| 不同内嵌材料加固钢筋混凝土梁抗弯性能试验研究 |
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| 引用本文： | 宋丽娟,梁玉国,张学士. 不同内嵌材料加固钢筋混凝土梁抗弯性能试验研究[J]. 河北机电学院学报, 2014, 0(1): 57-61 |
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| 作者姓名： | 宋丽娟 梁玉国 张学士 |
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| 作者单位： | [1]河北建研科技有限公司,河北石家庄050021 [2]天津大学建筑工程学院,天津300072 [3]河北省建筑科学研究院,河北石家庄050021 [4]河南汇成造价师事务所有限公司,河南濮阳457000 |
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| 摘 要： | 分别对内嵌CFRP板、内嵌CFRP筋、内嵌BFRP筋加固钢筋混凝土梁，以及未加固粱进行静力受弯试验，并对试件承载力、荷载-应变曲线以及试件的裂缝形态进行分析。试验结果表明：内嵌CFRP板比内嵌CFRP筋以及内嵌BFRP筋可以更好地提高梁的抗弯承载力；内嵌CFRP板、内嵌CFRP筋以及内嵌BFRP筋都可以较好的约束裂缝的开展。
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| 关 键 词： | 内嵌CFRP板 内嵌CFRP筋 内嵌BFRP筋 加固 抗弯承载力 裂缝 |
Experimental investigation of flexural behavior of the RC beams strengthened with different near-surface mounted materials |
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| SONG Lijuan,LIANG Yuguo,ZHANG Xueshi. Experimental investigation of flexural behavior of the RC beams strengthened with different near-surface mounted materials[J]. , 2014, 0(1): 57-61 |
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| Authors: | SONG Lijuan LIANG Yuguo ZHANG Xueshi |
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| Affiliation: | 1. Hebei Building Research Technical Company Limited, Shijiazhuang Hebei 050021, China; 2. School of Civil Engineering, Tianjin University,Tianjin 300072 ,China; 3. Hebei Academy of Building Research,Shijiazhuang Hebei 050021 ,China;4. Henan Huicheng Budgeting Specialist Office Company Limited,Puyang Henan 457000, China) |
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| Abstract: | RC beams strengthened with near-surface mounted CFRP plate, CFRP tendon or BFRP tendon, and no-strength- ened RC beams were tested under static bends load. The bearing capacity, load-strain curve and fracture shape of specimens were analyzed. Results show that the beam strengthened with near-surface mounted CFRP plate can better improve the flexural capacity than that strengthened with CFRP tendon and BFRP tendon. The near-surface mounted strengthening materials could inhibit the growth of cracks. |
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| Keywords: | near-surface mounted CFRP plate near-surface mounted CFRP tendon near-surface mounted BFRP tendon strengthening flexural capacity cracks |
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