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From page 17... ... For AC pavements, the following six M&R treatments were used by less than 15% of agencies that had AC pavements on at least one facility: spray patching, texturization using fine milling, microsurfacing, hot and cold in-place recycling, and PCC overlay. For PCC pavements, the following four M&R treatments were used by less than 15% of the agencies: load transfer restoration treatments using sub-sealing and slab stitching, full-depth repairs using precast panels, and microsurfacing. Read the entire page →
From page 18... ... 30 23 52 23 59 18 Surface treatment 15 18 43 6 81 13 Slurry seal 23 25 48 10 75 15 Microsurfacing 2 9 11 25 75 0 Hot-mix overlay 45 23 68 48 48 4 Milling and hot-mix overlay 45 18 64 58 42 0 Hot in-place recycling 5 2 7 N/A N/A N/A Cold in-place recycling 2 0 2 N/A N/A N/A Whitetopping (PCC overlay) 7 7 14 60 20 20 Notes: Treatments traditionally considered preventive maintenance treatments are in italics. Read the entire page →
From page 19... ... 0 20 40 60 80 Facility type Pe rc en ta ge o f r es po nd en ts Only AC Only PCC AC & PCC All facilities Runways only TABLE 4 PAVEMENT PRESERVATION TREATMENTS FOR PORTLAND CEMENT CONCRETE PAVEMENTS FIGURE 11 Distribution of pavement types. Survey Result, % Usage Performance Treatment Type R ou tin e H av e Tr ie d To ta l V er y G oo d G oo d Po o r bituminous sealant 29 15 44 13 80 7 silicone sealant 39 22 61 29 71 0 Joint/crack sealing with neoprene seal 7 22 29 36 36 27 sub-sealing and slab jacking 2 5 7 N/A N/A N/A slab stitching 2 5 7 N/A N/A N/A Load transfer restoration dowel retrofit 12 5 17 60 40 0 PCC 34 15 49 28 67 6 AC 29 20 49 18 65 18 Shallow patch repair using proprietary mix 17 17 34 42 42 17 PCC 46 15 61 47 47 6 AC 20 39 59 31 54 15 proprietary mix 7 17 24 30 50 20 Full and partial depth repairs or slab replacement using precast panels 2 2 5 N/A N/A N/A Machine patching with AC 5 12 17 33 50 17 Diamond grinding 5 34 39 21 79 0 Controlled shot blasting 0 15 15 0 80 20 Microsurfacing 0 5 5 N/A N/A N/A AC overlay 10 27 37 36 64 0 Bonded PCC overlay (whitetopping) Read the entire page →
From page 20... ... Full-depth repairs (using AC, PCC, or proprietary materials) Machine patching using hot mix Slab stabilization and slabjacking Load transfer Crack and joint stitching Hot-mix overlays Bonded PCC overlay 3 treatments 12 treatments 9 treatments FIGURE 12 Performance of materials used for shallow patch repairs of PCC slabs. Read the entire page →

From page 17...

... For AC pavements, the following six M&R treatments were used by less than 15% of agencies that had AC pavements on at least one facility: spray patching, texturization using fine milling, microsurfacing, hot and cold in-place recycling, and PCC overlay. For PCC pavements, the following four M&R treatments were used by less than 15% of the agencies: load transfer restoration treatments using sub-sealing and slab stitching, full-depth repairs using precast panels, and microsurfacing.

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From page 18...

... 30 23 52 23 59 18 Surface treatment 15 18 43 6 81 13 Slurry seal 23 25 48 10 75 15 Microsurfacing 2 9 11 25 75 0 Hot-mix overlay 45 23 68 48 48 4 Milling and hot-mix overlay 45 18 64 58 42 0 Hot in-place recycling 5 2 7 N/A N/A N/A Cold in-place recycling 2 0 2 N/A N/A N/A Whitetopping (PCC overlay) 7 7 14 60 20 20 Notes: Treatments traditionally considered preventive maintenance treatments are in italics.

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From page 19...

... 0 20 40 60 80 Facility type Pe rc en ta ge o f r es po nd en ts Only AC Only PCC AC & PCC All facilities Runways only TABLE 4 PAVEMENT PRESERVATION TREATMENTS FOR PORTLAND CEMENT CONCRETE PAVEMENTS FIGURE 11 Distribution of pavement types. Survey Result, % Usage Performance Treatment Type R ou tin e H av e Tr ie d To ta l V er y G oo d G oo d Po o r bituminous sealant 29 15 44 13 80 7 silicone sealant 39 22 61 29 71 0 Joint/crack sealing with neoprene seal 7 22 29 36 36 27 sub-sealing and slab jacking 2 5 7 N/A N/A N/A slab stitching 2 5 7 N/A N/A N/A Load transfer restoration dowel retrofit 12 5 17 60 40 0 PCC 34 15 49 28 67 6 AC 29 20 49 18 65 18 Shallow patch repair using proprietary mix 17 17 34 42 42 17 PCC 46 15 61 47 47 6 AC 20 39 59 31 54 15 proprietary mix 7 17 24 30 50 20 Full and partial depth repairs or slab replacement using precast panels 2 2 5 N/A N/A N/A Machine patching with AC 5 12 17 33 50 17 Diamond grinding 5 34 39 21 79 0 Controlled shot blasting 0 15 15 0 80 20 Microsurfacing 0 5 5 N/A N/A N/A AC overlay 10 27 37 36 64 0 Bonded PCC overlay (whitetopping)

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From page 20...

... Full-depth repairs (using AC, PCC, or proprietary materials) Machine patching using hot mix Slab stabilization and slabjacking Load transfer Crack and joint stitching Hot-mix overlays Bonded PCC overlay 3 treatments 12 treatments 9 treatments FIGURE 12 Performance of materials used for shallow patch repairs of PCC slabs.

Read the entire page →

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