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首页> 美国政府科技报告 >Density of Longitudinal Construction Joints in Asphalt Concrete Pavements: Is There a Problem
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Density of Longitudinal Construction Joints in Asphalt Concrete Pavements: Is There a Problem

机译：沥青混凝土路面纵向施工缝的密度：是否存在问题

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摘要

When placing hot-mix asphalt concrete (HMAC), paving the full width of the pavement in a single pass is usually impossible$ therefore, most bituminous pavements contain longitudinal construction joints. These construction joints can often be inferior to the rest of the pavement and can eventually cause an otherwise sound pavement to deteriorate. The Texas Department of Transportation (TxDOT) specifications do not address compaction in the vicinity of the longitudinal construction joints. For this reason, it is presumed that there is poor compaction in the vicinity of the longitudinal construction joints, resulting in increased permeability, decreased density, and decreased performance of HMAC.

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