Single-Shell Shotcrete Method
On a 60-m-long test stretch in the course of the construction of the Munich Subway the single-shell jointless shotcrete method was employed. In this case the standard cross section of...

Modelling Gas Migration Experiments in Repository
In response to concerns over the possibility of hydrogen gas generation within an underground repository for high-level radioactive waste, and its implications for repository safety, a...

Modeling Storage Behavior in a Fractured Rock Mass
To represent single bore hole injection tests in fractured rock masses, a transient model has been implemented, based on a three dimensional stochastic description of the fracture network....

The Building Code Desktop for Engineers®
Joint work in progress by John A. Martin and Associates and International Conference of Building Officials to develop an electronic building code information system is presented. This...

Nonlinear Trial Load Method of Arch Dams
The trial load method is still an important method for the stress analysis of arch dams at present. However, the trial load method can be used only for the linear elastic analysis of arch...

The Denver Airport: Managing a Megaproject
If the 53 sq mi, $2.7 billion Denver International Airport seems daunting in size, imagine trying to manage its construction. Supported by over 100 firms, the five year-long project is...

Using Condition Indexes to Evaluate Local Railroad Track Networks
The U.S. Army Construction Engineering Laboratories (USACERL) have developed condition indexes for assessing track condition that apply to local railroads. Indexes were developed for the...

Inspection and M&R Decisions for Infrastructure
This paper reviews different possible mathematical formulations for a joint inspection and M&R decision-making model, having various levels of restriction and computational complexity....

The Protection of the Wadden Sea in an International Perspective: Planning, Protection, and Management of the Wadden Sea
This paper describes the state of the protection, conservation and management of the Wadden Sea by the three countries, Denmark, Germany and the Netherlands in the framework of their joint...

The French and Belgian Coast from Dunkirk to De Panne: A Case Study of Transborder Cooperation in the Framework of the Interreg Initiative of the European Community
The North Sea coast between the French town of Dunkirk and the Belgian sea resort of De Panne consists of sandy beaches bordered by dunes. A number of smaller sea resorts lie between these...

Scour Retrofit Case Studies for Arizona
Scour retrofit involves a coordinated analysis and joint determination of action by several engineering disciplines: typically, geotechnical, hydraulic and structural engineering. The...

Semi-Rigid Joint Action in Composite Frames: Numerical Analysis and Design Criteria
The paper focusses on the analysis of semi-rigid composite frames, reporting mainly on the results of a research study which combines the experimental and theoretical approaches. Attention...

Investigation of Corners and Joints Applied to a Steel-Concrete Composite Caisson
We have developed a caisson composed of steel-concrete composite slabs and steel structures, which we call a `Hybrid Caisson.' We studied the structural principles and usability of the...

Joint Outfall H Relief Trunk Sewer System
The Joint Outfall 'H' Relief Trunk Sewer System consists of the construction of 11.3 kilometers (7 miles) of polyvinyl chloride lined reinforced concrete pipe varying in diameter from...

Microtunneling of Vitrified Clay Pipe in the United States
Vitrified clay pipe (VCP) has been used for centuries to convey waste water away for cities. In Europe and Japan, VCP has been used in the microtunnelling process for longer than 10 years....

Development Options and Opportunities

Portland Cement Concrete Apron Pavement Design Study for King Fahd International Airport in Saudi Arabia
The Federal Aviation Administration (FAA) Advisory Circular 150/5320-6C used for design of portland cement concrete (PCC) pavements for airports does not account for the site-specific...

North Ramp Pavement Evaluation/Rehabilitation—Houston Intercontinental Airport
The North Ramp at Houston's Intercontinental Airport is approximately 23 years old and serves Terminals A and B and also serves as a primary taxiway. Prior to having the new international...

South Africa at the Crossroads
With the provisional decision to hold its first democratic elections in 1944, South Africa has reached the most crucial moment in its history, one on which its economic and social development...

The Bechtel Edge
The Bechtel Group can commit personnel all over the world to seek out and scrutinize business opportunities, and the firm is usually at the top of Engineering News-Record's...

 

 

 

 

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