Downtown To DFW
The new 27.2 mi long TEXRail commuter rail line facilitates travel between downtown Fort Worth, Texas, and the busy Dallas/Fort Worth International Airport. Challenges to be overcome during the project...

Beneath The Surface
Investigations related to subsurface utility engineering (SUE) traditionally have been used on linear infrastructure projects to provide detailed utility information within the public right-of-way. As...

The Present And Future Of Virtual and Augmented Reality In Geotechnical Engineering: This Technology Has Gone Way Beyond Gaming!
One of the greatest challenges with subsurface construction has always been our relative inability to visualize underground conditions that are often comprised of spatially variable soil and rock strata,...

Under-Slab Utility Installation with Aggregate Piers: It's All About Planning
Aggregate pier ground improvement is commonly used in North America to support buildings. The technology has expanded in the last decade thanks to refinement and introduction of new techniques, more rigorous...

Storage for One More Century
Since its completion more than a century ago by a previous owner, Denver Water's Antero Dam has experienced seepage problems, forcing the utility to limit the storage capacity of the associated reservoir....

Lightweight Alternatives for Embankments on Soft Ground: A Focus on Railway Systems
Lightweight material for civil engineering application is primarily used for accelerated roadway and bridge approach construction, settlement mitigation, utility and tunnel abandonment, reduction of static...

The New Lightweight Contender: Ultra-lightweight Foamed Glass Aggregate Finds the U.S. Market
Geotechnical engineers are often confronted with sites where the existing soil is prone to settlement or where there are subsurface utilities sensitive to additional load. If relocation or realignment...

Borehole Geophysics: Tools to Characterize Rock Properties
Effective design and construction in rock requires characterization of the engineering properties of the rock mass, as well as any associated geological features such as joints, faults, and bedding planes....

Whose "Fault" Is This? Overcoming Faulting and Ancient Landslides in a Dam Abutment
The Calaveras Dam Replacement Project (CDRP) is the largest project in the San Francisco Public Utilities Commission's (SFPUC) $4.8 billion, multi-year Water System Improvement Program (WSIP). The program...

Microtunneling Design Elements
The design elements and the process for a microtunneling project are generally the same as for other underground projects. Design elements include the following: General conditions; Special...

Enhanced Detection and Mapping of Buried Utilities—A Sustainability Perspective
The social and environmental impacts and benefits of projects make up the triple bottom line that represents a modern view of sustainable project development. Rather than considering only...

Water Utilities Recognizing and Adapting to a 2050 Climate

Accuracy Assessment of the National Geodetic Survey's OPUS-RS Utility

Construction Speed and Existing Utilities

Firepower
The processes put in place by water utilities are designed with the quality of water normally received for treatment in mind. But the runoff from areas ravaged by fire can degrade that...

Loading Requirements for FRP Poles Utilized in other than Utility Line Applications

Safeguarding Water Utilities
Immediately after the September 11 terrorist attacks, many water and wastewater utilities adopted or expanded security measures. Now with many systems conducting or planning to conduct...

A Dam for a Dam
The General Electric (GE) Dam in Minneapolis, Minnesota, was more than a century old when it began leaking excessively in December 1998. Operations staff for the dam owner—the Minneapolis-based...

Update of ASCE Manuals and Reports on Engineering Practice No.74 Guidelines for Electrical Transmission Line Structural Loads
For many months there has been doubt that the latest version of ASCE Manuals and Reports on Engineering Practice No. 74. Guidelines for Electrical Transmission Line Structural Loading,...

Effect of Aluminum Compression on ACSR Conductor Sags at High Operating Temperatures
Deregulation and restructuring are sweeping the electric utility industry in the United States. As a result, many utility engineers are analyzing, re-rating, and upgrading their most critical...

 

 

 

 

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