Review on tunnel slag treatment and resource utilization under Double-Carbon Goals

WU Yuedong; WU Zhaoyun; WANG Wenzhi; PENG Ben; YUE Changsheng; LÜ Wen

doi:10.13205/j.hjgc.202510016

Volume 43 Issue 10

Oct. 2025

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2025 > 43(10): 144-149

WU Yuedong, WU Zhaoyun, WANG Wenzhi, PENG Ben, YUE Changsheng, LÜ Wen. Review on tunnel slag treatment and resource utilization under Double-Carbon Goals[J]. ENVIRONMENTAL ENGINEERING , 2025, 43(10): 144-149. doi: 10.13205/j.hjgc.202510016

Citation:

WU Yuedong, WU Zhaoyun, WANG Wenzhi, PENG Ben, YUE Changsheng, LÜ Wen. Review on tunnel slag treatment and resource utilization under Double-Carbon Goals[J]. ENVIRONMENTAL ENGINEERING , 2025, 43(10): 144-149. doi: 10.13205/j.hjgc.202510016

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Review on tunnel slag treatment and resource utilization under Double-Carbon Goals

doi: 10.13205/j.hjgc.202510016

1. State Key Laboratory of Iron and Steel Industry Environmental Protection, Beijing 100088, China;
2. Central Research Institute of Building and Construction Co., Ltd., Beijing 100088, China;
3. China Metallurgical Group Corporation Co., Ltd., Beijing 100028, China;
4. Guangxi Beigang New Materials Co., Ltd., Beihai 536017, China

Received Date: 2023-12-29
Accepted Date: 2024-02-16
Rev Recd Date: 2024-01-30

Available Online: 2025-12-03

Publish Date: 2025-10-01

Abstract

Abstract

Tunnel slag is an inevitable product of tunnel excavation in the process of infrastructure construction in China， which has the characteristics of large output， diversity， fluctuation， and low cleanliness. Under the Dual-Carbon Goals， the resource utilization of tunnel slag can not only reduce the construction cost， alleviate the contradiction between the serious shortage of building materials and the difficulty in disposing of a large amount of tunnel slag， but also greatly reduce carbon emissions. This paper introduces the sources of tunnel slag， environmental hazards， and resource utilization status. At the same time，We investigated the national key project of Sichuan-Tibet Railway and the construction of the world's largest underwater highway tunnel， Jiaozhou Bay Highway Tunnel Second Undersea Tunnel Engineering， analyzea the characteristics of slag hole production line situation， etc. in view of the low utilization rate of tunnel slag， it is proposed to strengthen the development of rapid evaluation technology and quality improvement technology of tunnel slag， develope new ways of resource utilization with high consumption capacity， and strengthen the construction of relevant building materials standards based on tunnel slag.
- tunnel slag,
- resource utilization,
- application,
- building materialization

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References(28)

References

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