Structural reliability assessment of existing reinforced concrete wharves in NS by considering the impact of climate change
考虑气候变化影响的新斯科舍省现有钢筋混凝土码头结构可靠性评估
基本信息
- 批准号:568657-2021
- 负责人:
- 金额:$ 2.19万
- 依托单位:
- 依托单位国家:加拿大
- 项目类别:Alliance Grants
- 财政年份:2021
- 资助国家:加拿大
- 起止时间:2021-01-01 至 2022-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Reinforced concrete wharves deteriorate with time due to environmental exposure. Design codes account for the deterioration of reinforced concrete in predicting the service life of structures. However, these predictions are based on historical data that do not necessarily account for the projected change in the ocean chemistry and environmental exposure in the shores of Nova Scotia due to Climate Change. The goal of this partnership is to develop a reliability-based robust analytical framework to predict the service life of existing reinforced concrete wharves by considering the impact of the changing environment on the deterioration mechanism of wharf structures, and to apply the developed tool to examine the service life of existing wharves at the Port of Halifax. The proposed tool will account for the spatial variability of the material characteristics (i.e. randomness in the concrete properties in existing wharves), and the stochastic nature of loads (i.e. randomness in the applied loads) through a probabilistic framework of analysis. The tool will be programmed in a user-friendly standalone computer application that can be used by standard engineers. The proposed research has a three-fold impact on Nova Scotia and Canada: understanding the impact of changing environment on the structural safety of wharves helps in proposing new design measures to extend the service life of wharves, and hence, optimize the cost-life analysis of the wharf (economic), quantifying the structural safety of existing wharves helps wharf users in understanding the risk involved in operation (societal), predicting the need for structural repairs helps in optimizing the resources and reduce the carbon footprint associated with wharf rehabilitation projects (environmental).
钢筋混凝土码头由于环境暴露而随着时间的推移而恶化。设计规范在预测结构的使用寿命时考虑了钢筋混凝土的劣化。然而,这些预测是基于历史数据,不一定占预计的变化,海洋化学和环境暴露在新斯科舍省的海岸,由于气候变化。该合作伙伴关系的目标是开发一个基于可靠性的强大的分析框架,通过考虑不断变化的环境对码头结构退化机制的影响来预测现有钢筋混凝土码头的使用寿命,并应用开发的工具来检查哈利法克斯港现有码头的使用寿命。拟议的工具将通过概率分析框架说明材料特性的空间变异性(即现有码头混凝土特性的随机性)和荷载的随机性(即施加荷载的随机性)。该工具将在一个用户友好的独立计算机应用程序中编程,可供标准工程师使用。拟议的研究对新斯科舍省和加拿大有三方面的影响:了解环境变化对码头结构安全的影响,有助于提出新的设计措施,延长码头的使用寿命,从而优化码头的费用-寿命分析(经济),量化现有码头的结构安全有助于码头使用者了解运营风险(社会),预测结构维修的需要有助于优化资源,减少码头修复项目的碳足迹(环境)。
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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Oudah, Fadi其他文献
A new ductility model of reinforced concrete beams strengthened using Fiber Reinforced Polymer reinforcement
- DOI:
10.1016/j.compositesb.2012.01.071 - 发表时间:
2012-12-01 - 期刊:
- 影响因子:13.1
- 作者:
Oudah, Fadi;El-Hacha, Raafat - 通讯作者:
El-Hacha, Raafat
Application of binomial system-based reliability in optimizing resistance factor calibration of redundant pile groups
- DOI:
10.1016/j.compgeo.2020.103870 - 发表时间:
2021-01-01 - 期刊:
- 影响因子:5.3
- 作者:
Alhashmi, Abdalla Elhadi;Oudah, Fadi;El Naggar, M. Hesham - 通讯作者:
El Naggar, M. Hesham
Unified system reliability approach for single and group pile foundations - Theory and resistance factor calibration
- DOI:
10.1016/j.compgeo.2018.12.003 - 发表时间:
2019-04-01 - 期刊:
- 影响因子:5.3
- 作者:
Oudah, Fadi;El Naggar, M. Hesham;Norlander, Glen - 通讯作者:
Norlander, Glen
Joint performance in concrete beam-column connections reinforced using SMA smart material
- DOI:
10.1016/j.engstruct.2017.08.054 - 发表时间:
2017-11-15 - 期刊:
- 影响因子:5.5
- 作者:
Oudah, Fadi;El-Hacha, Raafat - 通讯作者:
El-Hacha, Raafat
Oudah, Fadi的其他文献
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{{ truncateString('Oudah, Fadi', 18)}}的其他基金
Smart Self-Repairing System for Concrete Beams
混凝土梁智能自修复系统
- 批准号:
RGPIN-2019-04285 - 财政年份:2022
- 资助金额:
$ 2.19万 - 项目类别:
Discovery Grants Program - Individual
Analytical tool to predict structural and serviceability-related repairs of multi-girder concrete bridges in Nova Scotia
用于预测新斯科舍省多梁混凝土桥梁结构和适用性相关维修的分析工具
- 批准号:
551386-2020 - 财政年份:2021
- 资助金额:
$ 2.19万 - 项目类别:
Alliance Grants
OFI SF6 Impact of Increasing Wave Power due to Oceanic Warming on the Structural Reliability of Costal Infrastructure in Nova Scotia
OFI SF6 海洋变暖导致波浪能增加对新斯科舍省沿海基础设施结构可靠性的影响
- 批准号:
568543-2021 - 财政年份:2021
- 资助金额:
$ 2.19万 - 项目类别:
Alliance Grants
Smart Self-Repairing System for Concrete Beams
混凝土梁智能自修复系统
- 批准号:
RGPIN-2019-04285 - 财政年份:2021
- 资助金额:
$ 2.19万 - 项目类别:
Discovery Grants Program - Individual
Smart Self-Repairing System for Concrete Beams
混凝土梁智能自修复系统
- 批准号:
RGPIN-2019-04285 - 财政年份:2020
- 资助金额:
$ 2.19万 - 项目类别:
Discovery Grants Program - Individual
Analytical tool to predict structural and serviceability-related repairs of multi-girder concrete bridges in Nova Scotia
用于预测新斯科舍省多梁混凝土桥梁结构和适用性相关维修的分析工具
- 批准号:
551386-2020 - 财政年份:2020
- 资助金额:
$ 2.19万 - 项目类别:
Alliance Grants
Smart Self-Repairing System for Concrete Beams
混凝土梁智能自修复系统
- 批准号:
DGECR-2019-00338 - 财政年份:2019
- 资助金额:
$ 2.19万 - 项目类别:
Discovery Launch Supplement
Smart Self-Repairing System for Concrete Beams
混凝土梁智能自修复系统
- 批准号:
RGPIN-2019-04285 - 财政年份:2019
- 资助金额:
$ 2.19万 - 项目类别:
Discovery Grants Program - Individual
Development of a Design-Based Vehicular Impact Force Prediction Equation
开发基于设计的车辆冲击力预测方程
- 批准号:
502946-2017 - 财政年份:2018
- 资助金额:
$ 2.19万 - 项目类别:
Postdoctoral Fellowships
Development of a Design-Based Vehicular Impact Force Prediction Equation
开发基于设计的车辆冲击力预测方程
- 批准号:
502946-2017 - 财政年份:2017
- 资助金额:
$ 2.19万 - 项目类别:
Postdoctoral Fellowships
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