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Mountain Dell Dam, Parley's Canyon, Northwest side of I-80, West of State Route 39, Salt Lake City, Salt Lake County, UT

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Mountain Dell Dam, Parley's Canyon, Northwest side of I-80, West of State Route 39, Salt Lake City, Salt Lake County, UT

description

Summary

Significance: Mountain Dell Dam is an early application of multiple-arch reinforced-concrete construction to dam engineering. The design developed by John S. Eastwood consisted of a series of arches set at an angle and so buttressed that increased loads served to increase the stability. Developed specifically for unstable bedrock conditions, the plan eliminated upward pressure, resisted overturning or sliding on its base, and offered ready facilities for inspection. One of nineteen multiple arch dams designed by Eastwood and built throughout the world, Mountain Dell represents a successful solution to a difficult and potentially dangerous engineering problem.
Survey number: HAER UT-16
Building/structure dates: 1916- 1917 Initial Construction
Building/structure dates: 1924-1925 Subsequent Work
Building/structure dates: ca. 1969 Subsequent Work
Building/structure dates: ca. 1939 Subsequent Work
National Register of Historic Places NRIS Number: 80003930

date_range

Date

1969
person

Contributors

Historic American Engineering Record, creator
Eastwood, John S
Cannon, Sylvester Q
Parrott Brothers Company
place

Location

salt lake city40.77002, -111.88836
Google Map of 40.7700207, -111.8883566
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Source

Library of Congress
copyright

Copyright info

No known restrictions on images made by the U.S. Government; images copied from other sources may be restricted. http://www.loc.gov/rr/print/res/114_habs.html

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