• 제목/요약/키워드: wearing assessment

검색결과 102건 처리시간 0.025초

풍화암 지반에서의 쉴드 TBM 커터도구 선정 및 마모량 평가 - 서울지하철 7호선연장 703공구 중심으로 (The Selection and Abrasion Assessment of Cutter on Shield Tunnelling in Weathered Soil - Seoul Subway Line 7 Extension, Construction Lot 703)

  • 김용일;이상한;정두석;임종윤;박광준;박준수
    • 한국암반공학회:학술대회논문집
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    • 한국암반공학회 2006년도 창립 25주년 기념 특별심포지엄
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    • pp.59-79
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    • 2006
  • 쉴드터널 공사에 있어서 커터도구의 절삭능력은 터널시공의 성패를 좌우하는 주요 변수이기 때문에 지반에 적합한 커터도구의 형상, 규격 및 재질의 선정은 무엇보다 중요하다. 1818년 쉴드공법 발명 이래 암반에 대한 커터도구는 많은 실험과 연구를 통해 발전해 왔으나, 풍화토 및 풍화암 지반에서의 커터도구에 대한 연구는 미진한 상황이다. 본 논고에서는 쉴드공법으로 설계된 서울지하철 7호선 연장 703공구 구간중 최대연장 920m의 풍화대 지반에 대하여 굴착중 커터도구의 무교체 시공과 굴착효율 증진을 위한 커터의 선정을 위하여 커터의 형상 및 재질에 대한 비교 분석을 하였으며, 그 선정사유에 대하여 소개하였다. 또한 국내외로 연구가 미진하였던 풍화토 및 풍화암 지반에서의 커터 마모량 평가방법을 제시하여 설계의 타당성을 검증하였으며, 특히 해외의 시공사례에 대한 분석을 통하여 커터 종류에 따른 지반별 마모계수를 제시하였다.

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조선 허리띠와 패물(佩物)의 원류에 대한 연구 (Study on Origin of Belt and Trinkets of the Joseon Dynasty)

  • 이영재
    • 한국생활과학회지
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    • 제23권5호
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    • pp.905-917
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    • 2014
  • This study clarifies that Scytian waistband had flowed into the Jeoseon Dynasty, and it was settled down to saezodae(which is male belt) and norigae(which is female accessory) and pocket in the Joseon Dynasty. Historical records and relic materials are examined and analyzed by quality assessment. 5 experts performs sensory evaluation for 17 pictures of Scytian waistband, and 42 of norigae, 24 of pocket, 6 of small knife, 11 of belt in the Joseon Dynasty, and finally similarity in form and purpose of use between both of them are come out. Research results are summarized as follows: First, Scytian waistband made with leather and metal was carried in the girdle. Men in the Joseon Dynasty carried various forms of belts as position and jobs such as saezodae, kwangdahae, dongdahae, doa. Trinkets of hopae, jangdo, pocket, etc. are put on belt or separately attached. Belt was not put on the women dress, but more various trinkets were used than those on men dress. Norigae, pocket, and jangdo were used practically and decoratively. Second, The types of Scytian waistband were excavated from the tumulus in the age of three states in Korea, and their form and function are same. Belt of the Joseon Dynasty carried below their chest and up navel, of which the wearing position went upper than before. As women jeogori was shorter, their belt is not necessary and various trinkets were put in their skirt. Finally, this study conclude that Korean traditional belt and trinkets come down from Scythian waistband.

해충제어프로그램에서 사용되는 PVC장갑의 평가방법 개발 (A Development on Assessment Method of PVC Gloves Used in Pest Control Program)

  • 이수길;이내우
    • 한국안전학회지
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    • 제21권3호
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    • pp.53-58
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    • 2006
  • Following a Mediterranean fruit fly outbreak in South Australia, a bait spray program involving the pesticides like malathion(MAL) was carried out. During the application, dermal exposure was considered for the pest controllers wearing PVC gloves. However there is a lack of information about PVC glove performance like break through times and permeation rates with MAL, therefore, a new analytical method for HPLC-UV was developed. A standard permeation test cell was used in this study. From the results of this study, more than 96% solubility of MAL was provided at 30% isopropyl alcohol in distilled water as a collecting media. However, there was significant decomposition of MAL when the solutions were kept at over $50^{\circ}C$ for 2-3 hours. As a mobile phase, 50% acetonitrile water solution (pH 6.0) gave the greater sensitivity compared with other compositions of acetonitrile solution. The arm section of the gloves had shorter breakthrough times and higher permeation rates compared with the palm. There was no malathion solution breakthrough up to 24 hours using the 1% MAL working strength solution. When the temperature was changed from $22{\pm}1^{\circ}C\;to\;37{\pm}1^{\circ}C$, the breakthrough times were decreased by 14.5% on palm and 37.5% on arm, and permeation rates were increased significantly. The findings of this study indicate that further investigations on used gloves, periods of use and varying working conditions like tasks and seasons should be carried out to assess potential worst case scenarios.

투습방수의류의 착용쾌적성 평가 (Assessment of Wear Comfort of Water-vapor-permeable (WVP) garments)

  • 강인형;박효숙;이한섭
    • 한국의류학회지
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    • 제36권9호
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    • pp.928-939
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    • 2012
  • This study evaluates wear comforts of water-vapor-permeable (WVP) garments through a measurement of various parameters such as skin and rectal temperatures, microclimate between skin and clothing, sweat rate, and subjective sensations (thermal, wet and comfort sensations) to correlate the physiological responses of the human body with its comfort feeling. Wear comfort during a specific exercise on a treadmill in a climatic chamber (temperature T = $20{\pm}0.5^{\circ}C$ and relative humidity H = $50{\pm}10%$) were studied using eight men wearing seven sportswear outfits (a long sleeve shirts and a long pants) made with seven different WVP fabrics. A comfort sensation was found to be highly correlated with skin T (p<.001), microclimate (T and H) between skin and clothing (p<.001) and sweat rate (p<.05). A regression model correlating comfort sensations and physiological responses obtained from wearer trials could be established: Y = 14.167 - 0.362 ${\times}$ X1 + 0.424 ${\times}$ X2 - 0.238 ${\times}$ X3 - 0.561 ${\times}$ X4 + 0.253 ${\times}$ X5 + 0.214 ${\times}$ X6 - 0.393 ${\times}$ X7 + 0.023 ${\times}$ X8 - 0.043 ${\times}$ X9. (Y = comfort sensation, X1 = forehead skin T, X2 = forearm skin T, X3 = hand skin T, X4 = thigh skin T, X5 = T of chest microclimate, X6 = T of thigh microclimate, X7 = chest sweat rate, X8 = H of back microclimate, X9 = H of thigh microclimate. The regression model obtained in this work can be used by manufacturers to objectively estimate the comfort sensation of sportswear before it is introduced to the consumer market. This study provides salient information to sportswear manufacturers and sportswear consumers.

캐주얼 셔츠소재에 대한 주관적 감각과 구매 선호도 평가 (Assessment of Subjective Sensation and Purchasing Preferences for Casual Shirt Fabrics)

  • 최종명;권수애
    • 한국생활과학회지
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    • 제15권3호
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    • pp.397-404
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    • 2006
  • The purpose of this study is to analyze the subjective sensations and preference for spring/fall casual cotton shirt fabrics, and to assist in developing shirt fabrics that offer maximum comfort in wearing sensation. The subjects of this study were male and female college students who assessed the tactile sensation of seven types of spring/fall shirt fabrics available on the market: plain weave and rib weave made of cotton and that of cotton mixed fabrics. The subjects were university students between the ages of 20 to 23, who were residing in the city of Cheongju, Korea. The questionnaires related to the fabrics hand were evaluated using a nine point bi-polar scale of 9 descriptive terms. Mean, t-test, F-test and $X^2$ were used for data analysis. The fabric hand evaluation on the seven types of shirts showed a significant difference in all of the 9 descriptive terms. There were partially significant differences in the subjective sensations according to fabric characteristics regarding shirt fabrics. As regards the difference in fabric hand according to gender, female students responded with more receptiveness and sensitivity than male students in the category of woven fabric evaluation. In particular, female students responded with more sensitivity to the sensation of dense and wrinkle sensations. There were significant differences in the purchase preference according to gender regarding casual shirt fabrics. Plain weave fabrics made of cotton was most preferred among male students, whereas rib weave fabrics made of cotton/polyester was most preferred among female students.

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뇌졸중 환자의 퇴원 후 일상생활에 대한 고찰 - 일상생활 습관 및 물리치료 중심으로 - (The evaluation of active daily living after patients had stroke - focus on active daily living habit & physical therapy -)

  • 김혜선;이창현
    • 대한물리치료과학회지
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    • 제10권1호
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    • pp.30-37
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    • 2003
  • Purpose : The purpose of this study is giving the healthy promotion and it's related data base for out-patients who had stroke via evaluating the general characters of their active daily living and physical therapy Method : This study researched 81 patients who had received physical therapy service in 6 general hospitals located Pusan city responded to the self-assessment questionnaires from July 2002 to August 2002. Conclusion : In this study, patients were composed of 61.7% of male, 65.4% of 50's-60's in the age, 56.8% of cerebral infarction, and 60.5% of right hemiplegia. 74.1% of patients received physical therapy after 6 months from an attack, only 62.9% used orthosis & gait aids, and 59.2% received medical care 2 or 3 times per week. 40.7% of patients had over 9 hours sleeping time and 22% had reduced $1{\sim}2hours$ before hospitalization. 90% did not have drinking and smoking. 91.4% had 3 times eating per day, and 67.7% did not have good nutrition. The reasons of that were their eating habit, 542% of eating-giver, 3.7% of economic problem. 46.9% of patients used healthy food. In active daily living, patients can't do drinking by cup, voiding & defication by themselves, however patients can't do wearing/take off, etiquette for dressing, bathing, stepping by themselves. 40.7% of patients don't wear orthosis, 55.6% of patients don't use W/C. Part of physical therapy that patients concerned importantly exercise for prevention of joint distortion, management of affected side, and 80% of patients was also concerned other's part, significantly. 71.8% of patients & care-givers want to receive physical therapy at home, and 74% of patients do physical therapy by themselves at home along teached hospitalization.

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몬테카를로 방법을 이용한 중재방사선시술자에 대한 선량평가 (Assessment of Occupational Dose to the Staff of Interventional Radiology Using Monte Carlo Simulations)

  • 임영기
    • Journal of Radiation Protection and Research
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    • 제39권4호
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    • pp.213-217
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    • 2014
  • 중재방사선을 이용한 의료적 시술이나 진단은 꾸준히 증가하고 있다. 특히 환자에 근접하여 이루어지는 중재방사선시술의 특성상 시술자에 대한 직무피폭의 관리 및 감시가 중요하다. 개인선량계를 통해 측정되는 방사선 방호 실용량인 심부선량은 중재방사선시술의 경우 균질한 방사선장에 의해 전신에 고르게 노출되는 경우가 아니므로 유효선량을 항상 대표할 수는 없다. 따라서 본 연구에서는 C-arm을 이용한 대표적인 중재방사선시술에 대해 수학적 모의피폭체와 몬테카를로 방법을 이용한 계산과 개인선량계를 이용한 실측을 통해 개인선량당량과 장기별 선량을 평가하고자 하였다. 주요 장기별 선량평가 결과는 개인선량계로 측정된 선량 값보다 낮았으나, 갑상선과 같은 장기는 전신 연조직 선량보다 상당히 높은 것으로 평가되었다. 중재방사선시술자에 대한 적절한 방사선방호를 위해 납치마의 착용과 같은 전신 방호와 더불어 갑상선 방호와 같은 추가적인 방호조치가 고려되어야 할 것이다.

3차원 인체 측정을 이용한 40대 여성의 상반신 체형을 고려한 브래지어 패턴 개발 (Brassiere Pattern Development Based on 3D Measurements of Upper Body Types for Women in Their 40's)

  • 조신현;김미숙
    • 복식문화연구
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    • 제16권3호
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    • pp.502-517
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    • 2008
  • The purpose of the study lies in the measurements of breast shapes and upper body types for the women in their 40's, with the use of 3D measurement system, and in the presentation of brassiere patterns fit for their body types. As for the study method, 3D human body types were analyzed with RapidForm 2006, and the upper-body types and breast shapes were statistically classified through technical statistics analysis, cluster analysis, t-test, variance analysis, and cross analysis. The wearing tests went through the comparison of the brassieres of three makers in the market and the experiment brassieres(first and second) and then the evaluations were made by the subjects, the outer appearance assessment by experts, and 3D measurements. The findings of the study indicated that the evaluation of experiment brassieres was excellent in every item, and he significant difference was found out particularly in the items of pressure, rear center, front center, breast underneath, adequate level by wing, and adequate level by armhole. According to the results of 3D evaluation, experiment brassieres had a highest point in fitness with no physical pressure at the wing part and no overall deviation at the cup art. The pattern comparison showed the differences in the parts of total cup angle, cup circumference length, lower cup height, wing length, and wing angle.

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3차원 인체 계측 방법에 의한 상반신 체형을 고려한 브래지어 패턴 설계 - 30대를 대상으로 - (Brassiere Pattern Development Based on 3D Measurements of Upper Body - Focused on Women in Their 30's -)

  • 조신현;김미숙
    • 복식문화연구
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    • 제16권3호
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    • pp.488-501
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    • 2008
  • The purpose of this study presents bra pattern using the 3D measurements of the upper body subject to women in their 30's. Brassieres available in the market are mostly designed for straight body shape and many women seem to have experienced bearing discomfort in a great extent as they grow older. Brassieres should be designed to cover diverse body types and the accurate measurement of body type and breast shape is needed to accomplish that. As for the study method, 3D human body types were analyzed with RapidForm 2006, and the upper-body types and breast shapes were statistically classified through technical statistics analysis, cluster analysis, t-test, variance analysis, and cross analysis. The wearing tests went through the comparison of the brassieres of three makers in the market and the experiment brassieres(first and second) and then the evaluations were made by the subjects, the outer appearance assessment by experts, and 3D measurements. The results of this study showed that the evaluation of experiment brassieres was excellent in every item, and the significant difference was found out particularly in the items of pressure, rear center, front center, breast underneath, adequate level by wing, and adequate level by armhole. According to the results of 3D evaluation, experiment brassieres had a highest point in fitness with no physical pressure at the wing part and no overall deviation at the cup part.

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한지패션소재의 조형적 활용 (Formative Application Using Korean Traditional Paper)

  • 김영은
    • 한국의류산업학회지
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    • 제7권5호
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    • pp.472-480
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    • 2005
  • It was proved the practical use of the unique traditional Korean paper through the previous researches. The purpose of this study was to suggest the adequate application which is making various applied patterns in the fashion products so as to contribute to textile, fashion, and Korean paper industry. Six kinds of vests with the same fashion material using the Korean traditional paper were manufactured in order to investigate the images of materials in case of wearing them on the actual human bodies. As the results of image assessment for the materials and the factor analysis, 'classical', 'natural', 'Korean traditional', 'rural' and 'luxury' images were presented as the representative image of the Korean traditional paper material. Making repeated patterns of stripes and zigzag by sewing-machine stitches showed the natural effect on Korean traditional paper. Well-matched harmony was shown between holes made by the needle in sewing and slits torn by the tension to the needle and the thread. Especially, transparency by irregular holes formed by artificial frictional washing could shown special formative arts harmoniously with semi-transparency of Korea traditional paper and touch of sewing yarn. After the unripe persimmon dyeing, holes made by the needle became more hard and tight. The changes were no longer shown by the artificial frictional washing and then fixed. As the result of applying the Korean traditional paper fashion materials with various patterns for the basic formed garments, it was shown that the common and simple garments were changed the garments with special formation which could be found on the art garments due to the creative touch and formative arts using the Korea traditional paper fashion material. A variety of formative application by means of the developed samples was suggested to enlarge the practicality. As the result of this study, it was discovered that the possibility and application of fashion goods through the developed samples made of Korean traditional paper.