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Seismic Techniques for the Integrated Assessment of Structural Integrity of Concrete Runway  

Joh Sung-Ho (Dept. of Civil Engrg., Chung-Ang Univ.)
Kang Tae-Ho (Dept. of Civil Engrg., Chung-Ang Univ.)
Cho Mi-Ra (Construction and Env. Research Institute, Chung-Ang Univ.)
Suh Young-Chan (Dept. of Civil Engrg., Hanyang Univ.)
Kwon Soo-Ahn (Korea Institute of Construction Technology)
Publication Information
Journal of the Korean Geotechnical Society / v.21, no.4, 2005 , pp. 51-63 More about this Journal
Abstract
Concrete pavement may suffer from material deterioration or structural problems, which lead to surface cracks and deflection of a concrete pavement. Degraded concrete pavement, when it is still under operation, should be recovered by an urgent maintenance to avoid the discontinued service leading to the significant traffic problems and economic loss. Seismic techniques are good tools to assess the structural integrity of concrete runway. It is because seismic techniques can evaluate engineering properties nondestructively and quickly and the evaluation can be extended to subgrade. In this study, a series of numerical simulations of stress-wave propagation were performed to verify feasibility of seismic techniques as an assessment tool. Based on the results of the numerical simulation, a framework of using seismic techniques was presented fur the nondestructive integrated assessment fur structural integrity of concrete runway. And the presented framework was applied to $\bigcirc\bigcirc$ concrete runway with surface cracks, which required urgent maintenance, to identify the causes of the surface cracks. The results obtained from the structural integrity assessment were compared with the measurements of the cores collected from the same runway for verification of the presented framework.
Keywords
concrete pavement;
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