chapter 3 rigid pavement - DOT On-Line Publications - Department ...

I. Purpose of Trip
To meet with Region, Division, and State engineers to review a
Continuously Reinforced Concrete Pavement (CRCP) d istress prob lem on
Route XX and discuss its rehabilitation alternatives.
II. Scope of Review
A field review was conducted on (date). During the review, the State
provided the Team with available data of the original design. A closeout
meeting with the State engineers was held in the afternoon of (date).
Subsequently, the State provided additional information concerning traffic
data, paving schedules, corrosion surveys, core logs, chlorides studies,
delamination surveys, a Pachometer survey and detailed crack surveys. On
(date), the Team met with the State engineers to inspect the cores and
discuss our recommendations and cunclusions. This report summarizes the
Team's comments and recornnendations.
III. Contacts
State
xxx
FHWA Division Office
xxx
FHWA Region Office
xxx
FHWA Washinqton Offi=
xxx
IV. Backqrourd Information
Route XX is a six-lane, divided 'Interstate facility. The project is
13 miles long and involves the overlay of two Jointed Reinforced Concrete
Pavement (JRCP) 24-foot roadways with an uhjonded &inch Continuously
Reinforced Concrete Pavement (CRCP) and the construction of an additional
12-foot right lane of a g-inch CRCP in each direction. The original dual
lane was cons:ructed in 1952 as U.S. Route XX. The cierlay and outer lane
construction projects were completed in 1974-76.
The original pavement consisted of a g-inch jointed reinforcec concrete
pavement on a 6-inch Type II (crushed aggregate) subbase constructed on
an A-5 silt soil. Transverse joints were sawed at 40.foot spacings. A
l-inch bituminous concrete layer was placed on the orfginal pavement to
3.7.3