Reinvested Space
Over the last 12 years, the District of Columbia Public Library has undertaken the renovation and modernization of 22 libraries, including the Martin Luther King Jr. Memorial Library, arguably the most...

Seeing into the Subsurface: Harnessing Geophysics to Remotely Monitor the Condition of Earthworks
Condition assessment of geotechnical structures is essential for cost-effective maintenance and prevention of hazardous failure events. Early identification of deteriorating conditions generally allows...

Infrastructure Solutions: Transit Transformation
Beset by long-term problems related to underinvestment and inadequate maintenance, the U.S. transit sector confronts challenges pertaining to funding, demographic changes, and an increasing array of new...

Eyes in the Heavens: Satellite Technologies in Remote Site Monitoring
Installation and maintenance of instrumentation to monitor geotechnical projects in remote locales is usually more challenging than sites in urban areas for both technical and logistical reasons. In most...

Summary, Conclusions, and Recommendations
Civil engineers have responsibilities for the planning, design, construction, operation and maintenance of physical infrastructures. These infrastructures include all types of buildings,...

Maintenance
While site selection and proper construction are the most critical factors in establishing that permeable pavements function as designed, all must be inspected and maintained to maximize...

Permeable Pavement Research Needs
The implementation of permeable pavement installations and practices are expanding and becoming more commonplace. With this increased usage comes expanded and improved information on design,...

Refrigerated Foundations
Refrigeration systems used to cool foundations on frozen ground can be classified as either active or passive, depending on whether external energy is used to power the systems. If pumps,...

Highway Bridges Performance and Repair
This chapter covers highway bridges performance and repair. Bridges in Mississippi, Louisiana, and Alabama are discussed....

A New Identity
By repairing and relocating steel trusses, replacing deteriorating approach spans, and replacing what, at the time of its construction, was regarded as a daring concrete truss, engineers...

Administration, Operations and Maintenance Facility Contents
This chapter provides an overview of water and wastewater administration, operations and maintenance facility contents. Checklists are included....

Twin Crossings
The Hungerford Bridge actually comprises twin pedestrian bridges that are being constructed on either side of an operational 19th century railway bridge over the River Thames in London....

Predicted Service Life of Armor Stone: A Case History
Laboratory testing for determination of true rock quality in terms of expected performance is not clear-cut, may be misleading, and requires extensive interpretation by an expert. This...

Capacity, Management, Operations and Maintenance (CMOM) Overview
Attendees will have a better understanding of the new policy and the benefits of compliance. The purpose of the CSO Rule or CMOM by EPA is creating a wave of activity across the country....

Maintenance of Diaphragm-Girder Connections
Fatigue cracking at diaphragm-girder connections and at similar connections of cross-frames and floorbeams have been common in steel highway bridges for the past 20 or 30 years. Fatigue...

High-Tech Inspection
The Federal Highway Administration's National Bridge Inspection Program requires the states to report the condition of its bridges as determined by visual inspection, and...

The Effects of Maintenance and Rehabilitation Alternatives for Asphalt Pavements in New England and New York

Rehabilitation of the Packers Falls Bridge
The Packers Falls Bridge was constructed in 1912 and consists of a 42' (12.8m) single span, reinforced concrete arch structure. This bridge was constructed using a unique forming system...

Effectiveness of Preventative Maintenance Strategies for AC Pavements Based on LTPP Distress Data

Bell's Bridge Rehabilitation
Bell's Bridge carries Tidewater Drive, a major urban arterial in the City of Norfolk, Virginia, over Wayne Creek, a tributary of the Lafayette River. During a routine inspection in 1995,...

 

 

 

 

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