| 静不定拱在静载荷作用下拱轴轴向缩短的探讨 |
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| 引用本文： | 郝镛,付德润. 静不定拱在静载荷作用下拱轴轴向缩短的探讨[J]. 河北工业科技, 1990, 0(2) |
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| 作者姓名： | 郝镛 付德润 |
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| 作者单位： | 河北机电学院基础部，河北机电学院基础部 |
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| 摘 要： | 本文以“静不定拱在静载荷作用下,拱轴轴向缩短时,沿拱跨方向的相对线变位应等于零”为依据,运用弹性中心法详尽地分析论证了静不定拱在静载荷作用下拱轴轴向缩短对内力的影响。并由此得出了:考虑静不定拱在静载荷作用下拱轴轴向缩短对内力的影响时,唯一正确的公式。
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| 关 键 词： | 静不定拱 轴向缩短 跨度 静载荷 线变位 弹性中心 |
Approach to the Axial Contraction of Arch Axis when Static Indeterminate Arch is under the Action of Static Loads |
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| Hao Yong Fu Derun. Approach to the Axial Contraction of Arch Axis when Static Indeterminate Arch is under the Action of Static Loads[J]. Hebei Journal of Industrial Science & Technology, 1990, 0(2) |
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| Authors: | Hao Yong Fu Derun |
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| Affiliation: | Department of Elemental Courses |
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| Abstract: | Using elastic centre method,this papar in detail analyses and demonstrats that when SIA(static indeteminate arch)is under the action of static loads,how AAC(arch axis contraction) produces effects on its internal force.This result is based on the scientific thesis that the linear displacement in span direction of the arch is zero when SIA is under static loads and arch axis contracts.Then when SIA is under the action or static loads an AAC produces an effect on the internal force,the unigue correct formula is derived on that condition. |
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| Keywords: | statically indeterminate arch axial contraction span static loads linear displacement elastic centre |
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