盐岩密集储库群破损区演化试验研究

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摘要采用地质力学模型试验的手段，研究不同储库间距下矿柱破损程度随储库压差增大的演化规律。主要完成以下内容：根据试验需要，对模型试验中涉及的若干关键技术进行研究，包括模型材料、地应力生成系统、内压加卸载系统以及测量技术，并提出一种新的侧向地应力梯形分布精细模拟的球形颗粒流加载方法；设计并完成3个试验方案；对模型试验进行数值模拟，将数值模拟结果与试验结果进行对比分析，指出有压腔之间的矿柱是否能够保持稳定是储库群是否发生连锁破坏的关键。

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关键词 ：岩石力学, 地质力学模型试验, 盐岩, 密集储库群, 破损区演化

Abstract：The evolution rule with the increasing pressure difference of rock pillars? damaged zone of different storage spaces is studied by geomechanical model test. The followings are completed mainly：(1) Firstly，several key techniques related to the experiment model test are studied，including model material，generation system of crustal stress，loading and unloading system of cavity pressure and measurement techniques. And a new method to generate trapezoidal-distribution stress with spherical particle is put forward. (2) Secondly，three experiment schemes are planed and accomplished. Last but not least，numerical simulation of the model test is carried out and the results are contrasted with that of the model test. The conclusion is that the stability of the rock pillar between pressurized caverns is the determinant factor for preventing the chain breaking of cavern group.

Key words： rock mechanics geomechanics model experiment salt rock dense storage group damaged zone evolution

收稿日期: 2012-04-27

引用本文:

程丽娟1，2，李仲奎1，徐彬1，杨强1. 盐岩密集储库群破损区演化试验研究[J]. 岩石力学与工程学报, 2012, 31(s2): 3688-3695.
CHENG Lijuan1，2，LI Zhongkui1，XU Bin1，YANG Qiang1. EXPERIMENT RESEARCH ON DAMAGED ZONE EVOLUTION OF DENSE STORAGE GROUP IN SALT ROCK. , 2012, 31(s2): 3688-3695.

链接本文:

http://www.rockmech.org/CN/Y2012/V31/Is2/3688

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