循环荷载作用下植筋黏结性能的研究
RESEARCH ON THE PLANTED BAR BONDING PERFORMANCE UNDER THE CYCLIC LOADING
-
摘要: 化学植筋技术是一种基于混凝土结构的新型后锚固技术,但目前对动力荷载下的植筋受力情况研究较少。综合国内外对化学植筋在静力作用下的黏结机理,对植筋试件在低周循环荷载作用下的黏结性能进行试验研究。通过4个混凝土试件的植筋在低周循环荷载作用下的黏结性能试验,得到植筋的位移-荷载及应变-荷载等滞回曲线、植筋轴向应变及黏结应力曲线等并对此进行分析,得出一些植筋在动荷载作用下黏结性能相关的结论。Abstract: Chemically planted bar in concrete structure is a new style post-embedding technique,but there are few researches for the planted bar stress status under the dynamic load at present. By combining with the chemical bonding mechanism of planted bars under the static force at home and overseas,experimental study on the planted bars specimen adhesive properties was corried out under low cycle load. The displacement-load,strain-load hysteresis curves and the axial strain and bond stress curves of the planted bars through four concrete specimens bond performance tests under low cycle load were got and analyzed,some relative conclusions of the planted bars adhesive properties under the dynamic load were obtained.
-
Key words:
- chemical adhesive planted bar /
- low cycle load /
- hysteresis curve /
- adhesive properties
点击查看大图
计量
- 文章访问数: 130
- HTML全文浏览量: 10
- PDF下载量: 52
- 被引次数: 0