• Title/Summary/Keyword: rural buildings

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Life Cycle Assessment of Rural Community Buildings Using OpenLCATM DB (OpenLCATM DB를 이용한 농촌 공동체 건축물 전과정평가)

  • Kim, Yongmin;Lee, Byungjoon;Yoon, Seongsoo
    • Journal of The Korean Society of Agricultural Engineers
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    • v.63 no.3
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    • pp.97-105
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    • 2021
  • Most of the rural development projects for the welfare of residents are mainly new construction and remodeling projects for community buildings such as village halls and senior citizens. However, in the case of the construction industry, it has been studied that 23% of the total carbon dioxide emissions generated in Korea are generated in the building-related sector. (GGIC, 2015) In order to reduce the emission of environmental pollutants resulting from construction of rural community buildings, there is a need to establish a system for rural buildings by predicting the environmental impact. As a result of this study, the emissions of air pollutants from buildings in rural communities were analyzed by dividing into seven stages: material production, construction, operation, maintenance, demolition, recycling, and transportation activities related to disposal. As a result, 12 kg of carbon dioxide (CO), 0.06 kg of carbon monoxide (CO), 0.02 kg of methane (CH), 0.04 kg of nitrogen oxides (NO), 0.02 kg of sulfurous acid gas (SO), and non-methane volatile organics per 1m of buildings in rural communities It was analyzed that 0.02 kg of compound (NMVOC) and 0.00011 kg of nitrous oxide (NO) were released. This study proved that environmentally friendly design is possible with a quantitative methodology for the comparison of operating energy and air pollutant emissions through the design specification change based on the statement of the rural community building. It is considered that it can function as basic data for further research by collecting major structural changes and materials of rural community buildings.

Investigation of blast-induced ground vibration effects on rural buildings

  • Oncu, Mehmet Emin;Yon, Burak;Akkoyun, Ozgur;Taskiran, Taha
    • Structural Engineering and Mechanics
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    • v.54 no.3
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    • pp.545-560
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    • 2015
  • In this paper, blast-induced vibration effects on buildings located in rural areas were investigated. Damages to reinforced concrete, adobe and masonry buildings were evaluated in Çatakk$\ddot{o}pr\ddot{u}$ and Susuz villages in Silvan district of Diyarbakir, Turkey. Blasting of stiff rocks to construct highway at vicinity of the villages damaged the buildings seriously. The most important reason of the damages is lack of engineering services and improper constructed buildings according to the current building design codes. Also, it is determined that, inappropriate blast method and soft soil class increased the damages to the buildings. The study focuses on four points: Blast effect on buildings, soil conditions in villages, building damages and evaluation of damage reasons according to the current Turkish Earthquake Code (TEC).

The Relationship between the observation distance, scale of buildings and the landscape preference by the landscape types in a suburban rural area (근교농촌의 경관유형에 따른 고층건물의 관찰거리 및 규모와 경관선호도와의 관계)

  • 심준영;김유일
    • Journal of the Korean Institute of Landscape Architecture
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    • v.25 no.1
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    • pp.112-123
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    • 1997
  • This study investigated the effect of high-rise buildings on the preference for rural landscapes. The study site was a Seoul suburban, Yong-in, which showed typical scenes of rural development. Slides used in the study were taken in Young-in along the national road 45(north-south) and national road 42(east-west). Forty slides reflecting typical characters of Young-in were selected. Among them, ten slides which were selected through factor analysis based on “ruralits”score were used as original slides. They represent ten landscape types. The simulation of original slides was based on the following aspects: a observation distance. number of buildings and landscape types. The preferences for the landscapes were tested by 200 respondents on 40 slides: Distance(2) ${\times}$ Landscape type(10) = 20 slides, Number of buildings(2) ${\times}$ Landscape type(10) = 20 slides. The following results are found: 1) When high-rise buildings are introduced into rural scenes, there are some vulnerable landscape types: the landscape with high “rurality”, the landscape with background skyline and the focal landscape. 2) The observation distance affects landscape preference. The hypothesis that the nearer the distance the lower the preferences, is accepted. However, there are some exceptions in 3 landscape types. 3) The hypothesis that the more the number of buildings, the lower the preferences, is rejected. The result is quite unexpected one. When a single building is introduced in natural scene, it draws more attention as a focal point than a group of buildings, and subsequently the visual impact is stronger.

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On the steel cost of circular flat-bottomed silos designed using the Eurocodes

  • Gonzalez-Montellano, Carlos;Ramirez, Alvaro;Gallego, Eutiquio;Ayuga, Francisco
    • Structural Engineering and Mechanics
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    • v.33 no.5
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    • pp.561-572
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    • 2009
  • Nowadays, Eurocodes have become the reference standards for silo design within the European Union. They include new procedures for load assessment and structural verifications aiming to design safer silos. However, many silo manufacturers are still reluctant to use them (or at least all their prescriptions) because of the loss of competitiveness they are experiencing in comparison with former standards. This paper shows how steel cost of flat-bottomed circular silos varies when different silo geometries and stored materials are considered. The influence of critical structural verifications on steel costs, such as buckling of the silo wall, were also analyzed and some conclusions and practical recommendations for silo designers were proposed.

A Study on Structural reinforcement suggestions for improvement of Seismic Performance of Masonry Buildings in rural areas (농촌지역의 조적조 건축물의 내진성능 개선을 위한 구조적 보강법 제안에 관한 연구)

  • Lee, Deog-Yong;Kim, Il-Jung
    • Journal of the Korean Institute of Rural Architecture
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    • v.15 no.4
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    • pp.51-58
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    • 2013
  • This study Masonry Buildings in rural areas, due to the lateral load resistance for seismic reinforcement method is proposed. Some of the proposed methods for reinforcement directly through finite element analysis to evaluate the change in frequency. The results for the following: This paper has the object of investigating natural frequencies of opening thick plates on Pasternak foundation by means of finite element method and providing Kinematic design data for mat of building structures. In this paper, vibration analysis of rectangular opening thick plate is done by use of Serendipity finite element with 8 nodes by considering shearing strain of plate. It is shown that natrural frequencies depend on not only Winkler foundation parameter but also shear foundation parameter, opening position.

A Study on the Organization of Space in the Municipal Council Facility (지방기초의회(地方基礎議會) 시설(施設)의 공간구성(空間構成)에 관한 연구(硏究))

  • Chu, Yeon-Cheol;Yoon, Choong-Yeul
    • Journal of the Korean Institute of Rural Architecture
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    • v.1 no.2
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    • pp.83-96
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    • 1999
  • The Buildings and facilities of municipal Councils of fundamental autonomous organization in various regions were made on the basis of its experiences in 1950s but lacked constructional sophistication and failed to comprehend their functions, resulting in several repairs and renovations after the dedications of the buildings. They also undermined the efficiencies of the worn and was a big drain on the budget of municipal councils. Furthermore, especially after the integration of rural and urban areas. Municipal councils in urban areas couldn't accommodate the increased staffs. Thereby, They used the established councils in the cities and countries and repaired and renovated other buildings of which were permitted as offices, decreasing the eligibility of the buildings for municipal councils. The poor constructional working conditions triggered new constructions of the buildings reserved only for municipal councils. The study finds out find out about the work of municipal councils and analyzes how the municipal council buildings are used as substitutional spaces, directing which way they should go in mapping out spaces. Resultantly, It becomes basic materials in constructing municipal buildings.

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Influence of spacing between buildings on wind characteristics above rural and suburban areas

  • Kozmar, Hrvoje
    • Wind and Structures
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    • v.11 no.5
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    • pp.413-426
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    • 2008
  • A wind tunnel study has been carried out to determine the influence of spacing between buildings on wind characteristics above rural and suburban type of terrain. Experiments were performed for two types of buildings, three-floor family houses and five-floor apartment buildings. The atmospheric boundary layer (ABL) models were generated by means of the Counihan method using a castellated barrier wall, vortex generators and a fetch of roughness elements. A hot wire anemometry system was applied for measurement of mean velocity and velocity fluctuations. The mean velocity profiles are in good agreement with the power law for exponent values from ${\alpha}=0.15$ to ${\alpha}=0.24$, which is acceptable for the representation of the rural and suburban ABL, respectively. Effects of the spacing density among buildings on wind characteristics range from the ground up to $0.6{\delta}$. As the spacing becomes smaller, the mean flow is slowed down, whilst, simultaneously, the turbulence intensity and absolute values of the Reynolds stress increase due to the increased friction between the surface and the air flow. This results in a higher ventilation efficiency as the increased retardation of horizontal flow simultaneously accompanies an intensified vertical transfer of momentum.

A Study on the Exterior Form Composition of Street Buildings considering Landscape Characteristics in Gyeongju (경주시 경관특성을 고려한 가로변건축물 형태구성에 관한 연구)

  • Choi, Moo-Hyun;Hyun, Taek-Soo
    • Journal of the Korean Institute of Rural Architecture
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    • v.10 no.1
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    • pp.83-92
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    • 2008
  • This study aims to examine the perceptual features of street buildings, which affect the urban scape, and establish design guidelines by types of buildings. According to this purpose, this study conducted document research, field survey through site visits and questionnaire survey for each subject. The field survey was carried out to study the exterior form characteristics of street buildings, and images of the streetscape in Gyeongju. For the questionnaire survey, the preference of 33 architecture-related people on the formal constituents of street buildings was investigated. The results of the document research, field survey and questionnaire survey were put together to elaborate the design guideline for urban street facade in historical city.

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Experimental and analytical study of a new seismic isolation device under a column

  • Benshuai Liang;Guangtai Zhang;Mingyang Wang;Jinpeng Zhang;Jianhu Wang
    • Earthquakes and Structures
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    • v.24 no.6
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    • pp.415-428
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    • 2023
  • Low-cost techniques with seismic isolation performance and excellent resilience need to be explored in the case of rural low-rise buildings because of the limited buying power of rural residents. As an inexpensive and eco-friendly isolation bearing, scrap tire pads (STPs) have the issue of poor resilience. Thus, a seismic isolation system under a column (SISC) integrated with STP needs to be designed for the seismic protection of low-rise rural buildings. The SISC, which is based on a simple exterior design, maintains excellent seismic performance, while the mechanical behavior of the internal STP provides elastic resilience. The horizontal behaviors of the SISC are studied through load tests, and its mechanical properties and the intrinsic mechanism of the reset ability are discussed. Results indicate that the average residual displacement ratio was 24.59%, and the reset capability was enhanced. Comparative experimental and finite element analysis results also show that the load-displacement relationship of the SISC was essentially consistent. The dynamic characteristics of isolated and fixed-base buildings were compared by numerical assessment of the response control effects, and the SISC was found to have great seismic isolation performance. SISC can be used as a low-cost base isolation device for rural buildings in developing countries.

A Study on the Roof Landscape Characteristics of Rural Villages - Focused on Road-Side Rural Villages - (농촌마을 지붕경관 특성에 관한 조사 연구 - 가로변 농촌마을을 대상으로 -)

  • Kim, Yun-Hag
    • Journal of the Korean Institute of Rural Architecture
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    • v.15 no.3
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    • pp.17-24
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    • 2013
  • This study examined and investigated architectural characteristics such as the use of buildings, the number of layers, and structure, and roof landscape characteristics such as roof types, materials, and color in rural villages which were located on the street on the assumption that the landscape of rural villages should be managed by considering visual aspects. The results were as follows. The commonest frequency was found in 'residence'(2/3) for the use of buildings and 'masonry structure'(2/3) for the structure. 'Wood structure' and 'light gauge steel structure(prefabricated structure)' were also commonly found. The results suggest that although many rural houses have partially improved by agricultural and fishery development projects and garden suburbs has been increased by city residents' desire for rural life, there have been still many old houses. Frequently used roof types were a gambrel roof and a hipped roof. Roof materials were mixed in several materials such as tiles, slate, panels, color steel plate, reinforced concrete, and asphalt shingles. Roof color was also mixed in several colors such as reddish N7 and N0.5 of Neutral color, 10R3/6 and 10R3/10 of R color, 7.5B4/10 and 7.5B7/8 of B color and 5G8/6 of G color. The result suggests that roof color impedes the landscape of rural villages on the street. Based on the results, some roofs of rural villages were improved by the support of the government or the local governments but there are still many old roofs. The mixture of improved roofs and old roofs mainly contributed to impeding the landscape of rural villages and it was probably caused by the lack of systematic landscape plans by individual improvement of buildings. Therefore, it is necessary to devise systematic landscape plans in consideration of local identity and neighboring environment. In particular, the guideline for roof color influencing a street landscape should be established.