大型地下互通式立交隧道通風(fēng)系統(tǒng)研究
[Abstract]:With the rapid development of urban highway traffic in China, large underground interchange tunnels continue to emerge. The large underground interchange tunnel has the functions of relieving the ground traffic pressure, reducing the ground traffic congestion, ensuring the urban traffic quickness and improving the urban environment. However, with the increase of the number, length, scale and form of underground interchange branch, the design of ventilation system has become an important problem that must be studied in the construction and safe operation of underground interchange tunnel. This paper first introduces the form, type and related design parameters of underground interchange. Secondly, based on the theory of network ventilation, combined with the characteristics of highway tunnel ventilation, The ventilation design problems of large underground interchange tunnel are studied, and the ventilation network calculation model of large underground interchange tunnel is established. Thirdly, the ventilation system design software of large underground interchange tunnel is developed. The software can calculate the ventilation of large underground interchange tunnel in various complicated forms. Finally, based on a large underground interchange project, the ventilation calculation and dynamic configuration are carried out by using the ventilation software system. The resulting ventilation system configuration meets the operational ventilation requirements. The research in this paper provides a systematic method and convenient calculation method for the ventilation system design of large underground interchange, and provides technical support for the design and operation ventilation system control of underground interchange ventilation system.
【學(xué)位授予單位】:長安大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2014
【分類號】:U453.5;U459.2
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