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Abstract
This paper presents a novel, efficient approach for real-time monitoring of the internal and external dynamic response of concrete to vibration during consolidation processes in jointed plain concrete pavements (JPCPs). Experimental tests are conducted by means of a recently developed pavement consolidation simulator, with multiple accelerometers recording the intensity of vibration at different locations. A stereo-vision system composed of high-speed cameras is used to reconstruct the three-dimensional geometry of the specimens in real-time, and determine the intensity of energy propagation, compaction level, air content, and fluidization level during the operations. The results show that the proposed method can effectively describe the attenuation of vibration energy in different directions within the concrete specimens, the consolidation process, and the release of entrapped air. It also indicates that vibration frequency has a more significant impact on concrete consolidation than that of vibration duration. This method can accurately and conveniently reproduce the evolution process of the entire pavement surface information during vibration operations, demonstrating great potential for implementation on construction sites.
Published Version
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