CAREER: Integrated Research and Education to Improve Pavement Sustainability Using Bio-Binder

职业:综合研究和教育,利用生物粘合剂提高路面可持续性

基本信息

  • 批准号:
    1928795
  • 负责人:
  • 金额:
    $ 1.5万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2019
  • 资助国家:
    美国
  • 起止时间:
    2019-02-01 至 2021-07-31
  • 项目状态:
    已结题

项目摘要

This Faculty Early Career Development (CAREER) project is to engineer sustainable alternatives to petroleum-based adhesives for use in construction and pavement. The research objective of the project is to test the hypothesis that introducing bio-binder to asphalt binder can change the phase structure within asphalt binder to produce bio-modified binder (BMB) with desired rheological and surface characteristics. Desired characteristics are an increase in BMB's adhesion strength and stress release rate, and a reduction of its viscosity at corresponding temperatures. This in turn can improve pavement sustainability in several ways: 1) an increase in adhesion strength between binder and aggregate can reduce moisture damage in pavement, 2) an increase in binder's stress release rate can reduce low temperature cracking in pavement, and 3) a reduction in binder viscosity can facilitate use of reclaimed asphalt pavement and recycled asphalt shingles in paving mixtures. It is hypothesized that when bio-binder is added to the asphalt binder, bio-binder molecules penetrate into the asphalt binder's matrix changing its chain conformation and molecular packing. The interchain interactions between the long alkyl chains of the bio-binder and those of the asphalt molecules' side chains hinder the stacking of the aromatic cores of the asphalt molecules improving asphalt's properties. Molecular dynamics simulations will be implemented to study how the two materials interact and how their interactions impact rheology, aging and adhesion characteristics of the bio-modified binder. This project opens a new paradigm in asphalt material characterization and modeling, enabling an integration of chemistry and mechanics while enhancing pavement sustainability and revolutionizing waste management practices for better environmental protection. It will offer a simultaneous approach to sequester carbon and address problems associated with manure management while improving pavement sustainability and enhancing U.S. economic competiveness by reducing dependence on petroleum resources. The broader impact of the project will be further expanded by reaching audiences ranging from university educators to industry practitioners, farmers and K-12 deaf students to achieve educational goal of the project including 1) enhancing students' knowledge in the area of sustainable pavement and 2) providing professionals and decision makers with the scientific rationale underlying the use of bio-binder.
该学院早期职业发展(CAREER)项目旨在设计用于建筑和路面的石油基粘合剂的可持续替代品。 本项目的研究目的是验证在沥青结合料中引入生物结合料可以改变沥青结合料内部的相结构,从而产生具有所需流变学和表面特性的生物改性结合料(BMB)的假设。 期望的特性是BMB的粘合强度和应力释放速率的增加,以及其在相应温度下的粘度的降低。 这反过来又可以通过几种方式提高路面的可持续性:1)增加粘合剂和骨料之间的粘附强度可以减少路面的水分损害,2)增加粘合剂的应力释放速率可以减少路面的低温开裂,以及3)降低粘合剂粘度可以促进在铺路混合物中使用再生沥青路面和再生沥青瓦。 据推测,当生物粘合剂被添加到沥青粘合剂中时,生物粘合剂分子渗透到沥青粘合剂的基质中,改变其链构象和分子堆积。 生物粘合剂的长烷基链与沥青分子侧链之间的链间相互作用阻碍沥青分子的芳族核的堆叠,从而改善沥青的性质。 将实施分子动力学模拟来研究两种材料如何相互作用以及它们的相互作用如何影响生物改性粘合剂的流变学、老化和粘附特性。 该项目开启了沥青材料表征和建模的新范式,实现了化学和力学的整合,同时提高了路面的可持续性,并彻底改变了废物管理实践,以更好地保护环境。它将提供一种同时固碳和解决与粪便管理相关的问题的方法,同时通过减少对石油资源的依赖来提高路面的可持续性和增强美国的经济竞争力。 该项目的更广泛影响将进一步扩大,覆盖从大学教育工作者到行业从业者、农民和K-12聋哑学生的受众,以实现该项目的教育目标,包括1)提高学生在可持续路面领域的知识,2)为专业人员和决策者提供使用生物粘合剂的科学依据。

项目成果

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Elham Fini其他文献

Elham Fini的其他文献

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{{ truncateString('Elham Fini', 18)}}的其他基金

PFI (MCA): Integrating Computational Chemistry with Machine Learning to Engineer Carbonaceous Adsorbents for Volatile Organics
PFI (MCA):将计算化学与机器学习相结合,设计用于挥发性有机物的碳质吸附剂
  • 批准号:
    2121160
  • 财政年份:
    2022
  • 资助金额:
    $ 1.5万
  • 项目类别:
    Standard Grant
Planning Grant: Engineering Research Center for Innovative Built and Regenerative Environments for Advancing Timeless Habitability and Equity (I-BREATHE)
规划拨款:创新建筑和再生环境工程研究中心,促进永恒的宜居性和公平性(I-BREATHE)
  • 批准号:
    2124284
  • 财政年份:
    2021
  • 资助金额:
    $ 1.5万
  • 项目类别:
    Standard Grant
HBCU DCL: EAGER: Engineering A Sustainable Bio-based Nano Composite from Biomass Using A Bottom-up Synthesis and Characterization Approach
HBCU DCL:EAGER:使用自下而上的合成和表征方法从生物质中设计可持续的生物基纳米复合材料
  • 批准号:
    1928807
  • 财政年份:
    2019
  • 资助金额:
    $ 1.5万
  • 项目类别:
    Standard Grant
INSPIRE: Engineering Sustainable Bio-adhesives from Algae for the Built Environment
INSPIRE:利用藻类为建筑环境设计可持续生物粘合剂
  • 批准号:
    1935723
  • 财政年份:
    2019
  • 资助金额:
    $ 1.5万
  • 项目类别:
    Standard Grant
HBCU DCL: EAGER: Engineering A Sustainable Bio-based Nano Composite from Biomass Using A Bottom-up Synthesis and Characterization Approach
HBCU DCL:EAGER:使用自下而上的合成和表征方法从生物质中设计可持续的生物基纳米复合材料
  • 批准号:
    1737620
  • 财政年份:
    2017
  • 资助金额:
    $ 1.5万
  • 项目类别:
    Standard Grant
INSPIRE: An Evolutionary Paradigm in Design and Engineering of Bio-Adhesives from Bio-mass
INSPIRE:生物质生物粘合剂设计和工程的进化范式
  • 批准号:
    1546921
  • 财政年份:
    2015
  • 资助金额:
    $ 1.5万
  • 项目类别:
    Standard Grant
EAGER: Application of a Bottom-up Approach to Study Bio-adhesives Molecular Conformation
EAGER:应用自下而上的方法研究生物粘合剂分子构象
  • 批准号:
    1308728
  • 财政年份:
    2013
  • 资助金额:
    $ 1.5万
  • 项目类别:
    Standard Grant
Targeted Infusion Project Grant: Incorporation of Sustainability Concepts into Undergraduate Civil Engineering Curriculum Using Project-Based Learning
有针对性的注入项目补助金:利用基于项目的学习将可持续性概念纳入本科土木工程课程
  • 批准号:
    1238852
  • 财政年份:
    2012
  • 资助金额:
    $ 1.5万
  • 项目类别:
    Standard Grant
CAREER: Integrated Research and Education to Improve Pavement Sustainability Using Bio-Binder
职业:综合研究和教育,利用生物粘合剂提高路面可持续性
  • 批准号:
    1150695
  • 财政年份:
    2012
  • 资助金额:
    $ 1.5万
  • 项目类别:
    Standard Grant
I-Corps: Commercialization Feasibility Research and Demonstration Preparation for Production of Bio-adhesive from Animal Waste
I-Corps:动物粪便生产生物粘合剂商业化可行性研究及示范准备
  • 批准号:
    1246330
  • 财政年份:
    2012
  • 资助金额:
    $ 1.5万
  • 项目类别:
    Standard Grant

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