Structural engineering

News and Updates

A slab of concrete with ragged edges sits on a warehouse floor as researchers use equipment to extract core samples.

NIST Provides Update on Investigation Into the Collapse of Champlain Towers South

September 7, 2023

Preliminary evaluations show additional deviations from design in pool deck construction, no underground voids.

NIST Earthquake Engineering Group Members Conduct a Preliminary Earthquake Reconnaissance Mission to Turkey

August 31, 2023

In the early morning hours of February 6, 2023, a M W 7.8 earthquake occurred in Turkey, followed by four additional earthquakes throughout the day with MW of 5

A woman in a NIST hard hat and other safety gear stands inside a warehouse holding a plastic bag labeled "Evidence."

New Videos Available on the NCST Champlain Towers South Investigation

June 23, 2023

See new video interviews of team members and footage from recent sample concrete coring.

Projects and Programs

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

Hardness and Coating Thickness Standardization and Measurements

Ongoing

As the U.S. National Metrology Institute (NMI), our objective is to standardize and improve hardness and coating thickness measurement both in the U.S. and

Seismic Response of Reinforced Concrete Walls

Ongoing

This project includes two critical problem-focused tasks in Performance Based Seismic Engineering (PBSE): (1) the evaluation of reinforced concrete wall models

Extreme Winds: Hazard Characterization and Structural Design Project

Ongoing

The project develops next-generation procedures for achieving designs that are safe, sustainable, and economical under extreme winds, consistent with priorities

Publications

A Practical Computational Fluid Dynamics Approach for Structural Engineering: Simulation of Approach Flow with Reduced Blockage Ratios

November 2, 2023

Author(s)

Yunjae Hwang, DongHun Yeo

Computational fluid dynamics (CFD) simulations for structural wind engineering applications require a fully developed boundary layer approach flow with

Multidisciplinary Research to Advance the Development of Functional Recovery for Community Resilience

July 27, 2023

Author(s)

Juan Fung, Yating Zhang, Dustin Cook, Siamak Sattar, Katherine Johnson

This article reviews current research and development efforts to advance the science supporting post-earthquake recovery-based performance objectives for

Sensitivity Analysis of Reinforced Concrete Structures: A Review

July 25, 2023

Author(s)

Mohammadamin Hariri Ardebili, Siamak Sattar

Retrofit and Repair of Reinforced Concrete Walls With FRP: A Review of Experimental Investigations

July 13, 2023

Author(s)

Jazalyn Dukes, Siamak Sattar

Retrofit and repair of structures occur under differing circumstances but are both necessary to improve existing building stock and increase resilience of