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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
Editor in Chief :
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
Earth Building Characteristic Analysis to Utilize in Architecture Plan
Lee, jang-hyuk ; Hwang, hey-zoo ; Kim, Jeong-Gyu ;
KIEAE Journal, volume 7, issue 4, 2007, Pages 3~8
This study is aimed to apply basic data to planning earth building through analyzing characteristics of earth building. For doing it, we investigated a research paper in advanced countries(New zealand, Australia, etc.) that has been used for earth building standards for a long time, and then we corrected inadequate standards that would apply our earth building environment. As a result, we can devide earth characteristics into three parts that are materials, plan, and maintenance and repair. First, as material selection is very important factor, a general plan is possible to change in accordance with what material is selected. These methods that made mud brick, pressed earth block, rammed earth, cob have been well used during the current 30 years in earth building. Second, the plan is composed of site select and architecture plan. In architecture plan, we should consider from foundation to eaves protection, and in site selection, consider sides of the environment and the social. Third, we should always check a periodical inspection through watchful observation because earth buildings need more time and efforts in maintaining and repairing than others.
A case study about exterior space design of apartments using Linear infiltration system
Moon, Soo-young ; Kim, Hyeon-soo ; Jang, Dae-hee ; Lee, Keon-ho ;
KIEAE Journal, volume 7, issue 4, 2007, Pages 9~15
As environmental problems and water-shortage phenomenon become a global issue, many states look for the effective method to use water resources. So, decentralized rainwater management is recognized as a new water management system that rainwater can be infiltrated and used on-site. But it is little difficult to build a park, lake, and forest for evaporating rainwater in city because the land price of city is very high. In order to build an excellent infiltration system for a dwelling and a park in Korea, KICT has developed Linear infiltration system. This infiltration system is consist of first flush treatment, storage and infiltration, overflow control system. These elements are connected closely and working as a combined system. A storm sewer can be changed by the linear infiltration system. This study is to show real application idea about Linear infiltration system with improving some detail in apartments. For this purpose, we devide application idea into the artificial ground and the natural ground and each ground type, suggest a method to cooperate with the other landscape and linear infiltration system. Through this study, we came to recognize a recognition difference of an expert and a commoner about decentralized rainwater management.
Perception of Glare Source According to the Luminance Difference on a Window Plane
Kim, Wonwoo ; Kim, Jeong Tai ;
KIEAE Journal, volume 7, issue 4, 2007, Pages 17~22
The existing discomfort glare models are based on research that was conducted exclusively with uniform luminance sources. It is impossible to apply the models to windows of non-uniform luminance. For evaluating discomfort glare from windows, the method selecting glare source on a window plane is necessary. This study was carried outto propose a practical method to choose glare source from anon-uniform window plane. In the experiment, the perception of glare source according to the luminance difference is examined using a simulated windowof non-uniform luminance. The surface of the window is divided into two or three parts, and different luminance is setting on each surface. The observers were asked to decide whether the lower part of the window can be perceived as a glare source or not. The result shows that the lower part is perceived as a glare source when the lower part has over 37% of the luminance of the upper part of the window divided into two parts, and when it has over 51% of the luminance of the upper part of the window divided into three parts. the results may be applicable to select the glare source in awindow.
A Study on the Improvement Plan for the Actual Conditions of use in the Street Facilities of Urban Street Space- With the commercial Street on the Jeonju City -
Park, Mi-Hwa ; Yu, Eung-Kyo ;
KIEAE Journal, volume 7, issue 4, 2007, Pages 23~30
In Korea, the top priority of the exterior space in the urban commercial street has been put on the road and parking for cars, not on the street for pedestrians, because of the lack of institutional urban planning, the land use of high density, the pursuit of maximum commercial profit, etc. Also, it is true that the form and facade of the street buildings which form the characteristics of the commercial street are regarded as the consumption-stimulating tool and, subsequently, are symbolized for commercial profit. This study starts from the recognition of reality, and, with the perspective of general plan for urban exterior space, tries to improve the environmental design of street space. Also, this study searches the ways to enhance the cultural, art, aesthetic and functional values of a city, as well as the ways to promote commercial activities and to perform commercial symbolism and pedestrian functions. This study aims at exploring the importance of street environmental design and the information of environmental design, so that the problems of current street environment, which generates the disorder and chaos of information, may be solved. Also, this study aims at promoting the continuous development for the future street environmental design and design plan.
Analysis on Luminous Environment and Subjective Image of Two Different Commercial Streets at Night - Focused on View Point of Pedestrian -
Shin, Ju Young ; Kim, Jeong Tai ;
KIEAE Journal, volume 7, issue 4, 2007, Pages 31~38
Streetscape plays on important role in urban cities. Characteristics of streets is basically defined by the building facade, signs, plants and paving during the daytime. However at night, street receives a new appearance due to the shop light from the buildings, exterior lightings, signboards and street light, and it creates most of the image of the streets. This study aims to analyze the luminous environment and its subjective image of two different pedestrian's commercial streets. Insa-dong street and Myungdong street were chosen for the study. Horizontal illuminance and luminance on building surface, advertisement billboards and pedestrian road were measured. Thirty students were asked to rate the five scaled questionnaire on their subjective images of the streets. Statistical analysis including profile, correlation and T-test are conducted and some findings are discussed
A Study on the Effect of CO
in Condition of Indoor Air Quality Control Using Plants
Lee, Kyu-In ; Kwon, Min-Jae ;
KIEAE Journal, volume 7, issue 4, 2007, Pages 39~44
The purpose of this research is to study security of
exhaust at night in indoor air quality purifying system using plants. For this purpose, two same units for experiment were built, and difference of
exhaust by existence and nonexistence of plantation were measured. To reduce error by entrance of people, automatic measurement system were developed and used. At first, baseline were measured to check standard value, and next,
exhaust by plantation were measured. As a result, in baseline experiment, values of all spaces were steady as 400~500 ppm. When plantation was set-up, value of
at night was measured high as 150 ppm, and maximum value was around 600 ppm. This result is a lot lower than maximum standard of
, 1000 ppm.
A Study on the Correlation of Development Conditions and Physical Quality Indicators of Green Space in Apartment Housing
Kim, Gi-Soo ;
KIEAE Journal, volume 7, issue 4, 2007, Pages 45~50
The purpose of this research is to analyze the residential environment based on the physical quality indicators of green space in apartment housing through the case study of 36 housing estate samples which were built in 1994-1998. The contents of this research consists of two main parts. The first part is to analyze the characteristics of residential environment based on the quality indicators of green space in apartment housing. The second part is to analyze the Correlation of Development Conditions and Physical Quality Indicators of Green Space. This research will contribute to the establishment of the site planning methods which increase the quality of residential environment in apartment housing.
A Study on Improving Ventilation Performance in High-rise Residential Building by Natural Ventilation System
Choi, Taehwoan ; Kim, Yu-Mi ; Kim, Taeyeon ; Leigh, Seung-Bok ;
KIEAE Journal, volume 7, issue 4, 2007, Pages 51~56
This study focuses on developing natural ventilation system which is able to satisfy the good indoor air quality and air speed. The natural ventilation system developed in this study is for double window façade and it has two operation modes for summer and winter. Operational sections of the devices have been analyzed by CFD simulation to calculate discharge coefficients of openings and estimated indoor air speed. For the analysis of the appropriate installation area ratio for each room and the optimum installation area, TRNFLOW simulation has been used. As the results, we could see that the natural ventilation system can provide the similar pollutant removal performance to 0.7 ACH of mechanical ventilation with appropriate installation area and installation area ratio.
A Study on the Simulation of Natural Ventilation Effect for Single-sided Casement Window as Opening Types
Choi, Taehwoan ; Kim, Taeyeon ; Leigh, Seung-Bok ;
KIEAE Journal, volume 7, issue 4, 2007, Pages 57~62
At the moment, the reduction of building energy consumption is a unavoidable task of mankind for conserving global environment. Decreasing overall U-value of building envelope and air infiltration, especially in Korean climate condition with clear four seasons, are the obvious solutions for the objective. Thus low glazing ratio with small window openings are required for heating and cooling load reduction in buildings. Using larger window openings could provide better natural ventilation but it also increases the direct solar radiation penetration into indoor space, heat gain in summer and heat loss in winter. On the other hand, the ventilation rates decreasing problem with smaller window openings could be occurred. As a solution for it, the use of casement window can cause increasing natural ventilation rates by wing wall effect. This paper focuses on deduce the most efficient opening type of casement window in Korean climate. To estimate ventilation performance of each opening types, CFD simulation was used. The best performance of opening type in every wind direction is opening both windows to the center and the most appropriate opening type for Korean climate is also opening both windows to center.
The responses on elderly shared group house as a socially integrated housing alternative in aging society
Lee, Junghwa ; Lee, Yeunsook ; Lee, Soojin ;
KIEAE Journal, volume 7, issue 4, 2007, Pages 63~74
While the importance of social integration has been mainly emphasized in the fields of social welfare services for the elderly, disabled and lower income citizens, many types of elderly housing had been developed in a way of segregating the elderly from society rather than integrating. Meanwhile, shared group house may allow older people to 'age in place' within the communities where they used to live by providing them with social, economic and practical benefits. The purpose of this study is to carry out empirical research on responses to elderly shared group house. Interview survey with questionnaire was conducted among 138 elderly people between 60-75 years old, living in Seoul and its metropolitan area. Responses of the elderly included awareness, perception and preference. It was revealed that the respondents had negative perceptions on existing shared group house in Korea. Most of the respondents showed preference to moving into socially-integrated type of shared group houses developed within their communities. This study indicated the potential of such type shared group house to become a favorable housing alternative for elderly people which supports their sustainable independent living within community.
A Study on Characteristic of Super-Tall Mixed-Use Residential Building in the Outdoor Transition Zone
Kim, Kyoung min ; Je, Hae seong ;
KIEAE Journal, volume 7, issue 4, 2007, Pages 75~80
The purpose of this study is to analyze architectural plans of lower part of super tall mixed-use residential building for understanding its functions for urban. The area of this research are limited to super tall mixed-use residential building which were built in Seoul, Kyoung-gi area, and new towns. For this purpose, theories for super tall mixed-use residential building and non-housing parts were researched, and characteristics of selected cases for field research were analyzed by studying drawing materials. The research focused on scale, type of building, included programs for public spaces, and characteristics of location. As a result, every cases were designed as 'outdoor transition zone-centered type', and for urban function, non-housing facilities were condensed to increase convenience. In addition, ratio of non-housing part were incresesed with public spaces design for residents, and various programs were inserted.
A case study on the adequacy between student residence and living behavior of the hearing impaired
Kwak, Yoonjung ; Kim, Kyoungyeon ; Lim, Jeanny ; Lee, Yeunsook ;
KIEAE Journal, volume 7, issue 4, 2007, Pages 81~89
The changes of social climate in respecting differences and needs of each diverse groups and human equality have caused the disabled to persue quality of life, through enabling their lives more independent. The purpose of this research was to find out adequacy of the residence and living behavior of the hearing impaired. Though this reach it was expected to find out environment features which have become obstacle in maintain their life independent in normal way and the way of improving their environment. Small group workshop with three hearing impaired persons was implemented. Living behavior and physical environmental characteristic of dormitory and interaction between them were identified. The need of non auditorial communication for the hearing impaired found far beyond required guidelines of the disabled Act. Design professionals need more profound knowledge with and ethical and humanistic attitude to find and satisfy the need of disabled.
A Case Study on the Common Space in the Dormitory Buildings on Campus - Particular Reference of Newly Built Dormitory of A University -
An, Jin-o ; Je, Hae-seong ;
KIEAE Journal, volume 7, issue 4, 2007, Pages 91~96
This study aims to suggest design data for planning university dormitories to meet the needs of the occupants' through field survey and questionnaire survey at the sampled dormitories in A University in 2006. and the purpose of this study is to suggest program of the suitable common space in the dormitory buildings on campus, especially referred to newly built dormitory of A university. In conclusion, Living space accounts for 56.17%, studying space accounts for 1.86%, well-being support space accounts for 2.49%, convenience support space accounts for 8.35%, management space accounts for 3.08% of the whole area in the program of newly built dormitory.
Development Strategies of Construction Management Firms in Korea
Han, Kap Ky ; Kim, Sun Kuk ;
KIEAE Journal, volume 7, issue 4, 2007, Pages 97~104
Competition among building contractors in the Korean construction environment has been increasing lately, and with the recent conclusion of the FTA between Korea and the United States, further advancement in the systems of construction, bidding and contract awarding is expected to be facilitated in the long term. Considerable changes are also expected particularly in the construction management (CM) market. Given these drastic changes, it has become more noticeable that the role of CM is enlarged in terms of time, cost, quality, risks and others to guarantee the Korean competitiveness against the global construction market. This study analyzed the current status of domestic CM companies via SWOT analysis and, based on such analysis, established development strategies for CM contractors. The strategies proposed in this study will be utilized by CM companies as basic materials in their future strategies in a short, mid and long term perspective respectively for competitive advantages in the market.
Confined Effect of Ultra High Strength Reinforced Concrete Tied Columns
Han, Byum Seok ; Shin, Sung Woo ; Kim, Tae Soo ;
KIEAE Journal, volume 7, issue 4, 2007, Pages 105~111
As this study investigates the influence about type of transverse reinforcement, spacing of transverse reinforcement(s), volumetric ratios of transverse reinforcement(
) of ultra-high strength concrete columns. It try to offer to resonable basic data of the confined model for the ultra-high concrete of in reinforced concrete columns. Experimental tests with large scaled columns were conducted under concentric axial loads. The ultra-high strength concrete (100MPa) was used. From this test result, it evaluate influence of the strength enhancement and ductility enhancement, important variables about behavior of the confined concrete by confinement of ultra-high strength reinforced concrete.There are two ways to improve the confinement effect of high strength concrete columns through the increase of amounts and/or strength of transverse reinforcement.
An Experimental Study on the Sustainable Performance of Concrete through the Quantitative Analysis of Carbon Dioxide Absorption
Choi, Jin Young ; Lee, Han Seung ; Kyung, Je Woon ; Lee, Sang Hyeon ; Yang, Nae Won ;
KIEAE Journal, volume 7, issue 4, 2007, Pages 113~118
From the construction material the cement and the concrete which will reach to 90% are used to construction. But the cement occurrence (from the whole industry 4.4% of carbon dioxide exhaust quantity) makes the carbon dioxide of manufacture hour and anti- the recognition which is an environment industry. The cement absorbs the carbon dioxide during life period of the life time. It calls carbonation. In this study in order to evaluate the carbon dioxide absorption of the cement test produced the mortar specimens which it follows in the W/C. And carbonatable material of mortar specimens (calcium hydroxide) the quantitly it measured, reference study it led and absorption of carbon dioxide quantity it produced. Finally two result comparisons leads and it is a fundamental study which does the test evaluation possibility and a propriety investigation of carbon dioxide absorption quantity in objective.
A Fundamental Study on the Development of Fire Resistance Filling of Friendly Environment Using Aerated Concrete
Lee, jong-il ; Lim, Nam-Gi ;
KIEAE Journal, volume 7, issue 4, 2007, Pages 119~126
In this study, we processed two procedures of application test of filler for fire-resistance utility that are new application methods of aerated concrete and properties test of aerated concrete according to mixing ratio because we investigated the better use of aerated concrete as filler for fireproof safety and we proposed basic data about standardization of mixing of aerated concrete. We measured flow and volume change of aerated concrete. And if its volume doesn't change, we added measuring unit weight and compressive strength. To test application of aerated concrete as filler for fireproof safety, we filled up aerated concrete to fireproof safety according to suitable mixing ratio. Then we measured maximum temperature of inner part of fireproof safety in accordance with the standard test of fireproof. According to the results, aerated concrete as filler for fireproof safety could be possibly used. So when we make aerated concrete, we should consider using an adding agent as well as a foaming agent.
A Study on Corrosion Resistance of Reinforced Concrete Structures using Natural Inorganic Minerals
Tae, Sung Ho ; Park, Jae Young ; Kim, Jae Young ; Park, Jae Seung ; Kyung, Je Woon ; Nam, Ho Yoon ;
KIEAE Journal, volume 7, issue 4, 2007, Pages 127~133
As a fundamental study on the corrosion resistance of reinforced concrete structures using Natural Inorganic Minerals exposed to carbonation environment, The test specimens were concrete(W/C=60%) with Natural Inorganic Minerals content of 0%, 10%. Accelerated carbonation and autoclave corrosion accelerated curing were then conducted with them. The corrosion resistance of steel in concrete with Natural Inorganic Minerals content of 0%, 10% was examined by corrosion form, half-cell potential, polarization resistance, corrosion area and weight loss after 24 hours of autoclave corrosion accelerated curing.The results of the study showed that as for steel in concrete with Natural Inorganic Minerals content of 10%, the corrosion resistance was more excellent than steel in concrete with Natural Inorganic Minerals content of 0%.
A Study on the Physical Properties of MgO Board for Wall System
Kim, Soon-Ho ; Kim, Hong-Yong ;
KIEAE Journal, volume 7, issue 4, 2007, Pages 135~140
In this study we settled the trouble of the MgO board of existence by this research. We changed the wooden one of the main ingredient of a board to a perlite and a mineral particle in the aluminum hydroxide group and proceeded with a study to physical character and fire resistance efficiency improvement. The result yellowing phenomenon could be improved and it was possible to reduce size decrease of pin hole and the frequency of occurrence. We found out that the in case of absorbed amount added 5~8% corresponding to the weight decreases the acrylic group emulsion suddenly. So this product is improved with the bending strength and water-resistance. After behavior stop time measurement of a mouse for experiments was measured at the time of a gas harmful effect test, an improved MgO board appeared more highly for an average of 138 seconds compared with a board of existence.
Integrity Estimation of The RC Members Damaged by Corrosion of Main Rebar
Kwon, Dae Hong ; Yoo, Suk Hyeong ; Noh, Sam Young ;
KIEAE Journal, volume 7, issue 4, 2007, Pages 141~146
It is necessary to guarantee the safety, serviceability and durability of reinforced concrete structures over their service life. However, concrete structures represent a decrease in their durability due to the effects of external environments according to the passage of time, and such degradation in durability can cause structural degradation in materials. In concrete structures, some degradations in durability increase the corrosion of embedded rebars and also decrease the structural performance of materials. Thus, the structural condition assessment of RC materials damaged by corrosion of rebars becomes an important factor that judges needs to apply restoration. In order to detect the damage of reinforced concrete structures, a visual inspection, a nondestructive evaluation method(NDE) and a specific loading test have been employed. However, obscurities for visual inspection and inaccessible members raise difficulty in evaluating structure condition. For these reasons, detection of location and quantification of the damage in structures via structural response have been one of the very important topics in system identification research. The main objective of this project is to develope a methodologies for the damage identification via static responses of the members damaged by durability. Six reinforced concrete beams with variables of corrosion position and corrosion width were fabricated and the damage detections of corroded RC beams were performed by the optimization and the conjugate beam methods using static deflection. In results it is proved that the conjugate beam method could predict the damage of RC members practically.
Damage Detection of Building Structures Using Ambient Vibration Measuresent
Kim, Sang Yun ; Kwon, Dae Hong ; Yoo, Suk Hyeong ; Noh, Sam Young ; Shin, Sung Woo ;
KIEAE Journal, volume 7, issue 4, 2007, Pages 147~152
Numerous non-destructive tests(NDT) to assess the safety of real structures have been developed. System identification(SI) techniques using dynamic responses and behaviors of structural systems become an outstanding issue of researchers. However the conventional SI techniques are identified to be non-practical to the complex and tall buildings, due to limitation of the availability of an accurate data that is magnitude or location of external loads. In most SI approaches, the information on input loading and output responses must be known. In many cases, measuring the input information may take most of the resources, and it is very difficult to accurately measure the input information during actual vibrations of practical importance, e.g., earthquakes, winds, micro seismic tremors, and mechanical vibration. However, the desirability and application potential of SI to real structures could be highly improved if an algorithm is available that can estimate structural parameters based on the response data alone without the input information. Thus a technique to estimate structural properties of building without input measurement data and using limited response is essential in structural health monitoring. In this study, shaking table tests on three-story plane frame steel structures were performed. Out-put only model analysis on the measured data was performed, and the dynamic properties were inverse analyzed using least square method in time domain. In results damage detection was performed in each member level, which was performed at story level in conventional SI techniques of frequency domain.