| T梁截面效率指标精确计算分析 |
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| 引用本文： | 洪庚. T梁截面效率指标精确计算分析[J]. 交通科技与经济, 2010, 12(2): 76-78 |
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| 作者姓名： | 洪庚 |
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| 作者单位： | 黑龙江龙航工程总承包有限责任公司,黑龙江,哈尔滨,150050 |
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| 摘 要： | 为准确计算翼板湿接T梁的截面效率指标，以便正确拟定预应力混凝土T梁横截面尺寸，根据截面效率指标的力学定义，指出其在工程中的物理意义。分析在翼板湿接T形截面情况下，现行截面效率指标计算方法存在的缺陷，提出精确计算方法。结合实例对比分析精确算法和原有算法所得截面效率指标的差异，计算分析T形截面尺寸变化对原计算方法误差的影响程度。得出原有计算方法概念上不够准确、结果上存在误差的结论，并提出重新界定截面效率指标合理范围的建议。
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| 关 键 词： | 湿接 截面效率指标 横截面 截面核心 核心距 |
Research of Computation Method for Section Efficiency Index of T Beam |
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| HONG Geng. Research of Computation Method for Section Efficiency Index of T Beam[J]. Technology & Economy in Areas of Communications, 2010, 12(2): 76-78 |
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| Authors: | HONG Geng |
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| Affiliation: | Heilongjiang Longhang Preject Main Contract Ltd./a>;Harbin 150050/a>;China |
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| Abstract: | To calculate section efficiency index of T beam with wet joint web plate so that the drafted section size of PC T beam can be decided correctly,this paper expresses the methanic meaning and physical meaning of section efficiency index in application,analyzes the defects in existing computation method and puts forward a kind of new computation method to make the computation results correct.In the other hand,this paper also analyzes the results' differences of two computation method for wet joint web plate se... |
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| Keywords: | wet joint section efficient index drafted section section core distance of section cores |
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