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New approach for calculating permanent deformation in asphalt pavement

本站小编 哈尔滨工业大学/2019-10-23

New approach for calculating permanent deformation in asphalt pavement

TAN Yi-qiu1, CHEN Feng-chen1,2, LIU Hao3, SU Xin2, DONG Ze-jiao1, DONG Yu-ming3

1.School of Traffic Science and Engineering,Harbin Institute of Technology,Harbin 150090,China;2.China Airport Construction Corporation of CAAC,Beijing 100101,China;3.Beijing Municipal Road and Bridge Building Material Group Co.LTD,Beijing 100176,China



Abstract:

A new approach using the Fiber Bragg Grating(FBG)sensor and viscoelastic model to monitor and analyze the internal strain and temperature of asphalt pavement is proposed.Some parameters including peak strain,temperature and loading time were calculated with the application of multi-dimensional sensors group.These parameters were incorporated with viscoelastic model of five units to evaluate the permanent deformation of pavement.An application example was conducted,and the results show that it is feasible to analyze and calculate the permanent deformation of pavement structures with FBG sensors.

Key words:  fiber bragg grating  sensors  permanent deformation  strain  viscoelastic

DOI:10.11916/j.issn.1005-9113.2010.05.021

Clc Number:U416.217

Fund:


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