Salvaged Sand
Waste foundry sand has been rediscovered as a road construction material now that environmental concerns about its use have been laid to rest. Certain types of waste foundry sand, a by-product...

Rerouting Boston's Utilities
During construction of the Central Artery/Tunnel project in downtown Boston, engineers had to move utility lines over and under both new and existing infrastructure and maintain utility...

Florida's Big Bellies
FPL designed and installed double reverse tapered poles, affectionately called big belly because the width gradually increases toward the middle and narrows at both ends. The poles replace...

Stabilizing the Stacks
Spenser White and Prentis designed a hybrid soil nailing system to ensure that a historic library on the Bryn Mawr, Pennsylvania, campus would not be damaged during adjacent construction...

Grouting to Great Depths
Logan Martin dam on the Coosa River in Alabama has been plagued by underseepage since its construction in 1964. The karst forming the dam's foundation allows water to flow...

Chemical Grouting
Technical Engineering and Design Guide, as adapted from U.S. Army Corps of Engineers, No. 24. This manual provides information and guidance for the...

Composite Construction in Steel and Concrete III
In Irsee, Germany an international conference on composite construction was held from June 9-14, 1996. It provided a forum for researchers and practitioners involved with composite construction...

Journal of Composites for Construction
The Journal of Composites for Construction publishes original research papers, review papers, and case studies dealing with the use of fiber-reinforced composite materials in construction. Of special interest...

Guy Anchors and Foundations
This section describes typical types of guy anchors that are commonly used today. It is not the intention of this guide to provide direction for the design of the anchor or foundation...

Construction and Maintenance
The purpose of this section is to identify construction and maintenance practices that are necessary in order to ensure that the final installation of the guyed structure adheres to the...

Turnback Project Moves Ahead
The $202 million Muni Metro Turnback (MMT) Project, scheduled for completion in September 1996, includes an 840 ft section consisting of twin steel-lined tunnels that connects to the Embarcadero...

Anatomy of a Wetland
The U.S. Army Corps of Engineers, which administers Section 404 of the Clean Water Act, requires replacement of wetlands impacted by construction. A constructed wetland in Georgia demonstrates...

Construction Through Crude Oil
When the Hilltop Interceptor project in Cleveland confronted oil-saturated sandstone, designers had to rethink their shaft construction and support procedures. Among the hazards were volatile...

Catching Up on Composites
Until recently, Japan and Germany were way ahead of the U.S. in composite material technology for construction. Lighter, stronger and possibly more durable than conventional materials...

Lining the Line
Having succeeded in achieving dry stations and tunnels in mined construction, flexible waterproofing membranes are now being used to waterproof cut-and-cover subway stations and old, leaking...

Accessing Atlantic City
Construction of the 2.2 million sq ft Atlantic City Convention Center is well under way. With 486,000 sq ft of exhibition space, the center and accompanying rail terminal could help restore...

Capital Facelift Takes Flight
Since 1988, one of the largest and most complex airport renovation projects in U.S. aviation history has been under way in Washington, D.C. Known as the Capital Development Program, the...

Bridge Over the River Karnali
Just as topping Nepal's Mount Everest requires great stamina from mountain climbers, building the Karnali River Bridge in a remote region of western Nepal required six years...

Start the Presses!
Turning an existing bleach manufacturing facility into a printing plant required careful structural design to support a wide range of production processes. The new Daily News facility...

Worth the Risk?
The construction process is fraught with uncertainties, but integrated, proactive risk assessment and risk management methods can help owners, engineers and contractors make better, informed...

 

 

 

 

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