| 评估钢管混凝土转换粘结应力试验 |
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| 引用本文： | 张煜,李雪飞,郁雯,熊维. 评估钢管混凝土转换粘结应力试验[J]. 河北建筑工程学院学报, 2004, 22(2): 48-50,62 |
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| 作者姓名： | 张煜 李雪飞 郁雯 熊维 |
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| 作者单位： | 河北建筑工程学院;河北建筑工程学院;河北建筑工程学院;河北建筑工程学院 |
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| 摘 要： | 对钢管混凝土 (CFT)柱中钢与混凝土转换粘结应力的试验进行了分析 ;试验结果用来检验那些可以作为粘结应力的影响因素 ,结果虽显得十分分散 ,但清楚的表明了三个趋势 :矩形CFT柱的粘结应力低于圆形 ;不能明显看出粘结应力与混凝土的强度有关 ;粘结应力随管径和径厚比 (d/t值 )增大而降低 .
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| 关 键 词： | 钢管混凝土 粘结应力 径厚比 滑移 收缩 |
Examination of the Bond Stress Transfer Between Steel and Concrete |
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| Zhang Yu,Li Xuefei,Yu Wen,Xiong wei. Examination of the Bond Stress Transfer Between Steel and Concrete[J]. Journal of Hebei Institute of Architectural Engineering, 2004, 22(2): 48-50,62 |
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| Authors: | Zhang Yu Li Xuefei Yu Wen Xiong wei |
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| Affiliation: | Zhang Yu Li Xuefei Yu Wen Xiong weiHeBei Architecture and Civil Engineering Institute |
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| Abstract: | This paper provides an examination of the bond stres s transfer between steel and concrete in CFT columns. The results of previous e xperiments are examined to determine the factors that may affect the bond stres s capacity. The results show the considerable scatter but three clear trends. Fi rst, rectangular CFT columns have smaller bond stress capacities than ci rcular CFT columns. Second, the bond stress capacity to not appear to be related to the strength of the concrete. Finally, increasing the diameter and th e d/t ratio reduce the bond stress capacity. |
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| Keywords: | CFT (concrete filled tubes) bond stress d/t ratio slip and shrinkage |
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