Pavement Patching Practices (2014) / Chapter Skim
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Pages 48-52
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From page 48... ...
48 This chapter presents the various survey responses related to research needs, and then the overall findings of the synthesis are discussed and summarized. The findings are based on a review of the literature and surveys of state, local, and international roadway agencies.
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49 80% 95% 64% 5% 6% 0% 20% 40% 60% 80% 100% UK/Ireland US Local US State Survey response Yes No Planning to initiate 20% 0% 30% FIGURE 40 Comparison of U.S. state, local, and U.K.
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50 • Several states and ample research support the concept of "doing it right the first time." Making the right repair, however, depends on having the right materials, labor, equipment, traffic control, conditions, and, perhaps most importantly, funding. Research and experience show that the cost-effectiveness and level of service is greatly improved by avoiding the replacement of failed patches.
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51 SHRP, the depth considered for a partial-depth patch has been increased, in some cases from one-third to one-half the depth of the pavement. • The automated patching machine developed under SHRP was never fully adopted as designed.
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From page 52... ...
52 a major impact on budgets and pavement performance. This synthesis summarizes the state of the practice and updates the information available on patching practices to help agencies make informed decisions.
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