Estimation of Curve Numbers for Concrete and Asphalt
All impervious surfaces are assigned a Curve Number (CN) of 98. However, no field or experimental evidence exists (to our knowledge) that shows why the impervious CN was assigned a value...

Hydrologic Comparison of Four Types of Permeable Pavement and Standard Asphalt in Eastern North Carolina
A permeable pavement parking lot in eastern North Carolina consisting of four types of permeable pavement and standard asphalt was monitored from June 2006 to July 2007 for hydrologic...

Characterizing the Pathways and Characteristics of Nutrients Discharging from Ground-Water to Surface Water
Any investigation of surface-water quality for a lake or pond requires accurate estimates of the contributing contaminant or nutrient loads. In many cases, inflow from the adjacent ground...

Characterization of Interaction of Surface Water and Groundwater in the El Paso Lower Valley of Texas
El Paso is located in the Chihuahua desert and prone to long periods of extreme drought. With the river drought, regional irrigation districts only received 34% and 38%of a full water...

Development of Transportation Engineering Research, Education, and Practice in a Changing Civil Engineering World
Transportation has been one of the essential areas within civil engineering since its early days. In commemoration of the 150th anniversary of ASCE, this paper presents a review of developments...

Review of Stabilization of Clays and Expansive Soils in Pavements and Lightly Loaded Structures�History, Practice, and Future
Expansive clay soils�those that change significantly in volume with changes in water content�are the cause of distortions to structures that cost taxpayers several billion dollars annually...

Preparing for Takeoff
New Hampshire's Manchester Airport laid the groundwork for steady grwoth with a set of infrastructure projects including the construction of a parking garage, a terminal expansion,...

Impact of Chemically-Induced Clay Transport and Deposition on the Hydraulic Conductivity of a Natural Sand
The purpose of this paper is to understand in part the dynamic impact of surfactants on hydraulic conductivity for designing enhanced pump and treat operations. This paper has two aims:...

Frozen Ground Engineering
This new edition gives a peerless presentation of soil mechanics for frozen ground conditions and a variety of frozen ground support systems used on construction project worldwide. An...

Crossing the Yangtze
The Nanjing Second Yangtze River Bridge, which links two parts of the city of Nanjing, features the first use of an epoxy asphalt deck pavement in China and one of the longest cable-stayed...

Testing a Multi-Tiered Stress-Gradient Model for Risk Assessment Using Sediment Constituents from Coral Reef Environments
Coral reefs are threatened worldwide by stresses ranging from local to global in extent. Local stresses range from boat/ship groundings and sewage outfalls to dredging and coastal clearing....

National Water Quality Assessment: Moving from Measurement to Understanding
The USGS National Water Quality Assessment (NAWQA) program began in 1991. The objectives of the program were to characterize the quality of the Nations ground and surface water, assess...

High-Performance Highway
Straightening and widening 118 mi (190 km) of state road 44 in northwest New Mexico in under three years required some innovative financing. Not only did the New Mexico State Highway and...

The Future of Airports
Through a series of meetings and surveys, professionals involved in the design, engineering, construction, and maintenance of airports throughout the United States and Canada have identified...

Long-Term Performance Program
Making Something of It: Papers from the International Contest on LTPP Data Analysis 1998-1999
Sponsored by the Highway Division of ASCE; Long-Term Performance Program of the Federal Highway Administration. This collection contains papers from...

Exploring All Options
To relieve environmental stress around the Tampa Bay area's existing groundwater wells, Tampa Bay Water�the regional water supplier�is implementing a Master Water Plan that...

The Road to Reuse
Many types of wastes and by-products have potential uses in the highway environment. Applications for recycled materials include asphalt pavement, portland cement concrete pavement, granular...

Airport on the Move
The Dallas/Fort Worth International Airport (DFW) is building an automated people mover (APM) system as part of a five-year, $2.6-billion capital development program that includes three...

Coming to the Surface
In the past few years, the coastal areas of the Gulf of Mexico and much of Texas have experienced less than normal rainfall and record water demands. During this period, average daily...

Summary of Evaluation Findings for 30-Meter Handheld and Mobile Pavement Marking Retroreflectometers
Prepared by the Highway Innovative Technology Evaluation Center (HITEC), a CERF Innovation Center. This report summarizes the results of detailed evaluations...

 

 

 

 

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