CAREER: An Integrated Research and Education Program in Long-Term Durability of Nano-Structured Cement-Based Materials during Environmental Weathering
职业:环境风化期间纳米结构水泥基材料长期耐久性的综合研究和教育计划
基本信息
- 批准号:0547024
- 负责人:
- 金额:--
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2006
- 资助国家:美国
- 起止时间:2006-01-01 至 2012-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
CAREER: An integrated research and education program in long-term durability of nano-structured cement-based materials during environmental weatheringF. SanchezRandomly oriented nano/microfiber (steel, carbon, or polymer) reinforced cement-based materials are an important class of composite materials with superior structural and functional properties that will open doors for new applications in civil infrastructure with the possibility of lowering total life cycle costs. It is important to gain a better understanding of the long-term durability of these materials under environmental stresses because of the critical needs that they can potentially fulfill to improve infrastructural health and function. The goal of this CAREER is to (1) develop a fundamental understanding of the controlling mechanisms of environmental weathering of nano/microfiber reinforced cement-based materials through integration of theory, experimental observation, and computational simulation focusing on how molecular level chemical phenomena at the fiber-cement interface and interfacial zone influence long-term bulk material performance and (2) educate students at multiple levels through laboratory projects, undergraduate and graduate level courses, graduate research and training, and interactive activities that reveal the relationships between material chemistry, weathering phenomena, and material durability. State-of-the-art experimental chemical, mechanical, and physical characterization of weathering mechanisms across multiple length scales (nano to macro), multi-scale computational analysis, and traditional durability testing will be integrated to (i) further elucidate the failure modes of the fiber-cement interface, and (ii) quantify and relate mechanical and chemical changes of the fiber-cement interface and interfacial zone during decalcification, carbonation, and calcium substitution/transfer to observed macro-scale properties. The educational program proposes to provide undergraduate research experience opportunities and graduate research and training, to develop a freshman seminar and course modules for the Vanderbilt-Fisk Nanoscience IGERT program, and to promote civil engineering to K-12 students through the development of interactive practical science engineering activities for classrooms disseminated through a web-based virtual laboratory. This integrated research and education program will (1) provide significant contributions toward defining the link between molecular level chemical changes and macro-scale material properties necessary to increase the predictability of cement-based material performance, (2) provide a fundamental understanding of interfacial chemistry necessary to design tailored, advanced cementitious composites that have improved durability and resistance to weathering, (3) engage student intellectual curiosity concerning the nature and properties of materials and the complex and intriguing chemical interactions that occur in cement, and (4) integrate chemistry and nanotechnologies into civil engineering education.
职业:纳米结构水泥基材料在环境风化过程中的长期耐久性的综合研究和教育计划。Sanchez随机取向的纳米/微米纤维(钢、碳或聚合物)增强水泥基材料是一类重要的复合材料,具有上级结构和功能特性,将为民用基础设施的新应用打开大门,并有可能降低总生命周期成本。重要的是要更好地了解这些材料在环境压力下的长期耐久性,因为它们可能满足改善基础设施健康和功能的关键需求。本职业的目标是(1)通过理论、实验观察、和计算模拟,重点是纤维-水泥界面和界面区的分子水平化学现象如何影响长期的散装材料性能,以及(2)通过实验室项目、本科生和研究生课程、研究生研究和培训以及揭示材料化学、风化现象和材料耐久性之间关系的互动活动,在多个层次上教育学生。在多个长度尺度上对风化机制进行最先进的实验化学、机械和物理表征(从纳米到宏观)、多尺度计算分析和传统耐久性测试将被整合,以(i)进一步阐明纤维-水泥界面的失效模式,以及(ii)量化和关联脱钙过程中纤维-水泥界面和界面区的机械和化学变化,碳酸化和钙替代/转移到观察到的宏观尺度性质。教育计划建议提供本科生研究经验的机会和研究生的研究和培训,为范德比尔特-菲斯克纳米科学IGERT计划开发一个新生研讨会和课程模块,并通过开发交互式实用科学工程活动促进K-12学生通过基于网络的虚拟实验室传播教室。这项综合研究和教育计划将(1)为定义分子水平化学变化和宏观尺度材料性能之间的联系做出重大贡献,这是提高水泥基材料性能可预测性所必需的,(2)提供对界面化学的基本了解设计定制的先进水泥基复合材料,提高耐久性和耐候性,(3)激发学生对材料性质和特性以及水泥中复杂而有趣的化学相互作用的好奇心,(4)将化学和纳米技术融入土木工程教育。
项目成果
期刊论文数量(0)
专著数量(0)
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会议论文数量(0)
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Florence Sanchez其他文献
Molybdenum-contaminated soil stabilization/solidification by mixtures of magnesium oxide and limestone calcined clay cement
氧化镁和煅烧石灰石黏土水泥混合物对受钼污染土壤的稳定化/固化作用
- DOI:
10.1016/j.jhazmat.2025.138056 - 发表时间:
2025-07-15 - 期刊:
- 影响因子:11.300
- 作者:
Amandine Dumas;Laurent De Windt;Ivan Serclerat;Florence Sanchez;Bruno Huet;David S. Kosson;Nouffou Tapsoba - 通讯作者:
Nouffou Tapsoba
Caractérisation de la mobilisation potentielle des polluants inorganiques dans les sols pollués: Approche méthodologique
无机污染物在污染太阳光下的动员能力特征:方法方法
- DOI:
10.4267/dechets-sciences-techniques.509 - 发表时间:
2000 - 期刊:
- 影响因子:0
- 作者:
C. Blanchard;P. Moszkowicz;Florence Sanchez - 通讯作者:
Florence Sanchez
SYNThèse et Analyse des données eXistantes sur un écosystème profond transfrontalier : le gouf de Capbreton – « SYNTAX »
Transfrontalier : le gouf de Capbreton – « SYNTAX »
- DOI:
- 发表时间:
2013 - 期刊:
- 影响因子:0
- 作者:
Florence Sanchez;Marina Santurtún - 通讯作者:
Marina Santurtún
The PELGAS survey: Ship-based integrated monitoring of the Bay of Biscay pelagic ecosystem
PELGAS 调查:比斯开湾远洋生态系统的船基综合监测
- DOI:
- 发表时间:
2017 - 期刊:
- 影响因子:4.1
- 作者:
M. Doray;P. Petitgas;J. Romagnan;M. Huret;E. Duhamel;C. Dupuy;J. Spitz;M. Authier;Florence Sanchez;L. Berger;G. Dorémus;P. Bourriau;Patrick Grellier;J. Masse - 通讯作者:
J. Masse
Drawing lessons from a pluridisciplinary approach associating stakeholders for a better management of a bivalve population (French Atlantic coast)?
- DOI:
10.1016/j.ecss.2021.107194 - 发表时间:
2021-04-05 - 期刊:
- 影响因子:
- 作者:
Nathalie Caill-Milly;Florence Sanchez;Muriel Lissardy;Xavier de Montaudouin;Noëlle Bru;Claire Kermorvant;Florian Ganthy - 通讯作者:
Florian Ganthy
Florence Sanchez的其他文献
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{{ truncateString('Florence Sanchez', 18)}}的其他基金
Collaborative Research: 3D Printing of Civil Infrastructure Materials with Controlled Microstructural Architectures
合作研究:具有受控微结构的民用基础设施材料 3D 打印
- 批准号:
1563389 - 财政年份:2016
- 资助金额:
-- - 项目类别:
Standard Grant
Interface Engineering of Fiber Reinforced Calcium-based Composites
纤维增强钙基复合材料界面工程
- 批准号:
1462575 - 财政年份:2015
- 资助金额:
-- - 项目类别:
Standard Grant
International: US-Poland Workshop on Multiscale Computational Modeling of Cementitious Materials; held in Cracow, Poland, October 18-19, 2012
国际:美国-波兰水泥材料多尺度计算模型研讨会;
- 批准号:
1239979 - 财政年份:2012
- 资助金额:
-- - 项目类别:
Standard Grant
Durability of short carbon fiber reinforced cement-based materials during exposure to chemical attack
短碳纤维增强水泥基材料在化学侵蚀过程中的耐久性
- 批准号:
0510534 - 财政年份:2005
- 资助金额:
-- - 项目类别:
Standard Grant
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