Difference of stress distribution, maintaining condition and long age between the concrete lining of road tunnel and permitted qualification of synthetic method of ultrasonic rebound are analyzed, and a principle is put forward that the lining strength sh
Difference of stress distribution, maintaining condition and long age between the concrete lining of road tunnel and permitted qualification of synthetic method of ultrasonic rebound are analyzed, and a principle is put forward that the lining strength sh
摘要对超声回弹综合法的应用条件与隧道衬砌在应力分布、养护环境和长龄期等方面的差异性进行了分析，然后基于隧道衬砌的类别划分，对超声回弹综合法的统一测强公式进行了多种形式的修正研究，优选出了能进行应力、养护环境和长龄期修正的参数公式。