| 南水北调中线工程潮河段隧洞施工通风设计研究 |
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| 引用本文： | 蔡仲银,汪雪英,李惠安,杨维九,王伟,曾桂平. 南水北调中线工程潮河段隧洞施工通风设计研究[J]. 隧道建设, 2009, 29(5): 499-502,509 |
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| 作者姓名： | 蔡仲银 汪雪英 李惠安 杨维九 王伟 曾桂平 |
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| 作者单位： | 黄河勘测规划设计有限公司,郑州,450003 |
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| 摘 要： | 南水北调中线总干渠潮河段隧洞方案为2条平行圆形隧道,隧洞段长18.147 km,净间距26.6 m,设计洞径为12.1 m,采用2台土压平衡盾构机从进、出口相向掘进施工。由于隧洞较长,施工通风比较困难。根据隧洞布置形式、施工方案、主要污染源分析及隧洞施工作业环境的劳动卫生标准,研究计算了洞内需风量和风压,确定了通风方式和风机、风管的技术参数。
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| 关 键 词： | 南水北调中线工程 施工通风 设计风量 设计风压 |
Case Study on Design of Construction Ventilation System of Chaohe Tunnel on Central Route of South to North Water Transfer Project |
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| CAI Zhongyin,WANG Xueying,LI Huian,YANG Weijiu,WANG Wei,ZENG Guiping. Case Study on Design of Construction Ventilation System of Chaohe Tunnel on Central Route of South to North Water Transfer Project[J]. Tunnel Construction, 2009, 29(5): 499-502,509 |
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| Authors: | CAI Zhongyin WANG Xueying LI Huian YANG Weijiu WANG Wei ZENG Guiping |
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| Affiliation: | Yellow River Survey, Plan and Design Institute Co., Ltd., Zhengzhou 450003, China |
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| Abstract: | Chaohe tunnel on Central Route of South to North Water Transfer Project consists of twin parallel circular tubes. The tunnel is 18.147km long. The clear spacing between the twin tubes is 26.6m. The designed diameter of the twin tubes is 12.1m. The twin tubes are to be bored by 4 EPB shield machines from the tunnel portals. Due to the long distance of the tunnel, it is difficult to execute construction ventilation. The required air flow and air pressure are calculated and the required ventilation methods and ventilation parameters are determined on basis of the tunnel layouts, construction methods, major pollution sources and health standards of the working environment in the tunnel. |
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| Keywords: | central route of south to north water transfer project ventilation designed air flow designed air pressure |
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