复合材料科学与工程Issue(2)：49-57,77,10.DOI:10.19936/j.cnki.2096-8000.20260228.007
高温下CFRP筋横向压缩性能试验研究
Transverse compressive mechanical tests of CFRP tendons at elevated temperature
摘要
Abstract
To improve the high temperature resistance of joints in cable roof structures made of carbon fiber re-inforced polymer(CFRP),the CFRP tendon wedge-type anchorage system was studied.Firstly,the glass transition temperature test of CFRP tendons was carried out to obtain the starting and ending temperatures of the glass transi-tion of CFRP tendons(126℃,192℃).Based on this,the target test temperature for the transverse compressive mechanical test at elevated temperature was further worked out.Then,the same two aluminum plates with semicircu-lar grooving were made of A6061-T6 aluminum alloy to simulate the wedge in the anchoring system.By conducting experiments,the transverse compressive mechanical properties and deformation characteristics of CFRP tendons with the influence of aluminum plate are obtained under high temperature.The results can provide data support for the construction of the constitutive model of CFRP tendons under high temperature.By establishing the finite element model corresponding to the test,the average error between the calculated strain value and the strain value obtained by the test is less than 5％,the validity of thermal and mechanical parameters in the finite element model is demon-strated,and the anchorage system model can be further constructed for high-temperature analysis.关键词
碳纤维增强复合材料筋/横向压缩/高温力学性能/锚固系统/有限元模型/折减系数Key words
CFRP tendon/transverse compression/high-temperature mechanical properties/anchorage sys-tem/finite element model/reduction factor分类
通用工业技术引用本文复制引用
王力晨,刘缘园..高温下CFRP筋横向压缩性能试验研究[J].复合材料科学与工程,2026,(2):49-57,77,10.基金项目
国家自然科学基金(52008291) （52008291）
