Dissertation > Transportation > Road transport > Road works > Roadbed, pavement engineering > Pavement Engineering > Road : use of the material points > Asphalt Pavement

The Application of Polyurethane Injecting Method in the Asphalt Pavement Structure and the Anlysis of the Motion Response of This Application

Author MaXiaoYue
Tutor ShiMingSheng
School Zhengzhou University
Course Geotechnical Engineering
Keywords Polymer Grouting Technology Asphalt Pavement Structure Dynamic Response
CLC U416.217
Type Master's thesis
Year 2009
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Polymer Grouting Technology in highway maintenance at home and abroad has been made in good engineering people falling weight deflectometer (FWD) , dynamic simulation and rigid semi- rigid asphalt pavement structure in dynamic loads Dynamic response analysis has a certain amount of research , but little research evaluation and engineering effects polymer Grouting asphalt pavement structural dynamic response . This article is around these introduced polymer grouting technology, and polymer materials , physical and mechanical properties , select the appropriate polymer computing model , respectively, in the two-dimensional and three-dimensional finite element model to analyze the grouting the dynamic response of the asphalt pavement structure , and the use of detection and ground penetrating radar on FWD two nondestructive testing technology polymer Grouting asphalt pavement structure effect evaluation , the main contents of this paper include : ( 1 ) asphalt Pavement structure common diseases and the traditional repair methods to generalize , to point out the deficiencies of the traditional methods , through the introduction of reinforcement principles , grouting steps and processes of the various properties of the polymer grouting materials and polymer grouting technology at home and abroad application instance , road maintenance and analyze the advantages of polymer grouting asphalt pavement structure maintenance . (2) through the analysis of various polymer materials indoor test results , select the appropriate finite element model and analysis parameters , and to provide the conditions for analysis using ANSYS . ( 3 ) detailed the pavement structural dynamics numerical analysis of the basic theory and FWD works and the dynamic response analysis using ANSYS finite element analysis software , FWD under dynamic load response before grouting asphalt pavement structure for analysis polymer grouting asphalt pavement structure based on dynamic response . (4) using ANSYS finite element analysis software , finite element analysis on the dynamic response of asphalt pavement structure FWD dynamic Polymer Grouting calculate the surface layer modulus , the thickness of the surface layer , the foundation modulus and subgrade modulus load at the center point deflection and the top of the polymer layer parties up stress . ( 5 ) through the introduction of FWD and ground-penetrating radar works , before and after contrast polymer grouting asphalt pavement structure test results , and then get these two non-destructive detection of the the grouting effect evaluation of asphalt pavement structure is feasible .

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