Repairing Pittsburgh's Portal
Engineering the rehabilitation of Pittsburgh's Fort Pitt Bridge and Fort Pitt Tunnel involved an extensive inspection of their condition and a detailed evaluation of alternative...

A More Perfect Union
Established to promote greater public understanding of the United States Constitution, the National Constitution Center facility in Philadelphia is a structure of complex geometries articulated...

Torsion of Reinforced Concrete -A Historical Overview
The story of torsion of reinforced concrete must start with the French professor, C. L. Navier. In his landmark book (Navier, 1826) he rigorously derived the first rational theory for...

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,...

Advances in Analytical Modeling of Torsional Members
The basic formula for calculating the torsional strength of reinforced concrete members was developed by Rausch (1929) using the space truss concept. Unfortunately, Rausch's equation may...

Evaluation of Anchor Wall Systems' Landmark Reinforced Soil Wall System
With T.C. Mirafi's Miragrid & Miratex Geogrid Reinforcement —Final Report
This report describes a HITEC evaluation designed to determine the basic capability and limitations of the Landmark/Mirafi System for use as a technically viable precast MSE retaining...

A Concerted Effort
With aid from the National Science Foundation, 15 Universities across the country have expanded and upgraded their earthquake simulation research facilities. These resources have now been...

Evaluation of the CON-ARCH reinforced Concrete Buried Arch System
Final Report
This report summarizes the evaluation of the Con-Arch culvert system marketed by Hunter Contracting, Co. of Tucson, Arizona. The evaluation consisted of computer analysis and field testing of two Con-Arch...

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....

Delineation of Six General Performance Assessment Categories
This section delineates six general assessment categories for long-span bridges....

Performance Assessments of Other Essential Bridges
This section provides a brief statement on long-span bridges outside the scope of this study....

Main Conclusions and Recommendations
This section briefly comments on main conclusions and recommendations for engineering assessments of long-span bridges....

Subsequent Actions for Capturing, Improving, and Securing Performance
This section briefly comments on the need for follow-up engineering assessment work and coordination in order to achieve the needed accomplishments of capturing the long-span bridge performance...

Use of Coal Combustion By-Products as Low-Permeability Liners for Manure Storage Facilities
This chapter presents an overview of the use of compacted flue gas desulfurization (FGD) material as a low-permeability liner. It discusses the engineering characteristics of FGD materials...

Fundamentals of Seismic Isolation
This chapter examines fundamentals of seismic isolation, including its principles, history, and examples of seismically-isolated structures....

Analysis
This chapter presents a brief overview of the current analytical modeling techniques for isolated structures. Perhaps the biggest challenge in the design of an isolated structure is incorporating...

Testing
This chapter examines the testing of isolators. Topics include procedures for testing isolators; practical limitations on testing; shake table testing; and long term performance....

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...

Perspectives in Civil Engineering
Commemorating the 150th Anniversary of the American Society of Civil Engineers
This report contains 27 papers that serve as a testament to the state-of-the-art of civil engineering at the outset of the 21st century, as well as to commemorate the ASCE's...

Building the Olivenhain
Engineers in California were hired to create a reservoir capable of providing the San Diego region with 24,000 acre-feet of water during an emergency shortage. The result is the Olivenhain...

 

 

 

 

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