IRES: U.S.-Turkey Research Collaboration in Conservation Engineering

国家科学基础建议摘要建议：1559540 PI名称：Erdogmus，欧洲经委会建议标题：美国-土耳其在保护工程方面的研究合作机构：内布拉斯加大学林肯分校(奥马哈校区)摘要日期：03/24/16历史/现有建筑的修复是一个研究成熟的领域。随着美国越来越多的老化建筑，劳动力发展的需求越来越大，以应对未来几年历史保护的潜力。该项目的目标是培养一支在历史保护项目的工程方面受过专门培训并具有全球意识的专家队伍。为了满足这一需求，内布拉斯加-林肯大学的埃尔多姆斯博士将与土耳其伊兹密尔理工学院(IZTECH)合作。这个为期3年的项目将把9名美国学生带到土耳其进行为期7周的历史保护工程暑期研究。PI打算每年从任职人数不足的群体中招聘至少50%的人员。IZTECH的土耳其导师是MINE Turan博士和Engin Aktas博士，他们分别代表建筑修复和土木工程部门。在东道主和PI的经验丰富的领导下，参与该项目的美国学生将获得有意义的和全面的研究体验，包括IZTECH校园的实验室工作和涉及历史遗址的各种实地应用。这一为期三年的美国-土耳其IRES项目将让美国研究生和本科生参与结构工程与保护相结合的研究项目，重点有三个主题：1)工程-保护协调，在干预之前评估历史建筑和材料，2)工程-保护协调，为历史翻新开发兼容材料，以及3)干预后评估和结构倒塌安全的风险分析。在每个重点主题下，IRES的学生将进行特定的项目和任务；即，学生将：a)开发一种新的方法，以提供复杂场地的闭合反馈回路，其中包括基于无损评估(NDE)的每个元素的评级系统，该系统将视觉评估与其内部损坏级别相关联。这将为不同的本构模型提供信息，并有助于保护干预的设计。B)调查来自不同地点的现代水泥的化学和机械性能，以评估它们在与不同历史石头配对时在极端高温、盐水和冻融循环下的行为。C)开发历史结构的决策算法，使用概率评估和灵敏度分析来确定安全问题，并预测给定结构保持安全的设计事件重现间隔。然后，该算法将支持支持或反对干预的决策，确保只对历史遗址应用最低水平的侵入性干预。这项工作是由NSF国际科学与工程办公室(OISE)的IRES计划资助的。

NATIONAL SCIENCE FOUNDATIONProposal AbstractProposal: 1559540 PI Name: Erdogmus, Ece Proposal Title: U.S.-Turkey Research Collaboration in Conservation EngineeringInstitution: University of Nebraska-Lincoln (Omaha Campus)Abstract Date: 03/24/16Rehabilitation of historical/existing structures is an area ripe for research. With an increasing number of aging structures in the United States, there is a growing need for workforce development to address the potential for historic preservation in coming years. The goal of this project is to develop a cadre of experts with specialized training and global awareness in the engineering aspects of historical preservation projects. To address this need, Dr. Erdogmus from the University of Nebraska-Lincoln will collaborate with the Izmir Institute of Technology (IZTECH) of Turkey. This 3-year program will bring a group of nine US students to Turkey for a seven-week summer research in historic preservation engineering. It is the intention of the PI to recruit at least 50% of the cohort each year from underrepresented groups. The Turkish mentors from IZTECH are Dr. Mine Turan and Dr. Engin Aktas, representing the Architectural Restoration and Civil Engineering Departments, respectively. Under the experienced leadership of the hosts and the PI, the US students participating in the program will be provided with meaningful and comprehensive research experiences comprised of lab-work at IZTECH campus and a variety of field-applications that involve historical sites. This three year U.S.-Turkey IRES program will involve American graduate and undergraduate students in research projects at the interface of structural engineering and conservation with three focus themes: 1) Engineering- conservation coordination for assessment of historical structures and materials prior to an intervention, 2) Engineering- conservation coordination for the development of compatible materials for historical retrofits, and 3) Post-Intervention assessment and risk analysis for the collapse-safety of structures. Under each of these focus themes, the IRES students will conduct specific projects and tasks; namely, the students will: a) Develop a novel method to provide a closed feedback loop on complex sites, which involves a nondestructive evaluation (NDE) based rating system for each element correlating the visual assessments to its interior damage levels. This will then inform variant constitutive models and aid in the design for the conservation intervention. b) Investigate chemical and mechanical properties of modern cements from different locations in order to evaluate their behavior under extreme heat, salt water, and freeze-thaw cycles when paired with different historical stones. c) Develop a decision making algorithm for historical structures using probabilistic assessments and sensitivity analyses to identify safety concerns and to predict design event recurrence intervals for which a given structure remains safe. This algorithm will then support decisions for or against intervention, ensuring only a minimum level of invasive intervention applied to the historic site. This work is funded by the IRES program of NSF Office of International Science and Engineering (OISE).