The Design and Construction Aspects of the Structure Research Tests at Cypress Viaduct
A research program is described whose task was to gather information about the inherent strengths and weaknesses of the existing Cypress bridge structure and to evaluate the effectiveness...
Collapse of the Cypress Street Viaduct
This paper is being presented by the Division of Structures, Post EarthQuake Investigation Team (PEQIT) on the collapse of the Cypress Street Viaduct in the City of Oakland, California,...
Earthquake Response of the San Francisco Freeway Structures During the October 17, 1989 Earthquake
In terms of strong motion shaking, San Francisco experienced a minor earth- quake on October 17, 1989. However, the San Francisco freeway structures (designed in the 1950s and 1960s) suffered...
Bridge Damage Review?Loma Prieta Earthquake
The Loma Prieta Earthquake that struck the San Francisco Bay Area on October 17, 1989 caused varying degrees of damage on highway bridges. Within a few hours of the event CALTRANS had...
Lessons Not Learned from the Catastrophic Collapse of Highway Structures in the 1989 Loma Prieta Earthquake
Most of the damage sustained from the 1989 Loma Prieta Earthquake in Northern California was not a surprise to civil engineers and knowledgeable building officials. As early as the 1900s,...
Performance of Unreinforced Masonry Buildings During the Newcastle Earthquake, Australia
On December 28, 1989, an earthquake of Richter magnitude 5.6 shook the city of Newcastle. Newcastle is situated on the east coast of Australia only 100km north of Sydney. Eleven deaths...
Lateral Load Test on Driven Pile Footings
The October 17, 1989 Loma Prieta earthquake provided an ideal time and situation to perform for the first time, at no installation cost, a full scale lateral load test on a group of driven...
Design Considerations for Automated Pavement Crack Sealing Machinery
The purpose of this paper is to discuss the numerous considerations for designing automated machinery for the sealing of cracks in pavement. Operational requirements are presented and...
CADD?Database Application for Facility Inspections
In 1989, the Sverdrup Corporation was hired to perform the Comprehensive Inspection of the Queens-Midtown and Brooklyn-Battery tunnels in New York City. From the onset of the project it...
Design of HCM Signal Timings Using Signal Expert
While computer implementations of the procedures for evaluating the operation of traffic signalized intersections are receiving widespread use, these implementations are still primarily...
Design and Evaluation of Multi-Band Progression Schemes
Multiband is a new arterial progression scheme that has the capability to assign each directional road section with an individually volume-weighted band. The method offers to the traffic...
Computer Aided Engineering Analysis for Transportation Links ? Management Options
CAD applications on Engineering Analysis have proved very effective in view of its wide applicability & the conceptualization power of interactive computer graphics (ICG). Transportation...
Design for IVHS Safety: Technology Assessment
The development of an Intelligent Vehicle/Highway System (IVHS) will require methodologies for predicting and controlling system safety. In principle, these methodologies should include...
Taming the Silicon Steed?Perceptions of Risk
This paper draws from contemporary research in the psychological literature to argue that transportation engineers and decision makers should consider the issue of perceived risk when...
Exploring Headsup Displays for Driver Workload Management in Intelligent Vehicle Highway Systems
New transportation system provide more information to drivers to improve their effectiveness in tasks like routing, avoiding congestion. We are examining the headsup displays as means...
Encouraging Tourism and Access Through Recreational Marina/Waterfront Design
Encouraging tourism and access through the development of recreational marina facilities challenges a community and marina designer to create a Master Plan which incorporates a wide range...
Structural Investigation of Marina Del Rey Seawall
The Marina del Rey Seawall was constructed by various contractors between 1959 and 1961. It is composed of 660 panels totaling 39,600 linear feet. The seawall configuration is a type normally...
Case History of the Point Roberts Marina
This paper presents a fifteen year history of the design performance of the Point Roberts Marina. The 1,000 berth small craft harbor is located on the Strait of Georgia, immediately north...
Innovative Breakwater Designs on the Great Lakes
Extensive investigations have recently been undertaken to support the development of rubblemound breakwater designs for new marinas at Kenosha and Sheboygan, WI, both located on the west...
Reef Breakwater Design for Lake Michigan Marina
An innovative breakwater concept consisting of a conventional breakwater and a submerged-reef breakwater operating in tandem has been designed for the southern end of Lake Michigan. The...
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