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PAVEMENT PRESERVATION TREATMENT CONSTRUCTION GUIDE
CHAPTER 7: SLURRY SEALS
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Chapter 7: Slurry Seals: Media

Unit 1:

Schematic of a Slurry Surfacing Machine

Figure 1: Schematic of a Slurry Surfacing Machine

 

Unit 2:

Micrograph of a Latex/Asphalt Cured Film

Figure 2: Micrograph of a Latex/Asphalt Cured Film

 

Unit 3:

Slurry seal is spooned in a bowl to show proper consistency.

Figure 3: Good Mixture Consistency

Mixer Equipped with Sample Mold  and Rubber Hose Attachment     

Figure 4a: Wet Track Abrasion Test Apparatus and Test in Progress

Orbital Grinding of Sample Using  Rubber Hose Attachment

Figure 4b: Wet Track Abrasion Test Apparatus and Test in Progress

Testing Apparatus     

Figure 5a: Loaded Wheel Test and Excess Asphalt Test Apparatus and Test Samples

Tested Samples Showing Retained Sand

Figure 5b: Loaded Wheel Test and Excess Asphalt Test Apparatus and Test Samples

A chart shows that abrasion decreases as excess asphalt increases.

Figure 6: Determining Optimum Binder Content

 

Unit 4:

No images.

Unit 5:

Slurry Surfacing Machine

Figure 7: Slurry Surfacing Machine

A slurry seal spreader box chained to a paver.

Figure 8: Slurry Seal Box with Augers

A Typical Stockpile and Project Staging Area

Figure 9: A Typical Stockpile and Project Staging Area

Sweeping

Figure 10a: Surface Preparation Methods

Dirty Surface

Figure 10b: Surface Preparation Methods

Utility hole covered with Kraft paper.

Figure 10c: Surface Preparation Methods

Close-up of utility inlet and paper covered with slurry.

Figure 10d: Surface Preparation Methods

A crew member peels off paper cover after curing.

Figure 10e: Surface Preparation Methods

Roofing felt

Figure 10f: Surface Preparation Methods

Chart shows the break rate decreases as temperature increases.

Figure 11: Effect of Temperature on Break Rate

High Quality Longitudinal Joint     

Figure 12a: Longitudinal Joints

Poor Quality Longitudinal Joint

Figure 12b: Longitudinal Joints

High Quality Transverse Joint     

Figure 13a: Transverse Joints

Low Quality Transverse Joint

Figure 13b: Transverse Joints

High Quality Edges and Shoulder     

Figure 14a: Edges and Shoulders

Poor Quality Edges and Shoulder

Figure 14b: Edges and Shoulders

Segregation    

Figure 15a: Poor Mixes

Delamination frm a False Slurry

Figure 15b: Poor Mixes

Washboard Effect

Figure 16: Washboard Effect

Traffic Damage Caused by   Early Trafficking

Figure 17: Traffic Damage Caused by
Early Trafficking

Closeup of damaged slurry seal.

Figure 18: Damage Due to Post-Application
Heavy Rain with Shear

Rolling a Slurry Surface

Figure 19: Rolling a Slurry Surface

Sweeping with a Suction Broom

Figure 20: Sweeping with a Suction Broom

Sanding at a Cross Street

Figure 21: Sanding at a Cross Street