• 제목/요약/키워드: Stone pagoda structure

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연약지반 특성을 고려한 석탑구조물의 구조해석 (Structural Analysis of Stone Pagoda Structure considering Soft Soil Ground Characteristics)

  • 김호룡;신효범;박영신;강명희;홍석일;김호수
    • 한국공간구조학회:학술대회논문집
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    • 한국공간구조학회 2008년도 춘계 학술발표회 논문집
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    • pp.70-73
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    • 2008
  • 연약지반의 깊이차, 연약대 및 경사면 등에 따른 지반침하의 영향에 의해 석탑구조물은 기울어짐, 변형과 균열현상 등이 발생함으로써 석탑구조물의 장기적인 보존에 문제점이 발생되고 있다. 하지만 국내의 경우 연약지반 특성을 고려한 상부 석탑구조물의 거동에 대한 연구는 미비한 실정이다. 따라서 본 연구는 연약지반 특성에 따른 역학적 분석을 통해 연약지반의 깊이차와 기울어짐 발생에 따른 영향을 고려하여 석탑구조물에 끼치는 구조적인 영향을 파악하고, 개별요소해석기법을 통해 연약지반 특성에 따른 석탑구조물의 구조모델링 및 구조해석을 수행하고자 한다.

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석탑 기단부 적심구성방법에 대한 특성 고찰 - $7{\sim}8$세기 석탑 중 해체 수리한 석탑을 중심으로 - (A study on characteristics of composition method of inner foundation in stone stupa)

  • 정해두;장석하
    • 건축역사연구
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    • 제16권5호
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    • pp.55-66
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    • 2007
  • Through analysing on construction cases of stupa built in A.D. 7,8th, I have researched about these : constructive methods of inner soil of stupa, spatial compositions, characteristics of structures, arrangements of inner soil and etc. And cases analysed are six ; Mireuksajiseoktap(stone pagoda of Mireuksa Temple site), Gameunsajisamcheumgseoktap(three storied stone pagoda of Gameunsa Temple site), Goseonsajisamcheungseoktap(three storied stone pagoda of Goseonsa Temple site), Wolseong nawolliocheungseoktap(five storied stone pagoda in Nawonri, Wolseong), Guksagokseoktap(three storied stone pagoda in Guksa valley), Giamgokseoktap(three storied stone pagoda in Giam valley). Additionally we researched about inner soil of Sacheonwangsaji tapji(basement of stone stupa site in Sacheonwang Temple site) to speculate on composition of Synthetically, the foundation could be divided as core space and outer space. ; the former as structural function and the latter as ornamental function. And the core area could be divided again as center column space and buffer space. The relationship between core spaces and its formation are as belows; First, according to the area of foundation and scale of stone pagoda, formations of core are differed. As the scale of stone pagoda goes bigger, and the area of foundation goes larger, the structure of stone pagoda comprised by center column type and layered-core which endure upper load independently. On the contrary, as the scale of stone pagoda goes smaller, and the area of foundation goes lesser, the structure of stone pagoda tend to use only center column to endure upper part. Second, spatial composition of core area is comprised as two spaces, one which endure upper load and buffer space which absorb side pressure and upper pressure. The buffer space tend to be used in case of those structures which could not endure side pressure or have lots of joint. In some cases, it was located below the cover stone of foundation and gained upper load. And in case that have not gained pressure from side stone, the buffer space are comprised by smalle stone or roof tile to get structural supplement.

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개별요소법을 이용한 미륵사지 석탑의 구조해석 (Structural Analysis of Stone Pagoda in Miruksa Temple Site using Discrete Element Method)

  • 김호수;정성진;홍석일
    • 한국전산구조공학회:학술대회논문집
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    • 한국전산구조공학회 2006년도 정기 학술대회 논문집
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    • pp.427-434
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    • 2006
  • The stone pagoda on the Miruksa temple site has a high value as architectural history, because this stone pagoda is one of the oldest and grandest stone pagodas which remain in Korea today. However, this stone pagoda has remained only six stones of the northeastern part, becased this stone pagoda was collapsed at past. Therefore, it is important to know the original structure and form of this stone pagoda. Hypotheses about collapse cause of this stone pagoda are presented as four cases: collapse by earthquake, collapse by fragility of ground, collapse by durability reduction, and collapse by lightning, On the basis of these four collapse hypotheses in this study, we investigate collapse phenomenon through the structural analysis using discrete element method and evaluate collapse causes of this stone pagoda.

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석탑구조물의 구조적 손상을 고려한 위험도 분석 (Risk Analysis Considering Structural Damages of Stone Pagoda Structure)

  • 김호수;김동관;전건우
    • 한국공간구조학회논문집
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    • 제20권4호
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    • pp.101-110
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    • 2020
  • In case of stone pagoda structures, the various construction types appear, and various damages occur due to exposure to the outdoors for a long time. Such damages can be classified into non-structural damages and structural damages. However, studies for the effects of structural damages on stone pagoda structures are insufficient. Accordingly, this study intends to perform structural modeling and structural analysis according to structural damages of stone pagoda structure, and to perform risk analysis through the fragility curve. So, we expects that this study gives a great contribution to the preservation and maintenance of stone pagoda structures under the various structural damages.

석탑구조물의 표면거칠기 및 충전재에 따른 석재접촉면의 구조특성 분석 (Structural Characteristics Analysis of Stone Contact Surface according to Surface Roughness and Filling Material of Stone Pagoda Structure)

  • 김호수;김동관;이승희;김덕문;조상순
    • 대한건축학회논문집:구조계
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    • 제34권6호
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    • pp.19-27
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    • 2018
  • The stone pagoda structure is treated as a discontinuous masonry structure, and the contact surface characteristics between stones is a very important factor in the discontinuum behavior analysis. So, it is necessary to find out material and structural characteristics of stone contact surface to perform the structural analysis for safety evaluation. Accordingly, it is important to analyze the material properties of stone surface and secure the structural characteristics through various contact surface states. Therefore, in this study, various test specimens applying the filler between the surface roughness and the stone in the contact surface treatment technique of the stone pagoda were manufactured, and compression test and shear test were carried out. Also, we analyzed the material and structural characteristics of the stone contact surface through the comparison of experimental results.

감은사지 삼층석탑 구조에 관한 연구 (A study on the structure of the Three storied Stone pagoda in Gameunsa Temple site.)

  • 남시진
    • 건축역사연구
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    • 제17권3호
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    • pp.7-21
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    • 2008
  • Three-story Stone pagodas in Gameunsa Temple site, one of the early staged stone pagodas, has been known as a standard of Silla stone pagodas. A stone pagoda is not only a stone art work and but also a stone architecture. In understanding the stone pagoda it is very important to be approached with technological side in which we can investigate the stone pagoda deeply and as well as to have been approached with art historical view. Also it needs that we should see the stone pagoda in view of structural safety. We can get many high technique from our ancestors who made Gameunsajiseoktap. 1. To reduce any deformation such as relaxation and sinking of members which is caused by a heavy load the members such as the lower tier of the base is made up of the foundation stone and side stone in each, comprising one stone. 2. A special construction method for connection between wall stone and column stone in stereobates was invented. It is to make column stone projected partially and wall stone be caved in that two members should be jointed well. This unique method is not used any longer after the three-story Stone pagodas in Gameunsa Temple Site. 3. In each side upper and lower member are not engaged as the size of roof stones and support stones of roof stones are different. It can be done for a distribution of perpendicular load and a prevention for relaxation of members. 4. It makes sure that to make upper ends of support stones 10mm lower was to be avoid upper loads to it judging from survey in disassemblying east pagoda. It proves that ancestors who made this stone pagoda had a technique to understand the structural matters to make small members as big as possible, not to engage in joint, to avoid in ends of members from upper load.

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경주 불국사 삼층석탑(석가탑) 파손원인에 관한 연구 (A Study on the Damage of the Three Storied Stone Pagoda of Bulguksa Temple in GyeongJu)

  • 지성진
    • 건축역사연구
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    • 제22권6호
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    • pp.47-58
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    • 2013
  • The purpose of this study is to analyze the cause of damage to the three storied stone pagoda of Bulguksa temple in GyeongJu. This report is attempted to making reinforcement and conservation plan through investigating and analyzing the cause of damage to that. The damage is caused by occurring of stress, degrading of stone strength, changing of underground soil structure, natural disasters and so on. Compressive stress, shear stress, bending stress and lateral pressure affected to the pagoda since built up. Ultrasonic examination data tells the strength of the stone. According to this result, strength of the stereobate stone materials is enough to support the weight of the upper ones. But we could found many other factors of the damage could consider, for example the problems occurred on building the pagoda construction and the weakness of the stone material(soft rock). And many environmental factors being changed in soil structure(subsidence of soil and degradation of bearing power of soil and freezing and melting of soil) can be seen as the cause of the damage. Natural disasters like earthquake, lightning and heavy rain were also thought to give direct impact to the damage. At last Concentration of compressive stress caused the crack and exfoliation on the stone materials and shear stress, bending stress and lateral pressure were main causes of the stereobate stone materials shearing.

한국석탑의 세부 명칭과 의미 고찰 (A Study on the Name Details and Meaning of Korean Stone Pagoda)

  • 천득염;정지윤;오창명
    • 건축역사연구
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    • 제27권3호
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    • pp.59-72
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    • 2018
  • The detailed names and meanings of Korean stone pagodas have not yet been properly studied or clearly defined. Therefore, an aim of this report is to compare the detailed names of Korean, Chinese, and Japanese stone pagodas by focusing on content used previously by Ko and his students and content that is currently in use (i.e., since the Japanese colonial era). Additional objectives are to assess the significance of these names and propose an appropriate detailed draft regarding names of stone pagodas. The discussion will proceed by dividing the stone pagoda into three parts: the podium, main structure, and finial. First, the content in Luo Zhewen(羅哲文)'s "Ancient pagodas in China(中國古塔)" (1985) is considered; then, "朝鮮の石塔" (1943)-published by during the Japanese colonial era-is explored. The thesis written by Yu-Seop Ko regarding Korea's first stone pagoda and the content in "A Study of Korean Pagodas(朝鮮塔婆의 硏究)" (1948), which contains Yu-Seop Ko's posthumous works published in book form by his student Su-Yeong Hwang, Heu-Kyoung Kim are examined. to pagodas that are used today, are compared and reviewed. Since Korea, China, and Japan influence each other, pagoda-related terms are shared to some extent. In this study, these were applied to stone pagodas, and names used thus far that have not drawn criticism were studied and proposed as suitable alternatives.

석탑 탑구(塔區)의 역할 및 변천에 관한 연구 (A Study on the Role and Transition of the Tapgu in Stone Pagoda)

  • 정해두;장석하
    • 건축역사연구
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    • 제19권1호
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    • pp.91-104
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    • 2010
  • Korea's stone buildings are varied in their types such as stone pagodas, stone lanterns, stone bridges, stoneworks, etc. These account for more than 30% over the entire cultural properties, but research achievements are lacking compared to wooden buildings. Accordingly, this study aims to identify the shape, role and transition of Tapgu, which had been used to set up boundary at a stone pagoda, one of the stone buildings. The 20th stone pagodas, which have relative accuracy in its forming year, have been studied around national treasure or treasure between 7th century and 9th century. There are a lot of different opinions about the role and meaning of Tapgu, and at this writer's option, Tapgu is defined as follows: First, each structure plays a different role. A structure to pass the load in the upper part to the ground can be seen as a stair or a pedestal, but a structure to form double foundations can be considered as Tapgu. Second, Tapgu can be used to divide areas with stones or stepping stones. As a result, the shape, role and transition of Tapgu is as follows: Firstly, when it comes to its shape, Tapgu includes flagstone type, belt type, double foundation type, compound type. Flagstone type had been used to set up boundary at stone pagodas by using foundation stone, belt type by keeping apart from stone pagodas, and double foundation stone by installing dual foundation stones. Secondly, Tapgu is considered to set up boundary in the case of flagstone and plate stone, and acts like a structure which can prevent surrounding area of stone pagoda from coming up while being stuck around stone pagodas. Belt type was installed only for the purpose of forming boundary. At the bottom, double foundation stone had been used to pass the load in the upper part to the ground in the same way as the foundation stone in the upper part, and the boundaries were set varying the size. Thirdly, when it comes to the transition of Tapgu, flagstone type of boundary stone had been installed in the 7th century, and belt type of boundary stone had been mainly installed in the 8th century. And double foundation stone had been installed in the 9th century. Comprehensively, flagstone type and belt type had been made around the 7th and 8th century when Tapgu was regarded important and stone pagoda started to be built. At the turn to the 9th century, the role of Tapgu had been increasingly losing in the construction of stone pagoda, and foundation stone started to appear.

석탑문화재 손상 유형 및 영향 요인에 따른 손상도 평가 (Damage Assessment According to Damage Types and Influential Factors of Stone Pagoda Structure)

  • 김호수;홍석일;전건우;김덕문;박찬민
    • 한국공간구조학회논문집
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    • 제18권2호
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    • pp.87-97
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    • 2018
  • Stone pagoda structures have continued to be aged due to the combination of various damage factors. However, some studies on nonstructural damage have been carried out, but assessment studies on structural damage have not been done in various ways. Therefore, in this study, structural and nonstructural influencing factors according to the damage types are classified and the damage assessment according to the structural influencing factors affecting the behavior of the stone pagoda structure is performed. In addition, the damage rating classification criteria for each type of structural damages or damage locations are presented, and the damage index is calculated by providing the criteria for the classification of damage according to the degree of damage to which the damage is caused. Therefore, this study can evaluate quantitatively the damage status of stone pagoda structures.