[1]邓友生,刘俊聪,彭程谱,等.铁道路基冻害防治方法研究[J].西安建筑科技大学学报(自然科学版),2021,53(01):1-8.[doi:10.15986/j.1006-7930.2021.01.001]
 DENG Yousheng,LIU Juncong,PENG Chengpu,et al.Study on the prevention and control method of freezing damage of railway roadbed[J].J. Xi’an Univ. of Arch. & Tech.(Natural Science Edition),2021,53(01):1-8.[doi:10.15986/j.1006-7930.2021.01.001]
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铁道路基冻害防治方法研究()
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西安建筑科技大学学报(自然科学版)[ISSN:1006-7930/CN:61-1295/TU]

卷:
53
期数:
2021年01期
页码:
1-8
栏目:
出版日期:
2021-02-28

文章信息/Info

Title:
Study on the prevention and control method of freezing damage of railway roadbed
文章编号:
1006-7930(2021)01-0001-08
作者:
邓友生刘俊聪彭程谱
(西安科技大学 桩承结构研究中心,陕西 西安 710054)
Author(s):
DENG Yousheng LIU JuncongPENG Chengpu et al
(Research Center of Pile-Supported Structures, Xi’an University of Science and Technology,Xi’an 710054, China)
关键词:
铁路路基 路基冻害 防护技术 影响因素 寒区冻土
Keywords:
railway subgrade subgrade frost damage protection technology influencing factors cold and frozen soil
分类号:
U216.41+2
DOI:
10.15986/j.1006-7930.2021.01.001
文献标志码:
A
摘要:
路基冻害是西北部地区铁路建设面临的重要工程问题之一.从路基沉降变形、冻胀及不良地质环境等方面,系统论述了路基工程的主要病害类型及影响因素.从消极保温和积极降温两大方面,研究并分析了铺设保温材料,设计合适的路堤高度,设置遮阳板、通风管道,铺设块石层,气冷片石、碎石护坡、热棒和旱桥等防护措施及其优缺点.在全球气候变暖和冻土区人类活动增多的状态下,提出其现阶段工程应用中存在的问题和未来的研究方向,为寒区冻土铁路工程的设计、施工及养护提供参考.
Abstract:
Subgrade freezing damage is one of the important engineering problems faced by railway construction in China’s northwest region. In this paper, the main disease types and influencing factors of roadbed engineering are discussed systematically from the aspects of subgrade settlement deformation, frost heaving and unfavorable geological environment. From the two aspects of passive insulation and positive cooling,such as laying insulation materials,protective measures and their advantages and disadvantages have been studied and analyzed. designing suitable embankment heights, setting sunshade plate and ventilation pipes, laying rock layers, air-cooled rubble, gravel slope protection, hot rods and dry bridges. And under the condition of global warming and increasing human activities in frozen soil areas, the problems existing in the current engineering application and future research directions have been pointed out, which provide reference for the design, construction and maintenance of frozen soil railway projects in cold regions.

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备注/Memo

备注/Memo:
收稿日期:2020-06-19 修改稿日期:2021-01-12
基金项目:国家自然科学基金资助项目(41672308,51878554,51378182); 陕西省自然科学基础研究计划重点基金资助项目(2018JZ5012)
第一作者:邓友生(1969-),男,博士,教授,主要从事基础工程及工程结构防灾减灾工程.E-mail:dengys2009@126.com
更新日期/Last Update: 2021-02-28