Record Concrete Box Girder Spans Houston Ship Channel
The Houston Ship Channel Bridge is an American advancement of the cast in place, post-tensioned, segmentally constructed, concrete box girder design. In spite of the complex and unique...

Ductile Iron Pipe for Underwater Service

Evaluating External Pipeline Corrosion

Slurry Pipeline Operations in Cold Regions—Some Aspects

Soil Conditions that Promote Iron Reduction and Subsequent Ochre Clogging in Agricultural Drains

The Influence of Silica on Iron Precipitation

Alkaline Ferrous and Sulfide Reduction of Chromium

Design and Selection Considerations for Concrete Falsework
Modern cast-in-place concrete construction often requires the use of sophisticated falsework systems which carry significant and complex loadings. Since these falsework systems must satisfy...

Bellefonte Primary Containment Structure
Construction of the reactor building primary containment structure at the Bellefonte Nuclear Plant involved several specialized construction techniques. This two unit plant is one of the...

Identity and Character of Iron Precipitates
Engineers have commonly described the iron precipitate in water treatment plants as ferric hydroxide, Fe (OH)3, but have also considered the possibility...

Stable Embedment Depth of Piles in Swelling Clay

A Study of Downdrag on a Cast-in-Place Concrete Pile

Repair of Waterstop Failures
Various methods of repairing failed waterstops or creating new waterstops where the old ones have failed have been examined. The work considered primarily relates to high pressure conditions...

Sedimentation in Iron Gates Reservoir on the Danube
Long-term data over the Danube River discharge and sediment concentration have been available; a correlation between both has been established. A forecast study for the reservoir sedimentation...

Southeast Harbor Fill Project, Seattle, Washington

Concrete Microwave Tower is Award Winner
A microwave tower in Florida was built of cast-in-place concrete instead of steel, because: (1)Concrete was considered more esthetic than steel; and (2)concrete was more resistant than...

World's First Iron Bridge
In 1779, using a new man-made material, skilled English workmen built a single-span bridge of cast iron over a steep river gorge about 140 miles northwest of London. The result was a 424-ton...

Infilled Walls for Earthquake Strengthening
Five one-half scale reinforced concrete frames were constructed and tested under static reversed cycle loads to determine experimentally the effectiveness of infilled walls in strengthening...

Physical Model for Steel Corrosion in Concrete Sea Structures—Theory
A physical-mathematical model is developed for concrete exposed to sea water. The model describes: (1)Diffusion of oxygen, chloride ions, and pore water through the concrete cover of reinforcement;...

Feasibility of Wastewater Treatment with Ferrate
Iron (VI) ferrate, (FeO4²-), has been reported to have the potential to act as a coagulant and also a disinfectant...

 

 

 

 

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