August 1996

Bridges

Bend but don't break

Dec. 28, 2000
There are two distinct strategies to solve seismic problems: one, the conventional design approach, adds strength and ductility to the structure; the other, the seismic isolation...
Home

TRIP TALK

Dec. 28, 2000
In addition to its ongoing national program, one of The Road Information Program's (TRIP) most important functions is to work with state highway-contractor chapters and/or industry...
Bridges

Quake-resistant beauty

Dec. 28, 2000
California's El Camino Real (royal road) took Spanish missionaries along the Pacific coastline where they founded the Santa Barbara Mission in 1786, one of the 21 original California...
Bridges

San Francisco area bridges planned for retrofit

Dec. 28, 2000
In June 1933 work began on the San Francisco-Oakland Bay Bridge (Bay Bridge). Former President Herbert Hoover, who was present at the ceremonies, referred to the yet-to-be-built...
Infrastructure Security

Nation's first automated highway system demonstrated in San Diego

Dec. 28, 2000
The transformation of the I­p;15 high occupancy vehicle (HOV) lanes into the nation's first demonstration of automated highway system (AHS) technologies began during a kick...

More content from August 1996

Home

TRUCK TRACKS

Dec. 28, 2000
A pair of trends has been gaining speed in recent months that could add up to sizable cuts in the cost of operating trucks. One trend involves designing components with longer...
Highway Construction

LAW: The Contractor's Side

Dec. 28, 2000
As the U.S. moves toward the construction of "smart" highways as an integral part of our transportation system, state DOTs and localities will be called upon to broaden the horizons...
Bridges

Designed for seismic stability

Dec. 28, 2000
On Oct. 17, 1989, the Loma Prieta earthquake struck the San Francisco and Monterey Bay areas. Measuring 7.1 on the Richter scale, the earthquake was the largest to occur in the...
Asphalt

Onboard Compaction Meters Make Inroads into U.S. Market

Dec. 28, 2000
The Atlantic Ocean is more than a geographical barrier that separates North America from Europe. It is also the demarcation line of a different sort, separating the two cultures...
Bridges

Earthquake engineering isn't just for California any more

Dec. 28, 2000
When an earthquake in San Francisco interrupted a World Series game in October 1989, millions of people across the U.S. saw it live on TV. For most non-Californians, this would...
Construction billboard 2
Construction billboard 2
Construction billboard 2
Construction billboard 2
Construction billboard 2
Asphalt

Compacting Hot Mix Asphalt Pavements: Part I

Dec. 28, 2000
The single most important factor that affects the long-term durability of a hot-mix asphalt (HMA) pavement is the density of the mix that is achieved by the contractor at the ...