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김강수(Kang Soo Kim) 중앙법학회 2011 中央法學 Vol.13 No.2
Companies can develop serious regulatory and 1ega1 prob1ems when they have breakdowns in interna1 contro1s. The pain of non-compliance and recent high profile compliance failures have caused companies to budget more money to proactive1y address those types of prob1ems. Compliance programs are a species of internal controls. typically a tai10red set of devices to meet externally- imposed non-financial mandates. A study on the prob1ems and solutions of internal contro1 system and compliance officer is as follows. First. with regard to the scope of interna1 contro1 system and compliance`s ro1e. interna1 control system can be devide financial and non-financia1 controls, to manage risk and compliance can be comprised in non-financia1 control. Second, efficient compliance program can be secured through the compliance officer`s independence and expertise. an objective standard for the ro1e of compliance officer and an audit or audit committee should be showed. Third, compliance must have the position and situation who can cope with externa1 or interna1 pressure. it is necessary to make adopt compliance system by compu1sion. but it is desirable to use the way which the corporation established compliance program can be remitted a fine. This article makes a study on the propriety of introduction of ``internal control system`` and ``compliance officer``. The detailed assertions of the article are as follows. First, in regard of the compliance officer, the officer had better be separated from the legal and audit departments, and the officer needs to be under control by a board instead of an internal auditor. Besides, the compliance officer is recommended to be separated from a person directly in charge of the compliance work. In the case, the paper suggests that there be no qualification on the compliance officer, but the person in charge of the compliance affairs be a lawyer including a foreign lawyer. Second, with regard to the scope of the system and a legal basis, the scope of the internal control system for a listed company needs to be limited to the compliance of laws and regulations excluding risk management operation. Also, the internal control system had better be obligated not by a statute but by a more flexible rule of Korea Exchange. Third, the study shows how much important the incentives are for more adoption of the compliance system by listed companies by introducing good examples of other countries.
김강수(Kim Kang-Su),이득행(Lee Deuck-Hang),주현진(Ju Hyun-Jin) 대한건축학회 2011 大韓建築學會論文集 : 構造系 Vol.27 No.2
Current codes of practice have specified the minimum and maximum shear reinforcement ratio to prevent the brittle shear failure of reinforced concrete members. These limits on shear reinforcement, however, are significantly different, and cannot consider the effect of longitudinal reinforcement ratio and shear span ratio on the shear reinforcement limits. Thus, this study proposed the minimum and maximum shear reinforcement ratio considering these influencing factors, and compared to test data from previous studies and other approaches. The analysis results imply that the proposed limits on shear reinforcement are very rational and proper for reinforced concrete members having various concrete compressive strengths and longitudinal reinforcement ratios.
한국인 결절홍반, 경화홍반 환자들의 IGRA 양성률 조사
김강수 ( Kang Su Kim ),김상석 ( Sang Seok Kim ),김철우 ( Chul Woo Kim ) 대한피부과학회 2020 대한피부과학회지 Vol.58 No.1
Background: Erythema nodosum (EN) and erythema induratum (EI) are similar inflammatory diseases of the lower extremities. Several factors (infections, drug hypersensitivity, inflammatory diseases, etc.) have been suggested as the cause of these diseases. Among them is Mycobacterium tuberculosis (MTB) infection. However, there is still a lack of evidence supporting this finding. Objective: This study aimed to confirm whether Korean patients with EN/EI will exhibit positive interferon-gamma release assay (IGRA) results and determine the association of these disease with tuberculosis. Methods: We retrospectively analyzed the clinical characteristics and IGRA test results of 62 patients (46 with EN and 16 with EI). Results: A total of 22 of 44 EN patients (50%) had positive IGRA test results, except for two with “undetermined” results, and 12 of 16 EI patients (75%) had positive test results. This result was higher than that of the control group (15.5%, 292/1887) and showed a statistically significant difference (each p=0.000). Moreover, the proportion of EI patients with positive test results was higher than that of patients with severe psoriasis (35.6%, 112/315; p=0.001). Among EN/EI patients with positive IGRA test results, those treated with antituberculosis therapy (HREZ) showed good response rate. The response rate was 85.7% (6/7) for patients with EN and 90% (9/10) for those with EI. Conclusion: High IGRA positivity was found in Korean EN/EI patients. This finding suggests a significant association between these diseases and tuberculosis. (Korean J Dermatol 2020;58(1):14∼19)
Zr-2.5Nb 압력관 크랙선단에서 수소화물의 응력해석
김강수(Kang Soo Kim),김영석(Young Suk Kim),정용무(Yong Moo Cheong),안상복(Sang Bok Ahn),임경수(Kyoung Soo Im) 대한기계학회 2006 대한기계학회 춘추학술대회 Vol.2006 No.3
Delayed Hydride Cracking (DHC) tests are conducted by using CT specimens of Zr-2.5Nb at 250℃. The test data is inputed for the FEM model. The stresses of the hydride and Zr-2.5Nb elements near the crack tip of the FEM model are examined. Also, the plastic zone size and average stresses near the crack tip are calculated for checking the effects of the plastic constraint. The material behavior of the elements near a crack tip, the hydride expansion stress, the hydride fracture strength and the size of the plastic zone according to each K are found. Also, Stage Ⅰ and Stage Ⅱ of the unique DHC phenomenon can be explained through an analysis of the plastic constraint force in the plastic zone.
이종재료 Butt 용접에 대한 Overlay 용접의 잔류응력해석
김강수(Kang Soo Kim),이호진(Ho Jin Lee),이봉상(Bong Sang Lee),정인철(In Chul Jung),변진귀(Jin Gwi Byeon),박광수(Kwang Soo Park) 대한기계학회 2008 대한기계학회 춘추학술대회 Vol.2008 No.11
In recent years, the dissimilar metal, Alloy 82/182 welds used to connect stainless steel piping and low alloy steel or carbon steel components in nuclear reactor piping system have experienced cracking due to primary water stress corrosion(PWSCC). It is well known that one reason of the cracking is the residual stress by the weld. But, it is difficult to estimate exactly weld residual stress due to many parameters of welding. In this paper, the analysis of 3 FEM models made by ABAQUS Code is performed to estimate exactly the weld residual stress on the dissimilar metal weld. 3 FEM models are Butt model, Repair model and Overlay model and are the plane?strain 2D model. The thermal analysis and the stress analysis are performed on each model and the residual stresses on each model were calculated and compared respectively. Also, the specimen of Butt model was made and the residual stresses were measured by X-Ray method and Hole Drilling Technique. These results were compared with the FEM result of Butt model.
김강수(Kang Soo Kim),김영석(Young Suk Kim),정용무(Yong Moo Cheong) 대한기계학회 2006 대한기계학회 춘추학술대회 Vol.2006 No.6
Delayed Hydride Cracking (DHC) tests are conducted by using CT specimens of Zr-2.5Nb at 250 ℃. The test data is inputed for the FEM model. Two models is made according to the application of the hydride expansion. Hydride stresses and average stresses of the plastic zone of two FEM models are calculated and two results are compared. That results say that hydride fracture is due to the hydride expansion and say that hydride fracture is related to the relation between the increment of the hydride expansion stress and the increment of the average stress of the plastic zone on the hydride. Also, that results say that the hydride expansion is most important factor of DHC. Now, Stage Ⅰ and Stage Ⅱ of the unique DHC phenomenon can be explained through an analysis of the increment of the hydride expansion and the plastic constraint force in the plastic zone.