Overview of Structural Behavior of Members Subjected to Torsion
The torsion strength of concrete beams depends on many factors, such as the amount of reinforcement, the volumetric ratios of longitudinal and transverse steel bars, the concrete strength,...

Headcut Analysis for Off-Channel Gravel Pits in Arid Environments
The study focuses on a large gravel pit located adjacent to the Santa Cruz River between the confluences with the Rillito and Canada del Oro rivers in Tucson, Arizona. These gravel pits...

Golden Opportunity
After abruptly losing access to a significant portion of its water supply during a severe drought, the city of Golden, Colorado, responded by employing innovative approaches to design...

Overview of Long-Span Bridge Assessment History
This section gives a brief overview of long-span bridge assessment history. Also included are a few cases of long-span bridge failure and lack of assessment....

Guidelines for Forensic Engineering Practice
Sponsored by the Forensic Engineering Practice Committee of the Technical Council on Forensic Engineering of ASCE. This report provides the fundamentals...

Pressure Relief
When the two basins making up a 90 acre reservoir in New York needed to be emptied and cleaned, engineers decided to use the 2,750 ft (840 m) long concrete wall dividing them as a dam....

Lessons Learned from Experience Dealing with Risks of Extreme Events: Part I
The five speakers in this session talked about a wide variety of topics, including schedule dependencies in hurricane preparedness, knowledge mapping across networks, extreme events in...

Panel Discussion: Synthesis - What Does It All Mean?
This final panel and group discussion revisted topics from all of the week's sessions. It was acknowledged that the conference has addressed the threat of terrorism to diverse systems...

Observations on Low-Speed Aeroelasticity
A brief history of developments in the field of low-speed aeroelasticity is provided in the context of application to long-span bridge structures. The paper begins with summary of some...

Forensics and Case Studies in Civil Engineering Education: State of the Art
This paper reviews the state of the art in the use of forensic engineering and failure case studies in civil engineering education. The study of engineering failures can offer students...

A Better Barrier
Seepage problems have troubled the Walter F. George Lock and Dam, on the Chattahoochee River, for more than 40 years. Construction of a deep positive cutoff wall is nearing completion,...

Rate of Under-Registration Due to Failures of Large Meters
Leaks and meter under registrations are suspected as primary components of unaccounted-for water in Korea. In 2001, national unaccounted-for-water rate is reported as 26.6%. More than...

Failures and Problems with Lift-Slab Construction
This chapter provides an overview of failures and problems with lift-slab construction. Topics include jack systems with inadequate take-up devices; the Canadian wedge connection; Serra...

Progressive Collapse
This chapter examines progressive collapse. Topics include current practice and integrity steel for loss of support of a lifting collar....

A Dam for a Dam
The General Electric (GE) Dam in Minneapolis, Minnesota, was more than a century old when it began leaking excessively in December 1998. Operations staff for the dam owner—the Minneapolis-based...

Deep Freeze
In engineering, overcoming a failure can sometimes be more instructive than completing a project with unqualified success. Such was the case with the collapse and repair of a force main...

Countering Chemical and Biological Terrorism
Prior to the terrorist attacks of September 11, building protection related to terrorism primarily focused on the threat of bombs detonated inside vechicles. However the September 2001...

Training Grounds
A state-of-the-art training facility at a Texas community college is ready to train fire and rescue personnel to cope with disasters ranging from fuel fires and floods to collapsing structures...

Saving Saluda
One of the largest roller-compacted-concrete berms in the United States will stand sentinel in case South Carolina's Saluda Dam undergoes liquifaction in response to strong...

Revised Operation of a Dam and Reservoir to Achieve Environmental Objectives
Alamo Dam and Lake are located in the State of Arizona in the western part of the United States of America. The dam is located 62.8 km (39 mi) upstream (east) from the rivers confluence...

 

 

 

 

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