Experimental Investigation on Effects of Bacterial Concentration, Crack Inclination Angle, Crack Roughness, and Crack Opening on the Fracture Permeability Using Microbially Induced Carbonate Precipitation
Uncontrollable leakage has significant effects on the safety of fractured rock mass, and microbially induced carbonate precipitation (MICP) is an effective way to control the seepage. In this study, four sets of seepage experiments are conducted on transparent rock-like specimens containing MICP fil...
Saved in:
| Main Authors: | , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Wiley
2021-01-01
|
| Series: | Advances in Civil Engineering |
| Online Access: | http://dx.doi.org/10.1155/2021/4959229 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1832561565908336640 |
|---|---|
| author | Yulin Zou Hao Bai Fan Shen Hong Xu Yundong Shou |
| author_facet | Yulin Zou Hao Bai Fan Shen Hong Xu Yundong Shou |
| author_sort | Yulin Zou |
| collection | DOAJ |
| description | Uncontrollable leakage has significant effects on the safety of fractured rock mass, and microbially induced carbonate precipitation (MICP) is an effective way to control the seepage. In this study, four sets of seepage experiments are conducted on transparent rock-like specimens containing MICP filled single cracks to investigate the effects of bacterial concentration, crack inclination angle, crack roughness, and crack opening on fracture permeability. The experimental results show that calcium carbonate precipitation is produced when Sporosarcina pasteurii and cementing fluid are injected into the cracks, which can seal the cracks and reduce the permeability of the cracks. Moreover, the calcium carbonate produced by Sporosarcina pasteurii increases with increasing bacterial concentration. Furthermore, the fracture permeability of the MICP filled crack increases first and then decreases with increasing inclination, roughness, and opening of cracks. The experimental results provide a better understanding of the influence of different construction conditions on fracture permeability when the MICP technology is applied in rock engineering. |
| format | Article |
| id | doaj-art-5f468c1cc9fe444a96aeaf4c81514f83 |
| institution | Kabale University |
| issn | 1687-8086 1687-8094 |
| language | English |
| publishDate | 2021-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advances in Civil Engineering |
| spelling | doaj-art-5f468c1cc9fe444a96aeaf4c81514f832025-02-03T01:24:46ZengWileyAdvances in Civil Engineering1687-80861687-80942021-01-01202110.1155/2021/49592294959229Experimental Investigation on Effects of Bacterial Concentration, Crack Inclination Angle, Crack Roughness, and Crack Opening on the Fracture Permeability Using Microbially Induced Carbonate PrecipitationYulin Zou0Hao Bai1Fan Shen2Hong Xu3Yundong Shou4Sichuan Railway Investment Group Co., Ltd., Chengdu 100036, ChinaSichuan Expressway Construction & Development Group Co., Ltd., Chengdu, ChinaSchool of Civil Engineering, Wuhan University, Wuhan 430072, ChinaNational Breeding Base of Technology and Innovation Platform for Automatic-Monitoring of Geologic Hazards (Chongqing Engineering Research Center of Automatic Monitoring for Geological Hazards), Chongqing 400042, ChinaNational Breeding Base of Technology and Innovation Platform for Automatic-Monitoring of Geologic Hazards (Chongqing Engineering Research Center of Automatic Monitoring for Geological Hazards), Chongqing 400042, ChinaUncontrollable leakage has significant effects on the safety of fractured rock mass, and microbially induced carbonate precipitation (MICP) is an effective way to control the seepage. In this study, four sets of seepage experiments are conducted on transparent rock-like specimens containing MICP filled single cracks to investigate the effects of bacterial concentration, crack inclination angle, crack roughness, and crack opening on fracture permeability. The experimental results show that calcium carbonate precipitation is produced when Sporosarcina pasteurii and cementing fluid are injected into the cracks, which can seal the cracks and reduce the permeability of the cracks. Moreover, the calcium carbonate produced by Sporosarcina pasteurii increases with increasing bacterial concentration. Furthermore, the fracture permeability of the MICP filled crack increases first and then decreases with increasing inclination, roughness, and opening of cracks. The experimental results provide a better understanding of the influence of different construction conditions on fracture permeability when the MICP technology is applied in rock engineering.http://dx.doi.org/10.1155/2021/4959229 |
| spellingShingle | Yulin Zou Hao Bai Fan Shen Hong Xu Yundong Shou Experimental Investigation on Effects of Bacterial Concentration, Crack Inclination Angle, Crack Roughness, and Crack Opening on the Fracture Permeability Using Microbially Induced Carbonate Precipitation Advances in Civil Engineering |
| title | Experimental Investigation on Effects of Bacterial Concentration, Crack Inclination Angle, Crack Roughness, and Crack Opening on the Fracture Permeability Using Microbially Induced Carbonate Precipitation |
| title_full | Experimental Investigation on Effects of Bacterial Concentration, Crack Inclination Angle, Crack Roughness, and Crack Opening on the Fracture Permeability Using Microbially Induced Carbonate Precipitation |
| title_fullStr | Experimental Investigation on Effects of Bacterial Concentration, Crack Inclination Angle, Crack Roughness, and Crack Opening on the Fracture Permeability Using Microbially Induced Carbonate Precipitation |
| title_full_unstemmed | Experimental Investigation on Effects of Bacterial Concentration, Crack Inclination Angle, Crack Roughness, and Crack Opening on the Fracture Permeability Using Microbially Induced Carbonate Precipitation |
| title_short | Experimental Investigation on Effects of Bacterial Concentration, Crack Inclination Angle, Crack Roughness, and Crack Opening on the Fracture Permeability Using Microbially Induced Carbonate Precipitation |
| title_sort | experimental investigation on effects of bacterial concentration crack inclination angle crack roughness and crack opening on the fracture permeability using microbially induced carbonate precipitation |
| url | http://dx.doi.org/10.1155/2021/4959229 |
| work_keys_str_mv | AT yulinzou experimentalinvestigationoneffectsofbacterialconcentrationcrackinclinationanglecrackroughnessandcrackopeningonthefracturepermeabilityusingmicrobiallyinducedcarbonateprecipitation AT haobai experimentalinvestigationoneffectsofbacterialconcentrationcrackinclinationanglecrackroughnessandcrackopeningonthefracturepermeabilityusingmicrobiallyinducedcarbonateprecipitation AT fanshen experimentalinvestigationoneffectsofbacterialconcentrationcrackinclinationanglecrackroughnessandcrackopeningonthefracturepermeabilityusingmicrobiallyinducedcarbonateprecipitation AT hongxu experimentalinvestigationoneffectsofbacterialconcentrationcrackinclinationanglecrackroughnessandcrackopeningonthefracturepermeabilityusingmicrobiallyinducedcarbonateprecipitation AT yundongshou experimentalinvestigationoneffectsofbacterialconcentrationcrackinclinationanglecrackroughnessandcrackopeningonthefracturepermeabilityusingmicrobiallyinducedcarbonateprecipitation |