Implementation benefits of stringless paving
Stringless paving eliminates the need for stringlines, which provides
the following benefits, according to the National Concrete Pavement
Technology Center at Iowa State University's Stringless Portland Cement
Concrete Paving (Project TR-490) research findings:
county roads where the shoulders are limited.
need for sensors, making it easier and faster to cross bridges and
other tight spots.
For more findings from this report, visit intrans.iastate.edu.
it work, Steeves says, extensive paving plans that
detailed all paving passes as well as daily meetings
amongst the paving group to cover new issues
that came up each day and coordinate with other
work being completed. Some of this work included side slopes being ﬁnished; noise wall posts
being drilled, set and concreted in place; noise
wall panels; sharing the same haul road; barriers
being built; curb and gutter work; and drillers for
the sign foundation.
Coordinating the paving plans was easier
because the planning occurred ahead of time in
an ofﬁce instead of on the jobsite. "You get the
design ﬁles brought over – D45 ﬁles, a ﬁle format
similar to a PDF – manipulate them to smooth out
transitions and then work out the vertical curves,"
Steeves says. "When you string point to point, you
end up with a straight line."
However, being able to manipulate a ﬁle in
AUTOCAD and add more points allows a better radius to be developed, he continues. D45
modeling shows the machine operator a steering
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18 January 2014 Better Roads