NUMERICAL INVESTIGATION OF GLASS-FIBER REINFORCED PLASTIC MORTAR PIPES CULVERT RESPONSE TO HEAVY TRUCK LOADS

Authors

  • Huawang Shi Hebei University of Engineering, School of Civil Engineering, Handan, Hebei 056038, China
  • Chencheng Gu Hebei University of Engineering, School of Civil Engineering, Handan, Hebei 056038, China
  • Chongchong Xue Hebei University of Engineering, School of Civil Engineering, Handan, Hebei 056038, China
  • Yancang Li Hebei University of Engineering, School of Civil Engineering, Handan, Hebei 056038, China

DOI:

https://doi.org/10.14311/CEJ.2021.01.0017

Keywords:

GRP mortar pipe culvert, Finite element analysis, Dynamic response, Vibration properties

Abstract

The main objective of this paper is to investigate the dynamic performance and behaviour of glass-fiber reinforced plastic (GRP) mortar pipes under heavy truck loads. According to the field conditions, a finite element dynamic analysis (FEDA) model of GRP pipe culverts was established. Modal analysis of the vibration system was carried out, and the main natural frequencies with 26.6Hz,32Hz,35.7Hz and corresponding mode shapes were obtained. On the basis of modal analysis, dynamic response of GRP pipe culverts under vehicle loads was simulated through random vibration. Based on the measured vibration velocity time histories, the modal and random vibration responses of the vibration system were analyzed. The results show that the spectral response value of pipeline to vehicle load decreases with the increase of buried depth. When the depth of GRP pipe culverts buried is greater than 0.8m, the influence of ground vehicle dynamic loads on the vibration of GRP pipe culverts cannot be taken into consideration. It can provide the basis for the design of GRP pipe culverts, especially under heavy loads.

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Published

2021-04-09

How to Cite

Shi, H., Gu, C., Xue, C., & Li, Y. (2021). NUMERICAL INVESTIGATION OF GLASS-FIBER REINFORCED PLASTIC MORTAR PIPES CULVERT RESPONSE TO HEAVY TRUCK LOADS. Stavební Obzor - Civil Engineering Journal, 30(1). https://doi.org/10.14311/CEJ.2021.01.0017

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