• The Journal of the Convergence on Culture Technology
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• v.5 no.3
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• pp.345-349
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• 2019

In Korea, the mountainous area occupies more than 70% of the whole country, cutting of earth slope that cuts a part of the ground surface is widely used when building infrastructures such as road, railroad, and industrial complex construction. In recent years, regulations on environmental damage have become more strict, and various methods have been developed and applied. Among them, Concrete-Panel Retaining Wall technique is actively applied. Concrete-Panel Retaining Wall is a method to resist horizontal earth pressure by forming a wall by attaching a precast retaining wall to the front of the support material and increasing the shear strength of the disk through reinforcement of the support material. Soil nailing, earth bolt, and ground anchor are used as support material. Among them, ground anchor is a more aggressive reinforcement type that introduces tensile load in advance to the steel wire, and a large concentrated load acts on the front panel. This concentrated load is a factor that creates cracks in the concrete panel and reduces the durability of the retaining wall itself. In this study, steel pipe sleeves and reinforcements were purchased at the anchorage of the panel to prevent cracks, and by applying bumpy shear keys to the end of the panel, the weakness of the individual behavior of the existing grout anchors was improved. The problem of degraded landscape by exposure to front concrete of retaining wall and protrusion of anchorage was solved by the production of natural stone patterns and the construction of sections that do not protrude the anchorage. In order to verify the effectiveness of anti-crack sleeves and reinforcements used in the null, indoor testing and three-dimensional numerical analysis have been performed, and the use of steel pipe sleeves and reinforcements has demonstrated the overall strength increase and crack suppression effect of panels.

• Proceedings of the Korean Institute of Building Construction Conference
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• 2012.05a
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• pp.337-338
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• 2012

As a rahmen structure, the connection among columns of Green frame is divided into three types such as sleeve, coupler (column pre and post installation), and bolt. The bolt type consists of six types according to steel frame shape and each type has different constructability, safety, structural performance, cost, and quality. Therefore, the analysis of comparison among the types is necessary. The objective of this study is to analyze the characteristics according to the shape of six bolt types to select the appropriate connection of Green frame. The results of this study can be used as a basic study for indentifying the characteristics of steel frame on site applying bolt type connection of Green frame. In addition, this study can be applicable to compare and analyze the performance and constructability of six bolt types in detail.

• Proceedings of the Korean Institute of Building Construction Conference
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• 2013.11a
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• pp.13-14
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• 2013

Mechanical splices has been applied in nuclear power plant according to ASME(American Society of Mechanical Engineering) and ACI(American Concrete Institute) Code requirements. In particular sleeve with ferrous filler metal splices and cold roll formed parallel threaded splices have been used in domestic nuclear power plants. The objective of this study is to find out the constructability of the mechanical splices which had been used in Korea nuclear job site and to review the technical trends in the near future.

• Journal of the Korean Society of Costume
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• v.24
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• pp.29-46
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• 1995

This study is on the classification of Chchori forms in Korea in the 16 th and 17 th Centuries by investigating the patterns an construction of excavated clothong. The characteristic features of the Korean Chchori in the period are as follow. 1. The Chchori shows forms. The diversity is accomplished by varing the components pattern is Chchori, such as collar, sleeve, and bodice. The divertification in Chchori pattern represents an attempt to advance the simple Chchori pattern in the 4 th and 5 th Centuries to the mordern one. 2. Mokpankit (목판깃) has a straight construction line but Kalkit (칼깃), Dangkogit(당코깃) have curved one. This suggests a transformation in the construction line of Chchori. 3. Among Chchori pattern, some Mokpankit and Kalkit Chchori show two kinds in size ; 40-50 cm and 60-70 . However, Dangkokit Chchori has only one size of 40-50cm. Considering the difference in body size between man and woman , Mokpankit Chchori and Kalkit Chchori are jueged to be for man and woman commonly, and Dangkokit Chchori is for woman only. After the period , woman wears only Dangkokit Chchori, whichis thought to come from the sex discrimination. Consequently on the viewpoint of rinsiple of Adaptation to Environments, forementioned facts prove the changes in Korean society in the 16 th and 17 th centuries on the historical basis of costume.

• Journal of the Korean Society of Clothing and Textiles
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• v.30 no.7 s.155
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• pp.1090-1102
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• 2006

The purpose of this study is to develop an improved work clothing which is much safe, comfortable, mobility and convenient than what workers currently wear at construction site. The investigation has been conducted to evaluate current work clothing to grasp any problems, discomforts and damages related to the work clothing. For the best and accurate data, hands-on investigation and a short-interview have been performed at the construction site as well as formulating a questionnaire. The questionnaires was answered by 425 workers and safety manager of 13 different construction site. The result of the questionnaire enables us to design a sample work clothing, many pa π s such as material, pattern and design have been improved. To improve the amenity of heat, the surface of a material was used by $Aerocool^{\circledR}$ fiber which contains inside dryness function. In order to absorb perspiration on the back the armpits, mesh martial that is mixture of $Coolever^{TM}$ fiber and $Mirawave^{TM}$ fiber was used to absorb perspiration in an effective manner. And a sleeve's bottom part and trousers' bottom part's cover method have been changed. Sample work clothing was shorten at the side of upper garment up to 2cm and lengthen the length of the back by 3cm. To reduce the tightness around armpit more room was given in that area. Darts were added to the elbow, the hip, and the knees that also followed an ergonomic pattern. A sample work clothing evaluated an objective assessment and subjective assessment to compare to a current work clothing. Assessment group consists of seven subject groups and nine expert groups to evaluate external appearance and adaptability to the movements. In all aspects of the test, the result of evaluation process of the sample work clothing received more positive assessment than the current work clothing.

• Journal of Fashion Business
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• v.7 no.2
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• pp.15-25
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• 2003

In this study on the Persiandress called Persiandress or Mediandress, its names, styles, and structures that are still subject to a great deal of controversy were investigated. In addition, the reason why the Persiandress was wrongly named as Kandys by the early researchers was also examined. The documents of reliefs on the Apadanastairs in Persepolis and the European papers concerning this themes were subject of this analysis. Such investigation and examination results are summarized as follows. There is still no agreed name describing the Persiandress, which is called "Persiandress" or "Mediandress". Further, there is no definite conclusion on whether the Persiandress was made in one piece or two pieces. The first person who insisted that the Persiandress was made in one piece is a German archaeologist, Ernst Herzfeld. He said that the Persiandress was made in one long tetragonal piece, had a hole in the middle for head, and had lots of pleats when it was tied with a belt. On the contrary, researchers who insisted that the Persiandress was made in two pieces stressed the sleeve pleats in four folds, which is one of the representative characteristics, and said that such four-fold sleeve pleats would not be formed when the Persiandress was made in one piece and worn by a belt. Consequently, they have conducted studies according to their insistence and the resultant pattern. Kandys, the Median's typical dress, is a coat worn over the jacket and trousers. Although it had sleeves, the Median did not use them. Indeed, Kandys was used as a kind of cloak. However, the wrong term, Kandys is still used in Korea. So, it is necessary to correct use of such wrong term.

• Fashion & Textile Research Journal
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• v.20 no.2
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• pp.128-142
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• 2018

This study explores newborn clothing with regard to clothing type, construction, textiles, design, size, and label placement. Related consumer complaints are also analyzed. Analysis of 50 newborn clothing items revealed six types of newborn clothing: baenaet jeogori, baenaet gown, bodysuit, one-piece, shirt and pants set, and pants. The baenaet jeogori was the most common type, and the most commonly used fasteners were ties and snaps. The following characteristics were commonly observed: front opening, long raglan sleeves, mitten cuffs, cotton fabric, white/ivory color, animal print, contrast hem, $appliqu{\acute{e}}$, and size 60. In-depth interviews of 12 mothers with children under 24 months revealed that the baenaet jeogori was the most unsatisfactory type; the shirt and pants set and bodysuit were preferred. Interviewees were dissatisfied with types of openings, expressing a preference for snaps and complaining about ties, too many snaps, metal snaps, and shoulder openings. Overly wide or narrow sleeves resulted in improper fit, and long sleeves made it difficult to dress the baby. Interviewees required diverse sleeve length options. They were dissatisfied with heavy fabric for hot and warm seasons, and with labels attached inside clothing or outside near the neckline. Mothers with particularly small or big babies complained about limited sizes. To improve current newborn clothing, additional items such as shirt and pants sets or individual pants, front opening clothing with few snaps, proper sleeve fit with diverse length options, lightweight fabric for hot and warm seasons, label placement that avoids skin irritation, and size segmentation are recommended.

• Korean Journal of Human Ecology
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• v.5 no.1
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• pp.55-64
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• 1996

The aim of this study is to get the basic data to design the clothing for the female teachers. In this study, we survey the practice of the wear in the spring and the fall of the 422 female teachers in primary, middle and high school, and their wearing sensation according to clothing construction factors. The results are as follows: first, the female teachers frequently wear blouse and skirt, jacket and blouse, jacket and T-shirts, cardigan and T-shirts in upper wear. Second, most female teachers had troubles in their clothing at work. They had serious troubles in writing on the blackboard, due to the improper form and. length of the sleeves, and the inconvenience of their skirt is due to the improper length, while they go up the strains. Third, the comfortable factors of the female teachers' blouse are as follows; round neck line, soutien and peter pan collar, sleeve attatched bodice with a little loose armhole, $10{\sim}20cm$ under from waist in length, front slit, and fastening bottons. In case of skirt, they perceive A-lined, flared, pleats skirt more convieniently than tight one, which are 10cm under from kneeline in length, side fastening system, back slit.

• Journal of the Korean Geotechnical Society
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• v.26 no.8
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• pp.15-25
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• 2010

The thin-layered sand seam in clay affects the soil behavior. Although the standard cone penetrometer (A: $10cm^2$) have been used to evaluate the thin-layered soil, the smaller diameter cone penetrometer have been commonly recommended because of the high resolution. The purpose of this study is the development and application of the Cone Resistivity Penetrometer (CRP), which detects qc, fs, and electrical resistivity at cone tip for the evaluation of thin layered soils. Two sizes of the CRP are developed for the laboratory and field test. The projected areas of CRP for the laboratory and field tests are $0.78cm^2$ (d: 1.0 cm) and $1.76cm^2$ (d: 1.5 cm), repectively. The length of friction sleeve is designed in consideration of ratio of the projected area to the friction sleeve area. The application tests are carried out by using the artificially prepared thin-layered soils in the laboratory. In addition, the field tests are conducted at the depth of 6 to 15 m in Kwangyang. In the laboratory test, the measured electrical resistivity and cone tip resistance detect the soil layers. Moreover, in the field test the CRP investigates the three thin-layered soils. This study suggests that the CRP may be a useful tool for detecting thin-layered in soft soils.

• Transactions of the Korean Society of Mechanical Engineers
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• v.10 no.3
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• pp.408-418
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• 1986

본 연구에서는 표면은 단단하고 내면은 강인한 조직을 얻기위하여 대형 성형 탄 로울에 대하여 노에서의 급속가열 및 대기 상태에서의 자연냉각의 열처리가 수행 되어진다. 급속가열 및 냉각시 성형탄 로울 내부의 온도 분포 예측을 위하여 대류 및 복사 열전달 경계조건을 가지는 1차원 비정상 열전도 방정식이 유한 차분법을 사 용하여 해석되어졌다. 여기서 급속가열시 연소가스로 부터 기체복사에 의하여 성 형탄 로울의 바깥표면을 통하여 흡수되는 열량은