大型地下储油洞粘弹性稳定性分析

›› 2005, Vol. 26 ›› Issue (11): 1705-1710.

大型地下储油洞粘弹性稳定性分析

王芝银¹，李云鹏¹，郭书太²，许杰²

1. 中国石油大学，北京 102249；2. 中国石油天然气管道工程有限公司，065000

收稿日期:2004-09-13 出版日期:2005-11-10 发布日期:2014-01-03
作者简介:王芝银，女，1956年生，博士，教授，博士生导师，主要从事岩土力学与工程方面的教学与科研工作
基金资助:
国家自然科学基金资助(No. 50374049 )。

Viscoelastic stability analysis of underground petroleum storage caverns

WANG Zhi-yin¹, LI Yun-peng¹, GUO Shu-tai², XU Jie²

1. China University of Petroleum, Beijing 102249, China; 2. China Petroleum Pipeline Engineering Corporation, 065000, China

Received:2004-09-13 Online:2005-11-10 Published:2014-01-03

摘要/Abstract

摘要： 在大型地下岩洞中储油是世界各国石油战略储备的重要方式之一。随着我国石油进口量的不断增加，建造大型地下储油洞库无疑是一种综合经济效益良好的方案。针对大型地下水封储油岩洞库的工程特点，利用数值模拟方法对储库洞群中各洞室的开挖施工顺序进行了仿真模拟计算。通过对3种可能的施工方案所引起的地表变形、洞周关键位置的变形以及应力场和位移场的分布规律对比分析，比选出了洞群中各洞室较优的开挖先后顺序。对筛选出的较优方案进行了施工过程与粘弹性稳定性分析模拟，给出了考虑岩体流变特性时油库的变形规律特点，并对大型地下油库的强度及长期稳定性进行了分析评价，所得结论对地下储油库的开挖施工有一定的参考价值。

关键词: 地下储油库, 粘弹性, 开挖顺序, 稳定性

Abstract: Storing petroleum in large underground caverns is an important way of strategic petroleum reserve in the world. With the increase of imported petroleum in China, constructing large underground petroleum storage caverns is no doubt a project with better comprehensive economic effect. According to the engineering characteristics of the large underground water-seal petroleum storage caverns, the excavation sequence and construction method of underground petroleum storage caverns are simulated by using numerical method. Three potential schemes of construction are analyzed and compared. Through their calculating results, including the surface settlement, the deformation of key points on the cavern boundaries, the distributive laws of the stress field and displacement field due to each excavating scheme, are studied and contrasted; the optimum construction scheme is chosen from the above schemes. The viscoelastic numerical simulation is performed for the construction process of the optimum scheme; and the deformation characteristics of petroleum storage caverns is given by considering the rheologic behaviors of rock mass. The Strength and the long-term stability of underground petroleum storage caverns are analyzed and evaluated; and the obtained conclusions have a certain referential value for the sequence of excavation and construction of underground petroleum storage cavern.

Key words: underground petroleum storage caverns, viscoelasticity, excavation sequence, stability

中图分类号:

TU 452

王芝银，李云鹏，郭书太，许杰，. 大型地下储油洞粘弹性稳定性分析[J]. , 2005, 26(11): 1705-1710.

WANG Zhi-yin , LI Yun-peng , GUO Shu-tai , XU Jie,. Viscoelastic stability analysis of underground petroleum storage caverns[J]. , 2005, 26(11): 1705-1710.

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