• Title/Summary/Keyword: de-construction

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A Study on the Construction of Modern Architectural Form and the Characteristics of Deconstructional Fashion (현대 건축의 형태구성과 해체주의 패션의 특성에 관한 연구)

  • 김혜정;임영자
    • Journal of the Korean Society of Costume
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    • v.40
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    • pp.137-147
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    • 1998
  • Fahion as the form construction of decon-structivistic architecture was analyzed by dividing it into the intrinsic aspect and the formal aspect through an introduction of three characteristic architectural principles into fashion. Intrinsic deconstructivistic fashion as the construction of architectural form has the mixurte of genders both in a form of transvestic and in a form of genderless look as dualism, and can be characterized by pluralistic nationlism with the emergence of the Third World alienated from the international society, and so forth. Difference and the prefixes of dis-and de- are schizophrenic mystic illusionism, chance effect and the differance of space and time and is supporting Jacques Derrida's chiasmus that is the perspective of collage in painting and the multiple observation of collage in painting and the multiple observation point as the play of borrowing the surrealistic technique. The formal construction of deconstructivistic fashion the construction of architectural form has intertextuality material, hybridization of items and the blending of modes and another sphere. Trace as icon deconstrucion attains historical analysis. Dis and de in fashion are showing the retrogre-ssion of gravity through decomposition, decon-tinuity and disjunction emerge nonstructural silho-uette, juxtaposition, inversion and replace- ment of underwear and outer garments. Their decentring expression emerged as construction through mixture and repetition as well as overlapping of planes or spaces. And their disjuctive representation appeared in the form of mutual juxtaposition and substitution with the double-side of formal construction in functional terms.

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A Study on the Characteristics of Gerrit Rietveld's Furniture Design (Gerrit Rietveld 가구디자인의 조형특성연구)

  • Suh, Jeong-Yeon
    • Journal of the Korea Furniture Society
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    • v.20 no.4
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    • pp.374-387
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    • 2009
  • Gerrit Rietveld who is Dutch architect and furniture designer had explored the plastic abstractness based on the universality of De Stijl principle. He had tried to expand the boundary of furniture design bound to traditional form and decorative aesthetics. Beginning of 20th century, he opened the new aesthetic realm of pure and abstract value for furniture design for the first time. Through this research, the results can be summarized as follows. The characteristics of his deign are abstractness, spatial consideration and tectonic construction. The abstractness is attained by simplifying constructional material into geometrical forms such as straight line, rectangle and square. And he adopted unconventional way of construction in order to increase this abstractness. The space included in his furniture can be expressed in the new technology of joint, the visual transparency using linear material, and the destruction of corners. All these aspects harmoniously helped the feeling of architectural space of flow. Through the exposed frame of furniture, Rietveld emphasized on the tectonic construction by methodological treatment such as piling-up or overlapping material. The characteristics of Gerrit Rietveld's design are abstract, spatial and tectonic. These aesthetical tendencies could be understood as a junction between De Stijl's principles and modern architecture's spatial preferences-flow and extension of space-.

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Towards a model of dry shear keyed joints: modelling of panel tests

  • Turmo, J.;Ramos, G.;Aparicio, A.C.
    • Computers and Concrete
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    • v.10 no.5
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    • pp.469-487
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    • 2012
  • This paper presents a study on the behaviour of the joints of segmental concrete bridges with external prestressing, focusing on the structural response of dry non-epoxied joints with shear keys. A Finite Element joint model to study such structures is validated modelling eight concrete panel tests. The most important feature of this model is that it has been validated with experimental tests on concrete panels which were specifically designed to fail in shear. Interface elements are used to reproduce the non linear behaviour of the joint and parameters deduced from the tests are used to define the constitutive law of these elements. This joint model is of great importance because it will permit the development of a structural model that faithfully reproduces the behaviour of these structures under combined flexure and shear and the study of its global behaviour after the opening of the joints. Interesting conclusions about the behaviour of the dry joints, about the contribution of the different mechanisms transferring shear (friction and cohesion) and about the shear stress distribution in the joint have been reached.

A Study on the Skin Construction of 『Prada Aoyama Tokyo』 through the Functional Relation of Structure-Skin (『Prada Aoyama Tokyo』의 외피구축 특성과 구조-외피의 관계)

  • Shin, Ye-Kyeong
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.14 no.10
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    • pp.5206-5214
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    • 2013
  • Herzog & de Meuron have been tried to diverse skin construction process and effects on their lots of projects. The purpose of this study is an understanding of the characteristics on a skin construction of "Prada Aoyama Tokyo". The results of this study are as follows. First, Skin is an element for impacting inside spatial sense by accommodating relationship between structure and skim. And skin is not only something for expression but also spatial matter. Especially their principal of building form is an effects by relationship between structure and skin.

Study on Ammonia Uniformity and DeNOx Analysis in the Urea-SCR System for Construction Machinery (건설기계용 Urea-SCR 시스템의 촉매전단에서 암모니아 균질도 해석 및 DeNOx 성능에 관한 연구)

  • Kim, Donghwan;Park, Junkyu;Kang, Joung-ho;Moon, Seonjoon;Park, Sungwook
    • Journal of ILASS-Korea
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    • v.24 no.2
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    • pp.51-57
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    • 2019
  • In this study, the spray atomization characteristics of urea injector used in SCR system for construction machinery was analyzed, and the uniformity index at the front of mixer and NOx conversion efficiency were evaluated through numerical analysis. Spray visualization and droplet size/velocity measurement were performed and the measured results were used to verify the spray analysis model to calculate the uniformity index in the exhaust gas after-treatment system. For the flow analysis, STAR-CCM, a three-dimensional CFD, was used and the uniformity index of the SCR system at the front of the mixer was calculated using the droplet dissociation model and the wall collision model. Finally, the DeNOx performance for the average condition of the NRTC driving mode was calculated to understand the NOx conversion efficiency reflecting the exhaust gas temperature. The simulation results show that the uniformity index at the front of mixer was calculated as 0.862 and DeNOx efficiency was 75.9%.

De re context and some semantic traits of 'rago' (대물(de re) 문맥과 '-라고'의 몇 가지 의미론적 특성)

  • Min, Chanhong
    • Korean Journal of Logic
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    • v.16 no.1
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    • pp.61-85
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    • 2013
  • The author, after introducing the concept of de re belief and discussing de re/de dicto ambiguity in belief context and modal context, concludes that modal sentences of Korean language does not show any distinctive traits against English. He, after discussing this ambiguity in negative sentence a la Russell, tries to show that Korean provides two way of negation construction, one of which corresponds to de re negation (primary occurrence in Russell's terms). De re reading makes referentially transparent context, thus permits substitutions of identicals salva veritate; De dicto reading does not. Korean ending 'rago', used with quotation verbs, speech act verbs and cognitive attitude verbs, deserves some attention in that it permits de re sentences in addition to de re/de dicto ambiguous sentences. 'Rago' also makes speaker's commitment to the content of the intensionally contained clause 'neutral', in contrast with other Korean endings such as 'um/im' and 'raneun gut' which make speaker's positive commitment. This explains why the maxim of western epistemology that knowledge presupposes truth does not hold in Korean 'rago' sentences.

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Applications of Yeast Flocculation in Biotechnological Processes

  • Domingues, Lucilia;Vicente, Antonio A.;Lima, Nelson;Teixeira, Jose A.
    • Biotechnology and Bioprocess Engineering:BBE
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    • v.5 no.4
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    • pp.288-305
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    • 2000
  • A review on the main aspects associated with yeast flocculation and its application in biotechnological processes is presented. This subject is addressed following three main aspects-the basics of yeast flocculation, the development of "new" flocculating yeast strains and bioreactor development. In what concerns the basics of yeast flocculation, the state of the art on the most relevant aspects of mechanism, physiology and genetics of yeast flocculation is reported. The construction of flocculating yeast strains includes not only the recombinant constitutive flocculent brewer's yeast, but also recombinant flocculent yeast for lactose metabolisation and ethanol production. Furthermore, recent work on the heterologous $\beta$-galactosidase production using a recombinant flocculent Saccharomyces cerevisiae is considered. As bioreactors using flocculating yeast cells have particular properties, mainly associated with a high solid phase hold-up, a section dedicated to its operation is presented. Aspects such as bioreactor productivity and culture stability as well as bioreactor hydrodynamics and mass transfer properties of flocculating cell cultures are considered. Finally, the paper concludes describing some of the applications of high cell density flocculating bioreactors and discussing potential new uses of these systems.e systems.

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Seismic retrofitting of a tower with shear wall in UHPC based dune sand

  • Trabelsi, Abderraouf;Kammoun, Zied;Beddey, Aouicha
    • Earthquakes and Structures
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    • v.12 no.6
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    • pp.591-601
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    • 2017
  • To prevent or limit the damage caused by earthquakes on existing buildings, several retrofitting techniques are possible. In this work, an ultra high performance concrete based on sand dune has been formulated for use in the reinforcement of a multifunctional tower in the city of Skikda in Algeria. Tests on the formulated ultra high performance concrete are performed to determine its characteristics. A nonlinear dynamic analysis, based on the "Pushover" method was conducted. The analysis allowed an optimization of the width of reinforced concrete walls used in seismic strengthening. Two types of concrete are studied, the ordinary concrete and the ultra high performance concrete. Both alternatives are compared with the reinforcement with carbon fibers and by base isolation retrofit design.

Short- and long-term deflections of RC building structures influenced by construction processes

  • Alvarado, Yezid A.;Buitrago, Manuel;Gasch, Isabel;Dominguez, Maria N.;Cipagauta, Miguel A.
    • Structural Engineering and Mechanics
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    • v.64 no.2
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    • pp.173-181
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    • 2017
  • This paper analyzes the influence of the construction process on short- and long-term deflections on a reinforced concrete structure poured on-site by a portable industrialized system. A parametric analysis was carried out by the Finite Elements Method (FEM) that considered: a) type of construction process with reshoring or clearing (partial striking); b) the number of successively shored floors and c) the number of shores used on each floor. All three factors were especially important for the values of short- and long-term deflections, which were highest in the reshoring processes with the lowest number of successively shored floors and the lowest number of shores per floor. Deflections obtained were compared with the limits laid down by ACI 318-14 and as calculated by this code's simplified method. The long-term deflections were seen to be almost double than those obtained by applying the ACI 318-14 code's simplified method and in some cases these deflections were above the established limits. It can thus be concluded that the load history of a building under construction should be taken into account in order to satisfy a structure's in-service conditions and durability.