Bamboo (Bambusoideae) was developed as a sustainable alternative to synthetic geogrids for use in slope stabilization due to its high mechanical strength, rapid renewability, and low environmental footprint. This research examined the performance of non-treated Gigantochloa scortechinii (Buluh Dinding) bamboo as geogrid reinforcement in clay loam soil, which was a widely open area of critical tropical soil applications. The results confirmed that bamboo geogrid reinforcement increased soil stability, with the shear resistance rising from 31 kPa in unreinforced soil to 65 kPa in reinforced soil. In addition, the introduction of two-layer bamboo geogrids decreased soil consolidation by 50.46%, demonstrating better performance compared to the use of single-layer bamboo geogrids. Mechanical tests showed that bamboo specimens with larger diameters (7 cm) and bricks of optimal thickness (1.5 cm) supported compressive stresses of up to 1152.29 MPa, proving their structural suitability for geotechnical purposes. These results emphasized that bamboo was a successful eco-friendly geogrid material capable of replacing mineral alternatives and facilitating green infrastructure development. It offered valuable insights for adopting bamboo-based solutions in slope stabilization in areas exposed to challenges of soil instability and erosion.
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SUBMITTED: 17 March 2025
ACCEPTED: 15 May 2025
PUBLISHED:
9 June 2025
SUBMITTED to ACCEPTED: 59 days
DOI:
https://doi.org/10.53623/sein.v2i1.637