基于阻力系数法的铁路隧道活塞风速计算理论对比∗

曾艳华

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基于阻力系数法的铁路隧道活塞风速计算理论对比∗

“西部艰险山区重大基础设施防灾减灾关键理论与技术”专题其他论文综述 | 更新时间：2026-01-04

- 基于阻力系数法的铁路隧道活塞风速计算理论对比∗
- Theoretical Comparison of Piston Wind Speed Calculation in Railroad Tunnels based on Drag Coefficient Method
- 防灾减灾工程学报 2023年43卷第1期页码：114-121
- 作者机构：
  
  西南交通大学交通隧道工程教育部重点实验室,四川,成都,610031
- 作者简介：
- 基金信息：
  
  国家自然科学基金(51278426)资助
- DOI：
  中图分类号：
- 纸质出版：2023
- 稿件说明：
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曾艳华. 基于阻力系数法的铁路隧道活塞风速计算理论对比∗[J]. 防灾减灾工程学报, 2023,43(1):114-121.

曾艳华,杨桂畅,陶亮亮,罗明睿.基于阻力系数法的铁路隧道活塞风速计算理论对比∗[J].防灾减灾工程学报,2023,43(1):114-121
曾艳华. 基于阻力系数法的铁路隧道活塞风速计算理论对比∗[J]. 防灾减灾工程学报, 2023,43(1):114-121. DOI：

曾艳华,杨桂畅,陶亮亮,罗明睿.基于阻力系数法的铁路隧道活塞风速计算理论对比∗[J].防灾减灾工程学报,2023,43(1):114-121 DOI：

摘要

活塞风对铁路隧道通风及隧道环境控制(热害和冻害)影响重大，可靠地计算活塞风速大小是解决有关活塞风安全问题的关键。首先修正了《规范》中活塞风作用系数的计算方法，其次对比分析了不同活塞风作用系数计算方法，最后基于数值模拟及现场测试结果，对比测试值、模拟值、不同理论计算值之间的差异。结果表明：定值法与《规范》法的计算结果相近，且这 2 种计算方法得到的活塞风速要远高于其他的计算方法。隧道断面对定值法和《规范》法的计算结果影响不大，但对《规范》修正法影响显著。《规范》修正法及依杰里奇克法得到的计算结果均高于数值模拟及测试结果，依杰里奇克法误差较小(最大不超过 33%)，而《规范》修正法的最大误差高达 65%。

Abstract

Piston wind has a great influence on ventilation and environmental control of railway tunnels (such as heat damage and freezing damage). Therefore， the reliable calculation of piston wind is cru- cial to solve the safety problem associated with piston wind. Firstly， the calculation method of the pis- ton wind action coefficient in the standard was improved. Secondly， different calculation methods of piston wind action coefficients were compared and analyzed. Finally， based on numerical simulation and field test results， the differences between the test data， simulation results， and theoretical calcula- tion values were compared. The results show that the calculation results of the fixed value method are similar to those of the code method， and the piston wind speed obtained by these two calculation meth- ods is much higher than that of other calculation methods. Tunnel cross-section has little effect on the calculation results of the fixed value method and the code method， but has a significant effect on the "code" correction method. The piston wind speed calculated by the "code" correction method and the Абрамовец method are higher than the numerical simulation and test results， but the error of the Абрамовец method is small (the maximum is no more than 33%)， and the maximum error of the "code" correction method is as high as 65%.

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references

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