Short Aggregate Piers Defeat Poor Soils
A short aggregate pier system, developed to provide an economical alternative to the overexcavation/replacement technique, has been used used since 1988 to control settlement of structures...

Protecting a Pipeline
A 30-inch oil pipeline, presently under construction through mountainous terrain in central Colombia, transports petroleum from the Cusiana oil field to the coast. The discovery of the...

DSM Saves the Dam
The Miami Conservancy District built five flood control dams after the catastrophic flood of 1913 in Dayton, Ohio. Lockington Dam was one of these five hydraulic fill structures. The Ohio...

Dredging '94
During the past decade, the discipline of dredging has been challenged in the areas of economics, the environment, and management of dredging projects. Dredging has kept pace with its...

Alternative Habitat Concepts for the First Lunar Outpost
The First Lunar Outpost (FLO) Study was a NASA-wide effort to define systems for a near-term, low cost return to the Moon. The FLO habitat must support four crew on the lunar surface for...

Standard Practice for Concrete for Civil Works Structures
Technical Engineering and Design Guides, as adapted from the U.S. Army Corps of Engineers, No. 8 This manual provides guidance for the investigation...

Materials for Tomorrow's Infrastructure
A Ten Year Plan for Deploying High Performance Construction Materials and Systems (Executive Report)
Prepared by the Civil Engineering Research Foundation. This executive report presents a high-level, policy-oriented summary of the High-Performance...

Materials for Tomorrow's Infrastructure
A Ten Year Plan for Deploying High Performance Construction Materials and Systems (Technical Report)
Prepared by the Civil Engineering Research Foundation. This report presents a detailed program to transform our nation's infrastructure....

Bridge to the Future
The experimental Roize Bridge, near Grenoble, France, features an innovative composite space truss and unique modular construction methods for efficiency and economy. The Roize Bridge...

Probing the Port of Los Angeles
Geotechnical investigations can uncover nasty surprises. When conducted after the preliminary design, the results can force significant and costly changes or�even worse�lengthy delays....

Questioning Composites
Steel, concrete and timber are, of course, the most commonly used construction materials. Composites, or fiber reinforced plastics, have been used in specialty applications in construction...

Specifications for Masonry Structures (ACI 530.1-92/ ASCE 6-92/TMS 602-92)
Specifications for Masonry Structures (ACE 530.1-92/ASCE 6-92/TMS 602-92) is a joint effort of the American Concrete Institute, the American Society of Civil Engineers, and The Masonry...

Deliverance
Through the years, the low-bid has been the traditional contracting method for American public sector construction. Increasingly, a number of government agencies are experimenting with...

Machine-Friendly Facility
Cargo facility automation makes more efficient use of space, reduces labor and speeds operations. These are critical factors at New York's John F. Kennedy International Airport�currently...

The French Composite: A Bridge for Normandy
Aside from its record breaking 856 m span, the most important fact about France's 2,141 m Pont de Normandie�the Normandy Bridge�is that it is being built at all. The bridge...

Taming the Urban Underground
When designing and installing excavation support systems at a city construction site, be prepared to deal with the urban jungle. Tunnels and utility cables and pipes clog the underground,...

Recycling on the Mississippi
Changes in the Mississippi River's water depth and alignment are forcing the retirement of the 105-year-old Hannibal, Mo. swing bridge. Although the bridge's...

High-Grade Concrete for the Single Permanent Shotcrete Lining Method
With the single permanent shotcrete lining method in underground construction in rock, a shotcrete layer placed subsequently to the application of the supporting shotcrete replaces the...

Active Tunnel Design?A New Concept for Predesign, Contractual Lay-out and Construction Management
Active tunnel Design is a new concept for design, layout of specification and contract, and for construction management of tunnels and underground carverns. Investigations yeild more information...

Practical Considerations on the Use of Additives for Shotcrete
Shotcrete is mostly used today for securing rock: in this capacity, it has solved many problems and has become a necessary aid. However, thedegree of utilization of the method is still...

 

 

 

 

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