[1] Bo Wu, Ren Haisheng, Geng Wei, et al. Investigation of the environmental impactsof steel deck pavement based on life cycle assessment [J]. Journal of Southeast University (English Edition), 2020, 36 (3): 334-340. [doi:10.3969/j.issn.1003-7985.2020.03.012]

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Investigation of the environmental impactsof steel deck pavement based on life cycle assessment()

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Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Volumn:

36

Issue:

2020 03

Page:

334-340

Research Field:

Traffic and Transportation Engineering

Publishing date:

2020-09-20

Info

Title:

Investigation of the environmental impactsof steel deck pavement based on life cycle assessment

Author(s):

Bo Wu¹;  2;  Ren Haisheng¹;  Geng Wei³;  Gao Hui¹;  Qian Zhendong¹

¹Intelligent Transport System Research Center, Southeast University, Nanjing 211189, China
²School of Engineering, Tibet University, Lasa 850000, China
³Nanjing Communications Institute of Technology, Nanjing 211188, China

Keywords:

steel deck pavement;  environmental impact;  life cycle assessment;  energy consumption;  gas emission

PACS:

U418.4

DOI:

10.3969/j.issn.1003-7985.2020.03.012

Abstract:

To investigate the environmental impacts of steel deck pavement through the whole life cycle, the steel deck pavement was divided into five stages: raw materials production, asphalt mixture mixing, pavement construction, operation management, and pavement removing stage. Based on the process-based life cycle assessment(PLCA)method, the calculation methods of energy consumption and gas emissions of two typical steel deck pavement systems(EA+EA pavement and GA+SMA pavement)were determined. The data lists of two pavements were analyzed, and the calculation model was built. Four characteristic indices including primary energy demand(PED), global warming potential(GWP), acidification potential(AP)and respiratory inorganics(RI)were used to quantify the environmental impacts of two pavements. The results show that the environmental impact of the GA+SMA pavement is more than 1.3 times that of the EA+EA pavement. Moreover, the critical stage of energy-saving and emission-reduction of EA+EA pavement and GA+SMA pavement are the raw material production stage and asphalt mixture mixing stage, respectively.

References:

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Memo

Memo:

Biographies: Bo Wu(1984—), male, Ph.D. candidate; Qian Zhendong(corresponding author), female, doctor, professor, qianzd@seu.edu.cn.
Foundation items: The National Key Research and Development Project of China(No.2018YFB1600304), the National Natural Science Foundation of China(No.51878167, 51678146), the National Natural Science Foundation of Xizang, China(No.XZ2018ZRG-10).
Citation: Bo Wu, Ren Haisheng, Geng Wei, et al. Investigation of the environmental impacts of steel deck pavement based on life cycle assessment[J].Journal of Southeast University(English Edition), 2020, 36(3):334-340.DOI:10.3969/j.issn.1003-7985.2020.03.012.

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