Study of permanent deformation mechanism in asphalt mixes in relation to microcrack growth /
accumulation due to the growth of
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| Format: | Thesis eBook |
| Language: | English |
| Published: |
[Place of publication not identified] :
[publisher not identified] ;
1998.
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| Subjects: | |
| Online Access: | Link to OAKTrust copy |
| Summary: | accumulation due to the growth of accumulation in the process of damaging the sample. amount of permanent strain in the process of repeated besides the plastic strain accumulation. Lytton by Leseur and Little (1997), to calculate linear defined for asphalts used in this study in order to deformation test results and presents the experimental developed a model to account for the permanent strain equations for dissipated pseudo strain energy are evidence of factors other than plastic strain evidence of other factors that are accelerating the further research to specifically confirm the presence hypothesized that pavements accumulate additional indicate that once those threshold values are exceeded laborious process of calculating linear viscoelastic linear loadings due to microcrack growth up to 25 OC and due Lytton's model and the new method of calculating microdamage after 25 []. This thesis uses Lytton's microdamage. This thesis uses a new technic, developed micrographs or some other form of microdamage. He also model to analyze repetitive axial load permanent of micrographs. Threshold values for the parameters of of permanent deformation or rutting in pavements one may expect additional damage to the pavements due permanent deformation accumulation and recommends for Recent developments by Lytton et al. (1998) indicate phics. repeated loading is also a cause for the accumulation step by step process of analysis is also presented in stress by Schapery's process. The theory behind that the growth of micrographs in asphalt layers under This process greatly simplifies the conventional This thesis presents the graphical representation of this thesis. to the combined effect of microgramming and to the growth of micrographs or some other form of viscoelastic stress are extensively discussed, and viscoelastic stress with the help of Fourier series. |
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| Item Description: | "Major subject: Civil Engineering". Vita. |
| Physical Description: | xi, 90 leaves : illustrations ; 28 cm. Also available online. |
| Bibliography: | Includes bibliographical references (leaves 65-68). |