Journal of Glaciology and Geocryology

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Analysis on spatial distribution and correlation of pavement distress along the Xinjiang-Tibet Highway

Mingtang CHAI, Teng MA, Guoyu LI, Fujun NIU, Dun CHEN, Qingsong DU, Shunshun QI, Yu ZHOU, Yapeng CAO

Journal of Glaciology and Geocryology, 2022, 44(6): 1681-1693. DOI: 10.7522/j.issn.1000-0240.2022.0148

Fig. 1 Location of the Xingjiang-Tibet Highway

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Fig. 2 Technical flowchart
Fig. 3 Distribution of pavement damages along the Xinjiang-Tibet Highway （Yecheng-Gaer）
Fig. 4 Distribution of pavement damages along the Xinjiang-Tibet Highway （Gaer-Saga）
Fig. 5 Distribution of distress ratio along the Xinjiang-Tibet Highway （Yecheng-Gaer）
Fig. 6 Distribution of distress ratio along the Xinjiang-Tibet Highway （Gaer-Saga）
Fig. 7 Percentage of occurrence ratio in each pavement damage
Fig. 8 Correlation matrix diagram of each pavement damage
Fig. 9 Relationship of transverse cracking， longitudinal cracking and alligator cracking （m·km^-1 means the influence length of pavement damage on each kilometer， the same as follows）
Fig. 10 Relationship of crackings， alligator and settlement
Fig. 11 Relationship of block cracking， alligator cracking， settlement and patching
Fig. 12 Relationship of ground surface temperature， transverse cracking and longitudinal cracking with the best pavement condition ［the no damage in legend means there is no transverse cracking and not longitudinal cracking but has other damages in （a） and （b）， respectively， the same as follows］
Fig. 13 Relationship of ground surface temperature， transverse cracking and block cracking with a better pavement condition
Fig. 14 Relationship of ground surface temperature， transverse cracking and longitudinal cracking with a worse pavement condition
Fig. 15 Relationship of ground surface temperature and transverse cracking with the best and worse pavement condition
Fig. 16 Relationship of ground surface temperature， transverse cracking， longitudinal cracking and alligator cracking with a better pavement condition
Fig. 17 Relationship of vegetation index and pavement damages with the best and worst pavement condition
Fig. 18 Development process of pavement damages ［new pavement （a）； transverse cracking （b）； longitudinal cracking （c）； d-block cracking（A）， alligator cracking （B） and patching （C）（d）］

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