지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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To evaluate bio-cementation of microbial on sands, laboratory test was conducted using acrylic cubic molding boxes (5 cm x 5 cm x 5 cm). It wasincubated the microbial, called Bacillus Pasteurii, according to Park et al (2011, 2012). and applied 50ml each specimen. Two type of sand samples usedwere Jumoonjin sand and common sand (well graded). These sands were molded in acrylic boxes with the relative density of 30 % and 60 % respectively.
Microbial were poured onto the samples molded in acrylic boxes and cured at the room temperature and humidity. After 7, 14 and 21days, it was measuredthe compressive strength, pH, EC, and density and it were observed SEM and XRD to verify the effect of bio-cementation. It was found thatbio-cementation was increased a strength of sands and it was appeared that strengths were related to the type of sand and relative density. Therefore it wasconfirmed the solidification of sands using the bio-cementation by microbial activation and the usefullness of acrylic molding boxes when tests wereconducted on the soil of sands.
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참고문헌 (21)
참고문헌 신청
/ / Test method for density of soil particles / KS F 2308
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/ / Test method for water content of soils / KS F 2306
/ / Testing method for compressive strength of hydraulic cement mortar / KS L 5105
/ / Test method for particle size distribution of soils / KS F 2302
/ / Test method for soil compaction using a rammer / KS F 2312
/ / Test method for water content of soils / KS F 2306
/ / Testing method for compressive strength of hydraulic cement mortar / KS L 5105
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