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Opportunity at National Institute of Standards and Technology (NIST)

Improving Functional Recovery of Buildings and Infrastructure Systems

Location

Engineering Laboratory, Materials and Structural Systems Division

RO# Location
50.73.11.C0169 Gaithersburg, MD

Please note: This Agency only participates in the February and August reviews.

Advisers

Name E-mail Phone
Nikolaou, Sissy sissy.nikolaou@nist.gov 917.301.2507
Sattar, Siamak siamak.sattar@nist.gov 301.975.6391

Description

This research opportunity focuses on improving the functional recovery of buildings and infrastructure systems after natural hazards. Opportunities exist for (1) developing a framework for design of buildings and infrastructure systems to meet recovery-based objectives (functional recovery framework), (2) developing design criteria for achieving recovery-based objectives, (3) computing the collapse risk of new and existing buildings and infrastructure systems, (3) developing improved nonlinear modeling capabilities to evaluate the response of new and existing structures, (4) applying the Fiber Reinforced Polymer (FRP) retrofit design to improve the performance of existing structures, (5) studying the feasibility of using high strength materials in reinforced concrete structures for seismic applications, (6) quantifying the impact of earthquake strong ground motions, their characteristics and their selection on building design and assessment, structures, (7) conducting analytical and experimental studies on reinforced concrete structural components in new, existing, and retrofitted/repaired structures, (8) quantifying the effects of uncertainties on the prediction of structural response, and (9) evaluating the effectiveness and conducting cost assessment analysis of available retrofitting approaches to mitigate earthquake vulnerabilities in existing buildings, especially nonductile systems.

 

Siamak Sattar, Therese McAllister, Katherine Johnson, Christopher Clavin, Christopher L Segura, Steven McCabe, Juan Fung, Marc Levitan, Kenneth Harrison, John Harris, “Research Needs to Support Immediate Occupancy Building Performance Following Natural Hazards", (2018), NIST SP-1224, National Institute of Standards and Technology, Gaithersburg, MD.

Raul Uribe, Siamak Sattar, Matthew Speicher, and Luis Ibarra “Influence of Ground Motion Selection on the Assessment of a Steel Moment Frame Buildings”, Earthquake Spectra, (2019), 35(4), 1611-1635.

Juan Fung, Siamak Sattar, David Butry, Steven McCabe, “A Predictive Modeling Approach to Estimating Seismic Retrofit Costs”, Earthquake Spectra, (2019), 36 (2), 579-598.

Honglan Huang H., Henry Burton, Siamak Sattar, “Development and utilization of a database of infilled frame experiments for numerical modeling”, Journal of Structural Engineering, (2020), 146 (6).

Siamak Sattar, “Evaluating the Consistency between Prescriptive and Performance-Based Seismic Design Approaches for Reinforced Concrete Moment Frames: ASCE 7 versus ASCE 41”, Engineering Structures, (2018), 174, 919-931.

Siamak Sattar, Liel A.B., “Collapse Indicators for Existing Nonductile Concrete Frame Buildings with Varying Column and Frame Characteristics”, Engineering Structures, (2017), 152, 188-201.

Sattar, Siamak and Abbie B. Liel “Seismic Performance of Nonductile Reinforced Concrete Frames with Masonry Infill Walls: I. Development of Strut Model Enhanced by Finite Element Models”, Earthquake Spectra, (2015), 32 (2), 795-818.

Sattar, Siamak and Abbie B. Liel “Seismic Performance of Nonductile Reinforced Concrete Frames with Masonry Infill Walls: II. Collapse Assessment”, Earthquake Spectra, (2015), 32 (2), 819-842.

Hariri-Ardabili, Mohammad A., Siamak Sattar, Homayoon Estekanchi, “Advanced Performance-Based Seismic Assessment of Concentrically Braced Frames using THA, IDA and ETA Methods”, Journal of Engineering Structures, 69 (2014), pp. 216-234.

Keywords:
Functional Recovery; Seismic Performance; Earthquake Engineering; Performance-based Seismic Design; Uncertainty Quantification; Reinforced Concrete Structures; Collapse Assessment; Ground Motion Selection; High Strength Reinforcement; FRP retrofit; Cost Assessment Analysis

Eligibility

Citizenship:  Open to U.S. citizens
Level:  Open to Postdoctoral applicants

Stipend

Base Stipend Travel Allotment Supplementation
$72,750.00 $3,000.00
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