André R. Barbosa

Oregon State University

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Daniel T. Cox

Oregon State University

Arijit Sinha

Oregon State University

John W. van de Lindt

Colorado State University

Luís Neves

University of Nottingham

David Trejo

Oregon State University

Mohammad S. Alam

University of Notre Dame

Michael J. Olsen

Oregon State University

Shiling Pei

Colorado School of Mines

Mariapaola Riggio

Oregon State University

Hyoungsu Park

University of Hawaiʻi at Mānoa

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Oregon State University

106

ORCID

Colorado State University

National Society for Earthquake Technology

University of Washington

University of California, San Diego

Texas A&M University

University of Lisbon

Stanford University

Universidade do Porto

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Elsevier eBooks (2017)

Surya P. Acharya Sujan Raj Adhikari André R. Barbosa Ayush Baskota Gopi K. Basyal

10.1016/b978-0-12-812808-4.00016-x

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Citations (0)

Monitored Indoor Environmental Quality of a Mass Timber Office Building: A Case Study

Buildings (2019)

Jason Stenson Suzanne L. Ishaq Aurélie Laguerre Andrew Loia Georgia MacCrone

A broad range of building performance monitoring, sampling, and evaluation was conducted periodically after construction and spanning more than a year, for an occupied office building constructed using mass timber elements such as cross-laminated timber (CLT) floor and roof panels, as well as glue-laminated timber (GLT) beams and columns. This case study contributes research on monitoring indoor environmental quality in buildings, describing one of the few studies of an occupied mass timber building, and analyzing data in three areas that impact occupant experience: indoor air quality, bacterial community composition, and floor vibration. As a whole, the building was found to perform well. Volatile organic compounds (VOCs), including formaldehyde, were analyzed using multiple methods. Formaldehyde was found to be present in the building, though levels were below most recommended exposure limits. The source of formaldehyde was not able to be identified in this study. The richness of the bacterial community was affected by the height of sampling with respect to the floor, and richness and composition was affected by the location within the building. Floor vibration was observed to be below recognized human comfort thresholds.

GLUE

10.3390/buildings9060142

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Citations (14)

Damage Reconnaissance of Unreinforced Masonry Bearing Wall Buildings after the 2015 Gorkha, Nepal, Earthquake

Earthquake Spectra (2017)

Giuseppe Brando Davide Rapone Enrico Spacone Matt O’Banion Michael J. Olsen

This paper documents and analyzes the seismic behavior of unreinforced masonry (URM) buildings that were damaged by the 2015 Gorkha earthquake in Nepal, and reports on the performance of palaces, giving an overview on the failures suffered by significant examples of these monumental buildings. Field reconnaissance was completed through both rapid, in-situ visual assessment and state-of-the-art procedures utilizing light detection and ranging (lidar) and virtual reality (VR) technologies. Both the visual and virtual assessments were compared for 20 structures and were generally consistent; however, the virtual assessment process enabled detection of damage that could not be captured or was difficult to distinguish in the field observations. Further, both in-plane and out-of-plane mechanisms were analyzed and attributed to specific structural deficiencies that usually characterize poorly detailed masonry buildings. Moreover, wall overturning was correlated with the peculiarities of the pseudo-accelerations and rocking response spectra of the earthquake.

Unreinforced masonry building

10.1193/010817eqs009m

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Citations (65)

Hurricanes Irma and Maria post-event survey in US Virgin Islands

Coastal Engineering Journal (2019)

Daniel T. Cox Taro ARIKAWA André R. Barbosa Greg Guannel Daisuke Inazu

Hurricanes Irma and Maria caused catastrophic damages across the Caribbean Islands during the 2017 hurricane season. After the storms, a joint United States–Japanese team investigated coastal impacts in the US Virgin Islands, which are composed of the islands of St. Thomas, St. John, Water Island, and St. Croix. Coastal inundation was dominated by wave run-up in almost all locations, with many locations showing inundation exceeding 4-m elevation from mean sea level. In contrast, maximum elevations recorded at tide gauges did not exceed 1 m at any location. Coastal damage was relatively minor for such strong hurricanes because of the lack of heavy development at low elevations on the most exposed coastlines. Many moored vessels were destroyed, and coastal structures and infrastructure within the inundation region suffered significant damage. However, few large structures experienced catastrophic losses from coastal inundation. In contrast, strong winds caused extensive structural damage throughout the US Territory. Evidence was seen for past inundation of the coastline, but could not be conclusively linked to any particular events.

Storm Surge

Elevation (ballistics)

Coastal flood

Tide gauge

10.1080/21664250.2018.1558920

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Citations (32)

A numerical methodology for estimating site-specific cascading earthquake and tsunami dynamic loading on critical infrastructure

International Journal of Disaster Risk Reduction (2023)

Cláudia Reis André R. Barbosa María Ana Baptista Mário Lopes Stéphane Clain

Earthquake simulation

Strong ground motion