Concrete paving equipment keeps evolving, with the
emphasis on versatility and productivity.
Bid-Well
Versatile texturing/curing machine
 Bid-Well
calls its TC-360 the ultimate texturing/curing machine because it is
capable of longitudinal texturing/curing, transverse texturing/curing, and
longitudinal curing. Designed for paving projects from 24- to 60-feet wide,
the machine can be lengthened by adding 3-, 4-, 6-, 12-, or 15-foot
sections.
For transverse texturing and curing, the machine is
equipped with a 10-foot comb and spray bar. For longitudinal texturing and
curing, the comb and spray bar are available to match the width of the
machine. Texturing comb wire tines can be manufactured to meet contractor
specifications. Power for the TC-360 comes from a
liquid-cooled 58-horsepower diesel engine. The TC-360 can be driven with
two-track or four-track drive or with four puncture-proof pneumatic rubber
tires. The four-track machine can be positioned for forward movement during
texturing and curing applications. It features 90-degree track rotation that
allows for self-transportation on the job site or for easy loading and
unloading from a flatbed trailer.
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Gomaco
Easy width changing
 Gomaco
paving molds now have a detachable telescoping auger/strike-off to increase
the versatility of its slipform highway pavers.
Gomaco says the
new feature gives contractors the benefit of a mold that can be either an
open front or auger strike-off. The attachment is said to be easily broken
down for transport with removable and telescoping sections.
The auger/strike-off is designed to move
independently with hydraulically adjustable mounts on the front of the mold.
A self-supporting transition adjuster is standard to allow for crowning in
the material. Both the strike-off and the auger have 6 feet of telescoping
capabilities to aid in changing paving widths. To change widths, the
contractor adds or removes a section of the mold, then telescopes the auger
and strike-off to the needed width.
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Power Pavers
Placer spreaders for roads and airports
 Power
Pavers manufactures two placer spreaders for the highway and residential
street markets. Both models place concrete in front of paving machines at
widths from 12 to 27 feet and, with optional extensions, up to 32 feet. The
PS-2700 paves depths to 14-inches thick and the PS-3000, with its conveyor
belt located in front, paves depths to 28-inches deep for airport and
highway paving. Both feature hydraulic loading legs that provide 42 inches
of lift, allowing a lowboy trailer to be moved under them for easy loading.
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Multiquip
Simplified concrete paving
Multiquip says its newest self-propelled roller
screed simplifies paving, whether the job is highway rehabilitation,
white-topping, airport runways, or bridge decks. The WRS SuperScreed
features a sectional truss frame and several strike tube lengths that allow
it to strike-off panels from 12 to 50 feet. It is said to be flexible enough
to perform on highway off ramps and anywhere curved or tapered roads make
strike-off difficult.
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Terex
Roadbuilding
Changes widths hydraulically
 The
Terex SF-2204 HVW uses a hydraulic system to quickly change paving widths
from 8 feet, 4 inches to as much as 20 feet. A modular paving kit mounted to
the paver’s sub-frame uses the mainframe’s telescoping action to position
dual tandem paving molds laterally for specific width requirements.
Optional attachments for the unit also mount on the
telescoping steel frame, enabling the paver to do the work of multiple
machines. One of those attachments is a side-mount curbing system that lets
contractors pave and curb in a single pass. The optional system retracts for
transport and adjusts hydraulically from 4 to 36 inches.
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Power Curbers
Enhanced trimming and pouring capabilities
 Last
fall Power Curbers announced a Super-B version of its 5700-B slipform paver
for curb-and-gutter and barrier work. The Super-B has 50% more horsepower
than its predecessor, improving its trimming and pouring capabilities in
high-production curb-and-gutter applications. Other enhancements include a
heavier crawler frame, higher torque for the conveyor and the crawler
driveline, and easier and faster servicing.
Carryover features include a cast auger conveyor,
hydraulic mold offset, and the company’s Quick-Connect Mold Mount System.
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Messinger
Curb and gutter upgrade
Messinger has given the Curb Fox 5000 Curb and
Gutter Slipformer added traction, weight, and flexibility. The 5,000-pound
machine uses all-wheel, hydrostatic drive to operate in all subgrade
conditions. It also features foam-filled tires and an integral parking
brake. The new Curb Fox can slip form curb and gutter up to 24-inches wide
in the offset position, and up to 36-inches wide in the center. It can also
pave sidewalks up to 5-feet wide and slip form curbs up to 20-inches high.
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Allen Engineering
Triple roller tube pavers
Allen says its Triple Roller Tube Pavers can handle
nearly any concrete paving job. The pavers come in three sizes: 150B (6-inch
diameter tubes), 200C (8-inch tubes), and 255CD (10-inch tubes). The 255CD
can be equipped with a full-width “Gang” vibration system to meet most
vibration specifications, according to Allen. The pendulum vibrators in the
system produce up to 11,000 vpm and can be hydraulically lowered or raised
out of the concrete.
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Metal Forms
Vibratory strike-off truss screeds
Metal Forms says its Speed Screed line of
heavy-duty, lightweight vibratory strike-off truss machines are used in road
building in situations where space or mobilization concerns and costs
preclude the use of larger and more sophisticated machines, including
highway interchanges, ramps, airport taxiways, bridge approaches, and small
bridge decks.
Speed Screed features include reversible “double
life” aluminum finishing tubes, a variable width, self-contained power
source, positive crown control, easy transport, and forward travel by either
hand winches or hydraulic winches.
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Guntert & Zimmerman
Two new machines this year
Guntert & Zimmerman has announced that it will add
two new machines to its line this year, the PS1200 placer/spreader, and the
Eagle 6500SS Side Shift Trencher.
The company describes its new placer/spreader as a
high-production unit that can be transported in a single load less than
12-feet wide. It features a wide receiving conveyor, spreader plow system
and telescopic strike-off for efficient spreading, and enough structural
integrity for spreading widths to 40 feet.
The 6500SS trencher has been purpose-designed for
digging highway edge drains. Its bucket wheel design is enhanced with a
side-shift feature that allows trenching to be done in constricted areas.
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M-B-W
Economical and versatile
M-B-W claims its Slipform Paver offers versatility,
performance, and productivity at a fraction of the cost of bigger machines.
It has a 26.5-horsepower diesel engine, manual and automatic height
controls, and compact size. It can slipform curb and gutter up to 18-inches
high and 48-inches wide. The completely hydrostatic machine can be operated
in two-wheel drive while in curb-only mode, or three-wheel drive in
curb-and-gutter mode. Grade adjustment and steering can be controlled
automatically or manually.
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Terex
Roadbuilding Consolidates Brands
Terex Utilities and Roadbuilding President Chris
Ragot has announced the realignment of Terex Roadbuilding into four groups
offering Terex-branded products for asphalt and concrete producers and
contractors.
All products except for Bid-Well pavers are now
being marketed under the Terex brand name.
The new Asphalt Plant Group includes plants formerly
branded CMI, Cedarapids, and Standard-Havens.
The Concrete Ready Mix Truck and Plant Group
includes trucks and plants formerly branded Advance Mixer and Johnson-Ross.
The Concrete Mobile Equipment Group includes
Bid-Well pavers and the concrete paving products formerly branded as CMI and
Johnson-Ross.
The fourth group manufactures and markets the
company’s landfill compaction products.
RexCon
New texturing and curing machine
RexCon recently expanded its line of concrete paving
products with the introduction of the Texture Cure 2600. The new machine
features 10-foot-long, 16-inch-high tracks with 12-inch grouser pads. The
tracks are powered by a hydrostatic torque drive with integral brakes and
can travel at up to 160 feet per minute in forward or reverse. Four
hydraulically powered grade legs allow 24 inches of vertical adjustment for
curing and tining slabs. The texture rack has adjustable width from 12 to 26
feet and includes a 10-foot tining broom. Longitudinal tining and power
crown are standard features.
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Reprinted from Better Roads Magazine
February 2005 |
