• 디자인학연구
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• 제19권1호
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• pp.49-58
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• 2006

본 연구는 다원화된 현대건축에서 나타나는 현상의 하나인 단일체적(monolithic) 표현 성향의 특성에 관한 것이다. 다양한 건축적 표현 중에서 단일체 건축은 형태적 산만함이나 분열, 이론에 치중한 형태적 복합성의 난해함을 대치하려는 의도로 해석되고, 현시대의 불안정성, 불확정성, 유동성 등이 강조되는 아방가르드적인 건축이론이나 작품경향에 반해 건축의 위상과 자율성 확립을 통한 반발이기도 하다. 이런 단일체 건축은 단순하고 경제적인 구조를 빈틈없는 외피로 감싼 형태적 엄격함을 보여주면서 인식이 용이한 이미지를 구축함으로써 독자적 아이덴티티를 갖춘 형태의 자립형 건축이라 할 수 있다. 외관의 추상적 형태를 이용해 형태묘사적인 아이덴티티를 구축하거나, 크기나 스케일을 과장함으로써 존재감을 강화시키기도 하며, 색, 재료, 마감, 단면형태 등을 이용하여 내부공간과 외부공간을 중재하는 표피를 전략적으로 탐색하기도 한다. 이런 단일체 건축은 오늘날의 다중적이고 불확정적인 상황에서 건축적 아이덴티터를 확립하기 위한 노력의 일환으로 받아들이는 것이 합당할 것이다.

• 한국실내디자인학회논문집
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• 제26권1호
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• pp.3-12
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• 2017

In today's society, Monolithic expresses itself as a single featured work with a consistent exterior in the urban environment. In particular, such characteristics of the monolithic work have become increasingly influential in the modern society with the emergence of the minimalism. Monolithic architecture in modern has common feature which is maintaining simple construction format (Mass) with complicated and abundance space (Volume) inside. This simple architecture exterior leads new stimulus which is different from previous format and evokes unique sensibility and thoughts with monumental expressing. Uniformed exterior revealed thru purity of material builds up strong presence by itself. In contract with simple exterior, diverse space is expressed by consistent concept and process. Through this, it shows creating metaphorical space and space-oriented feature. We can interpret modern monolithic architecture as a sensation and alternative against Gestalt architecture in consequence of chasing clarity, visual stimulus and uncertain tendency only. It provides architectural experience by spatial imaginary and unexpected space development to users through exclusivetendency against outside and stressing un-private, we can evaluate its value as a space-oriented construction which helped us to think about space meaning in modern society.

• 한국산학기술학회논문지
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• 제19권12호
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• pp.363-373
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• 2018

오늘날 다변화된 사회에서 어떤 스타일의 건물이 동시대를 대표하는 건축적 양식인지 알기 어렵다. 그 중에서 모놀리스적 스타일의 건물에서 드러나는 단순함은 현대의 지극히 복잡한 사회구조와 대칭점을 이루며 그 가치를 인정받을 수 있다. 본 논문에서는 21세기 초반 단열경량골재콘크리트가 사용된 건물의 분석을 통해서 모놀리스적 표현에 대한 개념정의와 그 특징들이 공간 및 형태 그리고 건축구법에서 어떻게 표현되고 있는지에 대해 연구하였다. 여러 재료가 층을 이루어 구성되는 다층적 방식의 외벽시스템과는 달리, 단열경량골재콘크리트에 의한 외벽은 단일재료로서 콘크리트를 사용하여 거푸집을 빈틈없이 채워서 만들어진 덩어리 형태이며 그 자체로 모놀리스적이다. 이러한 점은 동일한 재료에 의한 내외부공간의 동질성, 고형(固形)으로서 표면의 연속성, 스테레오토믹적(stereotomic) 구축방식의 공간적 특성, 노출콘크리트사용에 의한 물질성의 표현, 덩어리와 공간 사이의 대비적 특성을 가진 공간을 만들어 낸다. 그리고 현대건축의 다층적 외벽 방식의 모놀리스적 건축에 대한 담론을 외부로 드러나는 형상적 특징과 더불어 구조와 재료, 그리고 그것이 공간에 끼치는 영향에 까지 논의의 범위를 넓힐 수 있는 기회를 제공한다.

• 한국실내디자인학회논문집
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• 제24권1호
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• pp.12-22
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• 2015

When it comes to the architecture design, Kuma Kengo rejects a strong and violent subject-centered position and advocates the design that is object-oriented. As can be seen in 'gentle architecture', 'three lows principle', 'natural architecture', and 'connecting architecture', he clearly expresses the objective nature of architecture design in those terms. In this respect, the purpose of this study is to make a close inquiry into the meaning, effect and characteristics of objectivity. In particular, we try to identify the contents of 'impure architecture', which has a clear ambivalence to be an instrumental expression strongly settled in the objectivity, in an aesthetic standpoint. To do that, we systemized the concept of mimesis and the theory of subversive appropriation by Walter Benjamin and Theodor Adorno in to a frame of interpretation. By systemizing translation, subversion, verbalization and the dialectic structure of the aesthetics of negation, we interpreted the features of his works as an objective work and 'impure architecture'. His objectivity leads the situation by subversively appropriating the inherent elements of architectural conditions based on a dialectic solution in which inquiries on logical and scientific materials have played a critical role. Above all, through all these processes, he tried to suggest a language as a new technique for materials and structures. Ultimately, we could find out that this object oriented design sublates a subject oriented way that is monolithic and repetitive regardless of objects. Rather, it is a way that is effective in creating a new way of design by making a different approach to a new object rather unfamiliarly, yet deeply.

• ETRI Journal
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• 제35권4호
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• pp.718-721
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• 2013

This letter proposes a novel calibration method for a multiport amplifier (MPA) to achieve optimum port-to-port isolation by correcting both the amplitude and phase of the calibration signals. The proposed architecture allows for the detection of the phase error and amplitude error in each RF signal path simultaneously and can enhance the calibrated resolution by controlling the analog phase shifters and attenuators. The designed $2{\times}2$ and $4{\times}4$ MPAs show isolation characteristics of 30 dB and 27 dB over a frequency range of 19.5 GHz to 22.5 GHz, respectively.

• Steel and Composite Structures
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• 제25권2호
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• pp.245-255
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• 2017

The performance of an Industrialised Building System (IBS) consists of prefabricated reinforced concrete components, is greatly affected by the behaviour of the connection between beam and columns. The structural characteristics parameters of a beam-to-column connection like rotational stiffness, strength and ductility can be explained by load-rotation relationship of a full scale H-subframe under gravitational load. Furthermore, the connection's degree of rigidity directly influences the behaviour of the whole frame. In this research, rotational behaviour of a patented innovative beam-to-column connection with unique benefits like easy installation, no wet work, no welding work at assembly site, using a hybrid behaviour of steel and concrete, easy replacement ability, and compatibility with architecture was investigated. The proposed IBS beam-to-column connection includes precast concrete components with embedded steel end connectors. Two full-scale H-subframes constructed with a new IBS and conventional cast in-situ reinforced concrete system beam-to-column connections were tested under incremental static loading. In this paper, load-rotation relationship and ratio of the rigidity of IBS beam-to-column connection are studied and compared with conventional monolithic reinforced concrete connection. It is concluded that this new IBS beam-to-column connection benefits from more rotational ductility than the conventional reinforced concrete connection. Furthermore, the semi-rigid IBS connection rigidity ratio is about 44% of a full rigid connection.

• ETRI Journal
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• 제42권4호
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• pp.549-561
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• 2020

We developed a 0.1-㎛ metamorphic high electron mobility transistor and fabricated a W-band monolithic microwave integrated circuit chipset with our in-house technology to verify the performance and usability of the developed technology. The DC characteristics were a drain current density of 747 mA/mm and a maximum transconductance of 1.354 S/mm; the RF characteristics were a cutoff frequency of 210 GHz and a maximum oscillation frequency of 252 GHz. A frequency multiplier was developed to increase the frequency of the input signal. The fabricated multiplier showed high output values (more than 0 dBm) in the 94 GHz-108 GHz band and achieved excellent spurious suppression. A low-noise amplifier (LNA) with a four-stage single-ended architecture using a common-source stage was also developed. This LNA achieved a gain of 20 dB in a band between 83 GHz and 110 GHz and a noise figure lower than 3.8 dB with a frequency of 94 GHz. A W-band image-rejection mixer (IRM) with an external off-chip coupler was also designed. The IRM provided a conversion gain of 13 dB-17 dB for RF frequencies of 80 GHz-110 GHz and image-rejection ratios of 17 dB-19 dB for RF frequencies of 93 GHz-100 GHz.