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...

A Sunken Submarine Full of Mercury: Safe, Controlled Construction of a Counter Fill for Seabed Slope Stabilization at about 155 to 177 Meters
On December 5, 1944, with World War II still raging and peace in Europe still six months away, the German submarine U-864 set out on her maiden voyage on a secret mission to deliver strategic war supplies...

Nature Sides with the Hidden Flaw: Lessons Learned from Failures of Earth-Support Systems
In recent years, the demand for excavations and fills of significant height has increased due to many factors, including requirements for below-grade parking for urban buildings and the need to construct...

Stabilizing Variable and Sloping Ground: Achieving Innovation Through Adaptation
We all know the high price of land development these days, so it's more important than ever for owners and their designers to maximize available land area. Occasionally, this demand is constrained by topography...

The Evolution of Launched Soil Nails: A 30-Year Retrospective
Launched soil nails are a unique remedial technology in the geotechnical construction toolbox. These 20-ft-long, 1.5-in.-diameter nails are installed in a single shot using a compressed air "cannon" at...

A History of Deep Vibratory Methods for Ground Improvement: A Cost-Effective Foundation Solution for 80+ Years
Deep vibratory ground improvement methods, collectively referred to as vibro systems, have been utilized by the construction community in one form or another for the past 80 years. Development of the equipment,...

Ground Improvement for Underground Construction: The Good, the Bad, and the Ugly
Underground construction is "special" because the work may be performed at great depths and under high groundwater pressures. All too often, it seems to take place in urban areas where there is limited...

Extreme Makeover: Interchange Gets Ground Improvement Facelift
As part of the massive, $159.9 million Interchange 14A Improvement Project in the cities of Bayonne and Jersey City, NJ, the New Jersey Turnpike Authority (NJTA) is realigning 12 ramps and roadways and...

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...

Evaluation of Vertica Retaining Wall Systems
Prepared by the Highway Innovative Technology Evaluation Center (HITEC). This report describes a HITEC evaluation designed to determine the basic capabilities...

Mechanisms Controlling the Permeability of Clays
Coefficients of permeability, calculated using Terzaghi's theory of one-dimensional consolidation, are reported for smectite, illite, and kaolinite, in water, methyl and ethyl...

Geo-Shanghai 2014
Proceedings of the Geo-Shanghai 2014 International Conference, held in Shanghai, China, May 26-28, 2014. Sponsored by the Geo-Institute of ASCE. These...

Dynamic Stability of Statically Pre-Loaded Systems

Is There a Movement Toward Three-dimensional Slope Stability Analyses?
Over the past few years, interest in performing three-dimensional (3-D) slope stability analyses has surged. An increasing number of research papers on this topic are being published at...

On the Evaluation of Static Soil Properties

Stabilizing Colorado's Rock Slopes by Gluing, Scanning, and Bolting

Avoiding Surprises in Slope Stability

Design of Urban Stormwater Controls
Fully updated to address the paradigm shift in the way stormwater is viewed and managed, Design of Urban Stormwater Controls focuses on consolidating technologies to foster a convergence...

Evaluation of the Vistawall MSE Wall System by T&B Structural Systems
Final Report
The Highway Innovative Technology Evaluation Center (HITEC), serves as a clearinghouse for implementing highway innovation by conducting nationally focused, collaborative evaluations of...

Using Micropiles for Slope Stabilization

 

 

 

 

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