Most curb is constructed separately from the pavement and the gutter is formed at the joint between the roadway and the curb.
Pavement v gutter.
For curb gutter and curb gutter provide contraction joints at 10 centers max.
As water is the biggest enemy of any pavement these dry curbs will result in poor pavement performance and shorter pavement life.
3 bars 1 6 in length spaced or to construct a 7 depth as shown.
Tie curb and gutter to abutting pcc pavement with no.
W total width of combined curb and gutter v vertical depth of gutter at flow line t vertical drop in gutter from front edge to face of curb d vertical depth of gutter is based on pavement design type in inches w total width in inches t vertical drop 2 2 21 in inches gutter wg width of 6 33 6 39 6 45 33 39 45 8 241 8 301 8 361 3.
For pcc pavements match the gutter depth to the depth of adjacent pcc pavement 6.
6 6 tie bars drilled into existing pavement section a a plan view no.
New curb and gutter surface drains concrete pavement or other new concrete.
To function correctly curb and gutter should always be downslope from the pavement surface so the surface runoff from the pavement will drain into the gutter.
6 tie bars spaced 2 6 c c installed perpendicular to the longitudinal joint maximum drill hole size is 1 8 greater than tie bar diameter 1 contraction joint 6 0 min.
With the manufacturer s recommendations.
Contraction joints adjacent to concrete pavement on tangents and flat curves are to match the pavement joints with intermediate joints not to exceed 10 centers.
For hot bituminous pavement use 7 gutter depth as shown.
Combined curb and gutter also called curb and channel has a concrete curb and gutter cast together in one piece.