Optimized Drilled Shaft Design through Post-Grouting: Shorten That Shaft for Better Performance
Tip post-grouting is a technique used to inject, under pressure, a neat cement grout beneath the base of a drilled shaft. This method enhances or improves axial load-displacement performance by increasing...

Project Layout
Microtunneling projects should be laid out with attention to the benefits and constraints unique to this construction process. The following recommendations address some of these concerns:...

Shaft Considerations
Jacking and receiving shaft locations should be selected to minimize the number of shafts and disruptions while not exceeding the practical limits of the drive lengths achievable for a...

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...

Shafts/Temporary Structures
Shafts should be of a size to accommodate the equipment and pipe selected and to allow for safe working practices. If the shaft must accommodate the permanent works, it is the contractor's...

On the Interpretation of Drilled Foundation Load Test Results

On the Axial Behavior of Drilled Foundations

Constructability Considerations When Designing Drilled Shaft Foundations for Bridges

Shaft Capacity of Driven Piles in Clay

Side Resistance in Piles and Drilled Shafts (The Thirty-Fourth Karl Terzaghi Lecture)

Flexural Behavior of Drilled Shafts with Minor Flaws

Construction Practices and Defects in Drilled Shafts

Review of Augered Pile Practice Outside the United States

Shoring Up Shaft Specifications: Collaboration for Constructibility

Deep Freeze
In engineering, overcoming a failure can sometimes be more instructive than completing a project with unqualified success. Such was the case with the collapse and repair of a force main...

Uses and Limitations of Conventional Hydraulic Models in the Planning and Design of Storage Tunnels
The hydraulic design of storage tunnels requires special considerations relative to the design of conventional sewers. These issues include characterization and control of inflows, energy...

Turning with the Wind
A 125-m high tower built at the site of the Glasgow Science Center in the United Kingdom required some innovative design methods. To reduce the aerodynamic effects imposed on the slender...

Great Excavations
By any definition, the scale of the underground caverns being excavated near Geneva at the particle physics center run by the Conseil Européen pour la Recherche Nucléaire (CERN)—the European...

Foundations in Weathering Profiles from Igneous and Metamorphic Rocks

Drilled Shafts in the Virginia Piedmont

 

 

 

 

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