地下水封油库围岩地下水渗流量计算

›› 2010, Vol. 31 ›› Issue (4): 1295-1302.

地下水封油库围岩地下水渗流量计算

许建聪^{1, 2}，郭书太³

1.同济大学岩土及地下工程教育部重点实验室，上海 200092；2.同济大学地下建筑与工程系，上海 200092； 3.中国石油天然气管道工程有限公司，河北廊坊 065000

收稿日期:2009-04-25 出版日期:2010-04-10 发布日期:2010-04-30
作者简介:许建聪，男，1967年生，博士，讲师，主要从事地下结构工程、岩土工程与工程地质、防灾减灾工程及防护工程等方面的教学和科研工作。
基金资助:
中国博士后科学基金资助项目(20060390165)；上海市博士后科研资助计划资助项目(06R214152)；上海市重点学科建设项目资助(B308)。

Seepage discharge calculation of surrounding rock groundwater in rock caverns sealed oil storage

XU Jian-cong ^{1, 2}, GUO Shu-tai ³

1.Key Laboratory of Geotechnical and Underground Engineering of Ministry of Education, Tongji University, Shanghai 200092, China; 2.Department of Geotechnical Engineering, Tongji University, Shanghai 200092, China; 3.China Petroleum Pipeline Engineering Corporation, Langfang 065000, China

Received:2009-04-25 Online:2010-04-10 Published:2010-04-30

摘要/Abstract

摘要：

为准确地计算特大型地下水封储油岩洞库地下水的渗流量，根据现场调查、测试与监测以及室内外物理力学试验，采用了三维多孔连续介质流-固耦合有限差分数值模拟计算分析软件模拟地下水渗流场。提出了一种适用于特大型地下水封储油岩洞库地下水渗流量计算的合理方法。经与法国专家经验法、大岛洋志经验式、《铁路工程水文地质勘测规范》（TB10049－96）等方法的计算结果进行比较，结果比较接近。该计算方法适用于试验数据和资料匮乏的可行性研究阶段的特大型地下水封储油岩洞库围岩地下水渗流量或涌水量的计算；考虑地下水流-固耦合分析时，单洞室的涌水量比只考虑地下水流动作分析时稍小；考虑流-固耦合作用比不考虑流-固耦合作用时围岩地下水的最大渗流速度稍小。

关键词: 储油洞库, 围岩地下水, 渗流量计算方法, 流-固耦合作用

Abstract:

In order to exactly calculate the seepage discharge of groundwater in oversize groundwater sealed oil storage of rock caverns, adopting the calculating analysis method of three-dimensional FDM numerical simulation with solid-fluid coupling of porous continuous medium, the seepage field of underground water was simulated by the site investigation, in-situ test and monitoring, and physical mechanics tests. On the premise of guaranteeing economics and security, considering coupling interaction between stress field of surrounding rock and seepage field of groundwater, and water flow condition, a reasonable method to calculate the seepage discharge of groundwater in oversize groundwater sealed oil storage of rock caverns, is presented, connected with an engineering practice. Compared with the results obtained by the presented method, the empirical method of France expert, Hirishi Oshima empirical equation and Investigation Norm of Railway Engineering Hydrogeology (TB10049-96), the results are comparatively consistent. The research results show as follows. Firstly, the presented method is applicable for calculating the seepage discharge or water inflow of groundwater in oversize groundwater sealed oil storage of rock caverns with the feasibility study phase lacking test data. Secondly, the water inflow of single cavern considering groundwater fluid-solid coupling analysis, may be smaller than that only considering the analysis of groundwater flow. Thirdly, considering fluid-solid coupling interaction, the maximum velocity of groundwater seepage of surrounding rock is smaller than that without considering fluid-solid coupling interaction.

Key words: oil storage cavern, groundwater of surrounding rock, calculating method of seepage discharge, coupling interaction of solid and fluid；

中图分类号:

TU 45

许建聪，郭书太. 地下水封油库围岩地下水渗流量计算[J]. , 2010, 31(4): 1295-1302.

XU Jian-cong, GUO Shu-tai. Seepage discharge calculation of surrounding rock groundwater in rock caverns sealed oil storage[J]. , 2010, 31(4): 1295-1302.

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