Effects of sample and boundary imperfections on calibration of monotonic and cyclic constitutive models in sand
样品和边界缺陷对砂中单调和循环本构模型校准的影响
基本信息
- 批准号:529393-2018
- 负责人:
- 金额:$ 1.82万
- 依托单位:
- 依托单位国家:加拿大
- 项目类别:Engage Grants Program
- 财政年份:2018
- 资助国家:加拿大
- 起止时间:2018-01-01 至 2019-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Like many other fields of science and engineering, geotechnical engineers use laboratory testing to determine**the engineering properties of soils, so foundations, dams, tunnels and other structures can be designed and**constructed with, in, or on soils. Like all other laboratory tests, these tests have shortcomings, specifically in**the way boundaries of specimens interact with the soil and how this interaction affects the results.**However, all geotechnical engineering practice has assumed these tests are perfect in their boundary conditions.**Imperfections of specimens, such as non-uniformities, have been recognized but the solution has always been a**race towards creating ever more uniform specimens. Nobody knows how uniform is uniform enough, or has**quantified the effects of non-uniformity, or boundary conditions on the results.**This research will use analytical tools to estimate the effects of these non-perfections on the parameters**obtained from these tests, and will produce computational tools that account for the effects of these**imperfections on models that engineers create for design. The work is supported by RocScience, a Canadian**software company, giving them an advantage over other geotechnical engineering software companies that still**assume their input data come from perfect laboratory tests.
与许多其他科学和工程领域一样,岩土工程师使用实验室测试来确定**土壤的工程特性,因此可以在土壤中、土壤中或土壤上设计和建造地基、水坝、隧道和其他结构。与所有其他实验室测试一样,这些测试也有缺点,特别是在样本边界与土壤相互作用的方式以及这种相互作用如何影响结果方面。**然而,所有岩土工程实践都假设这些测试在其边界条件下是完美的。**样本的缺陷,例如不均匀性,已经被认识到,但解决方案始终是创建更均匀的样本。没有人知道均匀性有多均匀,也没有**量化不均匀性或边界条件对结果的影响。**这项研究将使用分析工具来估计这些不完美对从这些测试中获得的参数**的影响,并将产生计算工具来解释这些**缺陷对工程师为设计创建的模型的影响。这项工作得到了加拿大**软件公司 RocScience 的支持,这使他们比其他岩土工程软件公司更具优势,因为这些公司仍然**假设他们的输入数据来自完美的实验室测试。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Ghafghazi, Mohsen其他文献
Ghafghazi, Mohsen的其他文献
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{{ truncateString('Ghafghazi, Mohsen', 18)}}的其他基金
Assessment of Residual Strength of Tailings Using the Cone Penetration Test and Simplified Numerical Modelling
使用锥入度试验和简化数值模型评估尾矿的剩余强度
- 批准号:
537738-2018 - 财政年份:2021
- 资助金额:
$ 1.82万 - 项目类别:
Collaborative Research and Development Grants
Characterization of Static Liquefaction in Tailings through the Critical State Framework
通过临界状态框架表征尾矿静态液化
- 批准号:
556818-2020 - 财政年份:2021
- 资助金额:
$ 1.82万 - 项目类别:
Alliance Grants
Development of a Soil-Specific Liquefaction Assessment Framework: Role of Soil Gradation
土壤特定液化评估框架的开发:土壤级配的作用
- 批准号:
RGPIN-2016-05622 - 财政年份:2021
- 资助金额:
$ 1.82万 - 项目类别:
Discovery Grants Program - Individual
Assessment of Residual Strength of Tailings Using the Cone Penetration Test and Simplified Numerical Modelling
使用锥入度试验和简化数值模型评估尾矿的剩余强度
- 批准号:
537738-2018 - 财政年份:2020
- 资助金额:
$ 1.82万 - 项目类别:
Collaborative Research and Development Grants
Characterization of Static Liquefaction in Tailings through the Critical State Framework
通过临界状态框架表征尾矿静态液化
- 批准号:
556818-2020 - 财政年份:2020
- 资助金额:
$ 1.82万 - 项目类别:
Alliance Grants
Development of a Soil-Specific Liquefaction Assessment Framework: Role of Soil Gradation
土壤特定液化评估框架的开发:土壤级配的作用
- 批准号:
RGPIN-2016-05622 - 财政年份:2020
- 资助金额:
$ 1.82万 - 项目类别:
Discovery Grants Program - Individual
Development of a Soil-Specific Liquefaction Assessment Framework: Role of Soil Gradation
土壤特定液化评估框架的开发:土壤级配的作用
- 批准号:
RGPIN-2016-05622 - 财政年份:2019
- 资助金额:
$ 1.82万 - 项目类别:
Discovery Grants Program - Individual
Assessment of Residual Strength of Tailings Using the Cone Penetration Test and Simplified Numerical Modelling
使用锥入度试验和简化数值模型评估尾矿的剩余强度
- 批准号:
537738-2018 - 财政年份:2019
- 资助金额:
$ 1.82万 - 项目类别:
Collaborative Research and Development Grants
Development of a Soil-Specific Liquefaction Assessment Framework: Role of Soil Gradation
土壤特定液化评估框架的开发:土壤级配的作用
- 批准号:
RGPIN-2016-05622 - 财政年份:2018
- 资助金额:
$ 1.82万 - 项目类别:
Discovery Grants Program - Individual
Development of a Soil-Specific Liquefaction Assessment Framework: Role of Soil Gradation
土壤特定液化评估框架的开发:土壤级配的作用
- 批准号:
RGPIN-2016-05622 - 财政年份:2017
- 资助金额:
$ 1.82万 - 项目类别:
Discovery Grants Program - Individual
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