Application of Simulated Annealing for Integrated Urban Water Systems: Infrastructure, Treatment and Re-Use Optimization
Escalating costs in providing water supply, waste water and storm water infrastructure and community concerns over the environmental impact of water harvesting and effluent disposal, have...

Rediscovering the Lost City
Since 1994, Kenneth R. Wright, P.E., of Wright Water Engineers, in Denver, has been studying evidence of civil engineering at the ruins of Machu Picchu—an ancient Inca city in the Andes...

Tunnel with Vision
Two tunnel boring machines that are being used to bore a pair of 6.6 km long tunnels under the Westerschelde estuary in the southern Netherlands must dig through loose sand and sticky...

Tied by Water
Water utilities in the Puget Sound region of Washington State face strict water quality standards and increasing water demands. Because of the Endangered Species Act, they are also under...

Ancient Concept, Modern Context
For several centuries, Bibliotheca Alexandrina was the cultural center of the Western world. It was built by the heirs of Alexander the Great some 2,400 years ago and burned, some say...

Wastewater Trickling Filter Sinkhole Remediation with Limited Mobility Displacement Grouting

The Sealing of a Massive Water Flow through Karstic Limestone

Use of Piles and Deep Well Pumping in Slide Stabilization

Water In, Water Out
Moving water into and out of the Eastside Reservoir, which will be the largest body of freshwater in southern California, requires some of the largest pumping and water conveyance systems...

From Pikes Peak to Mars
A graywater (sink and shower wastewater) reuse system is now being designed to serve a visitors' center and a nearby laboratory atop Pikes Peak, Colorado. If the Pikes Peak...

Application of Water Column Dampers to Control Motions of the Wall Centre, Vancouver
The Wall Centre, a 450 foot tall high-rise tower currently under construction in downtown Vancouver will be the highest building to be constructed in that city. Wind tunnel testing indicated...

Existing Urban Public Transportation System and Its Operations and Usage
In Osaka City, a new urban center was developed in the waterfront area to decentralize the excessively concentrated business activities. In order to connect the newly developed center...

Mississippi Diversion
The $103-million Davis Pond freshwater diversion project in coastal Louisiana will divert up to 10,650 cfs (300 m³/s) of Mississippi River water to the Barataria Bay Estuary through four...

Digging for Answers (Available in Geoenvironmental Engineering Special Issue only)
Research at the six facilities that make up the National Geotechnical Experimentation Sites (NGES) has included tests on minipiles, groups of driven piles, shafts drilled in rock, and...

Control of Estuarine Salinity Using the Adjoint Method

An Unsteady Finite Volume Circulation Model

Modeling the Impacts of Dredged Material Placement in Upper Chesapeake Bay

A Multi-Size, Multi-Source Formulation for Determining Impacts of Sediments on Near-Shore Sensitive Sites

A Numerical Simulation of the Japan/East Sea (JES) Seasonal Circulation

A Comparison of Two Three-Dimensional Shallow-Water Models Using Sigma-Coordinates and z-Coordinates in the Vertical Direction

 

 

 

 

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