Abstract
In this study, an innovative cellular automata (CA) technique was proposed for mapping cracking pattern of the airport pavement. The CA technique was developed to establish a numerical model describing the effect of boundary condition of pavement on zones (CA cells) within the pavement. A state function was used to describe the state values in the cells within the CA lattice. The correction coefficient principle is used as the criterion of zone similarity and the corresponding technique is proposed to find similar zones within and between pavements. Three pavement models, HRS, MRS and LRS, tested in FAA, USA, are set as the base pavements to map the cracking patterns of pavements with different sizes from the base pavements. The mapped cracking patterns of unseen pavements are empirically verified by referring to the relative experimental models.
Highlights
Three issues on structural engineering have been raised: The first one is about the existing conventional analytical methods
For example, for masonry and reinforced concrete as well as other complex and composite structures, an accurate prediction of structural response/behavior could not be achieved as long as global parameters of structural properties are used; besides, these structures have obvious variation in physics and configuration properties, which is generally treated as random factor
The problem is that these experimental data with error have not been fully used in the current analytical methods and design codes
Summary
Three issues on structural engineering have been raised: The first one is about the existing conventional analytical methods. The problem is that these experimental data with error have not been fully used in the current analytical methods and design codes. These experimental data certainly include some useful information which is not discovered at present. The developed CA technique for mapping the cracking pattern of the pavement is based on two concepts(stiffness corrector and zone similarity) and two criteria (the criterion for matching similar zones within and between pavements and the criterion for mapping/compositing the cracking pattern of a pavement based on the tested cracking pattern of the pavement) It realizes a CA modeling method as well as the corresponding technique for directly mapping the cracking pattern of pavement from the tested results
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