Post-Fire Damage Inspection of Concrete Structures Phase III – In-Situ Experimental Phase

Toscano, Tom; Gerasimidis, Simos; Civjan, Scott; University of Massachusetts at Amherst. Transportation Center

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ROSA P serves as an archival repository of USDOT-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by USDOT or funded partners. As a repository, ROSA P retains documents in their original published format to ensure public access to scientific information.

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Post-Fire Damage Inspection of Concrete Structures Phase III – In-Situ Experimental Phase

2024-10-01
By Toscano, Tom ; Gerasimidis, Simos ; Civjan, Scott

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English

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Details:

Creators:

Toscano, Tom ; Gerasimidis, Simos ; Civjan, Scott

Toscano, Tom ; Gerasimidis, Simos ; Civjan, Scott Less -
Corporate Creators:

University of Massachusetts at Amherst. Transportation Center
Contributors:

Czach, John
Corporate Contributors:

Massachusetts. Department of Transportation. Office of Transportation Planning ; United States. Department of Transportation. Federal Highway Administration

Massachusetts. Department of Transportation. Office of Transportation Planning ; United States. Department of Transportation. Federal Highway Administration Less -
Subject/TRT Terms:

[+]

Cement Cementitious Fireproofing Concrete Structures Field Tests Fire-Induced Structural Damage Fire Prevention Fire Resistance Fire Resistance Of Steel Structures Fires Heat Insulating Materials Heat Transfer Devices Heat Transfer Mechanisms High-Temperature Performance High Temperature Inspection Steel Structures Thermal Insulation In Tunnels Tunnel Infrastructure Protection Tunnels
Publication/ Report Number:

24-064
Resource Type:

Tech Report
Geographical Coverage:

Massachusetts ; United States

Massachusetts ; United States Less -
Edition:

Final Report October 2024 (Sept. 2024 - December 2024)
Corporate Publisher:

Massachusetts. Dept. of Transportation. Office of Transportation Planning
Abstract:

Cementitious fireproofing has become an essential technique for safeguarding tunnel infrastructure against fire-induced damage, principally by providing a thermal barrier between flexural members and a fire event. Although fireproofing is extensively employed across different sectors, its specific utilization and efficacy in tunnel scenarios is inadequately explored. This research examines the thermal performance of cementitious fireproofing applied to steel beams within tunnels under intense fire conditions, as specified by ASTM E119 standards. The study indicates that beams with fireproofing exhibit substantial temperature reductions, achieving up to a 50% decrease compared to unprotected beams, thus delaying thermal degradation effectively. The results highlight the significance of fireproofing in prolonging the time prior to reaching critical temperatures, consequently mitigating structural damage during fire exposure. Furthermore, partial fireproofing demonstrated to offer significant protection, underlining its utility in situations where complete coverage may not be practical. The study underscores the critical role of cementitious fireproofing in enhancing the fire resilience of tunnel structures and its significance in protecting vital infrastructure during fire incidents.
Format:

PDF
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha-512:e99d1cfd9d2a2e7e789b0d4480142f0ff17e0321e143a87c194a96e5cdd5bfdb30783b0b4189613edcaed00a7cb2c70b0d6f9b397371072467385295efd87f3a
Download URL:

https://rosap.ntl.bts.gov/view/dot/79352/dot_79352_DS1.pdf
File Type:

[PDF-13.76 MB]