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Performance enhancement of brick aggregate concrete using microbiologically induced calcite precipitation

机译:微生物诱导方解石沉淀法提高砖混混凝土的性能

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The use of brick aggregates is very common in Bangladesh and nearby regions as artificial Received 1 January 2019 aggregate replacing natural stone. To ensure sustainable construction, finding a way to Received in revised form 9 May 2019 enhance its durability is extremely necessary. Microbiologically Induced Calcite Accepted 9 May 2019 Precipitation (MICP) using indigenous urease positive bacteria collected from soil showed promising results in initial research, hence further investigation has been carried out for comprehensive understanding on the effectiveness of this method. Two incubation periods of 24 hours and 48 hours were considered for bacterial culture. Absorptiometric method was used to examine population growth of bacteria due to varying incubation period. Both.
机译:在孟加拉国和附近地区,砖骨料的使用非常普遍,因为人工接骨料已于2019年1月1日收到,代替了天然石材。为确保可持续发展,2019年5月9日修订后的收货方式必须提高耐用性,这一点极为必要。微生物诱导的方解石被接受2019年5月9日,使用从土壤中收集的本地脲酶阳性细菌进行的沉淀(MICP)在初步研究中显示出令人鼓舞的结果,因此进行了进一步调查以全面了解这种方法的有效性。考虑进行细菌培养的两个潜伏期24小时和48小时。使用吸光光度法检查由于潜伏期不同而引起的细菌种群增长。都。

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