黄土隧道施工阶段碳排放计算与分析

王琳; 杨木言; 高钰强

doi:10.13205/j.hjgc.202310013

黄土隧道施工阶段碳排放计算与分析

doi: 10.13205/j.hjgc.202310013

1. 兰州交通大学土木工程学院, 兰州 730070;
2. 甘肃路桥建设集团有限公司, 兰州 730030

详细信息

作者简介:
王琳(1978-),女,硕士,副教授,主要从事铁路工程管理和可持续建造与管理研究工作。58835455@qq.com

通讯作者:
杨木言(1999-),女,硕士研究生,主要研究方向为隧道低碳施工。1341259084@qq.com

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- 文章访问数: 87
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- 被引次数: 0
出版历程
- 收稿日期: 2023-04-23
- 网络出版日期: 2023-12-26

CALCULATION AND ANALYSIS OF CARBON EMISSION IN CONSTRUCTION STAGE OF LOESS TUNNEL

1. School of Civil Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China;
2. Gansu Road & Bridge Construction Group, Lanzhou 730030, China

摘要

摘要: 为提供黄土隧道施工阶段碳排放数据，寻求黄土隧道碳减排路径，助力实现黄土隧道低碳建设，开展黄土隧道施工阶段碳排放计算与分析意义重大。以SJ黄土隧道为研究对象，采用生命周期评价理论计算施工阶段碳排放，从碳排放源、时间和空间3个层面分析并总结了黄土隧道施工阶段碳排放特点，提出了黄土隧道施工阶段碳减排建议。结果表明：1） SJ黄土隧道施工阶段碳排放为267.69万t，碳排放强度为60.16 t CO₂eq/m；2）材料生产与加工阶段碳排放最高，水泥和钢筋是黄土隧道关键碳排放源，二次衬砌、围岩支护、临时支护是施工阶段碳排放排前3的分部工程；3）黄土隧道碳排放强度高于岩石隧道，两种隧道材料能源、分部工程的碳排放分布情况类似。
- 黄土隧道 /
- 生命周期评价 /
- 碳排放强度 /
- 碳排放分析 /
- 碳减排
Abstract: In order to provide the carbon emission data of the loess tunnel construction stage, seek the carbon emission reduction path of loess tunnel, and help realize the low-carbon construction of loess tunnel, we carry out the calculation and analysis of carbon emission during the construction stage of loess tunnel, which is of great significance. Taking the SJ Loess Tunnel as the research object, a life cycle assessment was used to calculate the carbon emission during the construction stage, the carbon emission characteristics were analyzed and summarized from the three aspects of the carbon emission source, time and space, and suggestions on carbon emissions reduction during the loess tunnel construction stage were put forward. The results showed that:1) carbon emission in the construction stage of SJ Loess Tunnel was 2.6769 million tons and carbon emission intensity was 60.16 t CO₂eq/m; 2) carbon emissions were highest in the stage of material production and processing. Cement and reinforcement were the key sources of carbon emissions in loess tunnels. Secondary lining, surrounding rock support, and temporary support were the top three subprojects in terms of carbon emissions in the construction stage. 3) The carbon emission intensity of loess tunnel was higher than that of the rock tunnel, and the carbon emission distribution of material energy and sub-projects was similar.
- loess tunnel /
- life cycle assessment /
- carbon emission intensity /
- carbon emission reduction /

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