Roadbed lap-joint construction technology for asphalt concrete highway reconstruction and extension
A technology of asphalt concrete and construction technology, applied in the field of highway expansion, can solve problems such as easy cracking of the road surface, insufficient fastening degree, and influence on the integrity of the spliced road surface, etc., and achieve the effect of easy installation, increased stability, and high strength
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[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0026] see figure 1 , the present invention provides a technical solution:
[0027] An asphalt concrete road reconstruction and expansion subgrade lap joint construction process, comprising the following steps:
[0028] S1. Detection of the old subgrade: measure the strength of the old subgrade and the old subgrade base by using the ring knife method or sand filling method to obtain the compaction strength of the old subgrade and the old subgrade base. With ...
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