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| Comparative Research of Electromechanical Design Schemes for Highway Tunnels between China and Eastern Europe |
| GAO Yang, CHEN Xiao-ni |
| China highway engineering consults corporation, Beijing 100089, China |
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Abstract This study aims to strengthen the understanding of the electrical and mechanical (E&M) design plans of highway tunnels in Eastern Europe and to create a foundation for Chinese enterprises to open up the market for tunnel E&M installation projects in Eastern Europe. The Bar-Boljare Highway in the Republic of Montenegro is taken as an example to conduct a comparative research on the E&M designs of highway tunnels in China and Eastern Europe. On the basis of tunnel electrical and mechanical facilities covering ventilation, lighting, fire protection, monitoring, communication, and power supply and distribution, the comprehensive comparison focuses on design concept, design scale, design specifications, design parameters, design plan, equipment selection, and other aspects. The research method involves comprehensively comparing and studying the E&M installation work standards in China and East Europe and the Bar-Boljare Highway Project in Montenegro and similar projects in China. The expected conclusion of this study is that the tunnel E&M design concepts in China are mostly similar to those in Eastern Europe, with few differences. The selection of tunnel systems, such as lighting, ventilation, fire protection, monitoring, and other types of E&M facilities, and the layout of evacuation, indication, and other types of safety facility signs predicate the importance attached to tunnels. The E&M designs of tunnels in Eastern Europe are relatively large in scale and have all mechanical types, and the tunnels with a length exceeding 400 m are equipped with a relatively complete set of systems; in China, the same could be said of only category B tunnels or above. Design standards in China are systematic, whereas no unified design system exists in Eastern Europe, with a conspicuous difference noticed among miscellaneous standards. The valuation of design parameters in Eastern Europe is similar to that in China, but the valuation of luminance outside tunnels is more scientific than that in China. The valuation of fire disaster release amount of the ventilation system is also larger in the former. The tunnel fire rescue evacuation and escape-related design considerations in Eastern Europe are, to some extent, redundant but more scientific and humane, whereas they are more economical and reasonable in China. Eastern European tunnels are equipped with domestic undermanned portal railings, and radio and traffic broadcasts. Great differences in design norms exist between the tunnels in Eastern Europe and China. The parameters of fire-related equipment in Eastern Europe are more demanding than those in China, whereas the parameters for some equipment are highly conservative.
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Received: 12 November 2018
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Corresponding Authors:
GAO Yang
E-mail: datum3000@163.com
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2019, Vol. 13 
