Appraisal of Lightweight Moorings for Deep Water
This paper outlines the potential advantages of using lightweight fiber ropes for mooring floating production platforms. The influence of tether properties on mooring system response is discussed. It is...

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...

Whose "Fault" Is This? Overcoming Faulting and Ancient Landslides in a Dam Abutment
The Calaveras Dam Replacement Project (CDRP) is the largest project in the San Francisco Public Utilities Commission's (SFPUC) $4.8 billion, multi-year Water System Improvement Program (WSIP). The program...

When Things Became Muddy: TVA's Response to Seepage Discharge at Boone Dam
In October 2014, the Tennessee Valley Authority (TVA) profited from investments in a robust dam safety program. This profit did not come in the form of money, but more importantly in the protection of...

Over Open Water
Because of environmental considerations, construction of the wharf for the new Paulsboro Marine Terminal, in Paulsboro, New Jersey, could not cause the loss of in-water or intertidal habitat at the site....

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...

Wider and Deeper (part of "A Greater Wonder")
A key component of the recent Panama Canal expansion involved the widening and deepening of Gatun Lake, the artificial lake that serves as the canal's reservoir, and the deepening of the Culebra Cut (also...

Raising Gatun Lake (part of "A Greater Wonder")
Raising the maximum operating level of Gatun Lake was one of the four main undertakings of the Panama Canal expansion project. Its goal was to increase the storage capacity for water used for human consumption...

Testing the New Locks (part of "A Greater Wonder")
The recently completed third set of locks at the Panama Canal incorporates several civil components and hydraulic design features that are intended to reduce routine maintenance and conserve water. For...

Ready for Today–And Tomorrow
The Metro Wastewater Reclamation District’s new 24 mgd Northern Treatment Plant, near Denver, represents one of the most advanced facilities of its kind in the western United States. Delivered by means...

Walking on Air
Rising from a beach on the southeast coast of the United Kingdom is the 162 m tall British Airways i360, considered the tallest observation tower in the world to feature a movable level as well as the...

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...

A Place for Penguins
The Detroit Zoo’s Polk Penguin Conservation Center has created a habitat for Antarctic and subantarctic penguins designed to match their natural environment to the fullest extent possible. In addition...

The Water Will Come: Rising Seas, Sinking Cities, and the Remaking of the Civilized World, By Jeff Goodell. New York: Little, Brown and Company, 2017

New York City Adds Constructed Wetland to Staten Island’s Bluebelt System

Built from Below
The $95-million effort to first widen and then replace the 1,315 ft long Fox River Bridge, in Elgin, Illinois, faced myriad obstacles, including the need to avoid causing traffic delays on a busy stretch...

Brewers Make Beer Using Recycled Water to Promote Potable Reuse In Arizona, Colorado

Cracking the Nuclear Code: Finding an Alternative to the Nuclear Density Gauge
Two of the most basic quality control tests made in the field during soil construction are the soil’s moisture content and density. The establishment of a uniform procedure to compare the performance of...

Geotechnical Aspects of Pavements: There's More to Roads than Asphalt and Concrete!
When you jump on the highway to make that commute to work, do you think much about what's under the surface you ride on? Pavements are layered systems designed to provide a strong structure to support...

Improving Cost and Schedule Performance on Municipal Pipeline Projects: Realizing the Benefits of the Construction Manager at Risk (CMAR) Alternative Project Delivery Method
The water and wastewater infrastructure in the United States is failing. In its 2013 Report Card on American Infrastructure, ASCE stated: "The water and wastewater...

 

 

 

 

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