Catching Up on Composites
Until recently, Japan and Germany were way ahead of the U.S. in composite material technology for construction. Lighter, stronger and possibly more durable than conventional materials...

Lining the Line
Having succeeded in achieving dry stations and tunnels in mined construction, flexible waterproofing membranes are now being used to waterproof cut-and-cover subway stations and old, leaking...

Accessing Atlantic City
Construction of the 2.2 million sq ft Atlantic City Convention Center is well under way. With 486,000 sq ft of exhibition space, the center and accompanying rail terminal could help restore...

Capital Facelift Takes Flight
Since 1988, one of the largest and most complex airport renovation projects in U.S. aviation history has been under way in Washington, D.C. Known as the Capital Development Program, the...

Bridge Over the River Karnali
Just as topping Nepal's Mount Everest requires great stamina from mountain climbers, building the Karnali River Bridge in a remote region of western Nepal required six years...

Worth the Risk?
The construction process is fraught with uncertainties, but integrated, proactive risk assessment and risk management methods can help owners, engineers and contractors make better, informed...

Cable Corrosion in Bridges and Other Structures:
Causes and Solutions
This book provides the reader with basic facts concerning cable corrosion and means to avoid or rehabilitate corrosion damage. Corrosion problems associated with cable-supported structures...

Solving the Innovation Puzzle
Challenges Facing the U.S. Design & Construction Industry
This book provides a first-hand perspective of innovation in the design and construction industry. Solving the Innovation Puzzle outlines the...

A Simplified Process Audit to Design an Affordable Pollution Prevention and Waste Management Plan - Part 1
This paper presents a simplified approach to the general audit procedure that is applicable to the Small and Medium Enterprise (SME). The process leads to the identification of major sources...

A Multiperiod Approach for the Solution of Groundwater Management Problems using the Outer Approximation Method
In a previous work the Outer Approximation method was presented (Karatzas and Pinder, 1993 and 1996) for the solution of groundwater management problems where the selected pumping rates...

Use of SALQR Optimization in Large Aquifer Cleanup
A modified form of Differential Dynamic Programming (DDP), called Suc cessive Approximation to a Linear Quadratic Regulator (SALQR), is used to compute optimal policies for remediation...

A Graphical Environment for Multi-Dimensional Surface Water Modeling
Recently the Engineering Computer Graphics Laboratory of Brigham Young University in conjunction with the U.S. Army Engineer Waterways Experiment Station and the Federal Highway Administration...

White River Fish Screen Project?Hydraulic Modeling
In 1983, Puget Sound Power and Light Company (Puget Power) proposed in a license application to FERC for the overall White River Project replacement of the existing fish screens constructed...

Engineering Features of the Red Bluff Research Pumping Plant
In 1995, the construction of the Red Bluff Research Pumping Plant (RBRPP) was completed. The pumping plant is a research facility for evaluating the biological/engineering features of...

An LPI Numerical Implicit Solution for Unsteady Mixed-Flow Simulation
A Local Partial Inertia (LPI) technique is developed as an option within the National Weather Service (NWS) FLDWAV dynamic flood routing model to enhance its capability to model unsteady...

SpatioTemporal Stochastic Open-Dhannel Flow
The de Saint Venant equations are solved as stochastic partial differential equations whose parameters (hydraulic resistance, bed slope, cross-section geometiy, inflow hydrograph, seepage,...

Analysis of Bank Stabilization in Steep Complex Streams Using A Two-Dimensional Model
In cases where the channel is fairly uniform, and not divided, one-dimensional hydraulic models, such as HEC-2, generally give adequate results for scour evaluations and bank protection...

Westlake Farms Demonstration Wetlands A Cooperative Effort
This paper describes the process for establishing a wetlands complex to evaluate environmental issues that could not be answered without the operation of a large demonstration project....

Design and Implementation of a Multi-Faceted Site Remediation
This technical paper presents a case history of the design, construction, and start-up of a multi-faceted site remediation system. The case history includes a description of the site background,...

The Impact of Numerical Precision on Optimal Groundwater Hydraulic Control
The numerical precision retained in the formulation of groundwater hydraulic control optimization problems can have significant impacts on the accuracy of the solution. Sources of imprecision...

 

 

 

 

Return to search