Skid Row
Roads & Bridges
July 2008
By George Zafirov
Focus on application when choosing skid-steer tires
Dart hits the bull's-eye
Roads & Bridges
June 2008
By Tara Vantimmeren
Site dumper turns potential troublesome facet of project into an exercise in efficiency
Making the grade
Roads & Bridges
May 2008
By Roads & Bridges
Manhole risers help Norfolk, Va., keep maintenance costs down
Outside the box
Roads & Bridges
April 2008
By Tara VanTimmeren
Deere breaks the dozer mold with an innovative line of earth movers
PDF Version
Ray vision
Roads & Bridges
March 2008
By Topcon Positioning Systems
Topcon CEO talks about state of the machine automation industry
PDF Version
Break it up
Roads & Bridges
May 2005
—Edited by Allen Zeyher and Stephanie Harris
Some individuals in Texas initially thought RCA would be a substandard material, but the Texas DOT learned that, with improved process control, RCA can be used in new concrete. The Texas DOT’s experience with production, construction and cost of RCA is related in the FHWA report.
What follows are brief descriptions of a few of the latest products for doing demolition work and recycling and reclaiming roads.
New Perspectives on Heavy metal
Roads & Bridges
December 2004
Allen Zeyher, Associate Editor
Cat’s excavator of the future has a cab that sits inside the boom, where the operator has the best view of the bucket.
Hoping for a lift
Roads & Bridges
November 2003
Allen Zeyher
The lifting segment of the construction industry suffered through another bad year in 2003, with sales in the U.S. projected to be off by 7% from 2002. This was on top of a 14.9% drop in 2002. Everyone surveyed is optimistic about sales in 2004. For anyone still in the market to invest in equipment to lift material or personnel, here are some of the latest products.
At your service
Roads & Bridges
June 2003
Trucks customized to a contractor's specific application can help crews and equipment work at full capacity while avoiding missed deadlines, voided warranties and unnecessary capital outlays.
A tale of good and bad
Roads & Bridges
January 2002
Allen Zeyher
Equipment sales shrivel; construction work ignores weak economy
Don't hold your breath
Roads & Bridges
January 2002
Allen Zeyher
Maybe no early recovery, but fumes pose no major hazard
Digging out
Roads & Bridges
September 2001
Allen Zeyher
Excavator makers may provide lift industry needs
Pick up the tempo
Roads & Bridges
August 2001
Allen Zeyher
Higher vibration frequency is crucial in asphalt compaction
Present arms!
Roads & Bridges
May 2001
Allen Zeyher
Roll call of soldiers in the war against advancing roadside weeds
PDF Version
Taking traffic safety to the next level
Roads & Bridges
July 2000
Bill Wilson
The Trinity Attenuating Crash Cushion (TRACC) is the newest addition to Trinity Industries Inc.’s Life-Saving Highway Safety Systems. This crash cushion is easy to install and inspect in the field.
A HMA Plant Milestone
Roads & Bridges
September 1999
Florida company installs its own facility to meet demands of the Superpave movement.
Asphalt Plant Safety - Part I
Roads & Bridges
January 1999
Cliff Mansfield
Case studies reveal that common sense and a rigid safety program are important factors in avoiding deadly plant-site accidents. This is Part I of a two-part series on plant safety. Part II will appear in February.
Compaction Rollers and Testing Equipment Work to Provide a Quality Road Surface
Roads & Bridges
August 1998
Designed and used to compact material for any number of applications, compaction rollers densify material through the application of static force or dynamic force combined with static force. ROADS & BRIDGES will provide an overview on asphalt compactors and the different size and type of machines that are capable of handling a variety of applications. In addition to asphalt compactors, density gauges, gyratory compactors and other asphalt testing equipment will be reviewed.
Plain Janes
Roads & Bridges
October 1996
David Banasiak
Simple in design and humble in performance, trailers have always played a supporting role on the work site, but booming sales show how important they really are
Compacting Hot-Mix Asphalt Pavements: Part II
Roads & Bridges
September 1996
James A. Scherocman, P.E.
Part II: Proper use of rollers will aid in achieving the correct density in hot-mix asphalt pavements; Roller operator controls five primary variables in the compaction process.
LED technology lights the work-zone
Roads & Bridges
July 1996
David L. Evans
Improved light emitting diodes challenge incandescent lamps as the light source of choice for work-zone safety devices.
ONLINE
Roads & Bridges
June 1996
David Banasiak
ONLINE
Roads & Bridges
April 1996
David Banasiak
Any Way You Mix It - It's HMA
Roads & Bridges
January 1996
There are currently two types of hot-mix asphalt plants used in the U.S.:
batch plants and drum-mix plants. The results of each type of plant-a hot,
homogeneous blend of aggregate and asphalt cement suitable for paving-is
the same, but the method each employs to get this mixture differs.
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