Better Roads May 2014 17
The not-for-profit organization known
as Walkway over the Hudson assumed
ownership of the abandoned structure
in 1998 and turned it into a park that
provides public access to the Hudson
River's scenic landscape for pedestrians,
hikers, joggers, bicyclists and people
with disabilities.
The new walking surface is com-
prised of precast concrete panels; panel
installation involved placement over
vertical posts that had been welded
to the bridge's girders and leveling
and aligning the panels with leveling
screws. Space between the panels and
the bridge, as well as openings around
the posts, were filled with a specially
formulated, flowable and fast-setting
grout.
On this project, the closure pour
openings were quite small, measur-
ing approximately 6 inches long by 4
inches wide. The void underneath the
closure pours measured 18 inches wide
and 12 inches high, and the grout
needed to be poured into this small
opening with enough flowability to
fill the entire void underneath. By us-
ing Rapid Set Cement-All pre-blended
grout, in which the sand is pre-mea-
sured, work crews could ensure the
quality required for the job.
The Rapid Set Cement-All grout of-
fered a low-shrinkage, durable material
for the closure pours that obtained the
required strength within three hours.
This article and photos are courtesy of CTS
Cement/Rapid Set Construction Cement.
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