Triaxial compression test of MICP sand column and simulation of failure process
Available online 20 January 2024
Microbial induced calcium carbonate mineralization (MICP) technology can induce calcium carbonate crystals with cementation and stable performance in the process of microbial metabolism or enzymization...
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Influence of biochar on soil air permeability and greenhouse gas emissions in vegetated soil: A review
December 2023
The increasing emission of greenhouse gases such as CO2, CH4, and N2O from the soil has become a growing concern globally. To address this issue, biochar has emerged as an environmentally friendly soil...
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Experimental study on the reinforcement mechanism and wave thumping resistance of EICP reinforced sand slopes
December 2023
Sand slope is an important part of coastal zone and islands, which is severely affected by wave erosion and causes problems such as degradation of coastal zone and reduction of island area. Enzyme-induced...
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Uniformity evaluation and improvement technology of sandy clayey purple soil enhanced through microbially-induced calcite precipitation
December 2023
In order to improve the uniformity of calcite precipitation and engineering practicability, a series of tests using bacillus megaterium (BNCC 336739) were conducted to enhance sandy clayey purple soil,...
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Desiccation cracking remediation through enzyme induced calcite precipitation in fine-grained soils under wetting drying cycles
December 2023
The effects of desiccation cracking in clay soils on geotechnical constructions are substantial. This study investigates the viability of utilizing Enzyme-induced calcite precipitation (EICP), a bio...
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Erosion resistance of treated dust soils based on the combined enzymatically induced carbonate precipitation and polyacrylic acid
December 2023
The majority of cities worldwide are grappling with the challenge of dust pollution. Recently, the application potential of enzymatically induced carbonate precipitation (EICP), a novel environmentally...
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Influence of particle size distribution on biocarbonation method produced microbial restoration mortar for conservation of sandstone cultural relics
December 2023
Biocarbonation of reactive magnesia based on microbially induced carbonate precipitation (MICP) process is a sustainable geotechnical reinforcement technology for strength development and permeability...
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Effects of sorbitol and sucrose on soybean-urease induced calcium carbonate precipitate
December 2023
This study explores the effects of two nucleating agents, sucrose and sorbitol, on soybean-urease induced calcium carbonate precipitation (SICP) at a crystal level. Comparative studies on the mineral...
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A review of bio-inspired geotechnics-perspectives from geomaterials, geo-components, and drilling & excavation strategies
September 2023
As urbanization progresses, the demand for high-rise buildings and underground spaces is growing, and the need for firm geotechnical construction materials, efficient excavation methods, accurate testing...
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Bio-grouting technologies for enhancing uniformity of biocementation: A review
September 2023
Biocementation-based soil improvement is an emerging ground treatment method in geotechnical engineering that has garnered extensive attention over the past two decades. One of the challenges associated...
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Experimental study on permeability and strength characteristics of MICP-treated calcareous sand
September 2023
Calcareous sand is the main fill material for island reclamation projects, but untreated calcareous sand might not be used as a reclamation fill due to its poor mechanical properties. Microbial induced...
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Thermal and mechanical properties of bio-cemented quartz sand mixed with steel slag
September 2023
The aim of this study is to disclose the feasibility of improving the thermal conductivity and mechanical strength of quartz sand steel slag mixtures treated by enzyme-induced carbonate precipitation...
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State-of-the-art review on plant-based solutions for soil improvement
September 2023
Vegetation has been used as a means in geotechnical engineering for soil improvement and erosion control. This paper aims to present a state-of-the-art review and future prospective on soil improvement...
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Synthesis and application of biomimetic material inspired by diatomite
September 2023
Inspired by nature, the design and synthesis of novel biomimetic materials are gradually attracting the attention of scientists. Biomimetic materials with excellent performance are widely applied in...
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Mechanisms and influencing factors of biomineralization based heavy metal remediation: A review
September 2023
Heavy metal contamination of soil and water is one of the most prominent environmental issues worldwide. Through bioaccumulation and biomagnification of the food chain, heavy metals can be enriched...
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Effect of drying-wetting cycles on the durability of calcareous sand reinforced by MICP and recycled shredded coconut coir (RSC)
September 2023
Microbial-induced carbonate precipitation (MICP) technique has been adopted in geotechnical engineering widely. In this study, the effect of drying-wetting cycles on MICP-recycled shredded coconut coir...
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Enhancing biomineralization process efficiency with trained bacterial strains: A technical perspective
June 2023
Microorganisms have been essential in the natural world for millions of years, contributing significantly to environmental interaction. It has been disoverd that some bacteria are potential in geotechnical...
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Mechanical properties and disintegration behavior of EICP-reinforced sea sand subjected to drying-wetting cycles
June 2023
Enzyme-induced carbonate precipitation (EICP) has emerged promising in various geotechnical applications, and has been presented as an alternative to the traditional cementitious materials-based ground...
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Durability of MICP-reinforced calcareous sand in marine environments: Laboratory and field experimental study
June 2023
As eco-friendly methods, microbial induced carbonate precipitation (MICP) method was used to reinforce the calcareous sand in the South China Sea in this paper. The durability characteristics and deterioration...
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Coupled experimental assessment and machine learning prediction of mechanical integrity of MICP and cement paste as underground plugging materials
June 2023
Compromised integrity of cementitious materials can lead to potential geo-hazards such as detrimental fluid flow to the wellbore (borehole), potential leakage of underground stored fluids, contamination...
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Influence of size and concentration of carbonate biomineral on biocementation and bioclogging for mitigating soil degradation
June 2023
Microbially induced carbonate precipitation (MICP) is a promising technique to enhance the geotechnical properties of geomaterial either by strengthening via biocementation or reducing the hydraulic...
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Recent development on optimization of bio-cementation for soil stabilization and wind erosion control
June 2023
This paper reviews and analyzes recent research development on bio-cementation for soil stabilization and wind erosion control. Bio-cement is a type of cementitious materials by adopting natural biological...
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Reduction of rainfall infiltration in soil slope using a controllable biocementation method
June 2023
Reasonable control of rainwater infiltration rate can ensure that soil slope will not fail due to rapid infiltration of rainwater in heavy rainfall, and at the same time, more rainwater can be infiltrated...
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Improving hydro-mechanical behavior of loess by a bio-strategy
June 2023
Loess is widely distributed all over the world, covering about 10% of the land surface on earth. China is one of the countries with the most serious loess soil erosion in the world, especially the loess...
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