QQ客服 官方微博 反馈留言

	Thermal elasto-plastic computation model for a buried oil pipeline in frozen ground
	Wen, Zhi; Sheng, Yu; Jin, Huijin; Li, Shuangyang; Li, Guoyu; Niu, Yonghong
刊名	COLD REGIONS SCIENCE AND TECHNOLOGY
	2010-12-01
卷号	64期号:3页码:248-255
关键词	Frozen ground Pipeline Frost heave Thaw settlement Thermal elasto plastic Computation model
ISSN号	0165-232X
DOI	10.1016/j.coldregions.2010.01.009
通讯作者	Wen, Zhi()
英文摘要	The 813-mm-diameter China-Russia Crude Oil Pipeline enters northeastern China at Lianyin Mo he County Heilongjiang Province and crosses 441 km of warm discontinuous sporadic and isolated patches of permafrost and 512 km of seasonally frozen ground before reaching Darling China It is inevitable that the buried pipeline is subject to frost heave and/or thaw settlement when it passes through regions of permafrost and seasonally frozen ground with available moisture Therefore stress and deformation analyses of the pipe subject to frost action or thaw settlement are important for the safety long-term stability and economic feasibility of the buried oil pipeline system Based on the (empirical) frost heave and/or thaw settlement coefficients a simple thermal elasto-plastic finite element computation model is put forward for analyzing the stress and strain state of the pipe The influences of soil temperatures on the soil deformation were considered but those of the soil deformation on the soil temperatures were ignored in the modelling Finally two examples of the application of the computation model are presented in which the stress and deformation of a pipe exposed to frost heave or thaw settlement is calculated The results of the frost action computation show that the effective stress on the pipe increases linearly with the frost heave deformation The largest pipe deformations and stresses may occur when crossing frost mounds due to differential frost heaving The stress and deformation smooth out from the frost mound The results of thaw settlement computation show that the pipe stress changes greatly near the interface of thaw settlement zone and no thaw settlement zone and the thaw settlement has small effect on the stability of oil pipeline The computation results show that the oil pipeline design in the permafrost regions should pay more attention on frost heave hazard than thaw settlement hazard (C) 2010 Elsevier BV All rights reserved
收录类别	SCI
WOS研究方向	Engineering ; Geology
WOS类目	Engineering, Environmental ; Engineering, Civil ; Geosciences, Multidisciplinary
语种	英语
出版者	ELSEVIER SCIENCE BV
WOS记录号	WOS:000285228600006
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2556332
专题	寒区旱区环境与工程研究所
通讯作者	Wen, Zhi
作者单位	Chinese Acad Sci, State Key Lab Frozen Soils Engn, Cold & Arid Reg Environm & Engn Res Inst, Lanzhou 730000, Peoples R China
推荐引用方式 GB/T 7714	Wen, Zhi,Sheng, Yu,Jin, Huijin,et al. Thermal elasto-plastic computation model for a buried oil pipeline in frozen ground[J]. COLD REGIONS SCIENCE AND TECHNOLOGY,2010,64(3):248-255.
APA	Wen, Zhi,Sheng, Yu,Jin, Huijin,Li, Shuangyang,Li, Guoyu,&Niu, Yonghong.(2010).Thermal elasto-plastic computation model for a buried oil pipeline in frozen ground.COLD REGIONS SCIENCE AND TECHNOLOGY,64(3),248-255.
MLA	Wen, Zhi,et al."Thermal elasto-plastic computation model for a buried oil pipeline in frozen ground".COLD REGIONS SCIENCE AND TECHNOLOGY 64.3(2010):248-255.

个性服务

查看访问统计

相关权益政策

暂无数据

收藏/分享

除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。