Effective Removal of Pavement Markings (2013) / Chapter Skim
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Pages 13-19
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From page 13... ...
13 This chapter identifies, describes, and evaluates different forms of pavement marking removal as to their ability to remove work zone and permanent pavement markings effectively with minimal damage to the underlying pavement or visible character of the surface course. The removal methods discussed are blasting, grinding, burning, laser, chemical, and masking.
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14 would require a supply vehicle with the aggregate sand, a vehicle with the blasting equipment, and a vehicle with an aggregate and debris collection system. There have been several other aggregate-based blasting methods developed similar to sand blasting.
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15 axis will be placed perpendicular to the travel direction of the removal process and rotated in or against the direction of travel. Figure 5 displays a full-size flailing truck fitted with six drums with flailing heads, as pictured in Figure 4b.
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16 needs to be taken, especially on asphalt, to ensure the burning heads are not left in one place too long or pavement damage may occur. Typically, a second form of removal, vacuum or sweeper, is necessary to remove the burned debris from the roadway.
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17 Table 3. Advantages and disadvantages of pavement marking removal methods.
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18 Removal Method Paint Thermoplastic Epoxy Tape Foil Tape High-Pressure Water Good (Berg and Johnson 2009; Ellis et al.
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19 in excess of 40,000 psi and all of the equipment can be loaded on a mobile platform. These changes have made high-pressure water blasting more competitive with respect to effectiveness and cost versus grinding methods.
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