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Saturday, July 18, 2020 | History

2 edition of Deterioration and repair of concrete in the Lower Monumental Navigation Lock Wall found in the catalog.

Deterioration and repair of concrete in the Lower Monumental Navigation Lock Wall

Ernest K. Schrader

Deterioration and repair of concrete in the Lower Monumental Navigation Lock Wall

by Ernest K. Schrader

  • 42 Want to read
  • 16 Currently reading

Published by The Station, Available from National Technical Information Service in Vicksburg, Miss, [Springfield, Va .
Written in English

    Subjects:
  • Concrete dams -- Snake River (Wyo.-Wash.) -- Maintenance and repair.,
  • Locks (Hydraulic engineering) -- Snake River (Wyo.-Wash.) -- Maintenance and repair.

  • Edition Notes

    Statementby Ernest K. Schrader ; prepared for Office, Chief of Engineers, U.S. Army ... under CWIS 31553 ; monitored by Structures Laboratory, U.S. Army Engineer Waterways Experiment Station.
    SeriesMiscellaneous paper -- SL-81-9., Miscellaneous paper (U.S. Army Engineer Waterways Experiment Station) -- SL-81-9.
    ContributionsUnited States. Army. Corps of Engineers. Walla Walla District., Structures Laboratory (U.S.)
    The Physical Object
    Pagination1 v. (various pagings) :
    ID Numbers
    Open LibraryOL16556442M

    The original church was built by Constantine around A.D. and was built over a small shrine considered to be the burial place of the first pope, St. Peter. In desperate need of repair, the church was rebuilt during a year period in the 15th and 16th ://   Italian Trevi Group contracted to repair the dam, whose deterioration has forced the U.S. military to draft a contingency plan for its potential failure. (Reporting By Stephen Kalin; Editing by Toby Chopra) Two dams in Washington state are scheduled for $8 million in navigation lock repairs by the Army Corps of

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      The Upper and Lower St. Anthony Falls locks make possible the navigation of numerous commercial and pleasure vessels over the Mississippi River's only waterfall. Although the project dramatically changed the appearance of the St. Anthony Falls area, it fulfilled a century-old dream to extend river navigation above  › Home › Media › News Stories. This banner text can have markup.. web; books; video; audio; software; images; Toggle navigation


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Deterioration and repair of concrete in the Lower Monumental Navigation Lock Wall by Ernest K. Schrader Download PDF EPUB FB2

"This report discusses surface deterioration and repairs of concrete in the Lower Monumental Lock on the Snake River in Washington. It includes discussion of laboratory studies, testing, construction, and field evaluation of the original concrete and of the various cementitious coatings used for repairs" (p.

i).://metadc Deterioration and repair of concrete in the Lower Monumental Navigation Lock Wall. Vicksburg, Miss.: The Station: [Springfield, Va.: Available from National Technical Information Service, ] Deterioration of navigation lock wall concrete due to freezing and thawing is a serious problem which is usually attributed to the ineffectiveness or lack of a proper air-void system in the concrete.

Most of the affected locks were constructed many years ago before air-entrained concrete began to be widely used.

However, Lower Monumental Lock, one of the largest locks in the world, has only Deterioration and repair of concrete in the Lower Monumental Navigation Lock Wall: final report / By Ernest K.

Schrader, Structures Laboratory (U.S.), Walla Walla. United States. Army. Engineer District and United States. Army. Corps of Engineers. Abstract.

Cover title."Monitored by Structures Laboratory, U.S. Army Engineer Waterways Deterioration of navigation lock wall concrete due to freeze/thaw cycles is a serious problem usually attributed to ineffective or a lack of air entrainment in the concrete.

Most affected structures were made many years ago before air-entrained concrete was widely :// Deterioration and repair of concrete in the Lower Monumental Navigation Lock Wall by Ernest K.

Schrader ; prepared for Office, Chief of Engineers, U.S. Army under CWIS ; monitored by Structures Laboratory, U.S. Army Engineer Waterways Experiment Station (Miscellaneous paper, SL) U.S. Army Engineer Waterways Experiment Station,   Concrete sheet pile wall.

The in-situ concrete cap acts as a waler and distributes the lateral earth loads from the sheet piles into the anchor bars, which may be at 2- to 3-m centres. Download: Download full-size image; Figure Precast concrete sheet pile cross-section (dimensions in millimetres are illustrative).

Deterioration and repair of concrete in the Lower Monumental Navigation Lock Wall by Ernest K. Schrader ; prepared for Office, Chief of Engineers, U.S.

Army under CWIS ; monitored by Structures Laboratory, U.S. Army Engineer Waterways NPS Preservation Brief 15 By William B. Coney, AIA. Historical Overview Causes of Concrete Deterioration Major Sign of Concrete Deterioration Planning for Concrete Preservation Concrete Repair Summary Taking it further "Concrete" is a name applied to any of a number of compositions consisting of sand, gravel, crushed stone, or other coarse material, bound together with various kinds of   CommitteeErosion of Concrete in Hydraulic Structures, Mr.

Tatro has been the primary author of subcommittee reports "Cooling and Insulating Systems for Mass Concrete" and "Effect of Restraint, Volume Change, and Reinforcement on Cracking of Massive Concrete”, and “Deterioration of Concrete in Hydraulic ://   DETERIORATION AND REPAIR OF CONCRETE IN THE LOWER MONUMENTAL NAVIGATION LOCK WALL SECTION I - PROJECT DESCRIPTION Lower Monumental Lock and Dam is a $million ( dollars) project located on the Snake River about 40 miles* from Pasco, WA (Plates 1 and 2).

Initial construction began in and the project was put in operation in Lake Sacajawea the lake formed by the waters behind Ice Harbor Dam, provides depths at slack water of 10 feet or more for a distance of (32) miles to Lower Monumental Dam.

() Lower Monumental Lock and. Dam () miles above Ice Harbor Dam and about 36 () miles above the mouth of the Snake River, has a single lift lock with a ?xml=cp7/. Lock and Dam No. Lock and Dam #1 (L&D#1) is a concrete, steel and timber structure meters (m) wide and 3 m high, with a navigational lock on the left descending bank 12 m wide and 67 m long.

[page 4] Over time, maintenance and operational costs outweighed the economic benefit to the Deterioration and repair of concrete in the Lower Monumental Navigation Lock Wall by Ernest K Schrader (Book) Deterioration of navigation lock wall concrete due to freezing and thawing is a serious problem which is usually attributed to the ineffectiveness or lack of a proper air-void system in the concrete.

Most of the affected locks The objective of cooperation in this field shall be to promote the harmonious development of local and regional OCT air transport networks and the modernization of local fleets of aircraft in line with technical progress, the implementation of the international Civil Aviation Organization air navigation plan, the improvement of reception ?uri=CELEXD At the same time, it’s impossible to take every memory with you in backpacks and bags, unless you plan ahead.

A digital archive (using a cloud-base storage system like Backblaze or Dropbox) can be one step to memorializing copies of treasured photos and can save cassette tapes and CDs as digital MP3 files on a local hard drive that can travel with you as ://   1 thought on “ The West Clare Railway – Part 8 – A Miscellany ” James Murray Aug at am.

Hi, Many thanks for this record of West Clare Railway, as the unfortunate death of driver Patrick O’Neil in was my Grandfather, Its nice to have a record of events and life at the :// The lower section of the Park has a picnic area fronting the end of the pool opposite the falls.

This area has concrete tables, benches and balustrades with squared planters, and provides access to the pool for swimming and boating.

A small island is located ://?id= Named for the “People’s Chamber,” the lower house of parliament in the G.D.R., Volkskammer tries to revive East Germany on a daily basis by cooking up gruel for the odd local with a case of   Vinyl concrete patching compound does not require the use of a bonding agent.

Wide Cracks. Use a small sledgehammer and chisel to undercut the edges of the crack. Undercutting the crack makes it wider at the base than at the surface, providing a mechanical method of "keying" the patch in place for a more secure and permanent ://.

DETERIORATION of LEVEES The Civil War left the levees along the river in disrepair, exacerbated by severe floods in and The flood caused an additional $ million of damage to the levees, estimated that million cu. yd. of fill would be needed to repair the levees flood resulted in the creation of a “Levee~rogersda/levees/Evolution of the Levee System Along the.Foundations on This Old House.

Filed under: Season 40 - The Brookline Mid-century Modern HouseUnlike precast units, in situ concrete is poured in its permanent location (Fig. ) and offers a much more robust constructing a wall, for example, its reinforcing bars are assembled first, then shuttering or formwork erected around them and finally concrete poured into whatever space remains.

Shutters are positioned to line up with a wall's face, so that once concrete has cured