An Experimental Study of Fire Protection and Control of Low Pressure Water Mist in Highway Tunnel

doi:10.3973/j.issn.2096-4498.2018.S1.012

Tunnel Construction ›› 2018, Vol. 38 ›› Issue (S1): 73-78.DOI: 10.3973/j.issn.2096-4498.2018.S1.012

Previous Articles Next Articles

An Experimental Study of Fire Protection and Control of Low Pressure Water Mist in Highway Tunnel

LI Hao¹, CHEN Xinwen², SHI Xiaolong³, WANG Yaohong³, ZHU Ronghua³, JIANG Wei³

（1. Yunnan Broadvision Engineering Consultants, Kunming 650228, Yunnan, China; 2. Yunnan Zhaohui Expressway Construction Head quarters, Kunming 650200, Yunnan, China; 3. Hefei KDLian Safety Technology Co., Ltd., Hefei 230088, Anhui, China）

Received:2017-05-23 Revised:2018-04-02 Online:2018-06-15 Published:2018-06-19

Abstract

Abstract:

An onsite fire simulation experiment is conducted in Qiujiayakou Tunnel on Zhaohui Highway in Yunnan province to verify the performance of low pressure water mist fire extinguishing system to suppress fire spreading and expending during early fire in tunnel. During the experiment, the temperature and gas fields after low water mist spraying are measured; and fire protection and control performance of low pressure water mist in tunnel fire is studied. The quantitative test data obtained from the fire simulation experiment show that fire flame has been controlled, the temperature field around fire source has been reduced, the concentration of CO reduced rapidly after reaches peak value, and concentration of O2 kept approximately 21% during experiment, which can guarantee the fire safety and evacuation of personnel.

Key words: highway tunnel, low pressure water mist fire extinguishing system, fire

CLC Number:

U 458

LI Hao, CHEN Xinwen, SHI Xiaolong, WANG Yaohong, ZHU Ronghua, JIANG Wei. An Experimental Study of Fire Protection and Control of Low Pressure Water Mist in Highway Tunnel[J]. Tunnel Construction, 2018, 38(S1): 73-78.

[1]	ZHANG Zhenhua, BAI Yonghou, GUO Chun, CHENG Jianghao. Noise Propagation Characteristics of Tunnel Construction by Drilling and Blasting Method [J]. Tunnel Construction, 2020, 40(6): 821-826.
[2]	CHEN Xiaofeng, WANG Xingping, GUO Chun, HAN Yu. Study of New Intermediate Diaphragm Wall in Ventilation Parallel Heading of Zhegushan Extra-long Highway Tunnel [J]. Tunnel Construction, 2020, 40(5): 702-710.
[3]	XIA Pengxi, DUAN Ruyu, WANG Zhuhong, YU Li. Light Transmittance Selection and Photovoltaic Benefit Estimation of Thin Film Photovoltaics Awning for Highway Tunnel [J]. Tunnel Construction, 2020, 40(5): 711-716.
[4]	WANG Famin, SUN Zhenchuan, ZHANG Lianghui, LI Fengyuan, ZHANG Bing, WANG Guo′an. Design of Super-large Diameter Slurry Shield Used in Shantou Bay Tunnel and Construction Countermeasures for Unfavorable Geology [J]. Tunnel Construction, 2020, 40(5): 735-746.
[5]	ZHOU Hongfang. Experimental Study on Crack Resistance Technology of PVA Synthetic Fiber Shotcrete with High Elastic Modulus for Muzhailing Highway Tunnel [J]. Tunnel Construction, 2020, 40(4): 490-495.
[6]	ZHANG Qiuhui, XIA Caichu, FAN Dongfang, HAN Changling. Drainage Design of Highway Tunnel with Permafrost [J]. Tunnel Construction, 2020, 40(3): 404-410.
[7]	WANG Shoushuo, DU Zhigang, WEN Jingzhou， YANG Libo. Study on Driver′s Visual Load in Lowgrade Highway Optical Long Tunnel [J]. Tunnel Construction, 2020, 40(2): 209-214.
[8]	ZHANG Zhipei， HE Yangyang， LIANG Jiangang， REN Jianjun， ZHAO Jun， FU Gangfei. Mechanical Property Analysis of Constructing Tunnel Underlying Inclined Coal Minedout Area [J]. Tunnel Construction, 2019, 39(S2): 8-16.
[9]	HE Zhiyong, ZHONG Hongwu, CHEN Zhenhua. Safety Evaluation and Finite Element Analysis of Tunnel Lining with Cracks [J]. Tunnel Construction, 2019, 39(S2): 69-77.
[10]	DUAN Yuliang, SUN Qiaoyan, WANG Xiaoming, CAO Tianming. Landscape Lighting Design of Highway Tunnel [J]. Tunnel Construction, 2019, 39(S2): 283-293.
[11]	TU Yun, WANG Shaofei, WANG Xiaojun, SHI Lingna, LI Maohua，ZHOU Guangzhen, FU Lijia. Discussion on Quality Upgrading of Highway Tunnels [J]. Tunnel Construction, 2019, 39(S1): 1-9.
[12]	LIANG Bo, PU Junyong, HUANG Youlin, CHEN Hongyang, LIANG Jialin. Study on Spectral and Correlated Color Temperature of Highway Tunnel Illumination Source Based on S/P Value [J]. Tunnel Construction, 2019, 39(S1): 10-15.
[13]	DING Hao, MA Fei, XIA Yangyuyu, LIAO Zhipeng. Analysis of Operational Risk Difference between  Urban Road Tunnel and Highway Tunnel [J]. Tunnel Construction, 2019, 39(S1): 45-49.
[14]	SHEN Yusheng, ZHANG Xi, DU Mingzhe, TANG Langzhou, LIU Dahua. Seismic Resistance/Reduction Measures for Tunnel Portal Section with Thick Deposit under Unsymmetrical Loading [J]. Tunnel Construction, 2019, 39(S1): 65-72.
[15]	CAO Zhengmao, ZHANG Qi, CHEN Jianzhong. Experimental Study of Field Fire Test of Full Jet Longitudinal Smoke Exhaust in a 6km Highway Tunnel [J]. Tunnel Construction, 2019, 39(S1): 94-100.

An Experimental Study of Fire Protection and Control of Low Pressure Water Mist in Highway Tunnel

PDF

Knowledge

Abstract

Cite this article

share this article

References

Related Articles 15

Recommended Articles

Metrics

Comments