Probability Distribution of River Ice Compressive Strength Using Normal Information Spread Method

周道成; 段忠东; 姚迪; 黄美兰; 汪振凯

doi:10.13409/j.cnki.jdpme.2010.04.009

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Probability Distribution of River Ice Compressive Strength Using Normal Information Spread Method

更新时间：2025-12-11

- Probability Distribution of River Ice Compressive Strength Using Normal Information Spread Method
- Vol. 30, Issue 4, Pages: 424-430(2010)
- 作者机构：
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- DOI：10.13409/j.cnki.jdpme.2010.04.009
  CLC： V31
- Published：2010
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[1]周道成,段忠东,姚迪,黄美兰,汪振凯.正态信息扩散法在确定河冰抗压强度概率分布中的应用[J].防灾减灾工程学报,2010,30(04):424-430.

周道成, 段忠东, 姚迪, et al. Probability Distribution of River Ice Compressive Strength Using Normal Information Spread Method[J]. 2010, 30(4): 424-430.
[1]周道成,段忠东,姚迪,黄美兰,汪振凯.正态信息扩散法在确定河冰抗压强度概率分布中的应用[J].防灾减灾工程学报,2010,30(04):424-430. DOI： 10.13409/j.cnki.jdpme.2010.04.009.

周道成, 段忠东, 姚迪, et al. Probability Distribution of River Ice Compressive Strength Using Normal Information Spread Method[J]. 2010, 30(4): 424-430. DOI： 10.13409/j.cnki.jdpme.2010.04.009.

摘要

将正态信息扩散法应用于小样本条件下河冰抗压强度概率密度函数的确定

建立了小样本条件下河冰抗压强度概率分布

并结合K-S检验法和河冰抗压强度试验数据

分析了该方法的合理性。结果表明

本文方法可以较好解决小样本情况下河冰抗压强度概率分布的确定问题

正态信息扩散分布更加接近河冰抗压强度的真实分布

并优于经典分布的拟合方法。

Abstract

In order to analyze the probabilistic property of ice load

the probability distribution of the river ice compressive strength is important.The small sample of the river ice compressive strength is common in engineering for reducing the experiment cost

so its probability distribution is determined hardly for its small sample size.The normal information spread method is applied to the determination of the probability distribution of small sample of the compressive strength and the calculating method of its probability distribution is obtained.The method has been verified by K-S test with experimental data of the river ice compressive strength.It is indicated that the probability distribution of small sample of the compressive strength by the method in this paper is closer to real distribution than the distribution by classical calculating method.

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references

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