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成基泰 忠州大學校 1989 한국교통대학교 논문집 Vol.23 No.-
The analysis of static indeterminate structure was investigated by matrix solution methods, and the results as follow. 1. The node load {P} and stress {Q} were defined and the force transformation, element flexibility matrix calculated under condition, of ∑H=0, ∑V=0, ∑M=0. 2. In this condition, the stress {Q} and the node displacement {Q} were also calculated. This method was more useful and easy than other methods.
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統一系統벼 普及이 農業生産力에 미친 效果 및 그 普及 決定要因 分析 : 慶北地方을 中心으로
成耆台 全北大學校 學徒護國團 1977 全國大學生學術硏究發表論文集 Vol.1 No.-
본 연구에서 밝혀진 주요사실을 요약하면 다음과 같다. 1.1976년도에 경상북도의 일반농가가 재배한 일반벼와 통일계통벼 평균 토지생산력(단당수량)은 각각 381kg과 497kg으로 통일계통벼의 생산력이 재래종에 비해 116kg이나 높게 나타났다. 특히 모든 벼의 평균 생산력이 460kg으로 일반벼의 수량저하를 보상하고도 상당한 양의 증산효과를 가져와 식량자급 달성이 직접적으로 공헌하였음을 알 수 있다. 2.통일계통벼 보급에 의한 농가소득 특히, 미작소득증대효과는 정수효과에 비례하여 커왔으나 실질가격 측면에서 볼 때 미미한 것으로 나타났다. 3.일반농가의 다수성, 신품종 도입율은 여러가지 요인에 의해 결정되어질 것으로 간주되나 특히 관개수비율과 경영주 학력수준에 의한 보급률 결정이 전체 도입률의 약 40%를 설명해 주고 있어 이 두 변수의 정책적 의의가 컷음을 알 수 있었다.
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콘크리트 비충전 강합성 바닥판의 활하중 횡분배 거동에 관한 연구
성기태,이승용 忠州大學校 2012 한국교통대학교 논문집 Vol.47 No.-
Live load lateral distribution behavior of concrete unfilled composite steel grid deck which upper part of inverted T-shape steel embedded in reinforced concrete slab is analyzed. From the results of analyses, it is concluded that maximum live load lateral distribution coefficient increase and strength of concrete unfilled composite steel grid deck decrease relatively with the transverse direction stiffness increasing. Fitting equations which can predict the maximum live load lateral distribution coefficient and strength were developed from the analyzed results. The reliability of the fitting equations were evaluated by comparing with the experiment results.
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成基泰 忠州大學校 1985 한국교통대학교 논문집 Vol.19 No.1
This thesis is written to use step by step design procedures in accordance with the ultimate strength Design method for the design of BEAM that was being used the working stress design method. The results are as follows ; 1. Ultimate strength Design than working stress Design is (1) Coefficient of safety is more equilibrium. (2) The materials are saved. 2. It is intended for use by those having a general familiarity with ultimate strength design method. 3. If you are perfectly comprehended about the basic procedures of step by step ultimate strength design method, you can save lots of time to necessary in the design.
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성기태 韓國交通大學校 1967 한국교통대학교 논문집 Vol.51 No.-
This paper was performed to verify the structural performance of the dark red prefabricated blocks used in the raised intersection. The prefabricated blocks can replace the conventional dark red pavement in the intersection, and has the advantage of construction convenience. To determine the structural performance of the prefabricated blocks, the bending test, shear test and fatigue test were conducted. From the results, the dark red prefabricated blocks has sufficient structural performance, and it can be appropriately used as raised intersection facilities.
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저슬럼프 원심력 콘크리트의 섬유보강 효과에 관한 실험적 연구
성기태,이승용 한국교통대학교 2014 한국교통대학교 논문집 Vol.49 No.-
In this paper, structural performance was reviewed through a variety of experimental researches in order to develop high performance low slump spun concrete which is more durable than concrete and highly bending-resistant to an external force and whose microcrack is minimized. With the major study objectives of reviewing the difference of fiber type, fiber volume, transverse, and spiral reinforcement spacing, a basic performance test and static structure test were conducted. For a basic performance test, in order to determine the optimal fiber volume of spun concrete, various test molds with different variables were made and a compression strength test and bending test were carried out. For a static structural test, full-scale pole specimens with various variables were made based on the mix proportion determined at a basic performance test and a longitudinal compression test and transverse loading test were conducted. Through many tests, the structural performance of spun concrete depending on tie reinforcement volume, fiber type, and fiber volume are studied. The result of this study will be used as important basic data for the development of fiber reinforcement spun concrete products.
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成基泰 忠州大學校 1985 한국교통대학교 논문집 Vol.18 No.2
This part civil engineering works planning, scheduling, and progress reporting by the program evaluation and review technique (P.E.R.T) or critical path method (CPM) A diagrammatic representation or the sequence of accomplishment and interdependency of events and activities in a multi-event offort. The particular sequence of activities in a network that comprises the longest time duration through the network from start to finish. The path with the smallest amount of positive slack or the largest amount of negative slack.
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成基泰 忠州大學校 1982 한국교통대학교 논문집 Vol.15 No.2
Curing means the Iast stage of work under the stage execution of work to make Concrete, and it needs a definite period of time of curing to get Concrete needed. Moreover nowadays because we faces the problems of the reduction of constructive terms, rationalization of execution, the process of its manufactures, and its economic gains, We must investigate thoroughly from a new point of view upon consideration of the above matters. Therefore this report is to study on the Influence on the strength of concrete under the curing condition in that light. As we added overload in the earlier time, it didn't make crack of breaking at once, the deflection by creep brought about crack. We observing the influence of freezing on the strength of concrete, the curing under atmosphere showed lower strength from 61% to 70% under the water ouring. The rapid change of temperature and cooling were due to crack on the surface.
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RC로 구속된 조적조 벽체의 전단강도에 관한 실험적 연구
성기태,김경태 忠州大學校 2005 한국교통대학교 논문집 Vol.40 No.2
In order to investigate the effect of the height of application point of lateral loads and reinforcing steel bars in walls and columns in improving the seismic behavior of confined concrete block masonry walls, an experimental research program is conducted. A total of four one-half scale specimens are tested under repeated lateral loads. Specimens are tested to failure with increasing maximum lateral drifts while a vertical axial load was applied and maintained constant.The constant vertical axial stresses applied are 0, 0.84 and 1.80MPa, while the amount of reinforcements in horizontal and vertical directions are 0%, 0.08% and 0.18% respectively. Test results obtained for each specimen include cracking patterns, load-deflection data, and strains in reinforcement and walls in critical locations. Analysis of test data showed that above parameters generate a considerable effect on the seismic performance of confined concrete block masonry walls.
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