Submittals
The contractor should submit the items listed in the specifications for review and acceptance by the engineer. The submittals are generally divided into preconstruction and postconstruction...

Microtunneling Operation
The shaft should provide safe working conditions and fully support the ground. Jacking and receiving shaft support system and sizes are typically determined by the contractor. See Chapter...

The Leaning Towers of Wilmington, Delaware: Emergency Response and Retrofit of the I-495 Viaduct to Address Lateral Squeeze
On a sunny, summer afternoon last June, the project manager for AECOM's open-end bridge design contract with the Delaware Department of Transportation (DelDOT) received an...

Journal of Sustainable Water in the Built Environment
The Journal of Sustainable Water in the Built Environment presents activity and research developments in water issues, challenges, and opportunities throughout the developed landscape. The scope covers...

Failure of a Twenty-Foot High Retaining Wall
A cantilever retaining wall, designed in apparent accord with provisions in a civil engineering handbook, failed soon after construction. Analyses of the causes of the failure are presented....

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...

Strategies for Building and Sustaining a Successful Engineering and Consulting Company
This third article in the Business of Geotechnics series addresses stragegies for building and sustaining an engineering and consulting (E&C) company that employs geoprofessionals....

Managing Geotechnical Assets to Improve Highway System Performance
As geoprofessionals, we have a great opportunity to look at our work in new ways and to show its value to others. Highway agencies are looking to get the most from their assets and with...

Condition Indices, Performance Measures, and Managing Performance Data for Geotechnical Asset Management – Don't Get Buried!
Why don't transportation agency assets like pavements, bridges, and earthwork have a Check Engine light? Why can't you simply pull up the complete history and life cycle plan for them?...

Asset Management of Earth Retaining Structures: Design through Design Life
Regarding new earth retaining structures (ERS) construction, the message is clear: plan for asset management. New construction is certainly not immune to performance issues, and the time...

Risk-based Methods for Geotechnical Features in Transportation Asset Management
The purpose of asset management is to meet life cycle performance goals through the management of assets in the most cost-effective manner. In developing risk-based, asset management plans...

So, Why Do You Want to Write a GBR?
Since 1974, scores of papers, articles, conferences, and legal documents have been dedicated to explaining how to write and/or how to use a Geotechnical Baseline Report (GBR). But the...

The Transbay Transit Center: Breaking New Ground in Urban Geotechnics
A building boom centered around the construction of the new Transbay Transit Center (TTC) is transforming the South of Market neighborhood in downtown San Francisco, newly dubbed the Transbay...

Challenges and Risks of Jet Grouting in a Congested Urban Environment
In the heart of London, one of Europe's largest jet grouting contracts is nearing completion. The jet grouting is part of the overall 7-year-long upgrade project to London...

People Matters – Building Careers and Developing Leadership
This fifth article in the Business of Geotechnics series addresses personnel matters in private-sector engineering and consulting (E&C) firms. I'll be discussing the...

Design-Build and Public-Private Partnerships: Risk Allocation of Subsurface Conditions
Project Owners, especially in the public sector, are exploring and utilizing alternative project delivery methods, such as design-build (D-B) and public-private partnerships (P3s). Some...

Communicating Risk in Geotechnical Engineering Practice
Three project situations are articulated with specific emphasis on an element of uncertainty or risk unique to each....

The Best Surprise is No Surprise: The Geotechnical Engineer's Ethical Responsibility to Say No to Bidding
The subsurface characterization work that a geotechnical engineer must perform is critical to the success of every project that requires the cooperation of the ground, regardless of whether...

The Future of Underground Construction Monitoring
In the past 15 years, the tools and techniques used to monitor the performance of existing ground and surrounding structures during construction have improved significantly. Practice is...

Improving Construction Quality by Seeing What's Hidden Underground
One of the challenges of deep foundation projects is the inability to see what's being built at depth. Construction is hidden below ground, in soil or rock conditions that...

 

 

 

 

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