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김형렬,정상준,강준호,Hyung-Ryul Kim,Sang-Jun Jung,Jun-Ho Kang 한국암반공학회 2023 터널과지하공간 Vol.33 No.4
As the demand for urban underground space increases recently, urban tunnel planning is actively progressing. In the urban area, a underground station is planned in consideration of the living environment of residents, and 2-arch tunnel is applied for the stability of existing structures and reduction of environmental damage. However, since the depth of weak rock mass is deeply distributed in the urban area due to severe weathering, careful planning is required to secure tunnel stability. In addition, if TBM mechanical excavation is applied as the main tunnel excavation method considering the composite ground in urban area, the construction connectivity with the 2-arch tunnel of the NATM concept may be deteriorated. In this study, the design case of applying TBM pre-excavation type 2-arch tunnel for the first time in Korea was mainly described. The main considerations for the segment design of TBM pre-excavation type 2-arch tunnel were explained for side tunnels. Also, a stability analysis was conducted to verify the effectiveness and adequacy of the TBM pre-excavation type 2-arch tunnel.
국내호텔 Casino 식음료 업장의 메뉴에 대한 평가 분석
김형렬(Hyung Ryul Kim) 한국조리학회 2000 한국조리학회지 Vol.6 No.2
This study is intended to present the direction for the wholesome development and support of the hotel casino industry in Korea through the menu analysis of hotel casino restaurant. Miller`s menu analysis was made of a lower food cost percentage in consideration of the quantity sold of each menu item and food cost percentage. As a result, it was shown that the proportion belonging to the upper category in the menu items intended for research in Korean casino restaurant, it raises a problem in the menu management of Korean casino restaurants.
운동습관이 1 일의 총에너지소비량에 미치는 영향 : Doubly Labeled Water 법에 의한 검토
김형렬(Hyung Ryul Kim),이상직(Sang Jik Lee),이수천(Soo Chun Lee),이기철(Ki Chul Lee),권태동(Tea Dong Kwon),사이또신이치(Shinichi Saitoh) 한국운동영양학회 2001 Physical Activity and Nutrition (Phys Act Nutr) Vol.5 No.2
N/A The effect of overweight can be demonstrated by the fact that diabetes, hypertension, and heart disease increases dramatically throughout all ages. As a part of the Project on Health Care under the ministry of Health & Welfare, it recommends obese people to begin exercising regularly and consumed a diet low in fats. This project is designed to help people in their care of overweight and obesity, a growing public health problem. However, it`s not easy for them to change their life styles. To make this process even easier, we must set up a clear object based on scientific theories. It is expected that the most important key to success is to find clear relationships between exercise habits and total energy expenditures, and between obesity and weight control. Researchers have identified several factors, which affects and results in a syndrome of obesity. However, there is no evidence that the cause of obesity is resulted from either eating habits or lack of exercise. Because they`ve made a distinction between energy intake and energy expenditure before a evaluation, they couldn`t find what factors cause obesity exactly. Obesity can be determined by the measurement of the level of physical activity and total daily energy expenditure. Therefore, many researchers around world are marking every effort to find appropriate measurement techniques for these. This study not only brings on basic information regarding the obesity, but also serves as a good introduction to making to reader understand the double-labelled water method which is known as the golden standard for energy expenditure.
두충수피 분말을 첨가한 절편의 이화학적 및 관능적 품질특성
김옥선(Kim, Ok-Sun),김형렬(Kim, Hyung-Ryul) 한국외식산업경영학회 2016 외식산업경영연구 Vol.12 No.2
In order to investigate physiological activities of the Eucommia ulmoides(raw bark, roasted bark, steamed bark) general and chemical component, antioxidant, antibiotic effects were analyzed. To get the best formula for Jeolpyon different quantity of various part of Eucommia ulmoides were used to. water activity, color, gelatinization, texture and sensory characteristics were investigated after making Jeolpyon. There studies showed that bark of Eucommia ulmoides are containing a lot of dietary fiber, vitamin C, β-carotene, amino acid, mineral, antioxidant compounts. So if we use this ingredient for making Jeolpyon it would be good results. Sensory characteristics showed that the color of Jeolpyon containing raw bark and roasted bark were the best, flavor, taste, moistness, softness of the Jeolpyon 4% were the best.
축대칭 조건 및 경계면 요소를 이용한 Piled Raft 기초의 유한차분 모델링 연구
유광호,김형렬,배상한,You, Kwang Ho,Kim, Hyung Ryul,Bae, Sang Han 대한토목학회 2015 대한토목학회논문집 Vol.35 No.4
본 연구에서는 수치해석을 이용한 piled raft 기초의 복합적인 거동평가를 위해 축대칭 조건 및 경계면 요소를 적용한 유한차분해석 모델링 방법이 합리적인지 검증하였다. 이를 위해 실내모형실험 결과와 수치해석 결과를 비교 분석하여 piled raft 기초의 모델링 방법의 적합성을 평가하였다. 그리고 실제 현장조건을 고려한 기초 매개변수에 대한 민감도분석을 수행하여 raft의 하중분담율을 분석하였다. 연구 결과, 실내모형실험과 수치해석 결과에서 지지력-수직변위의 상관관계가 동일한 경향을 보였으며, piled raft 기초의 극한지지력과 raft의 하중분담율이 비교적 유사하게 산정되었다. 그리고 민감도분석을 통해 raft의 하중분담율은 약 33%~52% 사이에서 산정되어, 기존 연구 결과와 유사함을 확인하였다. 따라서 piled raft 기초는 축대칭 조건 및 경계면 요소를 이용하여 효과적으로 모델링될 수 있을 것으로 판단된다. In this study, FDM modelling with axisymmetry condition and interface element was verified whether it is reasonable to estimate compositive behavior of a piled raft foundation. To this end, the modelling validity of piled raft foundations was estimated by comparing and analyzing numerical analysis results and laboratory model test results. Also, load bearing ratio of a raft is analyzed by performing sensitivity analysis of foundation parameters with the actual field conditions. As a result of this study, correlation between bearing capacity and vertical displacement of numerical results turned out to be similar with that of a laboratory model test. In addition, ultimate bearing capacity of piled rafts and load bearing ratio of the raft is calculated to be similar in both cases. The load bearing ratio of the raft was also estimated to be in the range of 33% to 52% from the sensitivity analysis. The results were confirmed to be similar to the previous studies. Therefore, it can be inferred that piled rafts can be effectively modelled applying axisymmetry condition and interface element.
김선우(Kim, Sun-Woo),이태강(Lee, Tai-Gang),김형렬(Kim, Hyung-Ryul),김항(Kim, Hang),최은석(Choi, Eun-Suk) 한국소음진동공학회 2006 한국소음진동공학회 논문집 Vol.16 No.2
Korean traditional houses have been evolved and developed in many years, adopting the natural environment to control exterior conditions. These control method are various Passive system of using natural materials, considering micro climate, building lay out, and these system are much natural and ecological to make the comfortable indoor climate than active systems of the present houses. This study aims to analyzed the acoustical characteristics of Korean traditional houses varied with lay out and floor plan to reflect the way of control for environmental condition. The reverberation time and level difference between rooms of the main living room and other main floored room, master room and kitchen are measured in each houses. As a result, the reverberation time of Korean traditional rooms are below 0.6 second, and the sound insulation performance of Korean traditional door are mostly very low grade with D-15. The level difference between rooms are low grade not to meet minimum class except between main living room and master room away from main living building. These above results show that our traditional house are much more emphasized seeking visual privacy of rooms than aural privacy.
전남지방 전통주택의 하절기 온습도 측정 및 주관평가에 관한 실험적 연구
김선우,이태강,김형렬,Kim Sun-Woo,Lee Tai-Kang,Kim Hyung-Ryul 한국주거학회 2006 한국주거학회 논문집 Vol.17 No.2
This study aims to analyzed thermal comfort characteristics and subject response for thermal environment of Korean traditional houses.. The air temperature and humidity in the living area of the residence were measured in during a day. And the subject response were surveyed to evaluate of controling the thermal environment factor (temperature, humidity, comfort) of the korean traditional houses. As a result, the variation of air temperature and humidity of most rooms are considerably static while condition of outdoors are much varied, it is showed that indoor climate has been controled with traditional soiled walls. And environmental control for the air temperature and humidity is estimated considerably satisfactory.