From Good to Great: The Evolution of Cutoff Wall Quality Control and Verification Techniques
The last three decades have brought tremendous improvements to quality control (QC) procedures for construction and post-construction verification of deep cutoff walls installed in active high-hazard dams....

70 Years of Soil-Bentonite Slurry Walls: So, What's New
The soil-bentonite slurry wall (SBSW) is an established ground improvement technology that continues to find applications. It’s often the best and most economical vertical barrier to essentially stop lateral...

Preparing for Wind and Water
Engineers have played an essential role in preparing cities and states for the 2021 hurricane season.Their efforts to protect the public and public infrastructure range from sea walls to sewer systems,...

Rethinking Barrier Island Restoration: Building a Resilient Louisiana Coast
Louisiana stands on the front lines of the United States’ fight against coastal erosion and land loss. A combination of rising sea levels, subsidence, wave action, human development, and sediment depravation...

Risk in Geotechnical Practice: Are Design Professionals Liable for Failing to Anticipate the Effects of Climate Change?…
Climate change is the result of rising greenhouse gasses from a century and a half of development and industrialization around the world. The inability of the global community to reduce greenhouse gas...

Dried Lakes Do Tell Tales: Seismic Soil Amplification in Mexico City
Mexico City is a vibrant, urban metropolis — a living and breathing example of an "old layered city," where past civilizations coexisted with one another. Standing more than 2.2 km above sea level, surrounded...

A Faster, Cheaper, Better Way to Build a Wall: How a Simple Highway Widening Led to a Patent
When first opened in 1940, and as segments were later added to it, the Pennsylvania Turnpike (Turnpike) was principally a four-lane highway with two eastbound and two westbound lanes. As traffic volume...

Geotechnics of the Suez Canal Construction: 150 Years Old, but Nearly Four Millennia in the Making
Construction of the Suez Canal created one of the most important waterways in the world, connecting the Mediterranean and Red Seas. Its construction from 1854 to 1869 created three cities, Port-Said, Ismailia,...

A Moving Mystery
Along the southeastern edge of California’s Salton Sea, there are areas that contain geothermal mud pots and mud volcanoes—Geological features that may change shape, but never location. In 2016, a large,...

Restoration Through Reclamation
The people of the Netherlands have a long history of reclaiming land from the sea. In one of the lasted examples, the construction of an artificial archipelago represents a remarkable collaboration among...

Stabilizing the Cliffs of Alcatraz Island: It My Be "The Rock," but it Still Needs Attention!
California's Alcatraz Island was described by some early explorers as an unusually lush rock sticking out of the sea. The rock on the island consists of shale and sandstone members of the late Mesozoic-aged...

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...

Military Geotechnics in the Ancient World: Geo-Innovating the Hard Way
The technical expertise that is now part of geotechnical engineering was of paramount importance in the ancient worlds. This is because before, but also after, the invention of siege equipment, nearly...

A Simple Model to Predict Soil Resistance to Driving for Long Piles in Deepwater Normally Consolidated Clays
As the exploration and development for offshore oil and gas reserves moves into the deepwater environment of the continental slope, a good model is necessary to evaluate drivability of...

Cyclic Response of Steel-Stud Framed Wall Panels

Quantifying Regional Risk Profiles Attributable to Sea Level Rise

Sea Level Changes Results from the IPCC 2007 Report and Subsequent Results

Is the Rate of Sea Level Rise Increasing? An Analysis Based on U.S. Tide Gauges

The U.S. Navy's Approach to Climate Change and Sea Level Rise

A Toolkit for Sea Level Rise Adaptation in Virginia

 

 

 

 

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