Applications of Microbially Induced Calcium Carbonate Precipitation on Non-Woven Geotextiles

Date

2022-09-05

Author

Duman, Emre
Sarıçiçek, Yımaz Emre
Pekcan, Onur
Gurbanov, Rafig
Gözen, Ayşe Gül

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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Recently, an innovative ground improvement method known as microbially inducedcalcium precipitation (MICP) has been proposed as an alternative to conventional groundimprovement techniques. Having numerous advantages such as being environmentally friendlyand promoting sustainable solutions, MICP has been studied by researchers from various civilengineering sub-disciplines to solve problems related to crack propagation of concrete,insufficient soil strength characteristics, soil erosion, asphalt cracks, etc. This study aims atmoving MICP one step further by introducing a hybrid approach that combines MICP andgeotextiles to produce a good quality product for reliable field use. Within this scope, MICP isapplied on non-woven geotextiles. Physical (imaging) and mechanical (puncture resistance)properties of non-woven geotextiles subjected to MICP treatments under soaking conditions areinvestigated. Puncture resistance tests are performed and the details of laboratory work includingspecimen preparation and MICP treatments are presented in this paper. This study, together withits implications for future works, also highlights the next steps to be taken for properly using theMICP method when other geosynthetics are used.

URI

https://hdl.handle.net/11511/111196

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Department of Civil Engineering, Conference / Seminar