EXPANSION POWER OF COMPRESSED MICRO FLUID INCLUSIONS AS THE CAUSE OF ROCKBURST

doi:10.6052/1000-0879-15-089

Abstract

Abstract:

The rockburst (rock burst) is a peculiar, abnormal, localized, isolated, delayed, sudden and damaging phenomenon associated with the underground rock excavation. Several hours after the completion of the excavation, some parts of the in-situ intact rock wall might be actively, suddenly and vigorously ejected, thrown and blown off from the original wall into the excavated open space, with high initial ejecting velocity and kinetic energy. It often causes fatality, injury and damage because its occurrence is usually unforeseeable and unpredictable. The rockburst is still a worldwide tough problem that puzzles the international communities of rock mechanics in spite of tremendous research efforts over the past 50 years. This paper puts forward a hypothesis of micro-fluid inclusions as the cause and mechanism of the rockburst. The fluid inclusions in the micro-voids of intact rocks may have a high initial pressure equaling to the average of the three in-situ principal stresses. The fluid inclusions with a high initial pressure can have a high expansion power. They can flow, migrate and turn from the liquid phase into the gas phase after the rock excavation. Their physical and chemical expansion power can cause the rockburst of the excavated intact rock wall. This hypothesis offers effective solutions for the rockburst problem to reduce and eliminate its damage.

Key words:

CLC Number:

TU457

YUE Zhongqi. EXPANSION POWER OF COMPRESSED MICRO FLUID INCLUSIONS AS THE CAUSE OF ROCKBURST[J]. Mechanics in Engineering, 2015, 37(3): 287-294.

References

1 中国科协学会学术部. 岩爆机理探索. 北京: 中国科学出版社,2011
2 Hoek E, Martin CD. Fracture initiation and propagation in intact rock: a review. Journal of Rock Mechanics and Geotechnical Engineering, 2014, 6(4): 287-300
3 Zhang C, Feng XT, Zhou H, et al. Case histories of four extremely intense rockbursts in deep tunnels. Rock Me-chanics and Rock Engineering, 45(3): 275-288
4 岳中琦. 深部工程岩爆、冲击地压、矿震、洞壁劈裂、围岩分区破裂和巷道大变形的一个可能共同力源和能源——岩石微量密封气体膨胀能(简述). 岩石力学与工程动态, 2012, (1): 83-89
5 Yue ZQ. Micro-gas hypothesis for behaviors of rocks under loading. In: Yang Q, Zhang JM, Zheng H, eds. Constitu-tive Modeling of Geomaterials: Advances and New Appli-cations. New York: Springer, 2013
6 岳中琦. 奠基岩石"封闭应力" 假说的气体包裹体和膨胀能力. 工程地质学报, 2014, 22(4): 739-756
7 岳中琦. 突围范式Paradigm, 走岩土力学与工程强国之路. http://blog.sciencenet.cn/blog-240687-851224.html
8 岳中琦. 从陈宗基先生的"封闭应力" 假说研究现状见创新滞后的一种原因. http://blog.sciencenet.cn/blog-240687-851310.html
9 Müller L. Rock Mechanics, Courses and Lectures No. 165 of the International Centre for Mechanical Sciences. New York: Springer-Verlag, 1974
10 王思敬. 中国岩石力学与工程世纪成就. 南京: 河海大学出版社, 2004
11 陈祖煜, 汪小刚, 杨健等. 岩质边坡稳定分析: 原理方法程序. 北京: 中国水利水电出版社, 2005
12 Goodman RE. Introduction to Rock Mechanics (2nd edn). New York: J Wiley, 1989
13 Hudson JA. Comprehensive Rock Engineering: Principles, Practice, and Projects. Oxford: Pergamon Press, 1993
14 Jaeger JC, Cook NGW, Zimmerman RW. Fundamentals of Rock Mechanics (4th edn). Malden, Mass.: Blackwell Pub,2007
15 Brady BHG, Brown ET. Rock Mechanics: for Underground Mining (3rd edn). Boston: Kluwer Academic Publishers,2004
16 Barton N, Lien R, Lunde J. Engineering classification of rock masses for the design of tunnel support. Rock Me-chanics, 1974, 6(4): 189-236
17 Barton N. Rock Quality, Seismic Velocity, Attenuation and Anisotropy. UK & Netherlands: Taylor & Francis, 2006
18 Bieniawski ZT. Engineering classification of jointed rock mass. Trans S Afr Inst Civ Eng, 1973, 15: 335-344
19 Bieniawski ZT. Engineering Rock Mass Classifications. New York: Wiley, 1989
20 Goodman RE, Shi GH. Block Theory and Its Application to Rock Engineering, Englewood Cliffs. NJ: Prentice-Hall,1985
21 钱七虎. 岩爆机理的简化分析和决定性参数的思考. 岩爆机理探索. 北京: 科学出版社, 2011
22 蔡美峰, 王金安, 王双红. 玲珑金矿深部开采岩体能量分析与岩爆综合预测. 岩石力学与工程学报, 2001, 20(1): 38-42
23 王仁, 熊祝华, 黄文彬. 塑性力学基础. 北京: 科学出版社, 1982
24 Tan TK. Vice-president Address Note. Proceedings of Congress on Rock Mechanics of International Society for Rock Mechanics, 1979, 3: 253-254
25 Tan TK, Kang WF. Lock in stress, creep and dilatancy of rocks and constitutive equation. Rock Mechanics and Rock Engineering, 1980, 13(1): 5-22
26 陈宗基, 康文法. 岩石的封闭应力、蠕变和扩容及本构方程. 岩石力学与工程学报, 1991, 10(4): 299-312
27 钱七虎, 戚承志, 王明洋. 强动载作用下的岩石动力学. 见: 王思敬主编. 中国岩石力学与工程世纪成就. 南京: 河海大学出版社, 2004
28 钱七虎, 周小平. 岩体非协调变形对围岩中的应力和破坏的影响. 岩石力学与工程学报, 2013, 32(4): 649-656
29 王思敬. 论岩石的地质本质性及其岩石力学演绎. 岩石力学与工程学报, 2009, 28(3): 433-450
30 Skinner BJ. Presentation of the Roebling Medal of the Min-eralogical Society of America for 1986 to Edwin Roedder. American Mineralogist, 1987, 72: 652-653
31 Roedder E. Fluid Inclusions, Encyclopedia of Physical Sci-ence and Technology (3rd edn). Waltham: Academic Press,2002
32 刘斌, 沈昆. 流体包裹体热力学. 北京: 地质出版社, 1999
33 岳中琦. 汶川地震与山崩地裂的极高压甲烷天然气体成因和机理. 地学前沿, 2013, 20(6): 15-20
34 王敏中. 高等弹性力学. 北京: 北京大学出版社, 2002