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首页> 外文期刊>Arabian Journal for Science and Engineering >Studies on Biocementation of Mortar and Identification of Causative Bacteria
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Studies on Biocementation of Mortar and Identification of Causative Bacteria

机译：砂浆生物学研究及致病性细菌的鉴定

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摘要

A major challenge for construction industry is the durability of structures. A lot of work is being done to strengthen structures.Microbially induced calcium carbonate precipitation (MICCP) or biocementation is an innovative technology, which usesureolytic bacteria to precipitate CaCO_3 to strengthen cementitious materials. In this research, the effect of a bio-solutionincorporated with soil as microbial source on the mechanical properties of mortar was studied. Cost reduction in the processwas done by using natural ingredients. A considerable increment in compressive strength and a decrement in water absorptionof the bio-mortar specimens were observed. Two ureolytic bacteria were identified, viz. Bacillus cereus and Enterobactercloacae. The effect of these identified ureolytic pure cultures on mortar was also studied.
机译：建筑业的一项重大挑战是结构的耐用性。正在做很多工作来加强结构。微生物诱导的碳酸钙沉淀（MICCP）或生物保护是一种创新技术，它使用尿溶细菌沉淀CaCO_3加强水泥材料。在这项研究中，生物解决方案的影响研究了土壤作为微生物来源，研究了砂浆的机械性能。过程中的成本降低通过使用天然成分完成。抗压强度相当大的增量和吸水率下降观察生物砂浆样本。鉴定了两种尿素细菌，viz。芽孢杆菌和肠杆菌Cloacae。还研究了这些鉴定的尿溶型纯培养物对砂浆的影响。

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  • 来源
    《Arabian Journal for Science and Engineering》 |2021年第5期|4563-4576|共14页
  • 作者

    Anuja U. Charpe; Snigdha P. Bhutange; M. V. Latkar; T. Chakrabarti;

  • 作者单位

    Civil Engineering Department Velagapudi RamakrishnaSiddhartha Engineering College Vijayawada AndhraPradesh 520007 India;

    Civil Engineering Department Visvesvaraya NationalInstitute of Technology (VNIT) Nagpur Maharashtra440010 India;

    Civil Engineering Department Visvesvaraya NationalInstitute of Technology (VNIT) Nagpur Maharashtra440010 India;

    Maharashtra Pollution Control Board Civil EngineeringDepartment Visvesvaraya National Institute of Technology(VNIT) Nagpur Maharashtra 440010 India;

  • 收录信息 美国《科学引文索引》(SCI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Bio-mortar; Compressive strength; Bacillus cereus; Enterobacter cloacae;

    机译：生物砂浆;抗压强度;芽孢杆菌;肠杆菌肝脏;

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