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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
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Journal Basic Information
Journal DOI :
Korea Institute of Ecological Architecture and Environment
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Volume & Issues
Volume 7, Issue 6 - Dec 2007
Volume 7, Issue 5 - Oct 2007
Volume 7, Issue 4 - Aug 2007
Volume 7, Issue 3 - Jun 2007
Volume 7, Issue 2 - Apr 2007
Volume 7, Issue 1 - Feb 2007
Selecting the target year
An Evaluation on the Sound Insulation Performance of Drywall for High-Rise Buildings
Lee, Sang-Woo ; Yoo, Ho-Chun ; Lee, Su-Yeal ; Jung, Gap-Chul ; Jung, Young-Min ;
KIEAE Journal, volume 7, issue 2, 2007, Pages 3~8
Recently, the structural system of public residential buildings has been changed from the reinforced concrete (RC) wall system to the (PC) wall and moment resisting systems. Thus, it is important to develop the suitable wall system in accordance with the trend of the modern structural system. This paper presents the basic study on the suitable boundary wall in high-rise buildings. The research also demonstrates the evaluation results on sound characteristics in the aspect of sound insulation. The evaluation of sound insulation capability for the commercialized wall structure was conducted based on literature survey while the measurement of sound insulation capability for the light-weght EPP concrete was performed in according to KS F2808 in laboratory. The main objective of this research is to propose the most suitable dry wall system as a sound insulation structure through the comparison and analysis of frequency characteristics and weight-acoustic attenuation.
Evaluation Methodology of View Right Using Graphic Programs
Moon, Ki Hoon ; Ahn, Hyun Tae ; Kim, Jeong Tai ;
KIEAE Journal, volume 7, issue 2, 2007, Pages 9~15
Right of view out is one of the most important environmental factors that provide biological comfort and physical stability. Construction of high rise apartment buildings have caused to increase view obstruction cases and conflicts. Generally, when a field of a vision is completely blocked by other building, the percentage of a view is 0% and if the percentage is over 40%, it is regarded as acceptable. Autodesk VIZ program and the authors'-developed program were applied to evaluate a view right in apartment buildings and its effectiveness was verified by comparing computer simulation with actual photos.
A Study on the Mitigation Policies for Urban Heat Island
Suh, Eung Chul ;
KIEAE Journal, volume 7, issue 2, 2007, Pages 17~23
While heat island has been recognized as an unique environmental nuisance in cities, the phenomenon tends to be regarded as an inevitable side effect on urbanization. Recently the nature of the heat island has been disclosed and efforts for the remedy have been discussed in many ways. Some pioneering actions have been taken to mitigate the strength of the heat island's intensity in several countries. After studies for the heat island and speculations on current pilot policies of 3 different countries has been done, mitigation policies for heat island has been suggested as followings. 1. Preservation of natural topography is essential because latent energy consumption(evapotranspiration) from the site is the single most important factor to mitigate the energy surplus caused by urban heat island. 2. Because current national zoning ordinance or building law can not effectively control the site specific local environment, heat island policy should be established or employed at local level. 3. Incentives for the mitigation should be adopted on the process of implementation because environment is public concern. 4. Wind can easily dissipate energy surplus which is the major driving force for heat island. Therefore local wind, the direction and intensity should be sustained and sometimes facilitated fully through policies.
A Study on the Analysis of the Water Quantity of the Rainwater Detention System based on the Planning Simulation in the Wonheungs' ecological park
Kim, Gi-Soo ; Lee, Tae-Gu ; Hwang, Hee-Yeun ;
KIEAE Journal, volume 7, issue 2, 2007, Pages 25~30
The purpose of this research is to analyze the water quantity of the rainwater detention system based on the Planning Simulation in Residential Areas. The contents of this research consists of two main parts. The first part is to calculate the supply water quantity of the rainwater detention system and the demand water quantity of the Wonheungs' ecological park. The second part is to analyze the difference between demand and supply of water quantity, based on the Planning Simulation, in the rainwater detention system. This research will contribute to the establishment of the environment-friendly site planning methods which increase the quality of residential environment in apartment housing.
A Comparative Analysis of Field and Slide Survey on Subjective Image of the Nightscape
Ahn, Hyun Tae ; Moon, Ki Hoon ; Kim, Jeong Tai ;
KIEAE Journal, volume 7, issue 2, 2007, Pages 31~37
Despite of many supportive research to the usefulness of slide evaluation on environment of outdoor lighting, study method of using slides have provoked many discussions of its manifestation of reality of field conditions. This study aims to compare the results of slide survey with that of field survey. Distant view and short range view of nightscape of Seoul were selected. Field measurement of luminance and chromaticity were conducted and questionnaire survey were conducted. Frequency analysis, T-test, factor analysis were conducted. Results shows that distant view and short range view of field survey have better visual atmosphere than slide survey. In addition, slide survey on distant view shows lowest values. Difference between field survey and slide survey on distant view is much bigger than the results of short range view.
A Study on the Pre-fabrication of Three-story Column Re-bars for Saving Construction Time of High-rise Buildings
Kim, Gwang Hee ; Kim, Jae Yeob ; Seo, Deok Seok ; An, Sung Hoon ; Choi, Hee Bok ; Jung, Beong Won ;
KIEAE Journal, volume 7, issue 2, 2007, Pages 39~46
A high-rise building construction in Korea has some problems in engineering, construction and management technologies although the high-rise building construction is recently booming. In addition, the lack of skilled construction labors is increasing, so the development for methods is needed to reduce the labors by prefabrication and mechanization. A re-bar work is one of very important works with regard to cost and schedule management in the high-rise building construction. Nevertheless, the re-bar work has some problems that it is needed many re-bars for joints linking and much time for lifting due to high-rise buildings, and it is difficult to level the skill of labors. So, in this study, the pre-fabrication of three-story height in column re-bars is proposed and the results of an implementation are analyzed and explored by a case study. As the results of case study, the pre-fabrication of three-story heights in column re-bars could reduce the cost in the re-bar work and accelerate the time in the structural frame work. In addition, the pre-fabrication of three-story height in column re-bars could solve the problems such as the waste of many re-bars for joints linking, and the lack of the skilled labors.
Preference of Consumers After Late 40's for Developing Future Home Network Services
Kim, Min Soo ; Lee, Yeun Sook ;
KIEAE Journal, volume 7, issue 2, 2007, Pages 47~55
Development of digital technology has become closely connected with housing environment. Especially for the matured population, it is very important because they need substantial support in their daily lives. Therefore, the purpose of this paper is to identify needs of digital network services for future housing development. Previous researches were limited to digital technology of network systems and its usages. On the other hand, this study focuses on not only the technology but services. This study consists of literatures review and empirical survey. The subjects were the mid-age and pre-elderly between 45 to 65. The analysis of this study results outlined as follows: First, the pre-elderly appeared to have, in general, positive perceptions about digital services of the housing environment. The results of needs for each space's, showed strongly in basic safety and aiding system for memories. Second, there are differences in needs according to respondent's characteristics such as sex, income, job, house type, experience in digital system. Third, there are differences between what they think and what they really responded in both spaces and services. It menas that present planning elements may not attractive and suitable to residents. Therefore it is necessary to redesign the services. In the future, the most important thing is, making comfortable space not convenient space. That is, excluding unnecessary elements and pick up the right ones for resident's real demands.
An Experimental Study on the Noise Reduction for Toilet Stool Plumbings in Apartment Bathroom
Baek, Eun-Sun ;
KIEAE Journal, volume 7, issue 2, 2007, Pages 57~62
Recently Among indoor noises plumbing noise from supply and drain water pipe is being pointed out as a annoying noise following to floor impact noise, and it is increasing the rate to point the noise due to the following several reasons: water pressure, vibration by fabricated structures and direct noise propagation from upper floor through ceiling This study aims to analyse the characteristics of toilet stool plumbing noise in apartment bathroom which are generated by crossing plumbings and elbows. And it analyse the effect of noise reduction by soundproofing and insulations which are covered at crossing plumbings. And also analyse the characteristics of noise about a type of elbows, crossing plumbing and result of dB(A). At last it provide a fundamental data for the purpose of reduction of plumbing noise in apartment.
Direction and Strategy of Experts-Knowledge Management System Development for Enhancing CM Services
Kim, Sun-Kuk ; Kim, Ah-Young ;
KIEAE Journal, volume 7, issue 2, 2007, Pages 63~70
Construction managers who are placed on the top of the construction production organization should exhibit its best knowledges concerning all aspects and control related members at every position properly. In case of CM firms in developed countries, they are equipped with a practical system of technology and management knowledge, and efficiently use the knowledge not only for novices but also experts. However, the domestic CM firms which are now at the lower level than those in developed country are not supported with the sufficient and systematic knowledge for CM tasks due to various reasons. Therefore, the objective of this study is to suggest the direction and strategy for the development of an experts-knowledge management system to enhance the construction productivity at the viewpoint of CM firms which conduct, manage and supervise various tasks of construction projects. Domestic CM firms would play a great role to enhance productivity and secure competitive advantage of project management as much as the firms in developed countries if experts-knowledge and information are supported by a computerized system.
A Study on the Development of High Performance Floor Impact Noise Insulation System
Jang, Jae-Hee ;
KIEAE Journal, volume 7, issue 2, 2007, Pages 71~76
For the many years the children's running noise has caused perpetual frictions between neighbors in apartment houses. For this reason the government established a regulation to reduce the floor impact noise, as a result almost all apartment houses have been enforced to use the floor structure with 210mm thickness concrete slab and 120mm thickness of floor heating system since July 2005. If do not want to apply this kind of system, a system which obtain the certification from the institution appointed by government must be applied. In this reason a lot of construction material companies and construction companies have been trying to develop the system with 180mm thickness concrete slab for the purpose of reducing the cost. To develop the optimized floor system, actual size test building were constructed and the materials related with reducing floor impact noise were composited and tested in the test building. Through this procedure the most effective system was found.
An analysis of domestic research trends on elderly environment planing
Lee, Yeun Sook ; Lee, So Young ; Kim, Mi Sun ; Lee, Jung Hwa ; Kwak, Yoon Jung ;
KIEAE Journal, volume 7, issue 2, 2007, Pages 77~85
Korean society expects to be changing into aged society more rapidly than any other countries due to low birthrate and increase in life expectancy. Increasing number of elderly and social problems of aging society have provoked increase in research on elderly environment. Elderly housing facilities and living conditions are significantly related to the quality of life for older persons. The purpose of this study is to systematically analyze empirical studies on elderly physical environments in Korea, find out research streaming and understand social backgrounds and to suggest future research problems. For this study, contents analysis was conducted. Articles of four academic peer reviewed journals published from 1986 to 2005 were units of analysis. Using a keyword through library database systems, the articles were systematically selected. As results, trends of research according to 4 periods were defined. Among them as major trends, expansion of the quantity, expansion to interior design features for older persons, more facility types for dependent elderly(assisted living facilities, facilities for elderly with dementia, long term care facilities) have appeared. This result showed some directions and implications on elderly facility planning and development.