Fundamental Study of the Geological Disposal of High-Level Nuclear Waste
高放核废料地质处置基础研究
基本信息
- 批准号:11555120
- 负责人:
- 金额:$ 3.26万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (B).
- 财政年份:1999
- 资助国家:日本
- 起止时间:1999 至 2000
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The multi-barrier concept now forms the backbone of geological disposal programs in most countries. The manufactured components of the multi-barrier system constitute an engineered barrier system(E.B.S). The EBS design is constrained by the deep geological environment where the repository is constructed. In such an environment, groundwater is reducing and fluxes are small. The engineered barrier system consists of the vitriaed waste, overpack and buffer material. The buffer material is selected to have a very low permeability, so that effectively no advective flow occurs in the EBS.However, the construction, operation and closure activities will be carried out with a minimum disturbance to the geological environment in surrounding host rock. It is important to grasp the geological environment accurately during and after the construction. Micromechanics-based continuum(MBC)theory proposed by authors can reflect the effects of density, orientation and connectivity of joints as well as the property of the joints. In this study, the MBC analysis is employed to analyze the excavation of disposal tunnel and the change of the environment around the tunnel is discussed with paying attention to joints in a rock mass through the analyses.From the numerical results, it is concluded that(1)The mechanical behavior of the rock mass is strongly affected by the direction of initial stresses, the joint density, and their combinations.(2)The shape or size of the disposal tunnel has an impact on the joint deformation.(3)These results lead that the excavation of a tunnel changes the geological environment such as permeability.(4)The numerical results before the construction of disposal institution of high-level radioactive waste give us the approximate changes of environmental properties in the institution after the excavation of caverns and tunnels.
多屏障概念现已成为大多数国家地质处置方案的支柱。多屏障系统的制造组件构成工程屏障系统(E.B.S)。EBS的设计受到建造处置库的深层地质环境的制约。在这样的环境中,地下水正在减少,流量很小。工程屏障系统由玻璃化废物、外包装和缓冲材料组成。选择的缓冲材料具有非常低的渗透性,因此在EBS中实际上不会发生平流。但是,施工、运营和关闭活动将在对周围围岩地质环境的干扰最小的情况下进行。在施工过程中和施工结束后,准确掌握地质环境至关重要。作者提出的基于细观力学的连续介质(MBC)理论可以反映节理的密度、取向和连通性以及节理的性质。本文采用MBC分析方法对排土洞开挖过程进行了分析,并通过分析讨论了排土洞周围环境的变化,同时考虑了岩体中的节理,从数值结果可以看出:(1)初始应力方向、节理密度及其组合对排土洞围岩的力学行为有很大影响;(2)排土洞的形状或大小对节理变形有影响。(3)隧道开挖改变了渗透性等地质环境。(4)高放废物处置场建设前的数值模拟结果给出了高放废物处置场洞室开挖后环境特性的大致变化。
项目成果
期刊论文数量(132)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
山下英俊,堺孝司,嶋田久俊,丸茂文夫: "セメント硬化体の超音波伝播速度に及ぼす骨材および細孔構造の影響"日本コンクリート工学年次論文報告集. Vol.21,No.2. 1273-1278 (1999)
Hidetoshi Yamashita、Takashi Sakai、Hisatoshi Shimada、Fumio Marumo:“骨料和孔隙结构对硬化水泥超声波传播速度的影响”日本混凝土工程年报报告第 21 卷,第 2 期。1273 -1278 (1999)
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Jongpadist, P.and Horii, H.: "Analysis of Creep and Progressive Failure for Tunnel in Soft Rock"Proc. 1st Int. Conf. on Computer Methods and Advances in Geomech. A.A.Balkema. (to be appeared). (2001)
Jongpadist, P. 和 Horii, H.:“软岩隧道蠕变和渐进破坏分析”Proc。
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Hibiya, K., Yoshida, H., et.al: "Parameter Analysis of MBC Model for Underground Caver"Proc.Eurock 2001. (登載決定). (2001)
Hibiya, K.,Yoshida, H.,等人:“地下探洞机 MBC 模型的参数分析”Proc.Eurock 2001。(已决定出版)。
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- 影响因子:0
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- 通讯作者:
Yoshida, H., Horii, H., et.al: "Analysis of Disposal Tunnel for High-Level Radioactive Waste by Micromechanics-Based Continuum Mode"Proc.36th U.S.Rock Mech.Symp.. (登載予定). (2001)
Yoshida, H.、Horii, H. 等人:“基于微力学连续体模式的高放射性废物处置隧道分析”Proc.36th U.S.Rock Mech.Symp.(即将出版)。 )
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- 影响因子:0
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Boulfiza, M., Sakai, K., et.al: "Performance evaluation of sound and cracked concrete : part II.Chlorides ingress"Proc.3rd.Int.Conf.on Concrete under Severe Conditions Environment and Loading. (登載決定). (2001)
Boulfiza, M., Sakai, K. 等人:“健全和开裂混凝土的性能评估:第二部分。氯化物侵入”Proc.3rd.Int.Conf.on 恶劣条件环境和荷载下的混凝土 (2001)。
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YOSHIDA Hidenori其他文献
COROSSION CRACK PROPAGATION ANALYSIS OF REINFORCED CON- CRETE BY DAMAGE MODEL BASED ON FRACTURE MECHANICS
基于断裂力学的损伤模型钢筋混凝土腐蚀裂纹扩展分析
- DOI:
10.2208/jscejoe.74.i_67 - 发表时间:
2018 - 期刊:
- 影响因子:0
- 作者:
OKUMA Chisato;OKAZAKI Shinichiro;YOSHIDA Hidenori;KURUMATANI Mao - 通讯作者:
KURUMATANI Mao
RESEARCH ON THE IMPROVING RESOURCE PRODUCTIVITY OF ROCK FISH IN THE ARTIFICIAL REEFS USING AI
利用人工智能提高人工鱼礁岩鱼资源生产力的研究
- DOI:
10.2208/jscejoe.77.2_i_709 - 发表时间:
2021 - 期刊:
- 影响因子:0
- 作者:
YAMAMOTO Takafumi;TAMAKI Tetsuya;OKAZAKI Shinichiro;OKAZAKI Yuriko;YOSHIDA Hidenori;SUENAGA Yoshihiro - 通讯作者:
SUENAGA Yoshihiro
FAILURE JUDGMENT OF RESERVOIR BODY BASED ON SEISMIC RESPONSE ANALYSIS AND FLOODED ANALYSIS ACCOMPANYING DESTRUCTION
基于地震反应分析和伴破坏水淹分析的储层破坏判断
- DOI:
10.2208/jscejam.75.2_i_155 - 发表时间:
2019 - 期刊:
- 影响因子:0
- 作者:
WADA Mitsumasa;KUBO Shiori;YOSHIDA Hidenori;FUJITA Kohei;ICHIMURA Tsuyoshi - 通讯作者:
ICHIMURA Tsuyoshi
利根川河口沖における懸濁粒子動態の現場観測
利根川河口沿岸悬浮颗粒动态的现场观测
- DOI:
- 发表时间:
2022 - 期刊:
- 影响因子:0
- 作者:
YAMAMOTO Takafumi;TAMAKI Tetsuya;OKAZAKI Shinichiro;OKAZAKI Yuriko;YOSHIDA Hidenori;SUENAGA Yoshihiro;古市 尚基・杉松 宏一・大村 智宏 - 通讯作者:
古市 尚基・杉松 宏一・大村 智宏
QUANTITATIVE COMPARISON OF FRACTURE BEHAVIOR OF RC BEAM BY USING DIC-MEASUREMENT AND NONLINEAR-FEM
利用 DIC 测量和非线性有限元对 RC 梁断裂行为进行定量比较
- DOI:
10.2208/jscejam.74.107 - 发表时间:
2018 - 期刊:
- 影响因子:0
- 作者:
OKUMA Chisato;OKAZAKI Shinichiro;YOSHIDA Hidenori;KURUMATANI Mao;車谷麻緒,小圷祐輔,橋口和哉,佐々木浩武,会田涼太,加藤匠 - 通讯作者:
車谷麻緒,小圷祐輔,橋口和哉,佐々木浩武,会田涼太,加藤匠
YOSHIDA Hidenori的其他文献
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{{ truncateString('YOSHIDA Hidenori', 18)}}的其他基金
Study on flow behavior in rock mass of deep underground
地下深部岩体流动特性研究
- 批准号:
22560481 - 财政年份:2010
- 资助金额:
$ 3.26万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Clarification of mechanism for coupling behavior of water flow and deformation of material and development of its numerical method
阐明水流与材料变形耦合行为的机制及其数值方法的发展
- 批准号:
19560478 - 财政年份:2007
- 资助金额:
$ 3.26万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
A study on flow-deformation coupled behavior in an excavation disturbed zone and development of analysis method for the behavior
开挖扰动区流动-变形耦合行为研究及其分析方法的发展
- 批准号:
17560427 - 财政年份:2005
- 资助金额:
$ 3.26万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
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