Evaluating subgrade dynamic and static resilience modulus through enhanced testing techniques
This study investigates the impact of pavement structure self-weight on the dynamic and static resilient modulus of subgrade materials and proposes a prediction model to account for this effect. Traditional methods for measuring subgrade modulus are limited in simulating repeated traffic loading and...
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| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2025-07-01
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| Series: | Case Studies in Construction Materials |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2214509524013111 |
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| _version_ | 1850052559203467264 |
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| author | Naitian Zhang Peng Wang Chengdong Xia Lin Gao Yongze Wang Songtao Lv Wang Dikuan |
| author_facet | Naitian Zhang Peng Wang Chengdong Xia Lin Gao Yongze Wang Songtao Lv Wang Dikuan |
| author_sort | Naitian Zhang |
| collection | DOAJ |
| description | This study investigates the impact of pavement structure self-weight on the dynamic and static resilient modulus of subgrade materials and proposes a prediction model to account for this effect. Traditional methods for measuring subgrade modulus are limited in simulating repeated traffic loading and the influence of self-weight, leading to inaccurate evaluations. To address this, a novel test device capable of applying cyclic loads was developed. Dynamic and static modulus tests were conducted using different bearing plate and lantern ring sizes to simulate the self-weight effect. Results show that the resilient modulus decreases as the bearing plate size increases, stabilizing at 30 cm, while the modulus increases with the collar size, stabilizing at 50 cm for a 20 cm plate and 35 cm for a 30 cm plate. A prediction model for dynamic and static resilient modulus, incorporating the effect of pavement self-weight, was developed. This model enhances the accuracy of subgrade modulus predictions, contributing to more reliable pavement structure designs. The findings are significant for improving the efficiency and accuracy of subgrade testing, with important implications for pavement design and maintenance. |
| format | Article |
| id | doaj-art-8879ed41b2494a0d8068515668d049b2 |
| institution | DOAJ |
| issn | 2214-5095 |
| language | English |
| publishDate | 2025-07-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Case Studies in Construction Materials |
| spelling | doaj-art-8879ed41b2494a0d8068515668d049b22025-08-20T02:52:46ZengElsevierCase Studies in Construction Materials2214-50952025-07-0122e0415910.1016/j.cscm.2024.e04159Evaluating subgrade dynamic and static resilience modulus through enhanced testing techniquesNaitian Zhang0Peng Wang1Chengdong Xia2Lin Gao3Yongze Wang4Songtao Lv5Wang Dikuan6Xinjiang Key Laboratory of Green Construction and Smart Traffic Control of Transportation Infrastructure, Xinjiang University, Urumqi 830017, ChinaXINJIANG CONSTRUCTION & ENGINEERING GROUP CO.,LTD, 830000, ChinaNational Engineering Laboratory of Highway Maintenance Technology, Changsha University of Science & Technology, Hunan 410114, China; Department of Civil and Environmental Engineering, The Hong Kong Polytechnical University, Hung Hom, Hong Kong; Corresponding author at: National Engineering Laboratory of Highway Maintenance Technology, Changsha University of Science & Technology, Hunan 410114, China.XINJIANG CONSTRUCTION & ENGINEERING GROUP CO.,LTD, 830000, ChinaXINJIANG CONSTRUCTION & ENGINEERING GROUP CO.,LTD, 830000, ChinaNational Engineering Laboratory of Highway Maintenance Technology, Changsha University of Science & Technology, Hunan 410114, ChinaNational Engineering Laboratory of Highway Maintenance Technology, Changsha University of Science & Technology, Hunan 410114, ChinaThis study investigates the impact of pavement structure self-weight on the dynamic and static resilient modulus of subgrade materials and proposes a prediction model to account for this effect. Traditional methods for measuring subgrade modulus are limited in simulating repeated traffic loading and the influence of self-weight, leading to inaccurate evaluations. To address this, a novel test device capable of applying cyclic loads was developed. Dynamic and static modulus tests were conducted using different bearing plate and lantern ring sizes to simulate the self-weight effect. Results show that the resilient modulus decreases as the bearing plate size increases, stabilizing at 30 cm, while the modulus increases with the collar size, stabilizing at 50 cm for a 20 cm plate and 35 cm for a 30 cm plate. A prediction model for dynamic and static resilient modulus, incorporating the effect of pavement self-weight, was developed. This model enhances the accuracy of subgrade modulus predictions, contributing to more reliable pavement structure designs. The findings are significant for improving the efficiency and accuracy of subgrade testing, with important implications for pavement design and maintenance.http://www.sciencedirect.com/science/article/pii/S2214509524013111Road engineeringSubgradeSelf-weight effectBearing plateSize effectModulus of resilience |
| spellingShingle | Naitian Zhang Peng Wang Chengdong Xia Lin Gao Yongze Wang Songtao Lv Wang Dikuan Evaluating subgrade dynamic and static resilience modulus through enhanced testing techniques Case Studies in Construction Materials Road engineering Subgrade Self-weight effect Bearing plate Size effect Modulus of resilience |
| title | Evaluating subgrade dynamic and static resilience modulus through enhanced testing techniques |
| title_full | Evaluating subgrade dynamic and static resilience modulus through enhanced testing techniques |
| title_fullStr | Evaluating subgrade dynamic and static resilience modulus through enhanced testing techniques |
| title_full_unstemmed | Evaluating subgrade dynamic and static resilience modulus through enhanced testing techniques |
| title_short | Evaluating subgrade dynamic and static resilience modulus through enhanced testing techniques |
| title_sort | evaluating subgrade dynamic and static resilience modulus through enhanced testing techniques |
| topic | Road engineering Subgrade Self-weight effect Bearing plate Size effect Modulus of resilience |
| url | http://www.sciencedirect.com/science/article/pii/S2214509524013111 |
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