Asphalt Jointless Paving Explained: Highway Paving with 4 Pavers in Echelon
Автор: All Roads Construction Ltd.
Загружено: 2025-08-21
Просмотров: 351
What is cold joint in asphalt paving?
One of the most important specifications for highway paving is to avoid cold joints. A cold joint forms when asphalt from one paving pass cools before the next pass is laid alongside it. This happens when a single paver lays one lane, then returns later to pave the adjacent lane. By that time, the edge of the first pass has cooled, making it harder to bond with the new hot asphalt. Over time, these joints can become weak spots, leading to cracks and reduced pavement life.
To solve this, we use multiple pavers in echelon formation. This means several pavers work side-by-side, laying fresh asphalt in unison. The hot edges bond seamlessly, creating one continuous, jointless pavement — no matter how wide the roadway. The result is a stronger, smoother surface that lasts longer and requires less maintenance.
https://www.allroadsconstruction.com
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