http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
박완신,윤현도,장영일,김선웅 한국구조물진단유지관리학회 2011 한국구조물진단학회 학술발표회논문집 Vol.2011 No.9
In this study, an experimental research is performance to investigate the strain characteristics of steel coupled beam connections. The test variables of this study are the embedment length.
박완신(Park Wan-Shin),윤현도(Yun Hyun-Do),전에스더(Cheon Esther),김선우(Kim Sun-Woo),지상규(Ji Sang-Gue),김윤수(Kim Yun-Su) 대한건축학회 2007 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.27 No.1
In this paper, workability, compressive strength of hybrid fiber reinforced cement composites(HFRCCs) have been investigated by means of Korean Standard Testing Methods (KSTM). Hybrid fiber reinforced cement composites(HFRCCs) contains the polyethylene terephthalate(PET), polyethylene (PE), and polyvinyl alcohol (PVA) fiber. As the result of the compressive strength tests, all the specimens show multiple cracking in the area subjected to the greatest compressive stress. In particular, test results showed that the hybrid fibers, PE and PVA specimen, could result in superior composite performance compared to their individual fiber reinforced cement composites, PET specimen.
박완신(Park Wan-Shin),윤현도(Yun Hyun-Do),전에스더(Jeon Esther),김선우(Kim Sun-Woo),김윤수(Kim Yun-Su),지상규(Ji Sang-Gyu) 대한건축학회 2008 大韓建築學會論文集 : 構造系 Vol.24 No.7
Fibers are increasingly being used for the reinforcement of cementitious matrix to enhance the toughness and energy absorption capacity and to reduce the cracking sensitivity of the matrix. In this paper, composite properties of cement-based composites (CBCs) reinforced with polythylene terephthalate have been investigated by conforming to Korean Standard (KS). CBCs contains the polyethylene terephthalate(PET), polyethylene (PE), and polyvinyl alcohol (PVA) fiber. As the result of the compressive strength tests, it was found that the cement composite with hybrid fibers, PE and PVA, showed enhanced compressive performance compared with that with simple PET fibers. In addition, it is found that the cement composite with fiber having the aspect ratio of 300 can control well the opening of the crack widths because of bridging action.
박완신 ( Park¸ Wan-shin ),한병찬 ( Han¸ Byung-chan ),성수용 ( Sung¸ Soo-young ),윤현도 ( Yun¸ Hyun-do ),최창식 ( Choi¸ Chang-sik ),정수영 ( Chung¸ Soo-young ) 한국구조물진단유지관리공학회 2000 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.4 No.2
This paper explores the structural use of a recycled aggregates and presents the effects of using this material on shear strength and deformation of beams. Twelve beams were tested to determine their diagonal cracking and ultimate shear capacities. The experimental variables are shear-span/ depth ratio a/d=l.5, 2.0, 3.0, and 4.0 ; aggregate types ; and shear reinforcement ratio p<sub>s</sub> = 0, 0.089, 0.244, 0.507, and 0.823 percent. The test results indicate that the ultimate shear strength of reinforced recycled aggregate concrete beams was higher than ACI Building Code predictions of Eq. 11-3 and Eq. 11-5 for beams with tensile steel ratio of 1.11 percent, and a/d ratios smaller than 2.0. But, this predictions are unconservative for beams with a/d ratio greater than 3.0.
박완신 ( Park Wan-shin ),이훈희 ( Lee Hun-hee ),송한범 ( Song Han Beom ),한병찬 ( Han Byung-chan ),이원호 ( Lee Yaon-ho ),윤현도 ( Yun Hyun-do ) 한국구조물진단유지관리공학회 2004 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.8 No.1
Since ductile coupled shear wall system is the primary seismic load resisting systems of many structures, a coupling beams in these system must exhibit excellent ductility and energy absorption capacity. In this paper, the seismic response of coupled shear wall system is discussed. It is demonstrated through a review of experimental investigations of coupling beam behavior and analytic studies of coupled wall behavior that often the coupling beam ductility demand exceeds the expected available ductility. As a result, it is possible that coupled shear wall system will not behave as desired in the course of a significant seismic event.
박완신 ( Park Wan-shin ),한민기 ( Han Mm-ki ),김선우 ( Kim Bun-woo ),황선경 ( Hwang Sun-kyoung ),한병찬 ( Han Byung-chan ),윤현도 ( Yun Hyun-do ) 한국구조물진단유지관리공학회 2004 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.8 No.1
Ductile coupled shear wall system is the primary seismic load resisting systems of many structures. The coupling beams of these system must exhibit excellent ductility and energy absorption ability. In this paper, the seismic response of coupled shear wall system is discussed. It includes that the evaluation of the degree of coupling between the shear walls and the coupling beams. It is demonstrated through a review of experimental investigations of coupling beam behavior and analytic studies of coupled wall behavior that often the coupling beam ductility demand exceeds the expected available ductility.
유효강성을 고려한 철골 커플링 보의 커플링정도에 관한 연구
박완신 ( Park Wan-shin ),윤현도 ( Yun Hyun-do ),김선우 ( Kim Sun-woo ),한민기 ( Han Min-k Han ),오승원 ( Oh Seung-won ),이송연 ( Lee Song-yeon ) 한국구조물진단유지관리공학회 2005 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.9 No.1
Ductile coupled shear wall system is the primary seismic load resisting systems of many structures. The coupling beams of these system must exhibit excellent ductility and energy absorption ability. In this paper, the seismic response of coupled shear wall system is discussed. It includes that the evaluation of the degree of coupling between the shear walls and the coupling beams. It is demonstrated through a review of experimental investigations of coupling beam behavior and analytic studies of coupled wall behavior that often the coupling beam ductility demand exceeds the expected available ductility.
유효강성을 고려한 철근콘크리트 커플링 보의 커플링정도에 관한 연구
박완신 ( Park Wan-shin ),윤현도 ( Yun Hyun-do ),김선우 ( Kim Sun-woo ),한민기 ( Han Min-k Han ),이원석 ( Lee Won-suk ),신호재 ( Shin Ho-jae ) 한국구조물진단유지관리공학회 2005 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.9 No.1
Since a ductile coupled shear wall system is the primary seismic load resisting systems of many structures, a coupling beams of these system must exhibit excellent ductility and energy absorption capacity. In this paper, the seismic response of coupled shear wall system is discussed. It includes that the evaluation of the degree of coupling between the shear walls and the coupling beams. It is demonstrated through a review of experimental investigations of coupling beam behavior that often the coupling beam ductility demand exceeds the expected available ductility. As a result, it is possible that coupled shear wall system will not behave as desired in the course of a significant seismic event. Limits to the allowable degree of coupling are proposed as a remedy to this apparent deficiency..