PDF(Pubmed)
Abstract：
In this study, biocementation of slope soil was performed using low-cost, commercially available materials to create a nutrient solution with native Cytobacillus hornekea. The high cost of laboratory-grade materials and microbes for biocementation is one of the main obstacles to its popularity. However, the cost of biocementation has been reduced significantly without reducing the strength when low-cost materials were used instead of laboratory-grade materials in this study. Direct shear test results and SEM also proved the suitability of the low-cost biocementation. Artificial rainfall with an intensity of 50-60 mm/h resulted in soil erosion of around 10% and 2% without and with biocementation, respectively. The amount of produced calcium carbonate was around 3.9% while using the low-cost materials with native microbes which is quite comparable with the laboratory-grade materials (3.4%).
摘要：
在这项研究中,采用低成本的方式对坡面土壤进行生物固井，商业上可用的材料来创建具有天然霍氏细胞杆菌的营养液。用于生物固持的实验室级材料和微生物的高成本是其普及的主要障碍之一。然而,在本研究中,当使用低成本材料代替实验室级材料时,在不降低强度的情况下,生物固井成本显著降低.直接剪切测试和SEM结果也证明了低成本生物固井的适用性。强度为50-60mm/h的人工降雨导致土壤侵蚀约为10％和2％，没有和有生物成土，分别。所产生的碳酸钙的量为约3.9%,同时使用具有天然微生物的低成本材料,这与实验室级材料相当(3.4%)。
