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김홍일,진병익,유기송 한국농공학회 1984 한국농공학회논문집 Vol.26 No.1
This study was made to find several significant relations among various physical and mechanical properties including cone penetration resistance. The alluvial clay samples were taken at the Daebul Reclaimed Tideland in Samhomyeon, Yeongamgun, Jeonranamdo. The results of the study are summarized as follows; 1.Most samples belong to medium or high plastic, inorganic, silty clay(clay contents;32-64%, silt contents; 36-68%, sand contents; 0-3%). The specific gravities range from 2.70 to 2.73, the unit weights from 1.45 to 1. 75g/cm$^3$, the natural moisture contents from 45 to 77%, the liquid limits from 32 to 56%. It is certain that the foundation is weak because the natural moisture contents are much higher than the liquid limits. 2.It is known from the shear tests that the unconfined compression strenghs vary from 0.09 to 0. 38kg/cm2, the cohesions from 0.05 to 0. 21kg/cm2, the internal friction angles from 0 to 3˚. 3.The consolidation tests show that the initial void ratios range from 1.25 to 2.28, the compression indeices from 0.43 to 0.84, the preconsolidation loads from 0.21 to 0.74kg/cm$^2$. 4.Cone penetration resistances are usually less than 5kg/cm$^2$ from ground surface to the depth of about 8m, and from S to l0kg/cm$^2$ in the layer below about 8m to hard layer. 5.The cohesion and cone penetration resistance are in proportion to the depth of soil layer. 6.The correlations between various physical and mechanical properties including cone penetration resistance for the alluvial clay samples are as follows; a) Wn=0.944C+ l2.733 (r=0.829) b) LL=0. 728Cy+6. 991 (r=0. 873) c) PI=0.659Cy-8.168 (r=0.860) d) rt=0. 0077(272-Wn) =2.092-0. 0077Wn (r=0. 859) e) 60=0. 035wn-0 447 (r=0. 893) f) C=0.380qw+0.031 (r=0.816) g) qu=0.0707qc+0.029 (r=0.810) h) C=0.018Z+0.055 (r=O.802) I) qc=0. 415Z+1, 438 (r=0. 943)
A Rare Case of Calcinosis Cutis: Easily Mistaken as a Foreign Body
김홍일,김호성,이형석,김효영,김윤수 대한창상학회 2021 Journal of Wound Management and Research Vol.17 No.2
Calcinosis cutis is a very rare disease characterized by insoluble calcium salt deposits in the skin. There are five types of calcinosis, dystrophic type being the most common among them. Dystrophic calcinosis is generally caused by local tissue damage. We present the dystrophic calcinosis cutis case of a patient with no underlying diseases but a burn injury which occurred 10 years ago. She visited the hospital for an ulcerative wound on the same area. She also had sustained a dog bite injury on the same site 9 months ago, which was treated at an oriental clinic with no improvement. Physical examination by palpation revealed a hard mass under the skin. As the mass was of a large size, the possibility of a foreign body was considered. Surgical resection and biopsy of the mass diagnosed it as dystrophic calcinosis cutis. Although clinical features of this case were unlike previous calcinosis cutis cases, performing a biopsy proved helpful towards its diagnosis.
Malignant Hepatic Solitary Fibrous Tumor
김홍일,Seok Kyung In,이형석,Min Jeong Lee,김효영 대한간암학회 2019 대한간암학회지 Vol.19 No.2
Hepatic solitary fibrous tumors (SFTs) are mostly benign and rare because of information regarding the clinical symptoms, treatment, and prognosis of their malignant forms is currently lacking. A literature review concerning malignant SFTs revealed that there were a few cases where patients experienced abdominal right upper quadrant (RUQ) pain as their first clinical symptom, and metastases were found after being diagnosed with hepatic SFT. Here, we report a patient who was previously healthy without any clinical symptoms such as RUQ pain or weight loss, but had the appearance of a metastatic mass as the first clinical presentation before a primary hepatic SFT was detected