I-Corps: Bio-inspired ground anchor technology

I-Corps:仿生地锚技术

基本信息

  • 批准号:
    2224250
  • 负责人:
  • 金额:
    $ 5万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2022
  • 资助国家:
    美国
  • 起止时间:
    2022-06-01 至 2024-05-31
  • 项目状态:
    已结题

项目摘要

The broader impact/commercial potential of this I-Corps project is the development of a bio-inspired ground anchor technology. Ground anchors are a structural component of many retaining walls and building foundations that resist forces attempting to pull the structure from the ground by transferring those forces to the surrounding soil. Such forces are called pullout loads. The conventional ground anchor may be fabricated and installed easily using simple tooling and components, but they are not highly efficient at resisting pullout loads. An economically competitive alternative to conventional ground anchors must be nearly as simple to install and more efficient in its use of materials. The proposed technology uses a bio-inspired root design to meet these criteria. The geometric design of root systems resists pullout loads more efficiently than the cylindrical external interfaces of conventional ground anchors. The proposed technology seeks to develop higher pullout load capacities than conventional anchors within a shorter bonded length. Shorter anchors use less cement and steel, require less drilling, consume less diesel fuel, and require fewer working hours to install.This I-Corps project is based on the development of a root-inspired ground anchor system. Prototypes have been studied in the lab as well as in preliminary field trials and they have demonstrated the feasibility of installing, expanding, and loading the bio-inspired system. The ongoing research is focused on scaling-up the technology to full field-scale using both numerical simulations and field tests on instrumented anchors. The proposed anchor consists of three primary components: a stressing element identical to the steel cables or bars used in conventional ground anchors; an expansive root mechanism, which is initially cylindrical but expands during installation to mimic the geometry of plant roots; and cement grout, which gives the systems stiffness and protects its components from corrosion. Certain plant species have root systems that anchor the organism in the soil much more efficiently than any ground anchors currently used in civil infrastructure; Their capacity to resist pullout loads is very high relative to the mass of the root system. The expansive root mechanism of the proposed technology seeks to use the geometric principles of these root systems to resist pullout loads more efficiently than the cylindrical external interfaces of a conventional ground anchor.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
I-Corps项目更广泛的影响/商业潜力是开发一种仿生地锚技术。地锚是许多挡土墙和建筑基础的结构组成部分,通过将这些力转移到周围的土壤中来抵抗试图将结构从地面拉出的力。这种力称为拉出载荷。传统的地锚可以使用简单的工具和组件轻松制造和安装,但它们在抵抗拉出载荷方面效率不高。与传统地锚相比,具有经济竞争力的替代品必须安装简单,材料使用效率更高。提出的技术使用生物启发的根设计来满足这些标准。根系的几何设计比传统地锚的圆柱形外部界面更有效地抵抗拔出载荷。所提出的技术旨在在较短的粘结长度内开发比传统锚杆更高的拉拔载荷能力。更短的锚使用更少的水泥和钢材,需要更少的钻井,消耗更少的柴油,并且需要更短的工作时间来安装。这个I-Corps项目是基于一种基于根的地锚系统的发展。原型已经在实验室和初步的现场试验中进行了研究,并证明了安装、扩展和加载仿生系统的可行性。目前正在进行的研究重点是通过数值模拟和仪器锚的现场测试,将该技术扩大到全现场规模。该锚由三个主要部分组成:与传统地锚中使用的钢索或钢筋相同的应力元件;一个膨胀的根机制,它最初是圆柱形的,但在安装过程中会扩展,以模仿植物根的几何形状;水泥灌浆,它赋予系统刚度并保护其组件免受腐蚀。某些植物物种的根系比目前民用基础设施中使用的任何地面锚锚都更有效地将生物锚定在土壤中;相对于根系的质量,它们抗拔负荷的能力非常高。该技术的膨胀根机制寻求利用这些根系统的几何原理,比传统地锚的圆柱形外部界面更有效地抵抗拔出载荷。该奖项反映了美国国家科学基金会的法定使命,并通过使用基金会的知识价值和更广泛的影响审查标准进行评估,被认为值得支持。

项目成果

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David Frost其他文献

Can fitness and movement quality prevent back injury in elite task force police officers? A 5-year longitudinal study
健身和运动质量可以预防精英特遣队警官的背部受伤吗?一项为期 5 年的纵向研究
  • DOI:
  • 发表时间:
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Stuart McGill;David Frost;Thomas Lam;Tim Finlay;Kevin Darby;Jordan Cannon
  • 通讯作者:
    Jordan Cannon
Automated Prospective Clinical Surveillance for Inpatients at Elevated Risk of One-year Mortality Using a Modified Hospital One-Year Mortality Risk (mHOMR) Score
  • DOI:
    10.1016/j.jpainsymman.2018.10.190
  • 发表时间:
    2018-12-01
  • 期刊:
  • 影响因子:
  • 作者:
    James Downar;Gayathri Embuldeniya;Shahin Ansari;Ellen Koo;Daniel Kobewka;Erin O'Connor;Peter Wu;Peter Wegier;David Frost;Leah Steinberg;Russell Goldman;Chaim Bell;Tara Walton;Judy Costello; Carl van Walraven
  • 通讯作者:
    Carl van Walraven
Parent-adolescent Sexual Health Communication: Is Parent Knowledge of Adolescent Sexual Behavior a Marker of Communication Quality?
  • DOI:
    10.1016/j.jadohealth.2013.10.195
  • 发表时间:
    2014-02-01
  • 期刊:
  • 影响因子:
  • 作者:
    Julia Potter;David Frost;Karen Soren;John Santelli
  • 通讯作者:
    John Santelli
Aorto-Coronary Vein Fistula: A Complication of Coronary Artery Bypass Graft Surgery
  • DOI:
    10.1378/chest.79.1.64
  • 发表时间:
    1981-01-01
  • 期刊:
  • 影响因子:
  • 作者:
    Mark R. Starling;Bertron M. Groves;David Frost;Richard Toon;Kit V. Arom
  • 通讯作者:
    Kit V. Arom

David Frost的其他文献

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{{ truncateString('David Frost', 18)}}的其他基金

SitS NSF-UKRI: Rapid Deployment of Multi-Functional Modular Sensing Systems in the Soil
SitS NSF-UKRI:在土壤中快速部署多功能模块化传感系统
  • 批准号:
    1935548
  • 财政年份:
    2019
  • 资助金额:
    $ 5万
  • 项目类别:
    Standard Grant
Collaborative Research: GEER Post Disaster Reconnaissance
合作研究:GEER 灾后勘察
  • 批准号:
    1826118
  • 财政年份:
    2018
  • 资助金额:
    $ 5万
  • 项目类别:
    Continuing Grant
Engineered Thermal Transition Zones for Enhanced Geotechnical Foundation Systems
用于增强岩土基础系统的工程热过渡区
  • 批准号:
    1634493
  • 财政年份:
    2016
  • 资助金额:
    $ 5万
  • 项目类别:
    Standard Grant
Collaborative Research: Geotechnical Extreme Events Reconnaissance (GEER) Association: Turning Disaster Into Knowledge
合作研究:岩土极端事件勘察 (GEER) 协会:将灾难转化为知识
  • 批准号:
    1265761
  • 财政年份:
    2013
  • 资助金额:
    $ 5万
  • 项目类别:
    Continuing Grant
Collaborative Research: Geoengineering Extreme Events Reconnaissance (GEER) Association : Turning Disaster Into Knowledge
合作研究:地球工程极端事件侦察(GEER)协会:将灾难转化为知识
  • 批准号:
    0825507
  • 财政年份:
    2008
  • 资助金额:
    $ 5万
  • 项目类别:
    Continuing Grant
SGER: Digital Technology Enhanced Collection of Perishable Hurricane Damage Data
SGER:数字技术增强了易腐烂飓风损害数据的收集
  • 批准号:
    0553144
  • 财政年份:
    2005
  • 资助金额:
    $ 5万
  • 项目类别:
    Standard Grant
Micro-Geomechanics Across Multiple Strain Scales - An International Workshop
跨多个应变尺度的微观地质力学 - 国际研讨会
  • 批准号:
    0444271
  • 财政年份:
    2004
  • 资助金额:
    $ 5万
  • 项目类别:
    Standard Grant
InfinitEnergy: A Coastal Georgia Partnership for Innovation
InfinitEnergy:乔治亚州沿海创新合作伙伴关系
  • 批准号:
    0332613
  • 财政年份:
    2003
  • 资助金额:
    $ 5万
  • 项目类别:
    Continuing Grant
Digital Data Collection for Damage Assessment at World Trade Center
世贸中心损害评估数字数据收集
  • 批准号:
    0139258
  • 财政年份:
    2001
  • 资助金额:
    $ 5万
  • 项目类别:
    Standard Grant
Acquisition of Instrumentation for Non-Contact Multi-Scale Material Response Measurement
购置非接触式多尺度材料响应测量仪器
  • 批准号:
    0079589
  • 财政年份:
    2000
  • 资助金额:
    $ 5万
  • 项目类别:
    Standard Grant

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