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송영재,강수원,양해준,김성호,윤현도 한국구조물진단유지관리학회 2011 한국구조물진단학회 학술발표회논문집 Vol.2011 No.9
This paper is to investigate the influence of SHCC and RC beams (prepared without EXA or with EXA) has been compared through flexural of beams measurements. A synergistic effect on the strain-hardening and deflection has been observed when the EXA have been used.
확장된 타임 페트리 네트에 의한 분산 시스템의 성능 분석
송영재,이부영,이대영 한국통신학회 1989 韓國通信學會論文誌 Vol.14 No.3
본 논문은 타임 페트리 네트에서 천이에 제약과 확률 밀도 함수를 추가한 확장된 타임 페트리 네트를 제안하고, 이를 이용한 분산된 시스템의 분석 방법을 제시하였다. 도달 가능에 기반을 둔 분석 방법은 성능에 관한 네트들의 동작을 고려하여 효율성을 표시하고, 제안한 확장된 타임 페트리 네트 모델이 시스템의 명세화에 보다 정확도를 제공하므로써 작업에 얼마나 적합한가를 모의 실험 하는 것이다. 마지막으로, 분석된 시스템을 구별하고, 평가하기 위한 분석 기구 장치로써 타임 페트리 네트를 기반으로 하여 연구하는 것이다. In this Paper prestnting an extended timed Petri net model which Can be used for the performance analysis of Distributed System. An analysis methodology based on a reachiabilitylike approach is prestented efficiency to find out the behaviour of these nets in terms of performance. And the proposed extended timed prtri net models are simulated to show practicability of the accuracy of the extended model in representing system specification.
CSA계 팽창재를 대체한 고강도 SHCC의 역학적 특성
송영재,민병성,양해준,김성호,윤현도 한국구조물진단유지관리학회 2011 한국구조물진단학회 학술발표회논문집 Vol.2011 No.9
This paper is to investigate the influence of high compressive strength of SHCC and the mechanical properties of expensive admixture-SHCC. As a result of test, PE100-10 specimens recommended to from mechanical properties of compressive, tensile test.
소프트웨어 재사용을 위한 라이브러리 시스템의 설계 및 구현에 관한 연구
宋榮宰,尹起五 慶熙大學校 1990 論文集 Vol.19 No.-
The s/w reusability has many gains(quality, reliablility, consistency, managability) and considerably improves productivity. To reuse s/w, first, s/w components are classified and placed in library by its attributes. Second, we have to understand the found component and adapt it to the new enviroment of project. The system for reusable s/w have flexibility accoring to the growing library. Also, it has to establish and manage according to the number of components. In the library system, components would be considered the paramenterization method, maintenance, efficiency and understandablility. To encourage the system, synonym is classified Equivalent and Relative terms. The synonym provides appropriate information to reuser regardless of library's size. To improve the efficiency of search and retrieval, terms of Facet are constructed abbreviation terms and they are able to fast accessibility because similar components are connected as linked list. Adaption is time-comsume. Therefore, the system provides templets that support appropriate adaption to reuser. In this paper, we design and implement the library system that improve golas of reusability.
宋榮栽,李鍾玉 慶熙大學校 1984 論文集 Vol.13 No.-
This paper presents design and fault-detection of Infinite sequential UMT machine and Feed-back sequential UMT Machine by AND-EOR-Delay module. It is shown that marked decrement of the number of IC Chips and test pattlerns is made with respect to using AND-OR-Delay module As a result of the experiment, decrement of 20% and 27%, using 4-level Infinite sequential UMT machine, and that of 56% and 73%, using 2-level Feedback sequential UMT machine has been made in the number of IC chip and test pattlerns respectively.
섬유 혼입 조건 및 팽창재 대체에 따른 고강도 변형 경화형 시멘트 복합체의 역학적 특성
송영재,왕수창,양해준,김성호,윤현도 한국구조물진단유지관리학회 2012 한국구조물진단학회 학술발표회논문집 Vol.2012 No.1
This paper presents the results of a study performed to evaluate uniaxial tensile performance and obtain a better understanding of the behavior of SHCC using an expansive admixture. To evaluate a performance of SHCC using an expansive admixture was tested a compressive strength, flexural strength, and uniaxial tensile strength.
PE섬유를 사용한 SHCC의 팽창재 유무에 따른 인장강성 및 균열특성
송영재,박찬박,양해준,김성호,윤현도 한국구조물진단유지관리학회 2012 한국구조물진단학회 학술발표회논문집 Vol.2012 No.1
This paper investigates The purpose of this research was to investigate the effects of expansive admixture on the tension stiffening performance and cracking process of SHCC with polyethylene(PE) fiber. Testing was carried out on four axially loaded tension tie specimens. Each specimen had a square cross-section dimension 100 × 100mm of and length of 1200mm. As a result, using an expansion admixture can improve a prestress and reduce an initial shrinkage crack.