir water surface was still much less than its maximum;
but ...
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abutment aggregate All-American Canal approximately arch average base bottom Boulder Dam built Bureau canal cantilever canyon capacity carried cement centers chamber channel closed completed concrete connected consisted construction contract cooling cost crest cubic yards cut-off depth designed developed diameter discharge diversion downstream drilled earth effects elevation embankment Engineering excavation extending face feet Figure floor flow forms foundation gallery gates gravel gravity grout head height holes horizontal inches installed joints length load located lower material maximum method miles mixing needle valves obtained operating outlet pipe placed plant portion pounds pressure pump radial reinforced removed reservoir river rock roller sand shaft side slope spillway square steel storage stream stresses structure supply surface temperature tests thickness tion tower tunnel Unit upper upstream varying vertical wall wide