What's Hiding Between the Boreholes?
Often, geotechnical explorations consist of a few, strategically placed boreholes and considerable interpolation and extrapolation by the geotechnical engineer. The information between boreholes in most...

Supporting A National Treasure: Spruce Tree House Alcove Arch Stabilization
Mesa Verse National Park, located in southwestern Colorado, honors the cultural significance of the fantastic cliff dwellings of the Ancestral Pueblo people, who lived in the area from AD 600 to 1300....

Glacier Skywalk: Foundations for a Canadian National Park Landmark
Jasper National Park, the largest national park in the Canadian Rockies, is located in the Province of Alberta, north of Banff National Park and west of Edmonton. Declared a UNESCO World Heritage Site...

Railroad Tunnel Clearance Improvement and Linear Replacement: What Happens with Unexpected Ground Conditions during Tunnel Construction?
To increase the capacity and efficiency of transporting waste by rail to an existing landfill, Enviro Solutions Inc., the landfill owner, and CSX Transportation (CSXT), the rail line owner, sought the...

What Does the Crystal Ball Say? Energy and Water Issues Are Too Great to Ignore!
Over the past 15 years, the Geoprofessional Business Association's (GBA) Emerging Issues and Trends Committee has held a series of Crystal Ball Workshops (Workshops) to identify long-term emerging issues...

Tailings Impoundment Closure: It's All in the Eye of the Beholder
Since the early 1900s, the mining and power-generation industries have disposed of tailings and other waste products using impoundments. The term "tailings" typically refers to the fine-grained waste product...

Where Geosynthetics Meet Mining Geotechnics: Part of the Mining Engineer's Toolbox
From enhancing stability to providing environmental containment, geosynthetic materials play an important role in mining projects and geotechnics in general. While often overlooked, advancements in geosynthetic...

What Does the Case Law Say? Geotechnical Risk on Design-Build Projects
The growth of design-build (DB) contracting, particularly on public-sector civil projects, has generated a great deal of industry discussion over the age-old question of who should bear the risk of unforeseen...

A Sinking Feeling in Happy Valley: Limited Mobility Grouting Arrests Movement of Emergency Room
Shortly after construction began on a new emergency room addition at the Mount Nittany Medical Center in State College, PA (a.k.a. "Happy Valley"), the existing structure and new construction began to...

The Rise of UAVs Signals a New Era in Geotechnics: Big Data in Geotechnics is Coming from Above
If you have been following the news, browsing the internet, or even gazing up in the sky, it is likely that you have seen an Unmanned Aerial Vehicle (UAV), also commonly known as Unmanned Aircraft System...

New Home for the Maid: Rockfalls, Talus, and the Race for a Dry Dock
The Maid of the Mist Corporation (MOTMC) has operated the iconic Maid of the Mist boats beneath Niagara Falls since the early 1900s. Traditionally, the company has provided trips from...

Summary, Conclusions, and Recommendations
Civil engineers have responsibilities for the planning, design, construction, operation and maintenance of physical infrastructures. These infrastructures include all types of buildings,...

Future Geo-Business Trends
As part of its mission to identify long-term emerging issues and trends and their impact on member firms, the Geoprofessional Business Association (GBA) assembled for its biennial Crystal...

Introduction
Many institutions and private industry organizations have prepared guidance documents with the latest scientific and engineering information on proper design, installation, maintenance,...

Permeable Pavement Research Needs
The implementation of permeable pavement installations and practices are expanding and becoming more commonplace. With this increased usage comes expanded and improved information on design,...

Findings From a Joint Industry Study on Foundation Fixity of Jackup Units
During the design storm conditions the soil supporting jack-up unit footings may be close to, or at plastic failure. Accordingly, the use of elastic solutions to the problems of foundation...

The Joint Industry Development of a Recommended Practice for the Site Specific Assessment of Mobile Jackup Units
The mobile self-elevating (drilling) unit, or jack-up, has been central to the exploration and development of offshore oil and gas reserves. In recent years there has been an increased...

A Solution for Wind-Induced Vortex-Shedding Vibration of the Harmony and Heritage Platforms During Transpacific Tow
This paper describes the results of an advanced procedure for analyzing wind-induced vortex-shedding vibration (VSV) which was used for the transpacific tows of the Harmony and Heritage...

Sustainable Development — A Geotechnical Perspective
Sustainability has become a key factor in major construction projects these days, and many geotechnical engineers have started focusing on the concept. Owners, public agencies, and the...

Ground Freezing in a Congested Urban Area
Artificial ground freezing is a method of providing temporary earth support and ground water control for deep excavations and tunnels. The technique has been used for over 100 years in...

 

 

 

 

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