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ISSN: 2949-9291

Liquefaction resistance of MICP-treated calcareous sand with different particle size and gradation

Calcareous sand is a type of marine soil with the poor engineering performance and a high potential of liquefaction under seismic or wave action. To address this issue, microbially induced calcium carbonate...

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Investigation of using Aspergillus Oryzae Fungi and Soybean Flour for increasing shear strength durability of sand

This research examines the possibilities of utilizing fungi, namely Aspergillus Oryzae, to increase sand's shear strength and durability. The experiments were conducted in a laboratory, where the samples...

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Hydrophobic Sand Erodibility Remediation with Biopolymers under Long-Term Environmental Conditions

This paper investigates the advantages and limitations of hydrophobic sand surficial improvement using biotreatments. Xantham gum (X.G.) at different concentrations in sand represents the biopolymer...

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Development and optimization of biomimetic-chemically induced carbonate precipitation: A review of recent research

With further investigation on biomineralization, biomimetic mineralization has been proposed in imitation of microorganism behavior, in which the mechanism of biomineralization is utilized for the control...

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Role of root morphological and architectural traits: Insights into root-inspired anchorage and foundation systems

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Biogenic construction: The new era of civil engineering

With the increasing demand for buildings and infrastructures and the mounting challenges associated with the current construction technologies such as high emission, high pollution, and high energy...

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Improved methods, properties, applications and prospects of microbial induced carbonate precipitation (MICP) treated soil: A review

Soil improvement is one of the most important issues in geotechnical engineering practice. The wide application of traditional improvement techniques (cement/chemical materials) are limited due to damage...

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Development characteristics and quantitative analysis of cracks in root-soil complex during different growth periods under dry-wet cycles

Repeated wet swelling and dry shrinkage of soil leads to the gradual occurrence of cracks and the formation of a complex fracture network. In order to study the development characteristics and quantitative...

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Miniaturized device to measure urease activity in the soil interstitial fluid using wenner method

This paper presents a microdevice developed to measure the electrical conductivity of a liquid or a saturated porous medium using Wenner method. It is developed in the context of biocementation as soil...

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Physical property of MICP-treated calcareous sand under seawater conditions by CPTU

MICP (Microbially induced calcite precipitation), an environmentally friendly soil improvement technique, has great potential in ocean engineering due to its ability to promote the precipitation of...

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Evaluating the performance and durability of concrete paving blocks enhanced by bio-cement posttreatment

Concrete pavement often experiences accelerated deterioration due to water and chemical ingress through micro-cracks and surface voids. Particularly, the ingress of aggressive agents into the concrete...

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Denitrification processes, inhibitors, and their implications in ground improvement

Ureolysis and denitrification are the two major microbial metabolic pathways commonly used in Microbially induced calcite precipitation (MICP) for geoengineering applications. Although ureolysis is...

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Soil is alive – how does soil biota influence soil mechanical properties? A perspective review

There is a growing need for sustainable ground improvement, stabilization and remediation, as well as ways to maintain infrastructure. This is resulting in a rise of nature-based solutions, bio-based...

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Role of Trichoderma Virens Mycelium in Enhancing Erosion Resistance of Low Plasticity Silt

Conventional techniques for soil erosion control often rely on the use of cementing additives and coating agents to improve shear strength, minimize particle movement, and increase soil water repellency....

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Investigation of desiccation cracking of earthen site soils treated by enzyme-induced calcium carbonate precipitation (EICP)

The infiltration of groundwater and surface water is critical for the development of desiccation cracking of earthen site soils. It potentially leads to changes in the microscopic structures of pore...

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Application of biophosphates in geo-environmental engineering: An overview

Geo-environmental engineering is concerned with the contamination remediation, soil reinforcement, and ecological sustainability of problematic soil matrix, including landfilled soils, contaminated...

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Exploring the Uniformity of MICP Solidified Fine Particle Silt with Different Sample Preparation Methods

Microbial induced calcium carbonate precipitation (MICP) technology is widely used in geotechnical reinforcement engineering due to its low cost, simple process, strong applicability and lack of secondary...

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Diatom-driven activation of in-situ lunar resource utilization for space farming

In this study, we demonstrate that diatoms, through their bioweathering process, can enhance the properties of lunar soil, thereby facilitating the cultivation of crops. Detailedly, diatoms can deconstruct...

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Increased erosion in biochar-amended soil: importance of integrating erosion control blankets and vegetation

Although biochar is widely recognized for enhancing various soil properties, its impact on soil erosion resistance remains unclear and sometimes shows contradictory results. The main objective of this...

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Influence of grass plantation on the rainfall-induced instability of gentle loose fill slope

The understanding of rainfall-induced landslides on gentle, loose-fill slopes is limited in comparison to steep slopes. Hence, two physical model tests were conducted on silty sand slopes under continuous...

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Effects of grassland vegetation roots on soil infiltration rate in Xiazangtan super large scale landslide distribution area in the upper reaches of the Yellow River, China

In order to study the infiltration characteristics of grassland soil in the super large scale landslides distribution area in the upper reaches of the Yellow River, this study selected the Xiazangtan...

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Porosity and bedding controls on bio-induced carbonate precipitation and mechanical properties of shale and dolomitic rocks: EICP vs MICP

Biocementation is an emerging field within geotechnical engineering that focuses on harnessing microbiological activity to enhance the mechanical properties and behavior of rocks. It often relies on...

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Bacterial attachment by crystal in MICP

Microbially induced calcium carbonate precipitation (MICP) is recognized as a promising technique for soil improvement. The morphological evolution of calcium carbonate (CaCO3) crystals during the MICP...

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