高放废物贮存复杂裂隙岩体的渗流传质特性

马国伟; 徐曼; 陈昀; 李拓; 王惠栋

doi:10.11835/j.issn.2096-6717.2021.271

您当前的位置：

首页 >

文章列表页 >

高放废物贮存复杂裂隙岩体的渗流传质特性

土木工程 | 更新时间：2023-03-07

- 高放废物贮存复杂裂隙岩体的渗流传质特性
- Fluid flow and mass transport properties in geological disposal of high-level radioactive waste considering fracture networks
- 土木与环境工程学报 2023年45卷第2期页码：39-51
- 作者机构：
  
  河北工业大学土木与交通学院，天津 300401
- 作者简介：
  
  MA Guowei (1968- ), professor, doctorial supervisor, main research interests: geomechanics and deep underground engineering, E-mail: guowei.ma@hebut.edu.cn.
  CHEN Yun （corresponding author）， PhD， associate professor， E-mail： cycup2010@outlook.com.
- 基金信息：
  
  National Natural Science Foundation of China(U1965204;52061160367;U2067203);Green Channel Funds of Hebei Province(E2021202073);Hebei Department of Human Resource(E2020050015)
- DOI：10.11835/j.issn.2096-6717.2021.271
  中图分类号： TU452
- 收稿：2021-09-22，
  
  纸质出版：2023-04-25
- 稿件说明：
移动端阅览
马国伟, 徐曼, 陈昀, 等. 高放废物贮存复杂裂隙岩体的渗流传质特性[J]. 土木与环境工程学报, 2023,45(2):39-51.

MA Guowei, XU Man, CHEN Yun, et al. Fluid flow and mass transport properties in geological disposal of high-level radioactive waste considering fracture networks[J]. Journal of Civil and Environmental Engineering, 2023, 45(2): 39-51.
马国伟, 徐曼, 陈昀, 等. 高放废物贮存复杂裂隙岩体的渗流传质特性[J]. 土木与环境工程学报, 2023,45(2):39-51. DOI： 10.11835/j.issn.2096-6717.2021.271.

MA Guowei, XU Man, CHEN Yun, et al. Fluid flow and mass transport properties in geological disposal of high-level radioactive waste considering fracture networks[J]. Journal of Civil and Environmental Engineering, 2023, 45(2): 39-51. DOI： 10.11835/j.issn.2096-6717.2021.271.

摘要

裂隙对高放废物深地质处置工程的渗流与传质过程影响显著。基于统一管网法（UPM），考虑裂隙网络粗糙特性及吸附与衰变因素，研究裂隙岩体核素迁移机制，并针对单裂缝岩体溶质运移解析解进行基准测试。基于粗糙裂隙网络水力隙宽等效方法，研究裂隙粗糙度分布、岩石基质吸附能力及裂隙岩体传质特性对核素迁移过程的影响。结果表明，核素运移的突破曲线随着裂隙粗糙度的增大而向长时间方向移动；岩石基质扩散系数和延迟因子的增大极大提高了其对核素迁移的延迟效应；具有较长半衰期的核素易在岩体中积聚成相对较高的浓度，而较低的水力梯度值对相对浓度场分布特性的影响更为显著。

Abstract

Fractures significantly influence fluid flow and mass transport in projects of radioactive waste disposal in deep geological formations. This work investigated the mechanism of nuclide migration in fractured rocks by considering fracture roughness based on a unified pipe-network method (UPM). The processes of adsorption and decay were incorporated into the UPM framework to capture the nuclide migration in a rock mass with rough-walled fracture networks. Benchmark tests were attempted against analytical results of the concentration distribution along a single fracture. An equivalent method to approach the hydraulic fracture aperture in fractured rocks by considering fracture roughness was also demonstrated. The influences of the fracture-roughness distribution

the rock matrix adsorption capacity and the transport properties on the process of nuclide migration were investigated. The results show that the breakthrough curve for the nuclide migration moved toward a longer time with increasing fracture roughness. The increased diffusion coefficient and retardation factor in the rock matrix greatly enhanced the matrix retardation effect on nuclide migration. Furthermore

the nuclide featured longer half-life results in a higher relative nuclide concentration of the domain. A hydraulic gradient with a relatively low value greatly impacted the relative concentration's distribution.

关键词

Keywords

references

WANG X , QIN Y , YIN Z H , et al . Historical shear deformation of rock fractures derived from digital outcrop models and its implications on the development of fracture systems [J]. International Journal of Rock Mechanics and Mining Sciences , 2019 , 114 : 122 - 130 .

FAN L F , GAO J W , DU X L , et al . Spatial gradient distributions of thermal shock-induced damage to granite [J]. Journal of Rock Mechanics and Geotechnical Engineering , 2020 , 12 ( 5 ): 917 - 926 .

FAN L F , YANG K C , WANG M , et al . Experimental study on wave propagation through granite after high-temperature treatment [J]. International Journal of Rock Mechanics and Mining Sciences , 2021 , 148 : 104946 .

SISAVATH S , AL-YAARUBY A , PAIN C C , et al . A simple model for deviations from the cubic law for a fracture undergoing dilation or closure [J]. Pure and Applied Geophysics , 2003 , 160 ( 5/6 ): 1009 - 1022 .

KONZUK J S , KUEPER B H . Evaluation of cubic law based models describing single-phase flow through a rough-walled fracture [J]. Water Resources Research , 2004 , 40 ( 2 ): W02402 .

BODIN J , POREL G , DELAY F , et al . Simulation and analysis of solute transport in 2D fracture/pipe networks: The SOLFRAC program [J]. Journal of Contaminant Hydrology , 2007 , 89 ( 1/2 ): 1 - 28 .

PENG H , ZHAO Z H , CHEN W , et al . Thermal effect on permeability in a single granite fracture: Experiment and theoretical model [J]. International Journal of Rock Mechanics and Mining Sciences , 2020 , 131 : 104358 .

BRIGGS S , KARNEY B W , SLEEP B E . Numerical modelling of flow and transport in rough fractures [J]. Journal of Rock Mechanics and Geotechnical Engineering , 2014 , 6 ( 6 ): 535 - 545 .

WANG L C , CARDENAS M B , SLOTTKE D T , et al . Modification of the local cubic law of fracture flow for weak inertia, tortuosity, and roughness [J]. Water Resources Research , 2015 , 51 ( 4 ): 2064 - 2080 .

ZHANG G , TIAN Y , LI Y J . Numerical study on the mechanism of fluid flow through single rough fractures with different JRC [J]. Scientia Sinica Physica , Mechanica & Astronomica, 2019 , 49 ( 1 ): 014701 .

CRANDALL D , BROMHAL G , KARPYN Z T . Numerical simulations examining the relationship between wall-roughness and fluid flow in rock fractures [J]. International Journal of Rock Mechanics and Mining Sciences , 2010 , 47 ( 5 ): 784 - 796 .

RASOULI V , HOSSEINIAN A . Correlations developed for estimation of hydraulic parameters of rough fractures through the simulation of JRC flow channels [J]. Rock Mechanics and Rock Engineering , 2011 , 44 ( 4 ): 447 - 461 .

LI B , JIANG Y J . Quantitative estimation of fluid flow mechanism in rock fracture taking into account the influences of JRC and Reynolds number [J]. Journal of the Mining and Materials Processing Institute of Japan , 2013 , 129 ( 7 ): 479 - 484 .

DIMADIS G , DIMADI A , BACASIS I . Influence of fracture roughness on aperture fracture surface and in fluid flow on coarse-grained marble, experimental results [J]. Journal of Geoscience and Environment Protection , 2014 , 2 ( 5 ): 59 - 67 .

LUO Y F , XIA B W , LI H L , et al . Fractal permeability model for dual-porosity media embedded with natural tortuous fractures [J]. Fuel , 2021 , 295 : 120610 .

DING X H , FENG S J , ZHENG Q T , et al . A two-dimensional analytical model for organic contaminants transport in a transition layer-cutoff wall-aquifer system [J]. Computers and Geotechnics , 2020 , 128 : 103816 .

TANG D H , FRIND E O , SUDICKY E A . Contaminant transport in fractured porous media: Analytical solution for a single fracture [J]. Water Resources Research , 1981 , 17 ( 3 ): 555 - 564 .

ZHAO Z H , JING L R , NERETNIEKS I , et al . Analytical solution of coupled stress-flow-transport processes in a single rock fracture [J]. Computers & Geosciences , 2011 , 37 ( 9 ): 1437 - 1449 .

ZHU Y H , ZHAN H B , JIN M G . Analytical solutions of solute transport in a fracture-matrix system with different reaction rates for fracture and matrix [J]. Journal of Hydrology , 2016 , 539 : 447 - 456 .

OGATA S , YASUHARA H , KINOSHITA N , et al . Modeling of coupled thermal-hydraulic-mechanical-chemical processes for predicting the evolution in permeability and reactive transport behavior within single rock fractures [J]. International Journal of Rock Mechanics and Mining Sciences , 2018 , 107 : 271 - 281 .

TSANG Y W , TSANG C F , HALE F V , et al . Tracer transport in a stochastic continuum model of fractured media [J]. Water Resources Research , 1996 , 32 ( 10 ): 3077 - 3092 .

SURESH KUMAR G . Mathematical modeling of groundwater flow and solute transport in saturated fractured rock using a dual-porosity approach [J]. Journal of Hydrologic Engineering , 2014 , 19 ( 12 ): 04014033 .

YAN B C , ALFI M , AN C , et al . General Multi-Porosity simulation for fractured reservoir modeling [J]. Journal of Natural Gas Science and Engineering , 2016 , 33 : 777 - 791 .

LAGENDIJK V R , VOGEL T , KÖNGETER J . Contaminant transport modeling in multi-porosity fractured systems using a multi-continuum approach [M]// Geoecology and Computers . London; New York : Routledge , 2018 : 497 - 502 .

MA G W , WANG Y , LI T , et al . A mesh mapping method for simulating stress-dependent permeability of three-dimensional discrete fracture networks in rocks [J]. Computers and Geotechnics , 2019 , 108 : 95 - 106 .

HADGU T , KARRA S , KALININA E , et al . A comparative study of discrete fracture network and equivalent continuum models for simulating flow and transport in the far field of a hypothetical nuclear waste repository in crystalline host rock [J]. Journal of Hydrology , 2017 , 553 : 59 - 70 .

BLESSENT D , THERRIEN R , MACQUARRIE K . Coupling geological and numerical models to simulate groundwater flow and contaminant transport in fractured media [J]. Computers & Geosciences , 2009 , 35 ( 9 ): 1897 - 1906 .

HYMAN J D , KARRA S , MAKEDONSKA N , et al . dfnWorks: A discrete fracture network framework for modeling subsurface flow and transport [J]. Computers & Geosciences , 2015 , 84 : 10 - 19 .

SHERMAN T , HYMAN J D , BOLSTER D , et al . Characterizing the impact of particle behavior at fracture intersections in three-dimensional discrete fracture networks [J]. Physical Review E , 2019 , 99 ( 1 ): 013110 .

LI X X , LI D Q , XU Y , et al . A DFN based 3D numerical approach for modeling coupled groundwater flow and solute transport in fractured rock mass [J]. International Journal of Heat and Mass Transfer , 2020 , 149 : 119179 .

CHEN Y , MA G W , LI T , et al . Simulation of wormhole propagation in fractured carbonate rocks with unified pipe-network method [J]. Computers and Geotechnics , 2018 , 98 : 58 - 68 .

MA G W , LI T , WANG Y , et al . Numerical simulations of nuclide migration in highly fractured rock masses by the unified pipe-network method [J]. Computers and Geotechnics , 2019 , 111 : 261 - 276 .

CHUGUNOV V , FOMIN S . Effect of adsorption, radioactive decay and fractal structure of matrix on solute transport in fracture [J]. Philosophical Transactions Series A, Mathematical, Physical, and Engineering Sciences , 2020 , 378 ( 2172 ): 20190283 .

FREEZE R A , CHERRY J A . Groundwater [M]. Englewood Cliffs : Prentice Hall , 1979 .

LIESER K H . Nuclear and radiochemistry: Fundamentals and applications [M]. New Jersey : John Wiley & Sons , 2008 .

MYERS N O . Characterization of surface roughness [J]. Wear , 1962 , 5 ( 3 ): 182 - 189 .

TSE R , CRUDEN D M . Estimating joint roughness coefficients [J]. International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts , 1979 , 16 ( 5 ): 303 - 307 .

XIONG X B , LI B , JIANG Y J , et al . Experimental and numerical study of the geometrical and hydraulic characteristics of a single rock fracture during shear [J]. International Journal of Rock Mechanics and Mining Sciences , 2011 , 48 ( 8 ): 1292 - 1302 .

OLSON J E . Sublinear scaling of fracture aperture versus length: An exception or the rule? [J]. Journal of Geophysical Research: Solid Earth , 2003 , 108 ( B9 ): 2413 .

ZHAO Z H , LI B , JIANG Y J . Effects of fracture surface roughness on macroscopic fluid flow and solute transport in fracture networks [J]. Rock Mechanics and Rock Engineering , 2014 , 47 ( 6 ): 2279 - 2286 .

BABADAGLI T , DEVELI K . Fractal characteristics of rocks fractured under tension [J]. Theoretical and Applied Fracture Mechanics , 2003 , 39 ( 1 ): 73 - 88 .

SCHWARZ J O , ENZMANN F . Simulation of fluid flow on fractures and implications for reactive transport simulations [J]. Transport in Porous Media , 2013 , 96 ( 3 ): 501 - 525 .

HIBIYA K , INABA T , SHIOGAMA Y , et al . A study on groundwater flow in Japan: JNC TN7400 99-004 [R]. Tokai, Japan : Japan Nuclear Cycle Development Insitute (JNC) , 1999 .

GALETTI D , MIZRAHI S S . The delimiting/frontier lines of the constituents of matter [J]. arXiv ， 2019 : 1909 .07223.

浏览量

下载量

CSCD

文章被引用时，请邮件提醒。

提交

工具集

关联资源

Adsorption of sulfate ions on zirconium-loaded granular activated carbon in aqueous solution