Figure 11-47.-Overlapping sections.Figure 11-48.—Banked curve rolling sequence.placement of riprap, soil cement, asphalt stabilization,mat being laid. This optimum temperature should rangeand so forth.between 225°F to 285°F.Rollers designed for bituminous operations areBITUMINOUS ROLLINGequipped with sprinklers that spray water on the smoothMost of the compaction required in bituminoustires and drums. When you are rolling bituminousconstruction is achieved by the tamper on the asphaltmaterials, the roller tires and drums must be moist withpaver. Additional compaction and final surface texturewater to keep the bituminous materials from sticking.are achieved by applying the rollers in the properWhen water is not enough to keep the bituminoussequence. The hot mix should be at its optimum temper-material from sticking, a non-foaming detergent isature for rolling when the rollers start to operate on theadded to the water until the water has a soapy feeling.11-25
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