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Pore-scale precipitation pattern and grain-scale cementation strength by microbially induced calcium carbonate precipitation (MICP) [PDF]

E3S Web of Conferences
Microbial induced calcium carbonate precipitation (MICP) is widely investigated as a sustainable method of soil improvement. The pore-scale precipitation habit of calcium carbonate (CaCO3) and the grain-scale mechanical strength of the cementing bonds ...
Kwon Tae-Hyuk, Ham Soo-Min, Baek Seung-Hun, Han Gyeol, Martinez Alejandro, DeJong Jason   +5 more
doaj   +1 more source

Effect of microbial-induced calcite precipitation (MICP) on the strength of soil contaminated with lead nitrate

Journal of the Mechanical Behavior of Materials, 2022
Microbial induced calcite precipitation method MICP is a sustainable and eco-friendly technique for soil stabilization. To show the optimum effectiveness of the bioremediation within the silty sand matrix, a model of plastic boxes and PVC molds was made ...
Hadi Zahraa Samer, Saeed Khitam Abdulhussein   +1 more
doaj   +1 more source

Multifactor optimization of MICP base on BP model

Journal of Physics: Conference Series, 2022
Abstract Microbial-induced calcite precipitation (MICP) can be used to cement soil and produce new biomaterials. The formation of this material is affected by many factors, such as physical, chemical, biological factors, many studies focused on the effect of a single factor on the strength ignoring the synergy between factors.
Xiande Zhuo, Ling Fan, Di Hu, Huangda Zhu   +3 more
openaire   +1 more source

Research progress of microbial reinforcement technology

Shuiwen dizhi gongcheng dizhi
Biological reinforcement is a new branch that has developed in the field of engineering geology in recent years, among which, the microbially induced calcium carbonate precipitation (MICP) reinforcement technology is an effective method.
Nan WANG, Qiong WANG, Weimin YE, Yonggui CHEN, Long XU, Wei SU   +5 more
doaj   +1 more source

Advances in MICP reinforcement technology used in island engineering

工程科学学报, 2023
Being an environmentally friendly technology, Microbially Induced Calcium Carbonate Precipitation (MICP) has become a popular research topic in the field of geotechnical and environmental engineering, among which island microbial technology is a ...
Yu-jie LI, Zhen GUO, Yi-long LI, Sheng-jie RUI, Yong-qiang ZHU   +4 more
doaj   +1 more source

Improvement Schemes for Bacteria in MICP: A Review

Materials
Biomineralization is a common phenomenon in nature, and the use of microbial-induced calcium carbonate precipitation (MICP) technology for engineering construction is a successful attempt to utilize natural biological phenomena, which has become a hot topic of current research.
Jin Zhu, Renjie Wei, Jie Peng, Di Dai
openaire   +2 more sources

Performance of microbially induced calcite precipitation (MICP) as a local scour countermeasure for offshore wind turbine monopile foundation

International Journal of Sediment Research
Microbially induced calcite precipitation (MICP) is an emerging method for mitigating scour and erosion. The present study experimentally investigates the efficacy of MICP as a local scour countermeasure for offshore wind turbine monopile foundations ...
Zihao Tang, Bruce W. Melville, Naresh Singhal, Asaad Y. Shamseldin, Liang Cheng, Dawei Guan   +5 more
doaj   +1 more source

Optimizing feather hydrolysate via machine learning for microbial recycling of waste concrete fines

Journal of Chemical Technology &Biotechnology, EarlyView.
Abstract BACKGROUND The concrete industry faces significant challenges from CO2 emissions and the disposal of waste concrete fines (WCF). Microbially induced calcite precipitation (MICP) can bind WCF into bioconcrete, but the high cost of commercial culture media hinders its application.
Henrietta Ottová, Barbora Malíková, Václav Nežerka, Petr Holeček, Dana Koňáková, Hana Stiborová   +5 more
wiley   +1 more source

Modeling Biocemented Sands: Hypoplastic Model for MICP‐Based Ground Improvement

International Journal for Numerical and Analytical Methods in Geomechanics, Volume 50, Issue 12, Page 4893-4912, 25 August 2026.
ABSTRACT Bio‐cementation offers a sustainable and low‐carbon alternative to conventional ground improvement methods, aligning with the growing demand for green geotechnical solutions. To enable reliable numerical simulation of bio‐cemented soil behavior in engineering applications, advanced constitutive models are required to account for the effects of
Merita Tafili, Hossam Abdellatif, Nazanin Irani, Torsten Wichtmann   +3 more
wiley   +1 more source

Experimental Study on Strengthening Root-Soil Composite with Different Root Contents by Using MICP

Advances in Civil Engineering, 2022
Microbial induced carbonate precipitation (MICP) in coordination with vegetation protection is a novel technology in the field of slope reinforcement. Urea in MICP can promote vegetation growth and change the root content in the soil.
Xuegui Zheng, Wei Huang, Zhijie Tan, Huihui Wang, Jianfeng Zhu, Yi Luo, Yuni Zhou   +6 more
doaj   +1 more source