| Impact of Temperature in Air-conditioned Room on Blood Rheological Characteristics |
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| 引用本文： | LONG Tian-yu,LIU La-mei,XU Hua-jian,LI Juan. Impact of Temperature in Air-conditioned Room on Blood Rheological Characteristics[J]. 保鲜与加工, 2007, 0(4): 39-43 |
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| 作者姓名： | LONG Tian-yu LIU La-mei XU Hua-jian LI Juan |
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| 作者单位： | College of Civil Engineering, Chongqing University, Chongqing 400045, China |
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| 摘 要： | Based on the reversed cyclic loading tests of 21 nearly full-size interior joints in completed reinforced concrete frames,the law of bond deterioration of beam bars crossing the joint is tested and analyzed,which is influenced by the axial load ratio,shear-compression ratio,reinforced bar strength,concrete strength and the relative length of beam bars crossing the joint. By the nonlinear fitting method, the formula of the bond stress r between steel crossing interior joints and concrete under different loading step is obtained. According to the loading approach, the propositional formula of the relative length of beam bars crossing the joint hc/d is presented, which is influenced by axial load ratio, shear-compression ratio ,reinforced bar strength and concrete strength.
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| 关 键 词： | reinforced concrete beam- column joints axial load ratio shear-compression ratio bond penetrating length |
| 修稿时间： | 2007-02-15 |
Impact of Temperature in Air-conditioned Room on Blood Rheological Characteristics |
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| LONG Tian-yu,LIU La-mei,XU Hua-jian,LI Juan. Impact of Temperature in Air-conditioned Room on Blood Rheological Characteristics[J]. Storage & Process, 2007, 0(4): 39-43 |
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| Authors: | LONG Tian-yu LIU La-mei XU Hua-jian LI Juan |
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| Affiliation: | College of Civil Engineering, Chongqing University, Chongqing 400045, China |
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| Abstract: | Based on the reversed cyclic loading tests of 21 nearly full-size interior joints in completed reinforced concrete frames,the law of bond deterioration of beam bars crossing the joint is tested and analyzed,which is influenced by the axial load ratio,shear-compression ratio,reinforced bar strength,concrete strength and the relative length of beam bars crossing the joint. By the nonlinear fitting method, the formula of the bond stress r between steel crossing interior joints and concrete under different loading step is obtained. According to the loading approach, the propositional formula of the relative length of beam bars crossing the joint hc/d is presented, which is influenced by axial load ratio, shear-compression ratio ,reinforced bar strength and concrete strength. |
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| Keywords: | reinforced concrete beam- column joints axial load ratio shear-compression ratio bond penetrating length |
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