Study of dynamic hydraulic pressure measurement on asphalt pavement using fiber-optic Sensing

GAO Jun-qi1; CHEN Hao1; JI Tian-jian1; LIU Hong-yue3

doi:10.13873/j.1000-97872009.09.025

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Study of dynamic hydraulic pressure measurement on asphalt pavement using fiber-optic Sensing

更新时间：2025-09-11

- Study of dynamic hydraulic pressure measurement on asphalt pavement using fiber-optic Sensing
- Vol. 28, Issue 9, Pages: 59-61(2009)
- 作者机构：
  
  1. 南京航空航天大学土木工程系
  2. 重庆交通大学山区道路建设与维护技术重庆市重点实验室
  3. 南京航空航天大学智能材料与结构航空科技重点实验室
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872009.09.025
  CLC： TP274
- Published：2009
- 稿件说明：
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[1]高俊启,陈昊,季天剑,刘宏月.沥青路面动水压力光纤传感测量研究[J].传感器与微系统,2009,28(09):59-61.

GAO Jun-qi1, CHEN Hao1, JI Tian-jian1, et al. Study of dynamic hydraulic pressure measurement on asphalt pavement using fiber-optic Sensing[J]. 2009, 28(9): 59-61.
[1]高俊启,陈昊,季天剑,刘宏月.沥青路面动水压力光纤传感测量研究[J].传感器与微系统,2009,28(09):59-61. DOI： 10.13873/j.1000-97872009.09.025.

GAO Jun-qi1, CHEN Hao1, JI Tian-jian1, et al. Study of dynamic hydraulic pressure measurement on asphalt pavement using fiber-optic Sensing[J]. 2009, 28(9): 59-61. DOI： 10.13873/j.1000-97872009.09.025.

摘要

基于光纤Bragg光栅（FBG）传感原理

设计了一种动水压力光纤传感器

介绍了其压力传感原理

并推导了该传感器波长漂移与压力之间的关系。通过室内试验

对动水压力光纤传感器进行了标定

传感器的压力灵敏度为6.0255 nm/MPa。现场测量试验表明:在车辆以20

0 km/h的速度行驶时

动水压力作用时间在0.04

.016 s。随着车速增加

动水压力存在时间越短。动水压力数值随着车速的增大而增加

车速为20 km/h时

动水压力为0.085 MPa;80 km/h时

动水压力达到0.234 MPa。

Abstract

A fiber-optic dynamic hydraulic pressure sensor（FODHPS）is designed based on the principle of fiber Bragg grating（FBG）sensing

and its pressure sensing principle is presented.The theoretical correlation between the applied pressure and the center wavelength shift of the FODHPS is derived.Before the field test

a calibration test for FODHPS is implemented

and the pressure sensitivity coefficient of FODHPS is 6.0255nm/MPa.Measurement results show when a car moves at the speed of 20

0km/h

the duration of the dynamic hydraulic pressure is 0.04

.016s.The time presence of dynamic hydraulic pressure would decrease with the increment of car’s speed.The dynamic hydraulic pressure in asphalt pavement is 0.085MPa wh

ile a car moves at the speed of 20km/h;the dynamic hydraulic pressure in asphalt pavement is 0.234MPa while a car moves at the speed of 80km/h.

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references

动水压力的形成与模拟测量 [J]. 李少波,张宏超,孙立军. 同济大学学报(自然科学版) . 2007(07)

沥青路面结构行为理论[M]. 人民交通出版社 , 孙立军等著, 2005

测量系统应用与设计[M]. 科学出版社 , (美)多贝林（Doebelin,E.O.）著, 1991

Transverse Pavement Grooving against Hydroplaning. II: Design [J] . T. F. Fwa,G. P. Ong. Journal of Transportation Engineering . 2006 (6)

Fiber-optic Bragg grating sensors for bridge monitoring [J] . R. Maaskant,T. Alavie,R.M. Measures,G. Tadros,S.H. Rizkalla,A. Guha-Thakurta. Cement and Concrete Composites . 1997 (1)

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