Sustainable Waste Tire Rubber Granule Concrete: Preparation, Mechanical Performance and Field Application for Pressure Relief in High-Ground-Stress Soft Rock Roadways.
Saved in:
| Title: | Sustainable Waste Tire Rubber Granule Concrete: Preparation, Mechanical Performance and Field Application for Pressure Relief in High-Ground-Stress Soft Rock Roadways. |
|---|---|
| Authors: | Qiao, Wei-Guo1 (AUTHOR), Zhao, Yun-Rui1,2 (AUTHOR), Wu, Yue1 (AUTHOR) wysdkd2019@sdust.edu.cn, Cheng, Wei-Min2 (AUTHOR), Zhu, Yin-Ge1 (AUTHOR) |
| Source: | Materials (1996-1944). May2026, Vol. 19 Issue 9, p1870. 36p. |
| Subjects: | Tire recycling, Geotechnical engineering, Pressure control, Concrete, Mechanical behavior of materials, Roads |
| Abstract: | Highlights: What are the main findings? Develops and optimizes rubber granule concrete (12% content) as a stress-release layer. Validates field performance: ~64% stress reduction in high-ground-stress soft rock roadways. Achieves dual benefits of geotechnical stability and waste tire diversion. What are the implications of the main findings? Proposes a high-volume, high-value pathway for waste tire valorization in geotechics. Provides a complete case study from material design to field deployment. Offers a sustainable solution for waste management and deep roadway stability. Waste tire disposal and high-ground-stress soft rock roadway instability are pressing global challenges. This study develops sustainable rubber granule concrete (RGC) using waste tire rubber as a key component, aiming to realize waste valorization and floor heave control. RGC's mechanical properties (uniaxial/triaxial compression, compressibility, ductility) were systematically tested, and its pressure relief mechanism was validated via finite element analysis (ABAQUS/FLAC) and 60-day field monitoring. Results show that RGC with optimal parameters (12% rubber content, 3–4 GPa elastic modulus, 250–350 mm thickness) achieves 64% bottom stress reduction and >40% displacement control. The material's excellent energy absorption and flexibility address the brittleness of conventional concrete, ensuring stable support in high-stress environments. This work provides a sustainable, cost-effective concrete modification strategy, bridging waste recycling and geotechnical engineering, with broad implications for low-intensity, high-toughness material applications. [ABSTRACT FROM AUTHOR] |
| Copyright of Materials (1996-1944) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Engineering Source |
|
Full text is not displayed to guests.
Login for full access.
|
|
| Abstract: | Highlights: What are the main findings? Develops and optimizes rubber granule concrete (12% content) as a stress-release layer. Validates field performance: ~64% stress reduction in high-ground-stress soft rock roadways. Achieves dual benefits of geotechnical stability and waste tire diversion. What are the implications of the main findings? Proposes a high-volume, high-value pathway for waste tire valorization in geotechics. Provides a complete case study from material design to field deployment. Offers a sustainable solution for waste management and deep roadway stability. Waste tire disposal and high-ground-stress soft rock roadway instability are pressing global challenges. This study develops sustainable rubber granule concrete (RGC) using waste tire rubber as a key component, aiming to realize waste valorization and floor heave control. RGC's mechanical properties (uniaxial/triaxial compression, compressibility, ductility) were systematically tested, and its pressure relief mechanism was validated via finite element analysis (ABAQUS/FLAC) and 60-day field monitoring. Results show that RGC with optimal parameters (12% rubber content, 3–4 GPa elastic modulus, 250–350 mm thickness) achieves 64% bottom stress reduction and >40% displacement control. The material's excellent energy absorption and flexibility address the brittleness of conventional concrete, ensuring stable support in high-stress environments. This work provides a sustainable, cost-effective concrete modification strategy, bridging waste recycling and geotechnical engineering, with broad implications for low-intensity, high-toughness material applications. [ABSTRACT FROM AUTHOR] |
|---|---|
| ISSN: | 19961944 |
| DOI: | 10.3390/ma19091870 |
