 |
Overall view of slipform barrier placement. |
| Close-up of "mule" for slipform barrier. |
 |
Finishing the exterior face of slipformed barrier. |
| Looking down on mule showing reinforcing steel clearance. |
 |
Contractor using deck stripping buggy to remove ramp plates from girders on eastbound bridge. |
| Concrete placement on expansion joint blockouts at Pier 6. |
 |
Concrete consolidation is critical beneath the expansion joint finger plates. |
| Removing the overhang jacks along the westbound bridge. |
 |
View along north fascia of the westbound bridge showing overhang jacks to be removed. |
| Conduit in north barrier curb on the westbound bridge. |
 |
Close-up view of sliding expansion coupler in the conduit. |
| Finishing the barrier rail concrete on the westbound bridge. |
 |
Sawing a joint in the barrier curb at pier locations - caution must be used to avoid cutting into the embedded conduit. |
| Steep slopes necessitated the extension of macadam stone limits. |
 |
Looking down (northwest) at the macadam stone extension. |
| Macadam stone extension with erosion stone placed at the lower edge. (Macadam stone is used to control erosion around the abutments of piers). |
 |
Portland cement slurry is used to bond wearing surface to the subdeck. |
| Brooms are used to spread slurry on the subdeck prior to placing the wearing surface. |
 |
A mobile mixer is used to combine rock, sand, cement and water for the wearing surface. |
| Buggy is being loaded at the mobile mixer. |
 |
A Georgia Buggy is used to transport the wearing surface concrete. |
| The wearing surface mix is deposited on the subdeck. |
 |
Shoveling the wearing surface concrete at Pier 1 expansion joint. |
| A vibrating screed is used to strike off wearing surface concrete at the expansion joint. |
 |
Density of the wearing surface concrete is checked with a nuclear gauge. |
| The contractor is finishing wearing surface concrete at the expansion joint. |
 |
The wearing surface concrete is curing with a white latex spray. |
| Wearing surface concrete is cured with wet burlap following the latex spray. |
 |
The wearing surface is sawcut to provide neat lines for placement of the adjacent portion. |
