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A Study on the Take-Out Food Usage of University Students in Seoul and Some Regions in Gyeonggi-do. (서울.경기 일부지역 대학생의 Take-out Food 이용실태)

  • 유성은;한영실;주나미
    • Korean journal of food and cookery science
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    • v.19 no.5
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    • pp.546-554
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    • 2003
  • This study was designed to identify the take-out food usage of university students in Seoul and Gyeonggi-do. Questionnaires were used to analyze these habits among 500 respondents. 1. The Frequency of Take-Out Food use: the greatest proportion of students used take-out foods once or twice a week (33.8%). 2. The reasons for Take-Out Food use: fastness was the major reason (47.8%). 3. The day of the week for Take-Out Food use: the majority of the students used Take-Out foods regardless of the day (54.4%). 4. The time of day for Take-Out Food use: 6∼8 p.m. for 31.6%. 5. The cost spent in each meal: 51.6% spent 3,000 to under 5,000 won. 6. The menus of Take-Out Food used: coffee was the most popular of all the take-out foods (43.6%). 7. Points considered when buying Take-Out Food: the majority of the college students thought tastes and quality of the foods were the most important considerations (51.0%). 8. The source of information about Take-Out Food: 43.4% of the students obtained information from their friends.

Analysis of Impulse Force and Kinematic Factors of the Limbs during Stefan Holm's Take-off Phase and Penultimate Stride of High Jump (Stefan Holm의 높이뛰기 발구름 동작에서의 충격력과 상지와 하지 분절의 운동학적 분석)

  • Lee, Jin-Taek
    • Korean Journal of Applied Biomechanics
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    • v.21 no.1
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    • pp.97-105
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    • 2011
  • The purpose of this study was to investigate the kinetic factors of Stefan holm's take-off motion and provide the technical data. Collected data of the subject(height: 181 cm, weight: 71 kg, record: 230 cm) were used for the last two strides and take-off phase. The results were as follows: The vertical impulse force was 2044.8 N which was 2.49 times and the anterior-posterior impulse force was -1306.4 N which was 1.88 times of the subject's weight. The take-off leg angular velocities($\omega_x,\;\omega_y$) were switched drastically from clockwise to count clockwise direction between two-step touchdown and take-off. The highest jerk of the take-off foot was 368.97 m/s3 during the two step take-off and the take-off foot made an impact to the ground with 1225.07 m/s3 during the one step touchdown.

An Accuracy Analysis on Quantity Take-off Using BIM-based Spatial Object (BIM 기반의 공간객체를 이용한 물량산출 정확성 분석)

  • Cha, You-Na;Kim, Seong-Ah;Chin, Sang-Yoon
    • Journal of KIBIM
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    • v.4 no.4
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    • pp.13-23
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    • 2014
  • After being introduced, Building Information Modeling (BIM) has been actively applied to the cost estimation of construction projects, and various studies on BIM based quantity take-off have been carried out. In practice, however, these calculations take considerable time, because BIM based quantity take-off is further conducted along with 2D-based quantity take-off. Studies on the quantity take-off using BIM spatial objects have been carried out on early stages of projects, but how this method differs from the existing quantity take-off method and how accurate it is in comparison have rarely been verified. Therefore, by comparing 2D based quantities with quantities through BIM spatial objects, this study analyzed the accuracy of quantity take-off using BIM spatial objects. To this end, the properties of BIM spatial objects and quantity calculable spatial types were analyzed, and existing 2D-based quantities and quantities extracted from BIM spatial objects were compared through a case study. As a result, the quantity of spatial objects found to be more by about 7.13% in 0.05% and therefore, this difference should be considered during quantity take-off using BIM spatial objects. Through the results of this study, we can improve the accuracy of quantity take-off using BIM spatial objects in the early stage of a construction project.

Parametric Quantity Take-Off of Earthwork by Comparing the Use of Surface and Solid Models (Surface 및 Solid 방식의 비교를 통한 Parametric 기법의 토공물량산출 방법)

  • Hwang, Hee-Su;Lee, Jae-Hong;Kim, Tae-Young
    • Journal of KIBIM
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    • v.8 no.1
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    • pp.56-62
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    • 2018
  • There exists no precedented case of quantity take-off, using parametric modeling, from BIM-based irregular structures. Civil 3D provides earthwork quantity take-off based on surface modeling. Generally, designers should enter data into the specification additionally after extracting quantity estimation from earthwork modeling design. The objective of this report is to suggest the method from quantity take-off to specification of BIM-based earthwork quantities. We intend to investigate earthwork take-off method by Civil3D and explain why parametric information extraction is required for quantity estimation and specification and how information of earthwork quantity based on solid and surface modeling is connected to open quantity take-off module. It is highly expected that this suggestion would be the practical methodology of earthwork quantity take-off and specification in the field of civil engineering.

Considerations When Quantity Take-Off of Rebar Based on the BIM Model (BIM Model 기반 철근 수량산출 시 고려사항)

  • Jeong, Seo-Hee;Kim, Ju-Yong;Kim, Gwang-Hee
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2023.05a
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    • pp.73-74
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    • 2023
  • The purpose of this study is to derive the cause of the quantity difference and present the considerations when take-off rebar quantity based on BIM model by comparing the quantity of rebar based on BIM model with 2D drawing. This research was limited to take-off the quantity of rebars in the building frame work, and after take-off the quantity of rebars by 3D modeling the 2D drawing of the target building with Revit, the quantity difference was compared with 2D-based software. Therefore, when take-off the quantity of rebars based on the BIM model, instead of take-off the existing 2D-based quantity premium proportion, according to general structural consider development length, lap splice length, covering thickness, reinforcing bars and spacing. In the future, this study is expected to contribute to improving the accuracy of BIM-based frame construction quantity take-off.

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Allometric Relations of Take-off Speed and Power with Body Mass of Anuran Amphibians

  • Choi, In-Ho;Shin, Jae-Seung;Kim, Mi-Hyun
    • Animal cells and systems
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    • v.2 no.4
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    • pp.477-481
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    • 1998
  • Previous studies have postulated that isometric animals exert similar locomotory capacity (speed, distance) because the amount of energy available for the motion would be the same regardless of body mass (m). To test propriety of this theory, we examined body shape and take-off potential of two frog species, Rana nigromaculata (powerful jumpers) and Bombina orientalis (slow hoppers). Morphological measurements included thigh muscle mass (indicative of total muscle force), hindlimb length (L, determining acceleration distance), and interilial width (shaping take-off motion). To gauge locomotory capacity, take-off speed (v) and take-off angle ($\theta$) were measured from video analyses, and jump distance (R) and take-off Power ($P_{t}$ ) were calculated from equations $R=V^{2}sin2\theta/g$ and ($P_{t}$$㎷^{3}/2L$(where g is the gravitational constant). Scaling exponents of morphometric variables for both species were 0.96-1.11 for thigh muscle mass, 0.28-0.29 for hindlimb length, and 0.30-0.36 for interilial width. Scaling exponents of locomotory performance for the two species were -0.01-0.14 for take-off speed, 0.24-0.31 for jump distance, and 0.66-0.84 for take-off power. The results demonstrate that the frogs of this study showed isometric body shape within species, but that take-off response changed allometrically with body mass, indicating that these data did not fully support the previous proposition. An exception was found in take-off speed of B. orientalis, in which the speed changed little with body mass (slope=-0.01). These findings suggest that the energy availability approach did not properly explain the apparent allometric relations of the take-off response in these animals and that an alternative model such as a power production approach may be worth addressing.

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The physical properties and the dyeability of nylon fibers prepared by high speed spinning (고속방사 나일론 섬유의 물성 및 염색성)

  • 김태경;윤석한;임용진;손영아;한진완
    • Textile Coloration and Finishing
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    • v.14 no.4
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    • pp.197-207
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    • 2002
  • The physical properties and dyeability of the nylon 6 fibers prepared by high speed spinning at take-up speed of 4,100~5,600m/min were investigated. The strain decreased as the take-up speed was raised from 4,100m/min to 4,400m/min, but further increase of take-up speed could not decrease the strain. The stresses of the fibers spinned at various take-up speed did not make any noticeable differences. Birefringences, densities and crystallinities of the fibers increased with the take-up speed and then reached to a nearly maximum value at 5,300m/min. In DSC diagrams, the $\gamma$ form of crystal became dominant at higher take-up speed. The dye uptakes of C. I. Acid Blue 113 on the fibers decreased a little with the increase of take-up speed.

서울ㆍ경기 일부지역 대학생의 TAKE-OUT FOOD 이용 실태 조사

  • 주나미;한영실;유성은
    • Proceedings of the Korean Society of Food and Cookery Science Conference
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    • 2003.05a
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    • pp.83-83
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    • 2003
  • 현대 사회에서의 식생활 양상은 다양성, 편리성을 추구하는 경향을 나타내고 있으며 또한 핵가족 및 독신자 가족 중대 등 가족제도의 변화로 외식의 기회는 증가하고 있는데 최근 빠른 속도로 성장 보급되고 있는 것이 집으로 음식을 가져가도록 서비스를 제공해주는 take-out food점이다. take-out food점의 주 고객으로 부상하고 있는 서울, 경기지역의 대학생들을 대상으로 take-out food의 이용실태 및 만족도를 조사함 으로써 소비자들에게는 질 좋은 서비스를 받을 수 있도록 하고 효율적이고 합리적인 take-out food점 운영을 위한 기초 자료를 제공하고자 하였다. (중략)

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Finite Element Analysis for the Safety Assessment of Take-out Robot (취출로봇의 안전성 평가를 위한 유한요소해석)

  • Hong, Hee-Rok;Lee, Joon-Seong
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.15 no.3
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    • pp.1241-1246
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    • 2014
  • Take-out robots used for handling of the plastic parts manufactured with the injection mold are usually the gantry type that consists of long and thin links. In this study, we want to evaluate the safety of the take-out Robot structure through finite element analysis. The take-out Robot is automated robot to transport from one location to another in the molded article. The take-out Robot structure has a 380 kilogram weight, a 1300mm width, a 670.5mm depth and a 670mm height. It confirms the equivalent stress and the deformation of the load and its own weight through weight analysis. It looks for the natural frequency of the take-out robot through modal analysis. It confirms the acceleration, the normal stress and the deformation about the natural frequency of the take-out robot through response analysis. Also It repeats the analysis by changing the structure of the take-out robot, to confirm the results and it is determined whether the safety of the structure. These analysis results are effectively used to reduce the vibration of the take-out robot.

The Comparison of the Long-Take Technique of Cinemas and the Continuity of Architectural Space Based on Lacan's Visual-Art Theory (라깡의 시지각 예술이론에 의한 영화의 롱 테이크 기법과 건축 공간의 연속성 비교)

  • Choi, Hyo-Sik
    • Korean Institute of Interior Design Journal
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    • v.26 no.6
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    • pp.81-96
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    • 2017
  • This study aims at establishing a basic theory for the combination of architecture and movies by comparing the long-take technique of movies and the continuity of space, one of space composition principles, which is important in digital architecture based on Jacques Lacan's visual-art theory and finding common features and differences of them. The following is a summary of the conclusions. First, analyzing the long-take technique on the basis of Lacan's visual-art theory found that the subject of representation is scenes of movies and that staring shows features of narrative. Second, the long-take technique can be thought as a cinematic technique which tries to realize the real order beyond the symbolic order in real life through the process of continuous replication of replication of replication of a scene in one shot. Third, in contemporary architecture, which is compared to the long-take technique in the past, the inclined space of opened gaze is similar to the method which tries to realize architectural space of the reality which belongs to the symbolic order close to the real order which belong to significant in human unconsciousness. Fourth, the freeform continuous space of closed gaze, which can be compared to contemporary long take combined with computer graphic technology, has more difficulty in realizing the real order than the long-take technique in the past and inclined, continuous space as the feature which belongs to $signifi{\acute{e}}$ in human consciousness has been strengthened through the circulation which repeats and expands along an observer's movement. Fifth, when the contemporary long-take technique and freeform continuous space expand gaze which opens from the inside to the outside, it is considered that the space which is closer to the real order than the classic long-take technique and inclined continuous space can be created.