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Fire Technology OnlineFirst articles

Open Access 10.05.2024

Understanding Fire and Rescue Service Practices Through Problems and Problem-Solving Networks: An Analysis of a Critical Incident

This study explores how the Fire and Rescue Service can better prepare for solving complex problems in emergencies by using the concept of problems and problem-solving networks. Primary and secondary data from an extensive fire incident were …

verfasst von:
Lotta Vylund, Tove Frykmer, Margaret McNamee, Kerstin Eriksson

Open Access 09.05.2024

Probabilistic Performance-based Fire Design of Structures: A Hazard-Centred and Consequence-Oriented Perspective

Risk-based design and assessment methods are gaining popularity in performance-based structural fire engineering. These methods usually start by defining a set of hazard scenarios to use as analysis inputs. This approach, proven highly effective …

verfasst von:
Andrea Franchini, Carmine Galasso, Jose L. Torero

Open Access 06.05.2024

A Simplified Method for Determining Fire Resistance of RC Columns Using Fire-Resistance-Column-Curves Approach

Eurocode-2 (EC2) empirical equation for fire resistance of RC columns is very sensitive to the value of column capacity at normal temperature conditions $$N_{Rd}$$ N Rd . Techniques to determine $$N_{Rd}$$ N Rd accurately for eccentric slender …

verfasst von:
Khaled Ahmed Mahmoud

Open Access 03.05.2024

Full-Scale Fire Experiments on Cross-Laminated Timber Residential Enclosures Featuring Different Lining Protection Configurations

The adoption of timber, specifically cross-laminated timber (CLT), as a primary construction material is gaining traction due to its carbon sequestration capabilities, environmental advantages, and potential for precision manufacturing. However …

verfasst von:
Danny Hopkin, Wojciech Węgrzyński, Carmen Gorska, Michael Spearpoint, Jakub Bielawski, Harald Krenn, Tim Sleik, Renaud Blondeau, Gordian Stapf

Open Access 01.05.2024

Understanding the Impact of Fuel on Surfactant Microstructure of Firefighting Foam

Aqueous film-forming foam is being phased out due to the environmental impacts of fluorinated surfactants contained in the firefighting foams. To develop an environmentally friendly firefighting foam, it is important to understand the factors …

verfasst von:
Rezawana Islam, Brian Y. Lattimer

Open Access 22.04.2024

Chemical and Thermal Exposure Risks in a Multi Compartment Training Structure

Providing NFPA 1403 compliant live-fire training can present thermal and chemical exposure risk to instructors and students. To reduce risk, training academies, fire departments, instructors, and standards setting technical committees need more …

verfasst von:
Gavin P. Horn, Keith Stakes, Danielle L. Neumann, Joseph M. Willi, Ryan Chaffer, Craig Weinschenk, Kenneth W. Fent

11.04.2024

A Systematic Review and Bibliometric Analysis of Electrical Fires from 1993 to 2022

In recent years, electrical fires, which constitute the majority of fire incidents, have become a significant concern. This paper presents a quantitative evaluation of the research on electrical fires from 1993 to 2022, using literature …

verfasst von:
Hong Meng, Lei Xiao, Cunwei Zhang, Tianwei Zhang, Dengyou Xia, Wenyang Dong

Open Access 08.04.2024

Analytical Model for Non-linear Relationships of Dowel-Type Timber Connections Exposed to Fire

Recent experimental evidence has shown that wood–steel–wood dowel-type connections exhibit a semi-rigid behaviour even after 90 min of fire exposure. Because a semi-rigid behaviour influences the bending moment distribution among structural …

verfasst von:
Yukito Nakayama, Takayuki Kikuchi, Marina Totsuka, Takeo Hirashima

03.04.2024

A Numerical Investigation of High-Strength Steel H-SA700 of Protected Beam with Cavity Under Elevated Temperature Including Creep Behavior

High-strength steel has been extensively used in numerous structures or high-rise buildings because of its high strength, ductility, and weldability. However, high-strength steel structures are vulnerable to fire hazards, so the ability to predict …

verfasst von:
Hoang Long Nguyen, Mamoru Kohno

02.04.2024

Using Older Adult Walking Speeds from Controlled Trials as Inputs for Occupants in Simulations

There is a need to revisit movement dataset(s) currently used as egress determinants to assess whether they are truly representative of the current diverse occupant base. This is particularly important with our aging population as these sets …

verfasst von:
Bronwyn Forrest, John Gales, Karen Van Ooteghem, Elizabeth Weckman

01.04.2024 | Review Paper

A Review of Additives for Water Mist Fire Suppression Systems

As the complexity and the cost of infrastructures have risen, the need for a fast, reliable, cost-effective and clean fire extinguishing system has become important. Water mist is a clean and effective technology to deal with most types of fires.

verfasst von:
Antonin Robinet, Khaled Chetehouna

31.03.2024

Optimization of Failure Modes of a Ductile Connection Under Fire Conditions

Connections are the most vulnerable parts of a structure under fire conditions. A novel steel connection with high axial and rotational ductility has been proposed with the objective to improve the performance of steel-framed buildings in fire.

verfasst von:
Yu Liu, Shan-Shan Huang, Ian Burgess, Bin Peng

24.03.2024

Experimental Research on Moisture Transfer, Burning and Charring Behavior of Glue Laminated Larch Under Fire Heating Using Cone Calorimeter

Cone calorimeter tests were conducted to investigate the moisture transfer, burning and charring behavior of timber under fire heating. 99 × 99 × 50 mm glue laminated larch specimens were made in cross grain and straight grain directions. The …

verfasst von:
Anyang Sun, Kazunori Harada, Daisaku Nii

24.03.2024

The Structural Behaviour of Cross-Laminated Timber Rib Panels in Fire

In the frame of a research project, the structural behaviour in fire of cross-laminated timber rib panels were studied based on numerical investigations. The floor system consists of cross-laminated timber plates rigidly bonded to glued-laminated …

verfasst von:
Miriam Kleinhenz, Alar Just, Andrea Frangi

23.03.2024

Numerical Study on High Strength Q690 Steel Flush End-Plate Connections at Elevated Temperatures

Exploring fire resistance of high strength steel end-plate connections is one of the key technical bases for fire resistance design and fire safety assessment of high strength steel structures. Numerical simulation and parameter analyses of high …

verfasst von:
Weiyong Wang, Siqi Li, Tian Ran

Open Access 22.03.2024

Experimental Study and CFD Modelling of Down-Reaching Flame Behaviors of Tank Fires with Large Ullage Heights

This paper is aimed at studying the down-reaching flame behaviors of tank fires with large ullage heights. Experiments were first conducted using a gas burner in a transparent quartz glass cylinder to simulate the large ullage and the experimental …

verfasst von:
Jinlong Zhao, Zhenqi Hu, Xinjiang Li, Jie Ji, Rui Yang, Jianping Zhang, Yunfei Zhong

Open Access 19.03.2024

Fire-Retarding Asphalt Pavement for Urban Road Tunnels: A State-of-the-Art Review and Beyond

With the rapid urbanization and development of metropolises, urban road tunnels have been constructed at an increasing rate, significantly alleviating urban traffic pressure, and improving urban resilience. Fire hazards have become a major threat …

verfasst von:
Xi Jiang, Hehua Zhu, Zhiguo Yan, Fengshou Zhang, Xinyan Huang, Zhen Leng, Chuanqi Yan, Nan Hua, Dong Lu, Xuehui Zhang, Rui Xiao

Open Access 21.02.2024

Tensile Tests for Material Characterisation of High- and Ultra-High-Strength Steels S690QL and S960QL under Natural Fire Conditions

The mechanical material behavior of mild steels is reversible in the cooling phase of natural fires, which is proven by experimental evidence. For the material behavior of high-strength steels during cooling, no results are yet available. The …

verfasst von:
Sara Uszball, Markus Knobloch

16.02.2024

Fire Tests on Steel–Timber Composite Beams

The fire resistance and the thermomechanical behaviour of Steel–Timber Composite (STC) beams are studied through 4 fire tests. 35 non-loaded reduced specimens and 2 mechanically loaded real-scale beams were tested considering standard fire …

verfasst von:
Antoine Béreyziat, Dhionis Dhima, Sébastien Durif, Maxime Audebert, Abdelhamid Bouchaïr, Amir Si Larbi

Open Access 08.02.2024

Fire Behavior of Concrete-Filled Hollow Section Columns with High Strength Bar-Bundle as Core

Concrete-filled hollow section (CFHS) columns with a solid steel core have gained popularity in the construction of tall buildings due to their robust load-bearing capacity, slender design, ease of prefabrication, and exceptional structural fire …

verfasst von:
Shaghayegh Ameri, Rudolf Röß, Jochen Zehfuß, Martin Mensinger