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정신요양 병동에서의 관리영역과 환자의 요양 공간영역의 관찰적 시선에 따른 병동구조와 요양 공간환경의 특성에 관한 연구
주용선 ( Joo Yongsun ) 한국의료복지건축학회(구 한국의료복지시설학회) 2021 의료·복지 건축 Vol.27 No.2
Purpose : The relationship between the staff area and the patient's private area is the key factor in designing the structure and the environmental characteristics of ward space s in a psychiatric hospital. Recent rese arch has found that for the purpose of treatment and securing privacy, psychiatric patients need to be in an open space of relief rather than closed confined environment and under the watch of nursing staffs. Method s: A survey at three kin ds of war ds in a private psychiatric hospital in Japan was conducted in October 2002. These wards include an acute ward, a psychiatric convalescence ward, and a stress care ward. All three kinds of ward s have the same structure. At each ward, spatial preferences of the 145 psychiatric inpatients were surveyed and data concerning the patient’s diagnostic category, symptoms, and activities of daily living were recorded. Results: The patients in the stress care ward prefer to stay in private spaces than public spaces. On the other hand, in the acute ward the patients seem to have a preference between managed public spaces where are monitored by nursing staff s and their private rooms where the nurse station is close. In addition, the patient s in the psychiatric convalescence ward spend most of their time in the public space, such as the hallways or the day room. Implications: Base on this research, the spaces at the acute ward that could be monitored by the nursing station serves effectively as a safety space for patients was concluded. However, in the stress care ward, the patients may perceive the monitoring by the nursing staff as interruption or nuisance to their relaxation. In order to design an ideal healing environment for psychiatric patients in psychiatric ward, it is important to consider how environmental characteristics of space affect the environmental sense of patients in each ward.
주용선(Joo Yong-Sun),김낙경(Kim Nak-Kyung),김성규(Kim Sung-Kyu),박종식(Park Jong-Sik) 대한토목학회 2008 대한토목학회논문집 C Vol.28 No.6
Soil nailing is used as a method of slope stabilization and excavation support. The design method of soil nail are based on experience or assumption of interaction between soil and reinforcement. Most design methods simply considers the tension of reinforcement for analysis of slope stabilization. Soil nails interact with soils under combined loading of shear and tension. Jewell & Pedley suggested a design equation of shear force with bending stiffness and discussed that the magnitude of the maximum shear force is small in comparison with the maximum axal force. However, they have used a very conservative limiting bearing stress on nails. This paper discusses that the shear strength of soil nails should not be disregarded with proper bearing stresses on nails. The modified FHWA design method was proposed by considering shear forces on nails with bending stiffness. 기존 쏘일네일사면 설계법들은 보강재, 주변지반 또는 이들의 상호작용에 대하여 각기 다른 가정들을 적용하고 있다. 다수의 방법에서는 단순하게 쏘일네일의 인장력만을 고려하여 이를 외력으로 적용하여 안정해석을 하고 있다. 하지만 쏘일네일사면은 사면을 구성하는 지반에 비하여 상대적으로 큰 휨저항성을 가지므로 쏘일네일의 휨강성을 고려한 안정해석법이 보다 현실적이고 공학적인 설계이다. 본 논문에서는 쏘일네일사면 설계시 쏘일네일의 휨저항성을 고려하며 이때 지반의 극한수평 지지력에 따른 변화를 확인하고 이를 이용하여 수정된 FHWA 쏘일네일사면 설계법을 제안한다.
시화지구 연약점토의 광물학적 특성과 공학적 특성의 상관관계
김낙경,박종식,주용선,Kim Nak-Kyung,Park Jong-Sik,Joo Yong-Sun 한국지반공학회 2004 한국지반공학회논문집 Vol.20 No.9
국내 연약지반 활용을 위한 효율적이고 경제적인 안정처리 공법의 선정과 설계 및 시공을 위해서는 대상지반의 특성을 파악하는 것이 대단히 중요하다. 본 연구는 시화지구 연약점토의 물리적, 역학적 특성과 광물학적 특성을 파악하여 연약점토의 물리적, 역학적 특성과 광물학적 특성과의 상관관계를 알아보는 데 그 목적이 있다. 본 연구에서 는 연약점토의 광물학적 특성을 파악하기 위하여 X선 형광분석, X선 회절분석, 주사전자현미경분석과 에너지분산미분석 실험을 실시하였으며 시화지구 연약지반의 시추조사결과, 실내시험 및 현장시험결과와의 상관관계를 알아보았다. 또한 시화지구 연약점토의 특성을 양산과 군산 지역 연약점토의 특성과 비교하였다. The characteristics of soft clays are very important for the land development plan. This study is to investigate correlations between the engineering properties and the characteristics of clay minerals of the undisturbed clay samples obtained from Sihwa area. This study included X-Ray diffraction analysis, X-Ray fluorescence spectrometer analysis, scanning electron microscopy analysis and energy dispersive X-Ray spectrometer analysis. The correlations between the clay mineral properties and the laboratory and field testing results were investigated. The characteristics of soft clay in Sihwa area were compared with those in Yangsan and Kunsan area.