Work

Improvement of underwater durability and liquefaction evaluation of biopolymer-treated soil using tannic acid

Year: 2025

Type: article

Abstract: Liquefaction occurs when loose, saturated sandy soils lose strength due to cyclic loads, like earthquakes, causing ground subsidence and structural collapse. While mitigation is possible, conventional cement-based methods have drawbacks, including carbon emissions and groundwater contamination. Consequently, there is a growing emphasis on the need for eco-friendly ground reinforcement materials. Research on biopolymer-treated soils lacks focus on underwater stability and performance degradation. This study used tannic acid to improve underwater durability, as confirmed through soil bonding experiments and cyclic shear tests. The optimal tannic acid formulation, based on gelatin content, enhanced liquefaction resistance and maintained stable strength during underwater curing.

Source: Journal of Rock Mechanics and Geotechnical Engineering

DOI: 10.1016/j.jrmge.2025.05.003

Authors: Jeong Youn Lee, Jae-Eun Ryou, Sangbeen Lee, Beomjoo Yang, Chiyoung Park, Jongwon Jung

Institutions: Chungbuk National University, Daegu Gyeongbuk Institute of Science and Technology

Language: English

Topic: Geotechnical Engineering and Soil Stabilization

Subfield: Civil and Structural Engineering

Field: Engineering

Domain: Physical Sciences

Open Access status: diamond

Funders: National Research Foundation of Korea, Ministry of Science and ICT, South Korea

Awards: G4249572071, G8214183670