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Project Selection Guidance for Cold In-Place Recycled Pavements [Brief]
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2023-07-01
[PDF-207.41 KB]
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Abstract:Proper project selection is an important step in ensuring the success of a cold in-place recycling (CIR) project. As of 2023, CIR has been successfully used in Iowa for more than 30 years. However, it is important to first decide whether CIR is the correct solution for a given pavement project because of its limited effectiveness on roads with heavy traffic and poor pavement support. After a decision is made to consider CIR, the selection of proper materials and processes is also important. This document summarizes guidance on selecting and designing projects for CIR in Iowa based on research and typical practices in the state as well as national and international research.
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