Effect of Column-to-Beam Strength Ratio on Seismic Performance of RC Moment Frames
Reinforced concrete (RC) moment frames are often used in building applications. During strong earthquake excitations, such buildings have been subject to soft-story or column sidesway...

The Effect of the Slab on Beam-Column Joint Behavior
The three-dimensional effect of slab interaction on frame behavior has been observed in lateral load tests on beam-column-slab elements....

New Developments in the Field of Seismic Isolation
This paper will concentrate onwhat likely, is the most significant of these issues: changes in the mechanical properties ofseismic isolation and energy dissipation hardware as they are...

Performance of Masonry in Disasters: Lessons Learned and Research Needs Identified
This presentation described in this extended abstract is one of several in a panel discussion entitled Enhanced Research in Masonry. The objectives of the presentation are to discuss the...

Seismic Analysis and Retrofit of the Amoskeag Bridges
In 1983 AASHTO first offered the design guide for seismic analysis of bridges, which ultimately became a permanent part of the AASHTO Bridge Design Manual in 1990. Prior to this time,...

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...

Returning to the Source
One hundred years ago, Las Vegas was a dry, dusty dot on the map with a population of only 100. The city grew up to become perhaps the gambling capital of the world, and more recently...

Selected Geotechnical papers of James K. Mitchell
Civil Engineering Classics
Sponsored by the Geo-Institute of ASCE. This collections contains 35 key papers by James K. Mitchell during his extraordinary career as a geotechnical...

Geotechnical Testing, Observation, and Documentation
A geotechnical report, field and laboratory testing, as well as observation and documentation are all integral parts of most geotechnical projects. A technician is usually dispatched to...

Holding Steady
The San Diego�Coronado Bay Bridge is an unmistakable landmark that frames the skyline of downtown San Diego, providing a vital link between the mainland and the Coronado peninsula. The...

Competitive Edge
A new design system called the simplified economical bridge design (SEBD) makes steel cost-competitive with concrete for short- and medium-span bridges for the first time. In fact, a comparative...

A Natural Approach
Before the Comprehensive Everglades Restoration Plan began, the Florida legislature established the Everglades Construction Project (ECP), a $708-million, 10-year program now being implemented...

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...

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...

Big Screen Debut
The Glenn-Colusa Irrigation District (GCID) encompasses nearly 150,000 acres (60,700 ha) of prime agricultural land in California's Sacramento Valley, generally considered...

Evaluation Findings for Seismic Energy Products, L.P. Elastromeric Isolation Bearing
Prepared by the Highway Innovative Technology Evaluation Center (HITEC), a CERF Service Center. This report presents the results of a detailed evaluation...

Environmental Technology Verfication Report for Installation of Silt Fence Using the Tommy Static Slicing Method
Prepared by the Environmental Technology Evaluation Center (EvTEC), a CERF Innovation Center. This verification report describes a field evaluation...

Evaluation of the CON/SPAN Wingwall System
This evaluation was performed on CON/SPAN Wingwalls, precast concrete end walls for the CON/SPAN Bridge System developed, designed, and supplied by CON/SPAN Bridge System, Inc....

Water In, Water Out
Moving water into and out of the Eastside Reservoir, which will be the largest body of freshwater in southern California, requires some of the largest pumping and water conveyance systems...

Mississippi Diversion
The $103-million Davis Pond freshwater diversion project in coastal Louisiana will divert up to 10,650 cfs (300 m�/s) of Mississippi River water to the Barataria Bay Estuary through four...

 

 

 

 

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