Evaluating pavement structural benefits of lightweight cellular concrete
评估轻质蜂窝混凝土的路面结构效益
基本信息
- 批准号:514908-2017
- 负责人:
- 金额:$ 4.48万
- 依托单位:
- 依托单位国家:加拿大
- 项目类别:Collaborative Research and Development Grants
- 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
Lightweight Cellular Concrete (LCC) offers potential structural, functional, construction, performance and costbenefits if used correctly in a pavement structure. As an alternative roadbed support over weak soils, LCC hasbeen installed as pavement base material to provide a more stable and stronger foundation. It has been placedin a few pavement sections across Canada and preliminary information shows it can improve pavementperformance.However there is a lack of engineering data which quantifies the performance of this layer within the pavementstructure. It is also unclear how it performs over time. This proposal is directed at quantifying performancethrough an integrated field and laboratory evaluation where the LCC is evaluated. There is a need toinvestigate and quantify the technical benefits, strength, stiffness, and vibrations of the LCC under cyclic trafficloading. In order to optimize the use of LCC as base material in pavement engineering, the Centre forPavement and Transportation Technology (CPATT) at the University of Waterloo and the CEMATRIX(Canada) Inc. are collaborating to investigate the pavement structural benefits with the use of CEMATRIXLCC.The following major tasks will be part of this research program: build a full scale instrumented pavementsection with the use of various LCCs as base layers, instrument and evaluate thermal performance duringwinter conditions, and instrument and quantify potential benefits of dampening vibrations. In addition, theresearch will develop a pavement structure number and potential pavement layer thickness savings that can beachieved by using LCC. A finite element model will be built to simulate and predict the bearing capacities ofpavements with various thickness of LCC at various locations (depth) to the base, and finally guidelines forLCC pavement and provide typical pavement designs with LCC for the usage in Canada. The designs willaccount for varying traffic loading and environmental conditions.
轻质多孔混凝土(LCC)提供了潜在的结构,功能,施工,性能和成本效益,如果正确使用在路面结构。作为一种替代路基支撑在软弱的土壤,LCC已安装作为路面基层材料,以提供一个更稳定和更强大的基础。它已被放置在加拿大的几个路面部分和初步的信息表明,它可以提高路面性能,但缺乏工程数据,量化的路面结构中的这一层的性能.也不清楚它如何随着时间的推移而发挥作用。该提案旨在通过综合的现场和实验室评估来量化绩效,其中对LCC进行评估。有必要调查和量化的技术效益,强度,刚度和振动的循环交通负荷下的LCC。为了优化LCC作为路面工程基层材料的使用,滑铁卢大学路面与交通技术中心(CPATT)和CEMATRIX(加拿大)公司进行了路面材料的研究。正在合作研究使用CEMATRIXLCC的路面结构效益。以下主要任务将是该研究计划的一部分:使用各种LCC作为基层,建立一个全尺寸的仪表路面部分,仪器和评估冬季条件下的热性能,仪器和量化阻尼振动的潜在效益。此外,本研究将开发一个路面结构数量和潜在的路面层厚度节省,可以通过使用LCC实现。通过建立有限元模型,模拟和预测不同厚度LCC路面在不同位置(深度)的承载能力,为LCC路面设计提供指导,并为加拿大LCC路面设计提供典型参考。设计将考虑不同的交通负荷和环境条件。
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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Tighe, Susan其他文献
A novel method for evaluating hot mix asphalt fatigue damage: X-ray computed tomography
- DOI:
10.1016/j.conbuildmat.2016.03.030 - 发表时间:
2016-06-15 - 期刊:
- 影响因子:7.4
- 作者:
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Evaluation of Mechanical Properties and Microscopic Structure of Coal Gangue after Aqueous Solution Treatment
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- DOI:
10.3390/ma12193207 - 发表时间:
2019-10-01 - 期刊:
- 影响因子:3.4
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Zhang, Yan;Yang, Xiaoyun;Tighe, Susan - 通讯作者:
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Assessing Pavement Friction Need for Safe Integration of Autonomous Vehicles into Current Road System
- DOI:
10.1061/(asce)is.1943-555x.0000615 - 发表时间:
2021-06-01 - 期刊:
- 影响因子:3.3
- 作者:
Zhao, Guangyuan;Liu, Liyuan;Tighe, Susan - 通讯作者:
Tighe, Susan
Tighe, Susan的其他文献
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{{ truncateString('Tighe, Susan', 18)}}的其他基金
High-Performance Materials and Management Systems to Support Resilient Pavement infrastructure
支持弹性路面基础设施的高性能材料和管理系统
- 批准号:
RGPIN-2021-03787 - 财政年份:2022
- 资助金额:
$ 4.48万 - 项目类别:
Discovery Grants Program - Individual
Real-world Comparison of Common Pavement Design Softwares
常见路面设计软件的实际比较
- 批准号:
550314-2020 - 财政年份:2021
- 资助金额:
$ 4.48万 - 项目类别:
Alliance Grants
High-Performance Materials and Management Systems to Support Resilient Pavement infrastructure
支持弹性路面基础设施的高性能材料和管理系统
- 批准号:
RGPIN-2021-03787 - 财政年份:2021
- 资助金额:
$ 4.48万 - 项目类别:
Discovery Grants Program - Individual
Resilient and durable concrete pavements
坚韧耐用的混凝土路面
- 批准号:
514909-2017 - 财政年份:2021
- 资助金额:
$ 4.48万 - 项目类别:
Collaborative Research and Development Grants
Resilient and durable concrete pavements
坚韧耐用的混凝土路面
- 批准号:
514909-2017 - 财政年份:2020
- 资助金额:
$ 4.48万 - 项目类别:
Collaborative Research and Development Grants
Real-world Comparison of Common Pavement Design Softwares
常见路面设计软件的实际比较
- 批准号:
550314-2020 - 财政年份:2020
- 资助金额:
$ 4.48万 - 项目类别:
Alliance Grants
Evaluation of asphalt properties in plant produced asphalt mixes
工厂生产的沥青混合料中沥青性能的评估
- 批准号:
530444-2018 - 财政年份:2020
- 资助金额:
$ 4.48万 - 项目类别:
Collaborative Research and Development Grants
Evaluating pavement structural benefits of lightweight cellular concrete
评估轻质蜂窝混凝土的路面结构效益
- 批准号:
514908-2017 - 财政年份:2019
- 资助金额:
$ 4.48万 - 项目类别:
Collaborative Research and Development Grants
Sustainable and Resilient Long Life Pavements
可持续且有弹性的长寿命路面
- 批准号:
RGPIN-2015-06469 - 财政年份:2019
- 资助金额:
$ 4.48万 - 项目类别:
Discovery Grants Program - Individual
Exploring a premium asphalt patching mixes by using 100% RAP recycler
使用%20100%%20RAP%20recycler 探索%20a%20premium%20asphalt%20patching%20mixes%20by%20
- 批准号:
533986-2018 - 财政年份:2019
- 资助金额:
$ 4.48万 - 项目类别:
Collaborative Research and Development Grants
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