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ORIGINAL RESEARCH article
Front. Earth Sci.
Sec. Geohazards and Georisks
Volume 13 - 2025 | doi: 10.3389/feart.2025.1600985
This article is part of the Research TopicPhysical Properties and Mechanical Theory of Rock Materials with DefectsView all 14 articles
Influence of Temperature on the Static Interface Interaction of Marine Silica Sand and Geogrid
Provisionally accepted- 1University of Science and Technology Beijing, Beijing, Beijing Municipality, China
- 2Shanghai Maritime University, pudong, Shanghai, China
- 3Dalian University of Technology, Dalian, Liaoning Province, China
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Temperature is a key factor influencing the mechanical behavior of the static interface between marine silica sand (SS) and geogrid, directly impacting the stability and bearing capacity of reinforced soil structures. Despite its significance, research on the temperature-dependent mechanical properties of the silica sand-geogrid (SG) interface remains limited. This study employed a self-designed temperature-controlled large-scale static shear apparatus to perform a series of static shear tests on the SG interface.It used marine SS particles ranging from 0.075 mm to 2 mm and testing temperatures from -5 °C to 80 °C. The results reveal a non-linear correlation between shear strength and temperature. As the temperature increases from -5 °C to 40 °C, the shear strength decreases. It then rises between 40°C and 50°C. Beyond 50°C, the shear strength declines again. The sensitivity of interface shear strength to variations in normal stress remains below 20 °C at both low and high temperatures. Additionally, the interface friction angle and cohesion exhibit temperature-dependent fluctuations, showing an initial decrease, followed by an increase, and then another decline.Variational trends differ across temperature ranges, highlighting the complex effects on SG interface mechanics.
Keywords: temperature, Geogrid, marine silica sand, silica sand-geogrid interface, Shear test, static interface interaction
Received: 27 Mar 2025; Accepted: 18 Apr 2025.
Copyright: © 2025 Feng, Zhang, Yao, Zhao, Jiang, Duan and Cai. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence: Haiyang Zhao, Shanghai Maritime University, pudong, Shanghai, China
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