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建築構造物設計用 風荷重에 관한 硏究 : 남한지방의 速度壓中心으로 with emphasis on velocity pressure of wind load in Korea
崔文植 단국대학교 1989 論文集 Vol.23 No.-
It is the object of this study to complement the unreasonable factor of Velocity pressure of wind in Koran Standard Code and to design the economical structure of building. In 60 meterological station in south Korea is investigated the yearly mean max. wind speed and yearly gust wind speed. With comparison and analysis of regulations of several country on velocity pressure, this paper suggests problems in our regulations. The results obtained are as follows. (1) The 100years return period of mean max. wind speed in our regulations must be seperated the return period of 5, 50, 100 years according to use of building and material of structure. (Table 2) (2) Exposure factor of 4 grades in reasonable(3 grades in our regulations) (Table 6) (3) The four zone of design basic wind speed from 35m/s to 45m/s must be revisoned in five zone from 30/s to 50/s according to return periods and the adjustment of zone is necessary. (Table 5) (4) Because of adjustment of return period, exposure factor and design basic wind speed must be modified Velocity pressure for structural design as (Table 12) and (Table 13)
韓國의 組積造構造의 設計方法에 關한 硏究 : 벽돌조 중심으로 for Structure of Brick Masonry
崔文植 단국대학교 1986 論文集 Vol.20 No.-
Masonry structure is me most econony of all the structure and is widely used in U.S.A and Europe. But it is'nt design code for masonry structure in Korea. This paper refers to me structural design of unreinforced brick masonry structure and reinforced brick masonry structure at the base of structural design code of masonry of united states of America, United Kingdom, Germany, Japan and Australia.
최문식,김보영 단국대학교 2000 論文集 Vol.35 No.-
To study on the shear lag effect in the block shear rupture of joints under tension force, in this report analyzed the research results on block shear rupture of H-shape. CT-shape and L-shape. When computing the block shear internal force in the joints under tension force, by comparing the block shear equations of the Limited State Design criteria. AISC(which do not include the shear lag) with Epstein's equations(which do), the results on the propriety of shear lag reduction coefficient are as follows. 1) Block shear equations of the LRFD(1993) of the AISC do not include the shear lag in the joints under tension force. In the study results, the professional factors of H-shape, CT-shape and L-shape are 1.07, 0.96 and 0.97. Therefore the results show that the block shear equations of the LRFD(1993) of the AISC are not appropriate. 2) In the LRFD(1993) of the AISC and the Limited State Design criteria, when real block shear rupture length and the smaller value of the two reduction coefficient are applied, CT-shape's and L-shape's professional factor is 1.04 and H-shape's is 1.17. Therefore, applying the reduction coefficient to the block shear equation under tension force is quite appropriate for the CT-shape and L-shape. For the H-shape, the results show that a little excessive but safe. 3) In the Adidam and Epstein's equation(1992), when real block shear rupture length and the larger value of the two reduction coefficient are applied, CT-shape's professional factor is 0.98, L-shape's is 1.03, and H-shape's is 1.07. Therefore, it is thought that applying the reduction coefficient is necessary in the block shear equation under tension force and it should be corrected when applying the U factor. 4) From the above results, when computing the block shear internal force, it is thought that reduction coefficient for the shear lag should be considered.
崔文植 大韓神經精神醫學會 1979 신경정신의학 Vol.18 No.1
In August 1978, in order to determine the prevalence rate and ecological aspects of schizophrenia, manic-depressive illness, epilepsy, and general paresis, this survey was conducted using the census visit method in Juk-Wang Myun where the total population was 7,216 persons. Followings are the results obtained. 1. The prevalence rates for schizophrenia, manic depressive illness, epilepsy and general parsis were 0.15%, 0.013%, 0.19%, and 0.00% respectively. 2. Four-fifths of the schizophrenic(81.8%) and about half of the epileptics (57.1%) had suffered for more than five years. 3. In schizophrenics, the divorced and the separated in both sexes are 45.5%. 4. In therapy, 57.1% of epileptics take anticonvulsants while 54.6% of schizophrenics have not been treated with modern methods or else left alone without custodial cares.
바이브로홀로테이숀공법에 의한 연약지반의 개량 ( Improvement of soft Layer by Vibroflotation Method )
최문식 대한건축학회 1976 建築 Vol.20 No.5
바이브로훌로테이숀 공법은 연약지반내에 자갈 또는 쇄석을 집어 넣어 지반을 개량하는 공법으로 구미에서 상당히 인기있는 공법이다. 영국 Geotechnique잡지의 1975년 3월호에는 Ground treatment by deep compaction 라는 제하에 이 공법에 관한 특집이 실렸으며 1975년 5월에 영국의 전기공학회에서 이 공법에 관한 심포지움이 개최되기 까지 했다. 이 공법은 상대밀도가 적은 사질토및 점성토 지반을 다지는데 양호하며 특히 교통하중, 발전소의 터빈 또는 중기계공장등 주기적인 진동을 이르켜 구조물에 큰 침하가 예상되는 기초지반을 개량하는데 아주 우수하다고 국제적으로 인정된 공법이다.
최문식 대한건축학회 1974 建築 Vol.18 No.1
최근 우리나라에서는 서울은 위시하여 대도시에서 건물이 고층화되어 가고 있어 풍하중의 중요성이 더욱 강조되고 있다. 그런데 바람에 의한 구조물에 작용하는 풍력산정에 기본이 되는 요소는 풍압계수와 속도압인데 풍압계수는 미국.일본.등 세계 각국에서 풍동실험에 의해 발표된 결과치를 이용하면 되나 속도압은 지리적 조건에 의해 다르게 산출됨으로 우리나라 실정에 맞는 값을 산정해야 한다. 그래서 우리나라 25개 측후소의 1951~1971년 사이 기상연보의 기록을 조사하여 우리나라에 미친 바람의 영향을 분석하여 속도압을 산출하였다.
최문식,Choi, Moon-Shik 대한심미치과학회 2016 Journal of the Korean Academy of Esthetic Dentistr Vol.25 No.1
전치부 심미 보철에서의 성공은 안모에서의 심미와 구강 내 주의 치아와 치주 조직간의 조화라 할 수 있다. 정상적인 교합평면을 가진 안면대칭의 환자에서는 여러 심미 책에 나오듯 기준을 잘 정하고 그 기준에 맞게 제작하면 별 탈없이 조화롭고 심미적인 보철을 제작할 수 있다. 하지만 안면 비대칭 환자의 경우 안면 대칭의 환자의 기준에 억지로 맞추어 제작하게 되면 심미적이지도 않을뿐더러 기능적이지도 않은 결과로 끝나기 쉽다. 또한 치은 퇴축이 심한 환자의 경우 달라진 치아주위 환경에 맞게 보철의 형태를 부여해야만 치주조직에 조화롭고 심미적이며 자정작용이 뛰어난 보철제작이 가능하다. Successful treatment in the anterior esthetic prosthetic can be a balance between aesthetics in the facial, tooth, and periodontal tissue in the oral. In the case of facial symmetry of patients with normal occlusal plane, If you establish criteria of finding balance of aesthetics such as a several books and articles and manufacture a prostheses by the established-criteria, you can manufacture a harmonious and aesthetic prostheses without any trouble. However, in the case of patients with facial asymmetry, if you manufacture a tooth as patient's facial aesthetic symmetry by force even facial asymmetry case, you can't get a result not only aesthetic but also functional prostheses. Also, to produce the prosthetic of harmonious and aesthetic with periodontal tissue, and excellent self-cleansing function, you must apply to the form of the prosthetic changed dental environment.