Research progress on creep property of glass fiber reinforced polymer anchors

doi:10.19936/j.cnki.2096-8000.20220228.019

Abstract

Abstract: Glass fiber reinforced polymer (GFRP) anchors have excellent mechanical properties compared with traditional reinforced anchors, and have acid-base corrosion resistance that reinforced anchors do not have. Compared with other composite anchors, GFRP anchors have become a potential substitute for reinforced anchors because of their low price and high engineering cost performance ratio. This paper mainly introduces the research results of GFRP anchor in creep test, theoretical analysis and numerical simulation. The creep mechanical model and creep characteristics of GFRP anchor under continuous stress or cyclic load are summarized. The main influencing factors of creep performance of GFRP anchor are summarized. The long-term performance of GFRP anchor and the numerical simulation analysis results of durability based on experimental data are discussed. Finally, the deficiencies in the existing creep performance research of GFRP anchors are analyzed, and reasonable suggestions are put forward for the future development of GFRP anchors in terms of durability and geotechnical anchorage.

Key words: GFRP anchor, creep, durability, mechanical model, numerical simulation, composites

CLC Number:

TB332

JING De-sheng, BAI Xiao-yu, WANG Hai-gang, ZHANG Ming-yi, LI Cui-cui, JIAO Yu-jin, YAN Jun, WANG Zhong-sheng. Research progress on creep property of glass fiber reinforced polymer anchors[J]. COMPOSITES SCIENCE AND ENGINEERING, 2022, 0(2): 119-128.

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