[1]叶勇,郭子雄,刘阳.考虑螺栓扭矩分布的CFRP筋夹板式锚具极限抗拔力计算方法[J].华侨大学学报(自然科学版),2011,32(5):560-564.[doi:10.11830/ISSN.1000-5013.2011.05.0560]
　YE Yong,GUO Zi-xiong,LIU Yang.Computational Model to Predict the Load-Carrying Capacity of Clamping Anchor for CFRP Rods Considering Torque Distribution[J].Journal of Huaqiao University(Natural Science),2011,32(5):560-564.[doi:10.11830/ISSN.1000-5013.2011.05.0560]
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考虑螺栓扭矩分布的CFRP筋夹板式锚具极限抗拔力计算方法()
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《华侨大学学报（自然科学版）》[ISSN:1000-5013/CN:35-1079/N]

卷:
第32卷
期数:
2011年第5期
页码:
560-564
栏目:
出版日期:
2011-09-20

文章信息/Info

Title:
Computational Model to Predict the Load-Carrying Capacity of Clamping Anchor for CFRP Rods Considering Torque Distribution
文章编号:
1000-5013(2011)05-0560-05
作者:
叶勇; 郭子雄; 刘阳
华侨大学土木工程学院
Author(s):
YE Yong;  GUO Zi-xiong;  LIU Yang
College of Civil Engineering, Huaqiao University, Quanzhou 362021, China
关键词:
碳纤维筋;  夹板式锚具;  高强螺栓;  灰色系统理论;  扭矩
Keywords:
carbon fiber reinforced polymer rod;  clamping anchor;  high-strength bolt;  grey system theory;  torque
分类号:
TU757.2
DOI:
10.11830/ISSN.1000-5013.2011.05.0560
文献标志码:
A
摘要:
利用灰色系统理论,研究碳纤维增强复合材料(CFRP)筋夹板式锚具紧固螺栓扭矩分布对锚固性能影响,对夹板式锚具第1~3排紧固螺栓(加载端-自由端)施加扭矩及总施加扭矩等参数进行关联分析.研究结果表明:第3排螺栓施加扭矩对于试件极限荷载的关联度最高,其后依次为总施加扭矩、第2排螺栓施加扭矩和第1排螺栓施加扭矩.最后,基于分析结果建立考虑螺栓扭矩分布的CFRP筋夹板式锚具极限抗拔力计算模型,回归出相关系数,计算结果与试验结果吻合良好.
Abstract:
Grey correlation analysis was conducted to study the performance-influence parameters of the clamping anchor for CFRP(carbon fiber reinforced polymer) rods.The two parameters were taken into consideration: the individual torque applied to the bolts(from loaded end to free end) and the total torque.Based on analytical results,the sequence from the high correlation of ultimate load to low correlation is: the individual torque applied to the third row of bolts,the total torque,the torque applied to the second row of bolts and the first row of bolts.A model considering the distribution of torque is established to predict the load-carrying capacity of the clamping anchor,the parameters were also regressed,the analytical results agree well with the test ones.

参考文献/References:

[1] CAROLINA. Carbon fibre reinforced polymers for strengthening of structural elements [D]. Lulea:Lulea University of Technology, 2003.
[2] MAHMOUD M, REDA T, NIGEL G S. New concrete anchors for carbon fiber reinforced polymer post-tensioning tendons(part 2):Development/experimental investigation [J]. ACI Structural Journal, 2003(1):96-104.
[3] 蒋田勇, 方志. CFRP预应力筋夹片式锚具的试验研究 [J]. 土木工程学报, 2008(2):60-69.doi:10.3321/j.issn:1000-131X.2008.02.010.
[4] 叶勇, 郭子雄. CFRP筋预应力锚具受力性能试验 [J]. 华侨大学学报(自然科学版), 2011(2):198-202.
[5] 邓聚龙. 灰理论基础 [M]. 武汉:华中科技大学出版社, 2002.
[6] 林煌, 郭子雄. SRC柱抗剪承载力影响参数的灰色关联分析 [J]. 华侨大学学报(自然科学版), 2008(2):294-298.

备注/Memo

备注/Memo:
国家自然科学基金资助项目(51006133); 福建省厦门市科技计划项目(3502Z20093029)
更新日期/Last Update: 2014-03-23