Smart, Bio-Inspired, Nano-Engineered Fiber Reinforced Cementitious Composites for Sustainable Infrastructure Rehabilitation and Maintenance
用于可持续基础设施修复和维护的智能仿生纳米工程纤维增强水泥基复合材料
基本信息
- 批准号:146990-2013
- 负责人:
- 金额:$ 4.01万
- 依托单位:
- 依托单位国家:加拿大
- 项目类别:Discovery Grants Program - Individual
- 财政年份:2017
- 资助国家:加拿大
- 起止时间:2017-01-01 至 2018-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Repair and strengthening of our rapidly deteriorating concrete infrastructure is a major challenge for Canada, and durable, sustainable and high performance repair materials along with effective processes for their application are critically needed. The primary objective of the research program proposed here is to develop Sprayable, Low-Carbon High Performance Fiber Reinforced Cementitious Composites (LC-HPFRCC) for repair and strengthening applications. It is further proposed to explore the potential of some of these composites as smart materials and sensors for Structural Health Monitoring (SHM). Research is proposed in the following FOUR areas:--Development of strain-hardening LC-HPFRCC with a strain capacity approaching 3%. These composites will be based on low carbon matrices such as geopolymers and carry recycled aggregates and recycled fibers. For recycled products, surface treatments including nano-coatings and grafting and cleaning methods such as ultrasonic vibrations and microwaving will be investigated. --Optimization of LC-HPFRCC properties as repair materials including their shear/tensile bond capacity, dimensional, physico-chemical and electro-chemical compatibility with old substrate concrete, and their ability to control rebar corrosion in repaired structures. ---Development of Smart, Piezo-resistive Fiber Reinforced Cementitious Composites (PFRCC) carrying carbon fibers and carbon nanotubes for sensing not only strains and temperatures, but also for sensing changes in the chemical environment, progression of chloride front, onset of steel corrosion and cracking. Finally, it is proposed to evaluate the performance of LC-HPFRCC as rehabilitation materials in four demonstration projects including a bridge, a parking garage, a dam and a school in BC requiring seismic strengthening. Over the next five years, the proposed program of research is expected to provide a total HQP training of 30 graduate student-years.
修复和加固我们迅速恶化的混凝土基础设施是加拿大面临的一项重大挑战,迫切需要耐用、可持续和高性能的修复材料及其有效的应用流程。这里提出的研究计划的主要目标是开发用于修复和加固应用的可喷涂、低碳高性能纤维增强水泥复合材料(LC-HPFRCC)。进一步建议探索其中一些复合材料作为智能材料和结构健康监测(SHM)传感器的潜力。建议在以下四个领域进行研究:--开发应变能力接近3%的应变硬化LC-HPFRCC。这些复合材料将基于地质聚合物等低碳基体,并含有再生骨料和再生纤维。对于回收产品,将研究纳米涂层和接枝等表面处理以及超声波振动和微波等清洁方法。 --优化 LC-HPFRCC 作为修复材料的性能,包括其剪切/拉伸粘合能力、与旧基材混凝土的尺寸、物理化学和电化学相容性,以及控制修复结构中钢筋腐蚀的能力。 ---开发携带碳纤维和碳纳米管的智能压阻纤维增强水泥复合材料(PFRCC),不仅可以感测应变和温度,还可以感测化学环境的变化、氯化物前沿的进展、钢腐蚀的发生和开裂。最后,建议评估 LC-HPFRCC 作为修复材料在 BC 省需要抗震加固的桥梁、停车场、水坝和学校等四个示范项目中的性能。在未来五年内,拟议的研究计划预计将提供总计 30 个研究生年的 HQP 培训。
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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Banthia, Nemkumar其他文献
Banthia, Nemkumar的其他文献
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{{ truncateString('Banthia, Nemkumar', 18)}}的其他基金
SAFE, SUSTAINABLE AND DIGITALLY-MONITORED CONCRETE STRUCTURES FOR SMART CITIES
智慧城市的安全、可持续和数字化监控的混凝土结构
- 批准号:
RGPIN-2018-04859 - 财政年份:2022
- 资助金额:
$ 4.01万 - 项目类别:
Discovery Grants Program - Individual
SAFE, SUSTAINABLE AND DIGITALLY-MONITORED CONCRETE STRUCTURES FOR SMART CITIES
智慧城市的安全、可持续和数字化监控的混凝土结构
- 批准号:
RGPIN-2018-04859 - 财政年份:2022
- 资助金额:
$ 4.01万 - 项目类别:
Discovery Grants Program - Individual
SAFE, SUSTAINABLE AND DIGITALLY-MONITORED CONCRETE STRUCTURES FOR SMART CITIES
智慧城市的安全、可持续和数字化监控的混凝土结构
- 批准号:
RGPIN-2018-04859 - 财政年份:2021
- 资助金额:
$ 4.01万 - 项目类别:
Discovery Grants Program - Individual
SAFE, SUSTAINABLE AND DIGITALLY-MONITORED CONCRETE STRUCTURES FOR SMART CITIES
智慧城市的安全、可持续和数字化监控的混凝土结构
- 批准号:
RGPIN-2018-04859 - 财政年份:2021
- 资助金额:
$ 4.01万 - 项目类别:
Discovery Grants Program - Individual
SAFE, SUSTAINABLE AND DIGITALLY-MONITORED CONCRETE STRUCTURES FOR SMART CITIES
智慧城市的安全、可持续和数字化监控的混凝土结构
- 批准号:
RGPIN-2018-04859 - 财政年份:2020
- 资助金额:
$ 4.01万 - 项目类别:
Discovery Grants Program - Individual
SAFE, SUSTAINABLE AND DIGITALLY-MONITORED CONCRETE STRUCTURES FOR SMART CITIES
智慧城市的安全、可持续和数字化监控的混凝土结构
- 批准号:
RGPIN-2018-04859 - 财政年份:2020
- 资助金额:
$ 4.01万 - 项目类别:
Discovery Grants Program - Individual
India/Canada Centre for Innovative Multidisciplinary Partnerships to Accelerate Community Transformation and Sustainability
印度/加拿大创新多学科伙伴关系中心加速社区转型和可持续发展
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436478-2012 - 财政年份:2020
- 资助金额:
$ 4.01万 - 项目类别:
Networks of Centres of Excellence
India/Canada Centre for Innovative Multidisciplinary Partnerships to Accelerate Community Transformation and Sustainability
印度/加拿大创新多学科伙伴关系中心加速社区转型和可持续发展
- 批准号:
436478-2012 - 财政年份:2020
- 资助金额:
$ 4.01万 - 项目类别:
Networks of Centres of Excellence
India/Canada Centre for Innovative Multidisciplinary Partnerships to Accelerate Community Transformation and Sustainability
印度/加拿大创新多学科伙伴关系中心加速社区转型和可持续发展
- 批准号:
436478-2012 - 财政年份:2019
- 资助金额:
$ 4.01万 - 项目类别:
Networks of Centres of Excellence
India/Canada Centre for Innovative Multidisciplinary Partnerships to Accelerate Community Transformation and Sustainability
印度/加拿大创新多学科伙伴关系中心加速社区转型和可持续发展
- 批准号:
436478-2012 - 财政年份:2019
- 资助金额:
$ 4.01万 - 项目类别:
Networks of Centres of Excellence
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