• Title/Summary/Keyword: wall-type apartment

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A Study on the Energy Consumption Characteristic by Building Envelope of Apartment Housing in Busan Metropolitan City (부산광역시 공동주택의 외피구조에 따른 에너지 소비특성 분석)

  • Yee, Jurng-Jae;Kim, Hwan-Yong;Kim, Seung-Hee
    • Journal of the Korean Solar Energy Society
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    • v.34 no.4
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    • pp.75-81
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    • 2014
  • In this paper we made energy consumption units of glass curtain wall type apartment and general apartment in Busan metropolitan city and compared energy consumption characteristics by building envelope. The monthly electricity consumption units of general apartment were shown in the range of $1.16{\sim}1.51kWh/m^2{\cdot}mon$ which were indicated higher value in January, February, August and September with little variation. On the other hand, in case of glass curtain wall type apartment, monthly electricity consumption units were represented in the range of $1.91{\sim}7.07kWh/m^2{\cdot}mon$ with significant fluctuations monthly, which were outstandingly high in July, August and September. The monthly city gas consumption units of general apartment were found to be in the range of $1.79{\sim}18.07MJ/m^2{\cdot}mon$, while glass curtain wall type apartment were within $0.94{\sim}19.91MJ/m^2{\cdot}mon$. City gas consumption units from December to March were shown highly in both type apartments. The monthly energy consumption units of general apartment were found to be within $14.23{\sim}30.69MJ/m^2{\cdot}mon$, while glass curtain wall type apartment were within $24.49{\sim}68.9MJ/m^2{\cdot}mon$. Energy consumption units of glass curtain wall type apartment were suggested 4.84 times higher than those of general apartment.

A Study on the Improvement of the Floor Impact Sound Insulation Performance in Wall Slab Type Apartment (벽식구조 공동주택의 바닥충격음 개선에 대한 연구)

  • Kim, Sun-Woo
    • KIEAE Journal
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    • v.12 no.1
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    • pp.73-81
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    • 2012
  • Floor impact sound has been most annoying for years among the noises which are produced in apartment. This study aims to analyze the improvement of floor impact sound by comparing the results of the test which was carried out for the wall slab type apartment and moment frame apartment, and also for the effect of advanced vibration isolation layer. Moment frame structure that main structure consists of column and slab has shown better performance for the heavyweight impact sound comparing with wall slab type structure which is general type in Korea. Stiffness of floor system was raised by reinforcing the stiffness of vibration isolation layer, and it was analyzed how much the floor impact sound performance was improved. The result showed that the reinforced floor had better performance than the existing floor system that uses lightweight porous concrete as vibration isolation material. In addition, a system used wire mesh in mortar showed improvement of floor impact sound than a system without wire mesh, and better performance for the frequency bands lower than 160 Hz which causes floor impact problem in wall slab type apartment.

The Success Factors of Scheduling Using the TACT Technique in Wall Type Apartment House Construction (벽식(壁式) 아파트의 택트공정(工程)계획의 성공요인 분석에 관(關)한 연구(硏究))

  • Kim Joon-Ho;Kim Gwang-Hee;Cho Hyung-Keun
    • Journal of the Korea Institute of Building Construction
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    • v.6 no.1 s.19
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    • pp.79-86
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    • 2006
  • Recently, the construction companies show lots of interest in reducing the construction duration of apartment housing project in Korea. Therefore, the purpose of this study is to investigate the success factors of scheduling using the TACT technique in wall type apartment house construction for managing the construction schedule effectively. For appling the tact scheduling technique to wall type apartment house construction, the success factors can be summarized as follows : (1) zoning the horizontal and vortical work area properly, (2) preparing the flow chart of finishing works, (3) minimizing the undefined activity like chipping off the concrete wall, (4) reordering the construction activities for keeping up the continuity of works in winter season, (5) dividing the amount of work for minimizing the delay time of any activity, etc.

Analysis on Landscape Characteristic of Entrance Spaces in the Apartment Complex - A case study of 'Award of Good Apartment to Living' in the Capital Region - (공동주택 아파트 진입부 경관특성 연구 - 수도권 '살기좋은 아파트 수상'단지를 중심으로 -)

  • Lee, Gyeong-Jin;Lee, Gi-Woo
    • KIEAE Journal
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    • v.8 no.6
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    • pp.47-55
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    • 2008
  • The purpose of this study is as follows. 1) An element to organize the landscape of an apartment entrance space and setting up, a characteristic of landscape through the actual condition analysis. 2) The characteristic of the type analysis and classified the shape of the entrance as the type. 3) The degree to like the landscape analysis through the making up question. The result of this research is as follows. The entrance of the apartment complex of 71 as of 92 and set an element to organize the landscape and the characteristic of landscape through the frequency analysis and divided an entrance landscape of apartment into 4 types through the cluster analysis. An entrance landscape of apartment types of the entrance is classified as follows. 1) Type I: A model wall-fence type, 2) Type II: The side constructing a building-fence type, 3) type III: The side constructing a building-retaining wall-mixing tree type, 4) type IV: The moulding constructing a building-a retaining wall type.

Classification of Explosive Demolition Methods Based on the Building Type and Dimension of Wall-slab Apartment Building (벽식 아파트의 주동 형태 및 규모에 따른 발파해체공법 분류)

  • Park, Hoon;Suk, Chul-Gi
    • Explosives and Blasting
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    • v.27 no.2
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    • pp.19-25
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    • 2009
  • According to increasing demands for a redevelopment of a wall-slab structure apartment, new explosive demolition methods, which are different from those for RC structure apartment, are requested. In this study, to provide basic design data on explosive demolition of wall-slab structure apartment, wall-slab structure apartments were classified according to building types and dimensions. Also adequate explosive demolition methods for wall-slab structure apartment are analyzed by using blasting pattern factors such as height(H), breadth(B) and length(L) of apartment.

A study on the quantity of shear-wall by seismic retrofit of wall-type apartment (벽식 아파트 내진보강을 위한 신설벽체 벽량에 관한 연구)

  • Jung, Woo-Kyung;Hong, Geon-Ho;Song, Jin-Gyu
    • Proceedings of the Korea Concrete Institute Conference
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    • 2006.11a
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    • pp.169-172
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    • 2006
  • Wall construction apartment built before 1988 years need internal examination reinforcement according to existing laws ans regulations at remodeling because do not earthquake resistant design. Established newly wall to interest paid back at the same time a the principal direction for wall construction apartment internal examination reinforcement, and satisfied internal examination standard because uses width displacement between floor. This study analyzes displacement value such as latitude and presented position of efficient reinforcement wall and wall quantity at earthquake resistant design of wall construction apartment.

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Study on Seismic Response of Wall-Slab Apartment Building Sturucture Considering the Stiffnesses of a Foundation-Soil System (기초지반강성을 고려한 벽식구조 아파트의 지진응답에 관한 연구)

  • 김지원
    • Proceedings of the Earthquake Engineering Society of Korea Conference
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    • 2000.10a
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    • pp.167-175
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    • 2000
  • Seismic analyses of structures can`t be performed without considering the effect of soil-structure interaction and seismic responses of a structure taking into account the stiffnesses of a foundation-soil system show a significant difference from those with a rigid base. However, current seismic analyses of apartment building structures were carried out assuming a rigid base and ignoring the characteristics of a foundation and the properties of the underlying soil. In this study, seismic analyses of apartment buildings of a particular wall-slab structural type were carried out comparing seismic response spectra of a flexible base with those of a rigid base and UBC-97. Wall-slab type low-rise or mid-height apartment buildings built on the deep soil layer showed a rigid body motion with the reduced seismic responses due to the base isolation effect, indicating that it is too safe but uneconomical to utilize the design spectra of UBC-97 for the seismic analysis of a wall-slab type apartment buildings due to the too conservative design.

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Experimental Evaluation of PC Non-Bearing Wall System for the Damage Control of RC Wall Type Apartments (RC 벽식 아파트의 손상 제어를 위한 PC 비내력벽 시스템의 실험적 평가)

  • Moon, Kyo Young;Kim, Siyun;Kim, Sung Jig;Lee, Kihak
    • Journal of Korean Association for Spatial Structures
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    • v.19 no.4
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    • pp.77-84
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    • 2019
  • This study introduces a newly developed PC non-bearing wall system to prevent the damage of RC wall-type apartments that have been heavily damaged by the 2017 Pohang Earthquake. In order to evaluate the performance of the developed PC non-bearing wall system, a static cyclic test is conducted. The prototype of test specimen is from the RC wall-type apartment which has been severely damaged by the 2017 Pohang Earthquake. The specimen with the conventional non-bearing wall system showed the similar damage of RC wall type apartment suffered from the Pohang Earthquake. In case of the specimen with the developed PC non-bearing wall system, cracks and damages were not transmitted between the walls due to the seismic slit and there were almost no cracks in the non-bearing walls. Therefore, the proposed non-bearing wall system, separated from the structural walls, could prevent spreading cracks to bearing walls and make it possible to effectively control damage due to earthquake loads.

An Effect of the Change of Orientation and Window Area Ratio upon Building Energy Requirement in Apartment Housings (공동주택 향별 창면적비 변화에 따른 에너지 영향도 분석)

  • Kim, Jae Moon;Lee, Gyu Chul;Lee, Seung Gyu;Kim, Min Sung;Min, Joon Ki
    • KIEAE Journal
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    • v.13 no.2
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    • pp.21-26
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    • 2013
  • Due to the increasing concerns about the buildings which have affected the global environment, most countries have enacted a regulation for the sustainability of domestic buildings. In 2008, the Korean government started to enact a regulation of apartment and office buildings for energy saving. Many research on the sustainable apartment building focuses on $84m^2$ or larger type in response to market demand; therefore, small size type such as $46m^2$ type needs to be researched. In addition, the research on the orientation and window to wall ratio of the building have been separately studied as a means of energy reduction; therefore, the research on correlation of the orientation and window to wall ratio hasn't been fully explored yet. This paper analyzes the energy demand of the apartment building as the change of orientation and window to wall ratio among $46m^2$ and $84m^2$ type. In conclusion, when reducing the window to wall ratio, energy demand was reduced, except when the orientation of the building was between from +10 to -20 from the south.

Post Evaluation on the Constructibility of the Lightweight Wall in Long Life Housing through Interview Survey (설문조사를 통한 장수명주택의 경량벽체 시공성 사후평가)

  • Lee, Hak-Ju
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2014.05a
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    • pp.188-189
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    • 2014
  • Recently, structural system of apartment building is changing from wall type to column type to accommodate various life styles of residents in Korea. Reinforced-concrete bearing wall structures have been mainly used in apartment construction since 1980's. It is impossible to remove the bearing wall in case of remodeling a house, so that the lightweight wall is needed to apply to the column type structure of the Long Life Housing. Therefore, the purpose of this study is to evaluate the construction performance of the wall. Constructibility reviews are performed throughout interview survey from builders who charge with managing the construction of the lightweight wall in field. This paper present that constructor prefer the bearing wall rather than the lightweight wall because of the schedule delay, difficulty of management, and lack of skilled labor. The results indicate what we should improve on the lightweight wall from now on.

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