| Issue |
MATEC Web of Conferences
Volume 31, 2015
2015 7th International Conference on Mechanical and Electronics Engineering (ICMEE 2015)
|
|
|---|---|---|
| Article Number | 12006 | |
| Number of page(s) | 8 | |
| Section | Concrete structure and technology | |
| DOI | https://doi.org/10.1051/matecconf/20153112006 | |
| Published online | 23 November 2015 | |
Pavement structure mechanics response of flexible on semi-flexible overlay that based on the old cement concrete pavement damage
China academy of transportation sciences, Beijing, 100021
The old cement pavement damage status directly affect the design of the paving renovation. Based on the state of the old road investigation, combined with the research data at home and abroad, use the control index that average deflection, deflection value and CBR value to determine the reasonable time to overlay. Draw up the typical pavement structure according to the principle of combination of old cement pavement overlay structure design, and calculated that the tensile stress and shear stress in asphalt layer ,semi-flexible layer and the tensile in the old cement pavement adopting BISA3.0 statics finite element analysis model when modulus in the old road was diminishing. Use the computed result to analyses the influence of old road damage condition the influence of pavement structure.
© Owned by the authors, published by EDP Sciences, 2015
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