Projects/Programs

Displaying 1 - 18 of 18

Advancing the Seismic Implementation of High Strength Reinforcement Bars in Reinforced Concrete Structural Wall Systems

Completed

Grade 60 reinforcement, with a nominal yield strength of 60 ksi (420 MPa), has been the primary type of reinforcement used in concrete construction in the US

Building-Level Seismic Performance Assessment

Ongoing

This project focuses on two research tasks promoting enhanced seismic building performance. Research Task 1 investigates the use of low-damage rocking systems

Collapse Assessment of Buildings under Seismic Loading

Completed

NIST recently completed a multi-year study of three structural steel framing systems to evaluate the correlation between ASCE/SEI 7 (ASCE 2010) and ASCE/SEI 41

Collapse Performance Modeling of Nonductile Reinforced Concrete Columns under Combined Axial and Seismic Loading

Completed

This project studies the collapse performance of concrete columns that do not meet the stringent reinforcement requirements for special columns defined by ACI

Developing Cost-Effective Relationships Between Federal Building Profiles and Seismic Retrofit Cost

Completed

Advancements in measurement science are needed to evaluate the benefits and costs of risk mitigation activities (retrofits) implemented to improve seismic

Earthquake Risk Reduction in Buildings and Infrastructure Program

Ongoing

The Earthquake Risk Reduction in Buildings and Infrastructure Program conducts critical research to advance measurement science and enhance performance of the

Energy-based collapse assessment of framed structures for performance-based seismic engineering

Completed

The onset of structural collapse is used as the acceptance criterion in performance-based seismic engineering, but there is no consensus on how to define

Functional Recovery of Buildings and Lifelines

Ongoing

This project advances key areas of engineering knowledge and practice that are necessary for the development of a robust framework for functional recovery

Improved Assessment Criteria for Performance-Based Seismic Design

Completed

The methodologies contained within ASCE/SEI 41 are currently the standard-of-practice for performance-based seismic design in the U.S. This project intends to

National Earthquake Hazards Reduction Program (NEHRP) Coordination

Completed

This is an annually renewed project that supports NIST's Lead Agency coordination of National Earthquake Hazards Reduction Program (NEHRP) research and

NEHRP Extramural Research

Completed

Research performed by the EL Earthquake Engineering Group (2EG) consists of a combination of in-house and extramural research. Policy related work is awarded to

Options for Improving Post-Earthquake Re-Occupancy and Functional Recovery Time

Ongoing

The goal of this project is to assess and recommend options for improving the built environment and critical infrastructure to reflect performance goals stated

Performance Criteria Development

Ongoing

Experimental and analytical data are vital for advancing seismic design standards (e.g., ASCE 7, ASCE 41, AISC 341, ACI 318) and are essential for developing

Quantification of Material, Loading, and Modeling Uncertainties of Reinforced Concrete Column Components and Frame Systems under Seismic and Gravity Loads for Use in PBSE

Completed

Performance-Based Earthquake Engineering (PBEE) has provided a probabilistic framework to predict the response of the structural systems by incorporating the

Earthquake Engineering Group

Projects/Programs

Advancing the Seismic Implementation of High Strength Reinforcement Bars in Reinforced Concrete Structural Wall Systems

Building-Level Seismic Performance Assessment

Collapse Assessment of Buildings under Seismic Loading

Collapse Performance Modeling of Nonductile Reinforced Concrete Columns under Combined Axial and Seismic Loading

Developing Cost-Effective Relationships Between Federal Building Profiles and Seismic Retrofit Cost

Earthquake Risk Reduction in Buildings and Infrastructure Program

Energy-based collapse assessment of framed structures for performance-based seismic engineering

Functional Recovery of Buildings and Lifelines

Improved Assessment Criteria for Performance-Based Seismic Design

National Earthquake Hazards Reduction Program (NEHRP) Coordination

NEHRP Extramural Research

Options for Improving Post-Earthquake Re-Occupancy and Functional Recovery Time

Performance Criteria Development

Quantification of Material, Loading, and Modeling Uncertainties of Reinforced Concrete Column Components and Frame Systems under Seismic and Gravity Loads for Use in PBSE

Reliability of Fiber Reinforced Composite Systems in Resilient Infrastructure

Risk Evaluation and Mitigation

Seismic Assessment and Retrofit of Pre-Northridge Earthquake Panel Zones in Steel Moment Frames

Seismic Performance of Steel Buildings in the Central and Eastern United States

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