大纵坡双洞隧道互补式通风运营测试

王亚琼; 胡彦杰; 邓敏; 夏丰勇; 谢永利

大纵坡双洞隧道互补式通风运营测试

王亚琼^{1, 2,},
胡彦杰^{3, 4},
邓敏^{3, 4},
夏丰勇¹,
谢永利¹

1.
长安大学陕西省公路桥梁与隧道重点实验室, 陕西西安 710064
2.
弗吉尼亚理工大学土木与环境工程系, 弗吉尼亚黑堡 24061
3.
中交第二公路勘察设计研究院有限公司, 湖北武汉 430056
4.
武汉中交交通工程有限责任公司, 湖北武汉 430056

基金项目:

陕西省自然科学基金项目 2014JM7245

中央高校基本科研业务费专项资金项目 2013G1502027

中央高校基本科研业务费专项资金项目 2013G3214011

详细信息

作者简介:
王亚琼(1975-), 男, 安徽太湖人, 长安大学副教授, 工学博士, 从事公路隧道结构与运营安全研究

中图分类号: U453.5
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出版历程
- 收稿日期: 2014-03-20
- 刊出日期: 2014-10-25

Complementary ventilation operational test in large longitudinal slope double-hole tunnel

WANG Ya-qiong^{1, 2
,},
HU Yan-jie^{3, 4},
DENG Min^{3, 4},
XIA Feng-yong¹,
XIE Yong-li¹

1.
Key Laboratory for Highway Bridge and Tunnel of Shaanxi Province, Chang'an University, Xi'an 710064, Shannxi, China
2.
Department of Civil and Environmental Engineering, Virginia Polytechnic Institute and State University, Blacksburg 24061, Virginia, USA
3.
CCCC Second Highway Consultants Co., Ltd., Wuhan 430056, Hubei, China
4.
Wuhan Zhongjiao Traffic Engineering Co., Ltd., Wuhan 430056, Hubei, China

More Information

Author Bio:
WANG Ya-qiong(1975-), male, associate professor, PhD, +86-29-82334445, ys08@gl.chd.edu.cn

摘要

摘要: 为解决大纵坡双洞隧道风量不平衡时, 上坡隧道是否需要设置通风井的技术问题, 以大别山公路隧道为实体工程, 现场检测了互补式网络通风隧道内CO浓度、烟雾浓度和风速, 分析了大纵坡隧道采用的双洞互补式网络通风方式中换气通道的作用和存在的问题。测试结果表明: 互补式网络通风能够满足隧道内污染物浓度控制要求; 2个换气通道能起到气流双向交换的作用, 交换风量满足设计要求, 互补式通风方案可行; 上下行隧道通风负荷不平衡, 对于纵坡较大的特长隧道, 可以采用互补式通风, 取消其上坡隧道的通风井。
- 隧道工程 /
- 互补式通风 /
- 污染物浓度 /
- 隧道风速 /
- 现场检测
Abstract: In order to solve the technical problem that whether ventilation shafts are needed to set up or not in upstream tunnel when the air inflow and outflow are imbalanced in the large longitudinal slope double-hole tunnel, Dabie Mountain Highway Tunnel was selected as an entity engineering for analysis.The CO concentration, visibility index, and air velocity in the complementary network ventilation tunnel were tested on site, and the effect and existing problem of ventilation channel in the double-hole complimentary network ventilation system were analyzed.Test result indicates that the complimentary network ventilation can meet the control criteria of contaminant concentration.Two ventilation channels can play the role of airflow bi-direction exchange, and the exchanged air volume can meet design requirement, therefore, the complementary ventilation plan is feasible.When ventilation loads in upstream and downstream tunnels are imbalanced, the complementary ventilation can be used instead of ventilation shaft in upstream tunnel for large longitudinal slope extra-long tunnel.
- tunnel engineering /
- complementary ventilation /
- contaminant concentration /
- air velocity in tunnel /
- on-site test

HTML全文

图 1 互补式换气通道设置范围

Figure 1. Setting range of complementary ventilation channel

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图 2 互补式通风计算

Figure 2. Complementary ventilation calculation

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图 3 SH-1型光透过率仪

Figure 3. Light transmittance instrument of SH-1type

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图 4 隧道断面测区划分

Figure 4. Test area division of tunnel section

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图 5 隧道内风速测试

Figure 5. Test of tunnel ventilation

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图 6 风速与污染物浓度测试断面

Figure 6. Test sections of wind speed and contaminant concentration

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图 7 平均风速变化

Figure 7. Change of average wind speed

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表 1 各工况下平均风速

Table 1. Average wind speeds under different conditions

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表 2 CO与VI浓度值

Table 2. Concentrations of CO and VI

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表 3 隧道平均风量

Table 3. Average air volumes of tunnel

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表 4 交通量计算结果

Table 4. Calculation result of traffic volume

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参考文献(16)

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大纵坡双洞隧道互补式通风运营测试

作者简介:
王亚琼(1975-), 男, 安徽太湖人, 长安大学副教授, 工学博士, 从事公路隧道结构与运营安全研究

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Complementary ventilation operational test in large longitudinal slope double-hole tunnel

Author Bio:
WANG Ya-qiong(1975-), male, associate professor, PhD, +86-29-82334445, ys08@gl.chd.edu.cn

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留言板

大纵坡双洞隧道互补式通风运营测试

作者简介: 王亚琼(1975-), 男, 安徽太湖人, 长安大学副教授, 工学博士, 从事公路隧道结构与运营安全研究

计量

出版历程

Complementary ventilation operational test in large longitudinal slope double-hole tunnel

Author Bio: WANG Ya-qiong(1975-), male, associate professor, PhD, +86-29-82334445, ys08@gl.chd.edu.cn

计量

出版历程

目录

作者简介:
王亚琼(1975-), 男, 安徽太湖人, 长安大学副教授, 工学博士, 从事公路隧道结构与运营安全研究

Author Bio:
WANG Ya-qiong(1975-), male, associate professor, PhD, +86-29-82334445, ys08@gl.chd.edu.cn