| 均布荷载作用下连续梁的跨差与弯矩的变化关系探讨 |
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| 引用本文： | 张生瑞.均布荷载作用下连续梁的跨差与弯矩的变化关系探讨[J].湖南工程学院学报(自然科学版),2006,16(4):87-91. |
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| 作者姓名： | 张生瑞 |
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| 作者单位： | 福建水利电力职业技术学院,水利系,福建,永安,366000 |
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| 摘 要： | 在设计中当等截面连续梁的计算跨度相差不超过10%时,可用等跨的图表来进行内力计算.针对这一问题,对于均布荷载作用的情况,采用弹性理论计算方法,对跨差达到20%范围内的弯矩进行分析,并结合可变荷载与永久荷载比值的范围,用计算数据说明,正截面设计中可在更大的范围内采用等跨的图表进行计算.
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| 关 键 词： | 连续梁 均布荷载 计算跨度 弯矩 误差 |
| 文章编号： | 1671-119X（2006）04-0087-05 |
| 收稿时间： | 2006-06-05 |
| 修稿时间： | 2006-06-05 |
On Connection of Variance Between Span D-value and Moment of Continuous Beam Under Uniformly-distributed Load |
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| ZHANG Sheng-rui.On Connection of Variance Between Span D-value and Moment of Continuous Beam Under Uniformly-distributed Load[J].Journal of Hunan Institute of Engineering(Natural Science Edition),2006,16(4):87-91. |
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| Authors: | ZHANG Sheng-rui |
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| Institution: | Fujian College of Water Conservancy and Electric Engineering, Yongan 366000, China |
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| Abstract: | When actual span D-value of equal section continuous beam in designs is less 10%,equal span chart is employed to calculate internal force.Under uniformly-distributed load circumstances,the calculating method of elasticity theory is used to analyze the moment whose span D-value reaches 20%.Within the rate range of live load,constant load and calculation data illustrate that equal span chart can be used in normal section design within a greater scope. |
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| Keywords: | continuous beam uniformly-distributed load actual span moment error |
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