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Measurements, emission characteristics, and control methods of fire effluents generated from tunnel asphalt pavement during fire: a review

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Abstract

Tunnels are widely used in high-grade roads, particularly in mountainous areas; however, tunnel fires often result in severe economic losses and casualties. The fire effluents produced from asphalt pavement have attracted significant research attention. The main objective of this study is to assimilate information on various aspects of bituminous mixture emissions during fires. In this study, the fume emissions of bitumen and bituminous mixtures during combustion are comprehensively reviewed and summarized. First, the test methods for fire effluents produced by bitumen and bituminous mixtures after combustion are summarized. Second, the factors influencing the fume concentration and composition are determined. In addition, different methods to reduce the emission of fire effluents are compared, particularly for the suppression of toxic gas emissions. Then, reasonable suggestions are proposed to reduce the damage caused by hazardous gases to humans and the environment. This review is beneficial for comprehensively understanding the fume emission behaviour and future research on the smoke suppression of highway tunnel asphalt pavements during fires.

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Data availability

Data is note applicable in this article as no datasets were generated or analysed during the current study.

Abbreviations

2D:

Two-dimensional

AL:

Asphalt added with LDHs

APP:

Ammonium polyphosphate

ATH:

Alumina trihydrate

BA:

Base asphalt binder

BSG:

Bulk specific gravity

CH:

Calcium hydroxide

C/H:

Carbon to hydrogen

Ca(OH)2 :

Calcium hydroxide

CaCO3, CC:

Calcium carbonate

CAHC:

Ca-Al hydrotalcite

COR:

Carbon monoxide ratio

COY:

Carbon monoxide yield

CRP:

Coated red phosphorus

DSC:

Differential scanning calorimetry

DTG:

Derivative thermogravimetry

EG:

Expandable graphite

EV:

Expanded vermiculite

FR:

Flame retardant

FTIR:

Fourier transform infrared spectroscopy

GC:

Gas chromatography

GM:

Grouted macadam

G-S curve:

Gram-Schmidt curve

HL:

Hydrated lime

HMA:

Hot mix asphalt

LDHs:

Layered double hydroxides

LS:

Limestone modified binder;

m/z:

Mass-to-charge ratio

MH:

Magnesium hydroxide

MRP:

Microencapsulated red phosphorus

MS:

Mass spectrometry

MSD:

Maximum smoke density

NA:

Not applicable

OGFC:

Open graded macrospore

OMMT:

Organic modified montmorillonite

PAH:

Polyaromatic hydrocarbons

PCC:

Portland cement concrete

PRSR:

Peak of RSR

Py-GC-MS:

Pyrolysis–gas chromatography–mass spectrometer

RSR:

Rate of smoke release

SARA:

Saturates, aromatics, resins, and asphaltenes

SBS:

Styrene–butadiene–styrene

SDM:

Smoke density method

SDR:

Smoke density rating

SEA:

Specific extinction area

SPR:

Smoke production rate

TG:

Thermogravimetric

TIC:

Total ion chromatogram

TMSG:

Theoretical maximum specific gravity

TSP:

Total smoke production

TSR:

Total smoke release

VOC:

Volatile organic compound

WMA:

Warm-mix asphalt

C = O:

Carbonyl groups

 − CH2 − :

Methylene

 − CH3 :

Methyl

CH4 :

Methane

CO:

Carbon monoxide

CO2 :

Carbon dioxide

 − COOH:

Carboxyl

O2 :

Oxygen

 − O − CH3:

Methoxyl

R − CH = CH2:

Ethylene

S = O:

Sulfur = oxygen

SO2 :

Sulfur dioxide

References

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Acknowledgements

Special thanks to Xiaolong Yang for his help in writing. Besides, we would like to thank ESPR Editor-in-Chief Philippe Garrigues, editorial assistant Carmina Joy Cayago, and nice anonymous reviewers.

Funding

This article was funded by the science and technology project of transportation department of Jilin province (Grant No. 2018–1-18) and the science and technology project of the Shaanxi transportation department (Grant No. 21-47 K).

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Authors

Contributions

Wenzhen Wang is responsible for organizing the progress of the paper, final revision, and finalization. Aiqin Shen is responsible for guiding the topic selection, research methods, and comprehensive management of the structure and content of the article. Lusheng Wang is responsible for data collection and analysis and part of the manuscript writing. Hongchang Liu is responsible for part of data collection, the article writing, and structure the content of article. All authors read and approved the final manuscript.

Corresponding author

Correspondence to Aiqin Shen.

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Conflict of interest

The authors declare no competing interests.

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Responsible Editor: Philippe Garrigues

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Wang, W., Shen, A., Wang, L. et al. Measurements, emission characteristics, and control methods of fire effluents generated from tunnel asphalt pavement during fire: a review. Environ Sci Pollut Res 29, 64267–64297 (2022). https://doi.org/10.1007/s11356-022-21512-3

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  • DOI: https://doi.org/10.1007/s11356-022-21512-3

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