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유선상 ( Yoo Seon Sang ),하명호 ( Ha Myung Ho ),고정 ( Go Jung ),박경한 ( Park Kyung Han ),김승진 ( Kim Seung Jin ) 한국구조물진단유지관리공학회 2018 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.22 No.1
With the recent earthquake measuring 5.4 in Pohang, attention is being raised to the effects of the structures caused by the earthquake. In this study, seismic effect of the tunnel structure was analyzed by the time history analysis method using the measurement results of the nearby structures. Most of the analysis results showed displacement and stress results of one tenth level of the artificial seismic wave using design seismic acceleration, and the actual field survey revealed that the effects of earthquakes were minor.
권영정 ( Kweon Young-jung ),박경한 ( Park Kyung-han ),이경배 ( Lee Kyung-bae ),하명호 ( Ha Myung-ho ) 한국구조물진단유지관리공학회 2017 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.21 No.1
This study is for the damage with lack of drain pipe length and it is presented for the improved references which is 「Design and management guidelines of road drainage facilities」.
한국치위생학회지 게재논문(창간호~2015년)의 연구동향 분석
장종화,원복연,장계원,김설악,오상환,김윤정,하명옥,이영은,이가령,박성숙,엄숙,Jang, Jong-Hwa,Won, Bok-Yeon,Jang, Gye-Won,Kim, Seol-Ak,Oh, Sang-Hwan,Kim, Yun-Jeong,Ha, Myung-Ok,Lee, Young-Eun,Lee, Ga-Ryoung,Park, Sung-Suk,Um, Suk 한국치위생학회 2017 한국치위생학회지 Vol.17 No.4
Objectives: The purpose of study is to investigate trends in dental hygiene research published in the Journal of Korean Society Dental Hygiene. Methods:Total of 992 researches were published between 2001 to 2015 were reviewed using analysis criteria. Results: 23.7% of the researches were supported financially. The most frequent research topics were oral health (40.9%). 3 to 5 researchers per research (38.5%) was most common and 84.1% of principal researchers were professors. 29 researchers were approved by IRB (2011 to 2015). As for the type of research, 87.1% of quantitative studies adapted survey and 9.5% adapted experiment. Convenient sampling was used in 85.6% of the researches. 32.7% of studies searched information in school. Interventions of dental material were the most in pre experimental design (19.2%) and Interventions of activation of oral health program were the most in quasi experimental design (37.5%). Conclusions: The findings of this study suggested the recent trends and the direction in dental hygiene research.