|本期目录/Table of Contents|

[1]金斯科,龚延风,张广丽,等.顶部开口的城市浅埋公路隧道内气压脉动特性及分布规律[J].南京工业大学学报(自然科学版),2017,39(01):145-152.[doi:10.3969/j.issn.1671-7627.2017.01.023]
 JIN Sike,GONG Yanfeng,ZHANG Guangli.Pressure wave pulsation behavior and distribution pattern of shallowly buried urban road tunnels with top openings[J].Journal of NANJING TECH UNIVERSITY(NATURAL SCIENCE EDITION),2017,39(01):145-152.[doi:10.3969/j.issn.1671-7627.2017.01.023]
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顶部开口的城市浅埋公路隧道内气压脉动特性及分布规律()
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《南京工业大学学报(自然科学版)》[ISSN:1671-7627/CN:32-1670/N]

卷:
39
期数:
2017年01期
页码:
145-152
栏目:
出版日期:
2017-01-21

文章信息/Info

Title:
Pressure wave pulsation behavior and distribution pattern of shallowly buried urban road tunnels with top openings
文章编号:
1671-7627(2017)01-0145-08
作者:
金斯科12龚延风13张广丽1Symbol`@@
1. 南京工业大学 城市建设学院,江苏 南京 210009; 2. 台州职业技术学院 建筑工程学院,浙江 台州 318000; 3. 绿色建筑工程技术研究中心,江苏 南京 210009
Author(s):
JIN Sike12GONG Yanfeng 13ZHANG Guangli 1
1. College of Urban Construction,Nanjing Tech University,Nanjing 210009,China; 2. Architecture and Civil Engineering Institute,Taizhou Vocational & Technical College,Taizhou 318000,China; 3. Green Building Research Center,Nanjing 210009,China
关键词:
公路 隧道 顶部开口 压力 脉动 分布规律
Keywords:
road tunnle top opening pressure pulsation behavior distribution pattern
分类号:
U451+.3
DOI:
10.3969/j.issn.1671-7627.2017.01.023
文献标志码:
A
摘要:
顶部开口的城市浅埋公路隧道是一项绿色节能技术,南京已经建成4条此类隧道。自运营以来,隧道内空气环境质量得到了广泛好评,但是尚未形成规律性的设计方法。基于1:10的实验平台,测试了4种工况下隧道内部的气压脉动及分布。结果表明:在均匀连续的车流下,隧道内各点的逐时压力表现为周期不对称的类正弦脉动。气压脉动的振幅随高度增加而降低。在均匀连续车流下的某一个固定时刻,公路隧道内沿长度方向的压力也呈现周期性的脉动分布。在顶部开口附近,周期性的气压脉动依然存在,但振幅出现衰减。
Abstract:
Shallowly buried urban tunnels with top opening are a type of green technique that saves energy.Four such tunnels have been built in Nanjing.The in-tunnel air quality has obtained extensive appraises since their being put into operation,but no regular design procedures has ever been developed.Based on a 1:10 scale experimental platform,pressure pulsation and distribution in the tunnel were tested for 4 different working conditions.Results suggested that with a steady and continuous traffic flow,the time-wise pressure at each point in the tunnel was characterized by periodical and asymmetrical sinusoid-like pulsation.The amplitude of pressure pulsation decreased with increasing height.At a given moment with a steady and continuous traffic flow,the lengthwise pressure in the tunnel also displayed a periodical pulsation distribution pattern. It still existed periodical pressure pulsation with an attenuated amplitude in the vicinity of the top opening.

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备注/Memo

备注/Memo:
收稿日期:2015-10-28
基金项目:国家自然科学基金(51178217); 浙江省教育厅科研项目(Y201636427)
作者简介:金斯科(1985—),男,浙江台州人,讲师,博士,主要研究方向为隧道通风,E-mail: fallice2008@163.com.
引用本文:金斯科,龚延风,张广丽.顶部开口的城市浅埋公路隧道内气压脉动特性及分布规律[J].南京工业大学学报(自然科学版),2017,39(1):145-152..
更新日期/Last Update: 2017-01-15