• Title/Summary/Keyword: thin

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Repair and Strengthening of R/C Structure Using Glass Fiber Reinforced Plastic Thin Panels (유리섬유보강 박판패널에 의한 철근콘크리트 구조물의 보수.보강공법)

  • 천의균;진형장;박석암;김행준
    • Proceedings of the Korea Concrete Institute Conference
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    • 2000.04a
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    • pp.866-873
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    • 2000

  • Reinforced concrete structure can be strengthened by glass fiber reinforced plastic thin panels. The GFRP-Thin Panels are manufactured by pressing form and their application technique are similar to steel plates. The use of FGRP-Thin Panels presents several advantages. The advantages of this structural system are the case of application, the elimination of joint and corrosion at the epoxy-panel interface. This paper introduces the method of manufacturing about GFRP-Thin Panels, mechanical properties and the application of reinforced concrete structures.

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C-axis Orientation of ZnO Thin Films Prepared by DC Facing Targets Sputtering Method (직류 대향타겟스퍼터링법으로 제작된 ZnO 박막의 c-축 배향성)

  • 금민종;손인환;공석현;성하윤;김경환
    • Journal of the Korean institute of surface engineering
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    • v.33 no.1
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    • pp.34-37
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    • 2000

  • We prepared ZnO thin film with Facing Targets Sputtering system that can deposit thin film in plasma-free situation and change the deposition condition in wide range. And prepared thin film's c-axis orientation and grain size were analyzed by XRD (x-ray diffractometer). In the results, we suggest that FTS system is very suitable to preparing high quality ZnO thin film with good c-axis orientation.

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C-axis Orientation of ZnO Thin Films Prepared by FTS Method (대향타겟식스퍼터링으로 제작된 ZnO 박막의 C-축 배향성)

  • 금민종;손인환;최형욱;최동진;김경환
    • Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference
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    • 1999.05a
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    • pp.685-687
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    • 1999

  • We prepared ZnO thin film with Facing Targets Sputtering system that can deposit thin film in plasma-free situation and change the deposition condition in wide range. And prepared thin films c-axis orientation and grain size were analyzed by XRD(x-ray dffractometer). In the results, we suggest that FTS system is very suitable to preparing high quality ZnO thin film with good c-axis orientation.

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Explicit incremental matrices for the postbuckling analysis of thin plates with small initial curvature

  • Jayachandran, S. Arul;Gopalakrishnan, S.;Narayanan, R.
    • Structural Engineering and Mechanics
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    • v.12 no.3
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    • pp.283-295
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    • 2001

  • The postbuckling behaviour of thin plates is an important phenomenon in the design of thin plated structures. In reality plates possess small imperfections and the behaviour of such imperfect plates is of great interest. To numerically study the postbuckling behaviour of imperfect plates explicit incremental or secant matrices have been presented in this paper. These matrices can be used in combination with any thin plate element. The secant matrices are shown to be very accurate in tracing the postbuckling behaviour of thin plates.

  • https://doi.org/10.12989/sem.2001.12.3.283 인용