슈밋트 해머를 이용한 반발경도법의 압축강도 추정식에 대한 연구

박주경,곽경헌,정태영 한국구조물진단유지관리학회 2011 한국구조물진단학회 학술발표회논문집 Vol.2011 No.9

In this paper, the new non-destructive equation will be proposed and evaluated in comparison to the other foreign’s non-destructive equation. Through the comparisons cores strength of mock structure with compressive strength obtained from new non-destructive equation ; rebound hammer, It will be analyzed about application of non-destructive equation. The results are following. The new non-destructive equations follow; Fc =0.6363Ro -3.864(㎫)

3D레이저 스케너를 이용한 석축구조물 변위계측에 관한 연구

박주경,이성민,유기성,곽경헌,정태영 한국구조물진단유지관리학회 2011 한국구조물진단학회 학술발표회논문집 Vol.2011 No.9

3D Scanning is a very useful measurement to analyze the displacement·the deflection of structures. The prevalence of 3D scanner accompanied with that of measurement equipment and the development of high-tech equipment, enables us to dimension cultural assets and the analysis of the displacement·the deflection. In this study, we have a purpose of researching into whether the swelling of stonework in the northwest of Sungryemun is caused by a fire or not and if the entire stonework has any displacement or deflection.

FRP-콘크리트 합성 압축재의 거동평가 및 예측에 관한 실험적 연구

박주경 ( Park Ju-kyung ),곽경헌 ( Kwak Kyung Hern ),정태영 ( Chung Tae-young ),김진수 ( Kim Jin Soo ) 한국구조물진단유지관리공학회 2009 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.13 No.2

In this thesis it is attempted to predict the compressive strength and the stress-strain relation of CFFT by using uniaxial compression tests. Before the test, physical, chemical, and mechanical properties of FRP are measured or determined by experiment and the existing documents relating to the study of CFFT has been collected and reviewed. From the research, prediction model for the strength and stress-strain relation of CFFT compression member is suggested. So, it is expected that the results could be used for the preliminary design of such structures or as a basic data for the future research.

FRP-콘크리트 합성 압축재의 거동평가에 관한 실험적 연구

박주경 ( Park Ju-kyung ),곽경헌 ( Kwak Kyung Hem ),정태영 ( Chung Tae-young ),김진수 ( Kim Jin Soo ) 한국구조물진단유지관리공학회 2009 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.13 No.1

In recent years, experimental study on the CFFT to predict the structural behavior has been conducted by numerous researchers and they suggested the prediction model. But their prediction models are significantly differ each other. So, experimental verification of the prediction model is still needed. From the research, prediction model for the strength and stress-strain relation of CFFT compression member is suggested. So, it is expected that the results could be used for the preliminary design of such structures or as a basic data for the future research.

강섬유 혼입 콘크리트의 휨강도 추정 모형 개발

박주경 ( Park Ju-kyung ),권오훈 ( Kwon Oh-hun ),곽경헌 ( Kwak Kyung Hern ),최양진 ( Choi Yang-jin ),정태영 ( Chung Tae-young ) 한국구조물진단유지관리공학회 2007 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.11 No.1

This study took a look at the tendency of studies by collecting and analyzing the data of the advanced studies on SFRC, and facilitated it on the learning data required in the model development. In addition, by applying the diverse nerve network model and various algorithms to develop the optimal nerve network model appropriate to the dynamic characteristics. The accuracy of the developed nerve network model was compared with the experiment data value of other researchers not utilized as the learning data, the experiment data value undertaken in this study, and comparison made with the formulas proposed by the researchers. And, by analyzing the influence of learning data of nerve network model on the estimation result, the sensitivity of the forecasting system on the learning data of the nerve network is analyzed.

제설제의 살포가 교량구조물의 내구성에 미치는 영향

박주경(Park Ju-Kyung),곽경헌(Kwak Kyung-Hun),정태영(Chung Tae-Young) 한국구조물진단유지관리학회 2006 한국구조물진단학회 학술발표회논문집 Vol.10 No.2

Recently, the research on durability of concrete proceed rapidly in the building industry. Deterioration due to deicer salt occurs in practice in bridge structure, dike, barrier and similar structure. This paper reports the results of effect of deicer salt on durability of bridge structure in winter.

공동주택 콘크리트 하자의 균열폭 허용한계설정에 대한 연구

박주경 ( Park Ju-kyung ),정태영 ( Chung Tae-young ) 한국구조물진단유지관리공학회 2019 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.23 No.2

There have been arguments in terms of defects liability for apartment building, and one of the arguments is that crack width less than 0.3mm which is appeared in the concrete structures should be defined as defects without application of allowable crack width under Construction Specification. Another argument states that the crack width less than 0.3mm appeared in concrete structures is not defect according to the Construction Specification. This study analyzes the engineering characteristics of concrete crack appeared in apartment building with the comparison of allowable crack width in terms of design, construction, and maintenance.Moreover, regarding defects in apartment building, this study analyzes legal problems which are found in the comparison of defects liability clause stipulated in the related regulations, and also analyzes all together the foreign regulations on defect liability and defect repair costs in the previous appraisal reports.

4차 산업혁명 시대 초등학생의 융합적 문제해결력 함양을 위한 수업모형 탐색

박주경 ( Park Ju Kyung ),오영열 ( Oh Young Youl ),임희정 ( Ihm Hee Jeong ),강옥려 ( Kang Ock Ryeo ),김광수 ( Kim Kwang Soo ),문성환 ( Moon Seong Hwan ),이윤형 ( Lee Yoon Hyung ) 서울교육대학교 초등교육연구원 2021 한국초등교육 Vol.31 No.특별호

4차 산업혁명 시대의 도래와 함께 변화하는 사회는 융합적 문제해결력을 갖춘 인재 양성을 요구하고 있다. 기존에 시도되어 온 융합인재교육과 문제해결 학습은 자체가 가진 의미와 강점에도 불구하고 서로 독립된 영역으로 다루어짐으로써 교육 현장에서 적용의 어려움이 나타났다. 본 연구는 4차 산업혁명 시대에 융합적 문제해결력을 갖춘 인재 양성을 위한 실천적 접근을 시도하고자 하였다. 이에 본 연구의 목적은 초등학생들이 실생활에서 겪는 여러 형태의 문제 상황을 교과의 다양한 지식과 기술로 융합하여 해결할 수 있는 융합적 문제해결력을 함양하기 위한 수업모형을 탐색하는 것이다. 이를 위해 먼저 융합인재교육과 문제해결 학습의 개념을 바탕으로 초등교육에서 융합적 문제해결력을 정의하고 융합적 문제해결력을 함양시키는 교육 프로그램과 관련한 선행연구를 고찰하였다. 또한 융합인재교육과 문제해결 수업모형을 바탕으로 초등학생의 융합적 문제해결력 함양을 위한 수업모형을 제안하였다. 연구 결과, 융합적 문제해결력은 실생활의 문제해결에 목적을 두고 범교과적 지식과 개념, 기능의 융합을 통해 학습자 개인 및 집단이 창의적으로 문제해결을 위한 대안을 생성하여 최적의 해결책을 선택하고 검증하며 성찰하는 능력으로 정의되었다. 융합적 문제해결력을 함양하기 위한 수업은 실제성과 교과 내용 사이의 연결성이 강조된 문제를 제시하고, 수업 과정에서 맥락과 실천이 지속적으로 강조되며, 학습자의 능동성과 협력적 태도가 요구되는 특징이 있었다. 본 연구에서 탐색한 초등학생의 융합적 문제해결력 함양을 위한 수업이 가진 함의를 바탕으로 미래 사회에서 요구하는 융합적 문제해결력을 갖춘 인재 양성을 위한 토대를 마련할 수 있을 것으로 기대한다. The purpose of this study is to explore a teaching model to improve STEAM-based problem-solving abilities that can be solved by the convergence of various types of problem situations experienced by elementary school students in real life. To this end, first, based on the concepts of STEAM education and problem-solving, we define STEAM-based problem-solving ability in elementary education and reviewed prior research related to education programs that improve STEAM-based problem-solving ability. Also, a teaching model was proposed to improve the STEAM-based problem-solving ability of elementary school students. As a result of the study, the STEAM-based problem-solving ability defined as the ability that individual and group learners creatively create alternatives for problem-solving to make, select, verify and reflect through using the convergence of knowledge, concepts, and skills. Lessons to improve STEAM-based problem-solving skills include problems that emphasize the connection between practicality and subject content, and the context and practice are constantly emphasized in the process of instruction, and the learner’s active and cooperative attitude is also required in the whole class. Based on the implications of the teaching model for improving the STEAM-based problem-solving ability of elementary school students explored in this study, we expect that the foundation for developing children’s education with the STEAM-based problem-solving ability required by the future society.

초등학생의 융합적 문제해결력 함양을 위한 수업모형 적용 사례 연구

박주경 ( Park Ju Kyung ) 한국초등교육학회 2021 초등교육연구 Vol.32 No.S

모든 것이 이어지는 초연결 사회이자 불확실한 시대로의 변화는 개인에게 새로운 방향의 경쟁력을 요구한다. 이는 동시에 교과 내의 지식과 기술을 중심으로 전개되어 온 학교 교육의 융합 능력 향상에 대한 관심을 촉구한다. 이러한 배경 아래 융합적 문제해결력은 융합 인재를 양성하고자 하는 2015 개정 교육과정의 목표를 달성할 수 있는 핵심 요소가 될 수 있다. 본 연구는 초등학교 수업에 적용한 사례를 통해 융합적 문제해결 수업모형의 적용 가능성을 탐색하고 이를 바탕으로 융합적 문제해결 수업모형의 보완점을 찾고자 하였다. 이를 위해 설문조사와 전문가 토의를 거쳐 선정된 초등학생이 당면하는 7개의 문제를 바탕으로 융합적 문제해결 수업을 구안하고, 초등학교 4학년 학생을 연구 대상으로 선정하여 수업을 적용하였으며 네 가지 방법으로 수집한 자료를 질적으로 분석하였다. 연구 결과, 융합적 문제해결 수업모형의 각 절차와 수업의 전반적인 과정에서 융합적 문제해결력과 관련한 특징이 도출되었다. 문제발견 및 분석 단계에서는 경험을 연결하여 문제 이해하기, 지식을 연결하여 문제 이해하기, 아이디어 생성 단계에서는 기존의 경험과 지식을 연결하여 아이디어 생성하기, 새로운 지식을 연결하여 아이디어 생성하기, 실행 계획 단계에서는 문제해결방법에 대한 타당성 검증하기, 문제해결 방법의 다양한 측면 구체화하기, 실행 단계에서는 가상의 상황에서 통합하기, 생활에서 통합하기, 결과물 공유 단계 및 설득, 소통, 성찰 단계에서는 타인을 통해 생각을 비판적으로 검토하기, 생각을 내면화하고 점검하기의 특징이 나타났다. 또한 융합적 문제해결 수업 전반에서는 융합적 문제해결을 위한 학습자 중심의 주제 선정, 융합적 문제해결력 구성 요소 간의 연결, 융합적 문제해결을 지원하는 정보 및 탐색 방법의 제공이 요구되고 있었다. 본 연구를 통해 학생들에게는 학습자를 중심으로 한 융합적 문제해결의 기회를 제공할 수 있으며 교사들에게는 융합적 문제해결 수업을 현장에 적용할 수 있는 구체적인 사례를 제공할 수 있다. 이를 바탕으로 초등학교 수업에서 융합적 문제해결력의 함양을 통해 미래 사회에서 요구하는 융합적 인재 양성에 기여할 수 있기를 기대한다. It is a hyper-connected society in which everything is connected, and the change to an uncertain era requires individual competitiveness in a new direction. This urges interest in improving the convergence ability of school education, which has been developed around the knowledge and skills in the subject. This study attempted to develop the teaching model by exploring the applicability of the STEAM-based problem-solving teaching model through cases applied to elementary school classes, and discovering complementary points of the STEAM-based problem-solving teaching model based on this. To this end, a STEAM-based problem-solving lesson was devised based on the 7 problems that elementary school students selected through questionnaire surveys and expert discussions, and 4th grade elementary school students were selected as subjects for the study and applied. The collected data were analyzed qualitatively. As a result of the study, characteristics related to STEAM-based problem-solving ability were derived in each procedure of the STEAM-based problem-solving teaching model and in the overall course of the instruction. In the problem discovery and analysis stage, connect experiences and knowledge to understand problems, in the idea generation stage, connect existing experiences and knowledge to create ideas, connect new knowledge to create ideas, in execute plan stage, verify the validity of the problem solving method, specify various aspects of the problem solving method, in the implementation stage, integrating in a virtual situation, integrating in life, In the stage of sharing outcomes and in the stages of persuasion, communication, and reflection, the characteristics of critically reviewing thoughts through others, internalizing and inspecting thoughts appeared. In addition, in the overall STEAM-based problem-solving lesson, it was required to select learner-centered topics for STEAM-based problem-solving, connect the components of STEAM-based problem-solving ability, and provide information and exploration methods to support STEAM-based problem-solving. Through this study, students can be provided with opportunities for STEAM-based problem-solving, centered on learners, and teachers can provide concrete examples that can apply STEAM-based problem-solving lessons in the field. Based on this, it is hoped that it will contribute to the improving convergent talents required by the future society by fostering STEAM-based problem-solving skills in elementary school.

FRP-콘크리트 합성 압축재의 거동평가 및 예측에 관한 실험적 연구

박주경(Park, Ju-Kyung),곽경헌(Kwak, Kyung Hern),정태영(Chung, Tae-Young),김진수(Kim, Jin Soo) 한국구조물진단유지관리학회 2009 한국구조물진단학회 학술발표회논문집 Vol.2009 No.2

In this thesis it is attempted to predict the compressive strength and the stress-strain relation of CFFT by using uniaxial compression tests. Before the test, physical, chemical, and mechanical properties of FRP are measured or determined by experiment and the existing documents relating to the study of CFFT has been collected and reviewed. From the research, prediction model for the strength and stress-strain relation of CFFT compression member is suggested. So, it is expected that the results could be used for the preliminary design of such structures or as a basic data for the future research.