Publications de Dimitrios Terzis

Biocementation beyond the Petri dish, scaling up to 900 L batches and a meter-scale column

Microbial-induced calcite precipitation (MICP), which leverages ureolytic microorganisms, has received significant attention during the past decade as a promising method for sustainable building and geoenvironmental applications. However, transitioning fro ...

NATURE PORTFOLIO2025

Bacillus megaterium favours CO₂ mineralization into CaCO₃ over the ureolytic pathway

Dimitrios Terzis

Microbially induced calcite precipitation (MICP) has long been the focus of material scientists, environmental microbiologists and civil engineers because of its potential to yield biosynthesized binders that can serve as alternatives to cement or resins. ...

Springer Science and Business Media LLC2025

A bio-chemo-hydro-mechanical model of transport, strength and deformation for bio-cementation applications

Lyesse Laloui, Dimitrios Terzis

Bio-cementation through microbially induced calcite precipitation (MICP) has the potential to overcome several technical and environmental limitations of conventional cement-based soil improvement techniques. While a significant amount of research has been ...

Springer Heidelberg2024

Multiphysical numerical modelling of an MICP upscaling experiment with ex-situ hydrolysis

Lyesse Laloui, Dimitrios Terzis, Jose Antonio Bosch Llufriu, Sofie Elaine ten Bosch

Microbially induced calcite precipitation (MICP) is an innovative biogeochemical ground improvement technology that can be used in-situ to improve soil stiffness and strength, by precipitating calcite within the soil. Bio-chemo-hydro-mechanical processes a ...

Argo-E Group2023

Addressing the challenges of homogeneity, quality control and waste handling in soil bio-cementation: A large-scale experiment

Lyesse Laloui, Dimitrios Terzis, Ray Harran

In an attempt to go beyond the conventional laboratory experiments widely reported in literature around the emerging technique of soil bio-cementation, this work addresses key challenges related to its large-scale application. Precisely, a state-of-the-art ...

JAPANESE GEOTECHNICAL SOC2023

A unified Bio-Chemo-Hydro-Mechanical formulation for soil improvement with microbially-induced calcite precipitation

Lyesse Laloui, Dimitrios Terzis, Jose Antonio Bosch Llufriu

This paper reports recent advances in modelling MICP at the engineering scale, in particular with respect to the stress-strain-strength modelling of bio-cemented soils. A complete Bio-Chemo-Hydro-Mechanical (BCHM) model is presented. The BCH model is based ...

Argo-E Group2023

3-D contact and pore network analysis of MICP cemented sands

Dimitrios Terzis, Nimisha Roy

The study describes a comprehensive methodology to evaluate X-Ray micro-computed tomography data from sand samples and to characterize their 3D microstructural properties. Fine and medium-grained sands are analyzed in their natural and bio-cemented states. ...

SPRINGER2023

Mechanics, Modeling, and Upscaling of Biocemented Soils: A Review of Breakthroughs and Challenges

Lyesse Laloui, Dimitrios Terzis, Ray Harran

Biogeotechnical research has inspired revolutionary ideas to claim the status of a distinctive branch of geotechnical engineering. Most notably, underground carbonate mineralization, most commonly referred to as microbially induced carbonate precipitation ...

ASCE-AMER SOC CIVIL ENGINEERS2023

Characterizing the Deformation Evolution with Stress and Time of Biocemented Sands

Lyesse Laloui, Dimitrios Terzis, Ray Harran

Soil biocementation represents an emerging technique that has dominated the development of sustainable and innovative geotechnics during the past decade. Despite numerous studies focusing on peak strength behavior and the ensuing softening response, less i ...

2022

Microfluidic study in a meter-long reactive path reveals how the medium’s structural heterogeneity shapes MICP-induced biocementation

Lyesse Laloui, Dimitrios Terzis, Ariadni Elmaloglou

Microbially induced calcium carbonate (CaCO3) precipitation (MICP) is one of the major sustainable alternatives to the artificial cementation of granular media. MICP consists of injecting the soil with bacterial- and calcium-rich solutions sequentially to ...

Nature Research2022