结果表明，PFWD可用于路基回弹模量的快速检测和评价。
The result shows it is feasible to measure and evaluate subgrade resilience modulus with PFWD.
影响路基回弹模量的因素有多种，主要包括土质类型、压实度和含水量三个方面。
There are many factors to influence subgrade resilient modulus, and the main 3 factors are soil type, compaction degree and moisture content.
同时，存在路基设计指标(回弹模量)与施工控制指标(压实度)不统一的问题。
At the same time, there is not uniform between subgrade design index (subgrade resilient modulus) and construction control index (compaction degree).
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