Time-dependent deformation: bridging the strain rate gap in brittle rocks.
随时间变化的变形:弥合脆性岩石中的应变率差距。
基本信息
- 批准号:NE/G019061/1
- 负责人:
- 金额:$ 5.44万
- 依托单位:
- 依托单位国家:英国
- 项目类别:Research Grant
- 财政年份:2009
- 资助国家:英国
- 起止时间:2009 至 无数据
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Earthquake rupture and volcanic eruptions are the most spectacular manifestations of dynamic failure of critically-stressed crust. However, these are actually rather rare, discrete events in both space and time. Most of the crust spends most of its time in a highly-stressed but sub-critical state. Furthermore, water is ubiquitous in the crust. It is well-known that water-rock chemical reactions can lead to time-dependent deformation enabling rocks to fail over extended periods of time at stresses far below their short-term failure strength; a phenomenon known as 'sub-critical crack growth'. Quantifying sub-critical crack growth is crucial to unravelling the complexities of the evolution and dynamics of the brittle crust. The presence of cracks allows the crust to store and transport fluids, and even modest changes in crack size, density or linkage can produce major changes in fluid transport properties. Time-dependent rock deformation therefore has both a scientific and a socio-economic impact since it controls the duration and detectability of any precursory phase of important geohazards such as earthquake rupture and volcanic eruptions. Such deformation mechanisms cause compaction and cracking, both of which affect porosity and permeability. The results may therefore also be of relevance in the effective recovery of hydrocarbon and geothermal energy resources, and the integrity of long-term storage facilities for hazardous waste. Our current lack of understanding in this area has recently been highlighted by UNESCO, and 'Understanding Slow Deformation before Dynamic Failure' is one of the two priority areas for study within the Natural Hazards theme of its International Year of Planet Earth. We are therefore seeking funds for an integrated laboratory experiment, deep-sea observatory and quantitative analysis study of time-dependent brittle rock deformation, involving the Rock & Ice Physics Laboratory (RIPL) in the Department of Earth Sciences at University College London (UCL), the School of Geo-Science at Edinburgh University (EdU) and the Italian National Institute of Geophysics and Volcanology (INGV). The aim of the project is to discriminate between competing models of time-dependent rock deformation. That is currently not possible given the range of strain rates achievable in conventional laboratory experiments. Our main objective is therefore to use the deep-sea environment to bridge the strain rate gap between laboratory and crustal strain rates. The project will build on previous collaborative work between the groups, and take advantage of recent developments in experimental methodology (RIPL) and theoretical analysis (EdU), and preliminary results achieved during a deep-sea observatory pilot study funded by NERC, where infrastructural support was provided by INGV. The pilot study was originally proposed as a feasibility study for the current proposal, and achieved positive results. We now have a timely opportunity to build on this earlier collaboration and take advantage of access to a unique, new, multi-million Euro deep-sea observatory facility established by INGV on the bed of the Ionian Sea off the east coast of Sicily.
地震破裂和火山喷发是临界应力地壳动力破坏最壮观的表现形式。然而,这些实际上是相当罕见的,在空间和时间上离散的事件。地壳的大部分时间都处于高应力的亚临界状态。此外,水在地壳中无处不在。众所周知,水岩化学反应可导致随时间的变形,使岩石在远低于其短期破坏强度的应力下长期破坏;这种现象被称为“亚临界裂纹扩展”。量化亚临界裂纹扩展对于揭示脆性地壳演化和动力学的复杂性至关重要。裂缝的存在使地壳能够储存和输送流体,即使裂缝的大小、密度或联系的微小变化也会产生流体输送特性的重大变化。因此,随时间变化的岩石变形具有科学和社会经济影响,因为它控制着地震破裂和火山爆发等重要地质灾害前兆阶段的持续时间和可探测性。这种变形机制导致压实和开裂,两者都会影响孔隙度和渗透率。因此,研究结果也可能与有效回收碳氢化合物和地热能资源以及危险废物长期储存设施的完整性有关。联合国教科文组织最近强调了我们目前对这一领域缺乏了解,而“在动态破坏之前了解缓慢变形”是其国际地球年自然灾害主题中两个优先研究领域之一。因此,我们正在为一项综合实验室实验、深海观测和随时间变化的脆性岩石变形的定量分析研究寻求资金,涉及伦敦大学学院地球科学系的岩石与冰物理实验室(RIPL)、爱丁堡大学地球科学学院(EdU)和意大利国家地球物理与火山学研究所(INGV)。该项目的目的是区分不同的随时间变化的岩石变形模型。鉴于传统实验室实验中可实现的应变速率范围,这在目前是不可能的。因此,我们的主要目标是利用深海环境来弥合实验室应变率和地壳应变率之间的差距。该项目将以小组之间先前的合作工作为基础,并利用实验方法(RIPL)和理论分析(EdU)的最新发展,以及由NERC资助的深海观测站试点研究中取得的初步结果,其中基础设施支持由INGV提供。试点研究最初是作为目前提案的可行性研究提出的,并取得了积极成果。我们现在有了一个及时的机会,可以在早先的合作基础上进一步发展,并利用INGV在西西里岛东岸爱奥尼亚海海底建立的一个独特的、新的、价值数百万欧元的深海观测设施。
项目成果
期刊论文数量(5)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Time-dependent brittle creep in Darley Dale sandstone
- DOI:10.1029/2008jb006212
- 发表时间:2009-07-11
- 期刊:
- 影响因子:3.9
- 作者:Heap, M. J.;Baud, P.;Main, I. G.
- 通讯作者:Main, I. G.
dispel4py: An Agile Framework for Data-Intensive eScience
dispel4py:数据密集型电子科学的敏捷框架
- DOI:10.1109/escience.2015.40
- 发表时间:2015
- 期刊:
- 影响因子:0
- 作者:Filgueira R
- 通讯作者:Filgueira R
Brittle creep in basalt and its application to time-dependent volcano deformation
- DOI:10.1016/j.epsl.2011.04.035
- 发表时间:2011-07-01
- 期刊:
- 影响因子:5.3
- 作者:Heap, M. J.;Baud, P.;Main, I. G.
- 通讯作者:Main, I. G.
{{
item.title }}
{{ item.translation_title }}
- DOI:
{{ item.doi }} - 发表时间:
{{ item.publish_year }} - 期刊:
- 影响因子:{{ item.factor }}
- 作者:
{{ item.authors }} - 通讯作者:
{{ item.author }}
数据更新时间:{{ journalArticles.updateTime }}
{{ item.title }}
- 作者:
{{ item.author }}
数据更新时间:{{ monograph.updateTime }}
{{ item.title }}
- 作者:
{{ item.author }}
数据更新时间:{{ sciAawards.updateTime }}
{{ item.title }}
- 作者:
{{ item.author }}
数据更新时间:{{ conferencePapers.updateTime }}
{{ item.title }}
- 作者:
{{ item.author }}
数据更新时间:{{ patent.updateTime }}
Ian Main其他文献
A hand on the aftershock trigger
一只手放在余震触发器上
- DOI:
10.1038/441704a - 发表时间:
2006-06-07 - 期刊:
- 影响因子:48.500
- 作者:
Ian Main - 通讯作者:
Ian Main
Long‐range, critical‐point dynamics in oil field flow rate data
油田流量数据的远程临界点动态
- DOI:
10.1029/2006gl027357 - 发表时间:
2006 - 期刊:
- 影响因子:5.2
- 作者:
Ian Main;Ling Li;K. Heffer;O. Papasouliotis;T. Leonard - 通讯作者:
T. Leonard
On the origin of power-law rheology during the evolution of damage
损伤演化过程中幂律流变学的起源
- DOI:
- 发表时间:
2010 - 期刊:
- 影响因子:0
- 作者:
Yusuke Kawada;Mark Naylor;Sarah Touati;Ian Main - 通讯作者:
Ian Main
Statistical Modeling of the 1997–1998 Colfiorito Earthquake Sequence: Locating a Stationary Solution within Parameter Uncertainty
1997-1998 Colfiorito 地震序列的统计建模:在参数不确定性内定位稳态解
- DOI:
10.1785/0120130270 - 发表时间:
2014 - 期刊:
- 影响因子:3
- 作者:
S. Touati;M. Naylor;Ian Main - 通讯作者:
Ian Main
Ian Main的其他文献
{{
item.title }}
{{ item.translation_title }}
- DOI:
{{ item.doi }} - 发表时间:
{{ item.publish_year }} - 期刊:
- 影响因子:{{ item.factor }}
- 作者:
{{ item.authors }} - 通讯作者:
{{ item.author }}
{{ truncateString('Ian Main', 18)}}的其他基金
Catastrophic Failure: what controls precursory damage localisation in rocks?
灾难性破坏:什么控制着岩石中的先兆损伤定位?
- 批准号:
NE/R001693/1 - 财政年份:2017
- 资助金额:
$ 5.44万 - 项目类别:
Research Grant
Probability and Uncertainty in Risk Estimation and Communication
风险评估和沟通中的概率和不确定性
- 批准号:
NE/N012356/1 - 财政年份:2016
- 资助金额:
$ 5.44万 - 项目类别:
Research Grant
Hydrocarbon reservoir analytics using high-frequency pressure data
使用高频压力数据进行碳氢化合物储层分析
- 批准号:
NE/L008386/1 - 财政年份:2014
- 资助金额:
$ 5.44万 - 项目类别:
Research Grant
The Terra-correlator: A computing facility for massive real-time data assimilation in environmental science
Terra-correlator:环境科学中用于大规模实时数据同化的计算设施
- 批准号:
NE/L012979/1 - 财政年份:2013
- 资助金额:
$ 5.44万 - 项目类别:
Research Grant
Active reservoir management for improved hydrocarbon recovery
积极的油藏管理可提高碳氢化合物采收率
- 批准号:
NE/J006483/1 - 财政年份:2012
- 资助金额:
$ 5.44万 - 项目类别:
Research Grant
Probability, Uncertainty and Risk in the Natural Environment
自然环境中的概率、不确定性和风险
- 批准号:
NE/J016438/1 - 财政年份:2012
- 资助金额:
$ 5.44万 - 项目类别:
Research Grant
Localizing signatures of catastrophic failure (LOCAT)
本地化灾难性故障的特征 (LOCAT)
- 批准号:
EP/I018492/1 - 财政年份:2011
- 资助金额:
$ 5.44万 - 项目类别:
Research Grant
Active reservoir management for improved hydrocarbon recovery
积极的油藏管理可提高碳氢化合物采收率
- 批准号:
NE/I029846/1 - 财政年份:2011
- 资助金额:
$ 5.44万 - 项目类别:
Research Grant
Hazard forecasting in real time: from controlled laboratory tests to volcanoes and earthquakes
实时灾害预测:从受控实验室测试到火山和地震
- 批准号:
NE/H02297X/1 - 财政年份:2011
- 资助金额:
$ 5.44万 - 项目类别:
Research Grant
相似国自然基金
衰老抑制脊髓损伤修复的CXCL13依赖性CD8+T细胞通讯机制研究
- 批准号:82371585
- 批准年份:2023
- 资助金额:49.00 万元
- 项目类别:面上项目
细胞周期蛋白依赖性激酶Cdk1介导卵母细胞第一极体重吸收致三倍体发生的调控机制研究
- 批准号:82371660
- 批准年份:2023
- 资助金额:49.00 万元
- 项目类别:面上项目
当归芍药散基于双向调控Ras/cAMP-dependent PKA自噬通路的“酸甘化阴、辛甘化阳”的药性基础
- 批准号:81973497
- 批准年份:2019
- 资助金额:55.0 万元
- 项目类别:面上项目
CDK5调节羊驼黑色素生成的作用研究
- 批准号:31201868
- 批准年份:2012
- 资助金额:23.0 万元
- 项目类别:青年科学基金项目
蒺藜苜蓿细胞周期蛋白依赖性激酶(cyclin-dependent kinase)对根瘤发育的功能研究
- 批准号:31100871
- 批准年份:2011
- 资助金额:20.0 万元
- 项目类别:青年科学基金项目
铁磁、半金属-超导异质结中电子输运的理论研究
- 批准号:60971053
- 批准年份:2009
- 资助金额:30.0 万元
- 项目类别:面上项目
CaMK II信号转导通路参与前扣带回皮质调节IBS大鼠的内脏痛觉
- 批准号:30800512
- 批准年份:2008
- 资助金额:19.0 万元
- 项目类别:青年科学基金项目
Riesz乘积和树上的分枝测度的重分形分析
- 批准号:10826054
- 批准年份:2008
- 资助金额:3.0 万元
- 项目类别:数学天元基金项目
Posphoinositide-dependent kinase-1在肿瘤细胞趋化运动和转移中的作用机制
- 批准号:30772529
- 批准年份:2007
- 资助金额:29.0 万元
- 项目类别:面上项目
相似海外基金
Time-dependent load-deformation behaviour of foundations under alternating loads in overconsolidated clay
超固结粘土交变荷载下地基随时间变化的荷载变形行为
- 批准号:
457580302 - 财政年份:2021
- 资助金额:
$ 5.44万 - 项目类别:
Research Grants
Crystal-plasticity modeling of time-dependent deformation behavior of metallic sheets and its application to press forming simulations
金属板随时间变形行为的晶体塑性建模及其在冲压成形模拟中的应用
- 批准号:
17H03428 - 财政年份:2017
- 资助金额:
$ 5.44万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Micromechanical mechanisms of the time dependent deformation behavior of early-age concrete
早期混凝土随时间变化的变形行为的微观力学机制
- 批准号:
310950436 - 财政年份:2016
- 资助金额:
$ 5.44万 - 项目类别:
Research Fellowships
Fundamental Study on Sustainable Alternative Binders for Concrete: Reduction of Long-Term Time Dependent Deformation through Nanoengineering
可持续替代混凝土粘合剂的基础研究:通过纳米工程减少长期随时间变化
- 批准号:
1538432 - 财政年份:2015
- 资助金额:
$ 5.44万 - 项目类别:
Standard Grant
Numerical and experimental investigations for the modeling of the time-dependent deformation characteristics of concrete on the mesoscale with coupled models for mechanical and hygric effects
利用机械和湿度效应耦合模型对介观尺度上的混凝土随时间变形特性进行建模的数值和实验研究
- 批准号:
252766671 - 财政年份:2014
- 资助金额:
$ 5.44万 - 项目类别:
Research Grants
Collaborative Research: Coupling System Chemistry and Time-Dependent Deformation of Cementitious Materials through Evolving Thermodynamic States
合作研究:通过演化热力学状态耦合系统化学和胶凝材料随时间的变形
- 批准号:
1463926 - 财政年份:2014
- 资助金额:
$ 5.44万 - 项目类别:
Standard Grant
Collaborative Research: Coupling System Chemistry and Time-Dependent Deformation of Cementitious Materials through Evolving Thermodynamic States
合作研究:通过演化热力学状态耦合系统化学和胶凝材料随时间的变形
- 批准号:
1300024 - 财政年份:2013
- 资助金额:
$ 5.44万 - 项目类别:
Standard Grant
Collaborative Research: Coupling System Chemistry and Time-Dependent Deformation of Cementitious Materials through Evolving Thermodynamic States
合作研究:通过演化热力学状态耦合系统化学和胶凝材料随时间的变形
- 批准号:
1300500 - 财政年份:2013
- 资助金额:
$ 5.44万 - 项目类别:
Standard Grant
Collaborative Research: Coupling System Chemistry and Time-Dependent Deformation of Cementitious Materials through Evolving Thermodynamic States
合作研究:通过演化热力学状态耦合系统化学和胶凝材料随时间的变形
- 批准号:
1301060 - 财政年份:2013
- 资助金额:
$ 5.44万 - 项目类别:
Standard Grant
Investigation and modelling on time-dependent deformation behavior of cement treated granulate soils
水泥处理颗粒土随时间变化的变形行为的研究和建模
- 批准号:
24560600 - 财政年份:2012
- 资助金额:
$ 5.44万 - 项目类别:
Grant-in-Aid for Scientific Research (C)














{{item.name}}会员




