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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.12
- 수록면
- 630 - 637 (8page)
이용수
초록· 키워드
오류제보하기
The present study aimed to investigate the potential of Enterococcus faecalis (E. faecalis) and Bacillus cereus (B. cereus) in improving the properties of bio-concrete. E. faecalis and B. cereus strains were obtained from fresh urine and an acid mire water at cell concentration of 1.16×1012 and 1.3×1012 cells mL-1, respectively. The bacterial strains were inoculated in a liquid medium into the concrete with 1, 3 and 5% as replacement of water cement ratio (w/c). The ability of E. faecalis and B. cereus cells to accumulate the calcite and the decrement of pores size within bio-concrete was confirmed by SEM and EDX analysis. The results revealed that E. faecalis exhibited high efficiency for increasing of compressive and splitting tensile strength than B. cereus (23 vs. 14.2%, and 13 vs. 8.5%, respectively). These findings indicated that E. faecalis is more applicable in the bio-concrete due to its ability to enhance strength development and reduce water penetration.
목차
ABSTRACT
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusions
References
참고문헌 (34)
참고문헌 신청
Abdel Gawwad HA, Mohamed SAE-A, Mohammed SA. Impact of magnesium chloride on the mechanical properties of innovative bio-mortar. Mater. Lett. 2016;178:39-43.
Vashisht R, Attri S, Sharma D, Shukla A, Goel G. Monitoring biocalcification potential of Lysinibacillus sp. isolated from alluvial soils for improved compressive strength of concrete. Microbiol. Res. 2018;207:226-231.
Jin S, Zhang J, Han S. Fractal analysis of relation between strength and pore structure of hardened mortar. Constr. Build. Mater. 2017;135:1-7.
Meddah MS, Al-Jabri K, Hago AW, Al-Hinai AS. Effect of granular fraction combinations on pervious concrete performance. Mater. Today Proc. 2017;4:9700-9704.
Yu Z, Ni C, Tang M, Shen X. Relationship between water permeability and pore structure of Portland cement paste blended with fly ash. Constr. Build. Mater. 2018;175:458-466.
Vashisht R, Attri S, Sharma D, Shukla A, Goel G. Monitoring biocalcification potential of Lysinibacillus sp. isolated from alluvial soils for improved compressive strength of concrete. Microbiol. Res. 2018;207:226-231.
Jin S, Zhang J, Han S. Fractal analysis of relation between strength and pore structure of hardened mortar. Constr. Build. Mater. 2017;135:1-7.
Meddah MS, Al-Jabri K, Hago AW, Al-Hinai AS. Effect of granular fraction combinations on pervious concrete performance. Mater. Today Proc. 2017;4:9700-9704.
Yu Z, Ni C, Tang M, Shen X. Relationship between water permeability and pore structure of Portland cement paste blended with fly ash. Constr. Build. Mater. 2018;175:458-466.
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UCI(KEPA) : I410-ECN-0101-2019-539-000920731