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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
> Journal Vol & Issue
LHI Journal of Land, Housing, and Urban Affairs
Journal Basic Information
Journal DOI :
Land and Housing Institute
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Volume & Issues
Volume 3, Issue 4 - Oct 2012
Volume 3, Issue 3 - Jul 2012
Volume 3, Issue 2 - Apr 2012
Volume 3, Issue 1 - Jan 2012
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What Kinds of Lands Have Been Converted into the Urban Uses?: the Characteristics of Urban Land Development in the Case of Daegu Region
Kim, Jae-Ik ;
LHI Journal of Land, Housing, and Urban Affairs , volume 3, issue 2, 2012, Pages 111~116
DOI : 10.5804/LHIJ.2012.3.2.111
The primary purposes of this study are to identify the characteristics of land development in urban area through GIS and remote sensing techniques and to provide useful implications for urban spatial policy. To perform these tasks, Daegu metropolitan city and its vicinities were selected as a study area, and remote sensing data and attributed data were collected, organized and analyzed. This study focuses on the following three steps. First, it identifies the characteristics of land development in urban areas by utilizing multi-temporal satellite image data (Landsat TM, 1980, 1985, 1990, 1995, 2000 and 2005). Second, it tries to find an answer on a critical question concerning land use conversion, i.e., which land use leads expansion of urban area? Third, it derives implications for urban spatial policies based on these findings. The characteristics of the urban extents tell us that the main land use converted into urban use from non-urban uses is green areas. The public sector, central and local governments, leads the land use conversions of suburban lands as exclusive legal body to issue permission of land use change. Based on these findings, this study concludes that the more systematic and technically advanced management tools should be utilized for more effective spatial management for urban growth.
Location Analysis for Public Sector's Development of Mixed-Use Complex
Yoon, Jeong-Joong ; Lee, Duk-Bok ;
LHI Journal of Land, Housing, and Urban Affairs , volume 3, issue 2, 2012, Pages 117~126
DOI : 10.5804/LHIJ.2012.3.2.117
The purpose of this paper is to analysis spatial locations for public sector's development of mixed-use complex. The results of analysis of location characteristics and public sector's participation conditions are as follows. The central commercial district of new town, surroundings of new railway station, and old town center are likely to be appropriate in the case of a functional mixed-use considering acceptable use in accord with mixed-use complex. Development potential is also high at places such as railway adjacent area in old town and relocation of downtown improper facilities including previous three cases. And development of various size such as lot, block and district can be applied at central commercial district of new town, center and subcenter of old town, surroundings of new railway station. The result of analysis of public sector's participation conditions is appropriate in central commercial district of new town by public sector, relocation of downtown improper facilities and old site of transferring public facilities. They can be contribute to grow up new town by public-private partnership and to improve urban circumstances and publicness by development old site coupled with new site of transferring public facilities.
A Study on the Measures to Install of Management Organization for the Sustainable innovation Creation in Innovation City
Kim, Hong-Joo ; Kim, Lyun-Hee ; Lee, Young-Hwan ; Kim, Kyong-Sik ;
LHI Journal of Land, Housing, and Urban Affairs , volume 3, issue 2, 2012, Pages 127~136
DOI : 10.5804/LHIJ.2012.3.2.127
The Korean government designated 10 innovation cities throughout the country in 2005 in order to resolve concentration on the capital region and to promote balanced development of localities. An innovation city is a future-type city equipped with environment for innovation and high-quality settlement environment in terms of residence, education and culture by accommodating public institutions and facilitating close cooperation among companies, universities and research institutes. Thus, for the early settlement and activation of innovation cities, this study suggested a plan to operate the current innovation city business centers from a mid- and long-term viewpoint rather than for a limited time. Through this study, we attempt to establish the roles of the centers so that they can play central roles in the move of public institutions, the development of industry-university-research institute clusters, the creation of innovations, and the spread of innovations, which are the goals of the development of public institutions, after the sites have been prepared.
A Study on the Application of Welfare Service Type on the Basis of the Tenants Needs and Locational Characteristics in Each Housing
Roh, Sang-Youn ; Yoon, Young-Ho ; Cho, Young-Tae ; Lee, Ji-Eun ; Cho, Yong-Kyung ;
LHI Journal of Land, Housing, and Urban Affairs , volume 3, issue 2, 2012, Pages 137~146
DOI : 10.5804/LHIJ.2012.3.2.137
Within twenty years, Permanent Affordable Housing provided for people's security of housing in late 1980's yields the principles of equity with tenant's in new one supplied, thus being confronted by the requirements that existing welfare service for tenants should be improved. Reflecting on these, this study means to prepare the basic data for the welfare policy as applying welfare service types on basis of housing locational characteristics, tenants tier compared with welfare service needs of permanent affordable housing tenants. For achieving this aim, the range and mixed use mechanism of welfare service are investigated as reviewing the related research and findings. Based on this investigation, 7 types of welfare service(Independence, Half-support, Child care, Juvenile, Self-support, Social-mix, and Single household) are established. On the analysis of survey, the welfare service needs are investigated as grouping with locational characteristics and survey target. In addition, the welfare service types are reorganized by analysis of tenant's demographic and locational characteristic on each housing and are compared with tenants needs. Although, the demographic of permanent affordable housing generally shows that the tenants are constituted with aged people, the housing with high ratio of children and juvenile can be applied with Child Care type and Juvenile type. As a result of comparison, the ratio of independence type, juvenile type, and single household type are more on the large housing and housing on metropolitan area, and the ratio of half-support type and child care type are more on the small housing and housing on small city area.
Analysis of Apartment Design Elements for Applying the Health Care Service System according to the Degree of Independence of Elderly People
Lee, Ji-Eun ; Yoon, Young-Ho ; Park, Jung-Ah ; Kwon, Yoon-Ji ;
LHI Journal of Land, Housing, and Urban Affairs , volume 3, issue 2, 2012, Pages 147~157
DOI : 10.5804/LHIJ.2012.3.2.147
The Korean government required the mandatory ratio of public housing including the housing unit for elderly in February 2012 and the number of them is expected to increase accordingly. To prepare for an aged society, these enabling ubiquitous technology will be able to support efficient health care services, which was mentioned in various studies. Therefore, the aim of this study is to draw the design elements for an apartment for providing health care services according to the degree of independence of elderly people and to grasp the current situation and work out tactics by the evaluation of four actual cases. In housing unit in the elderly housing project, design elements supporting amenity improvement was rated to the highest importance, however, in reality, was reflected at lower rate while the risk management plan for public space was applied at the highest rate. Design elements required by new technology such as health monitoring and community management with outside world are still not reflected, however, in order to realize the concept of 'aging in place', health care services in various aspects should be considered in housing planning.
Improvement on Development Permit System after the Abolition of the Regulation against Continuous and Adjacent Development
Kim, Young-Woo ; Yoon, Jeong-Joong ;
LHI Journal of Land, Housing, and Urban Affairs , volume 3, issue 2, 2012, Pages 159~167
DOI : 10.5804/LHIJ.2012.3.2.159
The regulation of continuous and adjacent development was introduced to prevent unplanned and improper development and to protect environment in green zone and non-urban area that was deficient in infrastructure. Though it has been effective, it was repealed in 2011 by disorderly development problem caused by crafty tricks around restrictions. Alternatively, the Urban Planning Commission is now deliberating on the development permit, but there are still much to be resolved such as improper committee formation and abuse of power, insufficient green corridor preservation, a lack of use of planning information system, discordance between landscape management guidelines in laws, etc. Therefore, we suggest several ideas for improvement of development permit system as follows; intensive deliberation system in the Urban Planning Commission, integrated commission for green corridor prevention, early establishment of urban planning information system, making a development permission guideline to minimize discretional act of the Urban Planning Commission, etc.
The Effect of Construction Methods on Geothermal Exchange Rates of Cast-in-place Energy Piles
Park, Yong-Boo ; Nam, Yu-Jin ; Sim, Young-Jong ; Sohn, Jeong-Rak ;
LHI Journal of Land, Housing, and Urban Affairs , volume 3, issue 2, 2012, Pages 169~175
DOI : 10.5804/LHIJ.2012.3.2.169
In recent, there are many studies associated with energy piles to save initial construction cost for ground source heat pump system. In this study, to evaluate geothermal exchange rates two types (a connection type and a slinky type) of cast-in-place energy piles (PRD, 4.5m in depth, 1,200 mm in diameter) were constructed for the tests and their efficiencies were compared with numerical analysis results. As a result, starting with operation, geothermal exchange rate gradually decreases due to exchange of lower ground temperature. In the case of connection type, temperature difference is
in heating mode and
, in cooling mode, respectively. In addition, in case of a connection type, geothermal exchange rate in heating mode is 2,314W/m and in cooling mode, 252.2W/m whose value is 9% higher than in heating mode. In the case of slinky type, the average geothermal exchange rate in heating mode is 168.0W/m, which is about 27% lower than that of connection type.
Suggestion of Optimum PHC Pile for 15~40 Story Shear Wall Type Apartment Building
Lee, Bum-Sik ; Park, Jong-Bae ; Park, Yong-Boo ; Kim, Sang-Yeon ; Ha, Young-Bae ; Choi, Geong-Ryun ;
LHI Journal of Land, Housing, and Urban Affairs , volume 3, issue 2, 2012, Pages 177~185
DOI : 10.5804/LHIJ.2012.3.2.177
LH applies a uniformly standardized PHC Pile to 15~25 stories of Shear-wall type Apartment Building. Recently it is predicted that LH will construct over 30~40 story Apartment Building to keep varied project condition and faces urgent needs to save construction cost for improving its competitiveness. Therefore, structural analysis and design on the upper part and foundation of apartment building were carried out in this study by subdividing story of apartment building, e.g. 15, 20, 25, 30, 35, 40 stories. Reflecting the result of basement analysis and design, the economic evaluations are performed and the optimum diameters of PHC piles are suggested. The result of this paper is considered to be applied usefully for foundation design of LH apartment housing, and the suggested PHC Piles can be used effectively by increasing efficiency and saving the construction cost of foundation.
Evaluation on the Performance of Power Generation of Energy Harvesting Blocks for Urban and Housing Application
Noh, Myung-Hyun ; Kim, Hyo-Jin ; Park, Ji-Young ; Lee, Sang-Youl ; Cho, Young-Bong ;
LHI Journal of Land, Housing, and Urban Affairs , volume 3, issue 2, 2012, Pages 187~193
DOI : 10.5804/LHIJ.2012.3.2.187
A technology that newly attract attention in the area of energy-related study is the energy harvesting(or scavenging) technology. In this paper, the performance of power generation for the energy harvesting block with a combination of piezoelectric technology and electromagnetic technology among various energy harvesting technologies was investigated. The goal of this study is to evaluate on the applicability of our developed energy harvesting block into the field of urban & housing. First, we evaluated the performance of power generation for the multi-layer energy harvester at laboratory scale. Second, we described the features of our developed prototype module that includes amplification technologies to improve power density per module and evaluated the performance of power generation for the energy harvesting block in a variety of ways. From the test results, the developed product increased the performance of power generation up to 255% or 505% compared to the existing product and its superiority were shown. Finally, we suggested the direction for the improvement of the energy harvesting block module.
Seismic Evaluation of RC Special Shear Wall with Improved Reinforcement Details in Boundary Elements
Chun, Young-Soo ;
LHI Journal of Land, Housing, and Urban Affairs , volume 3, issue 2, 2012, Pages 195~202
DOI : 10.5804/LHIJ.2012.3.2.195
This paper summarizes the seismic performance of two shear walls with different reinforcement details in boundary elements. One is a special shear wall designed by KBC2009 and the other is a shear wall with improved reinforcement details in boundary elements, which is a newly proposed type of special shear wall. Experimental tests under cyclic reversed loading were carried out with two 2/3 scale shear walls which were modelled from the lower part of seismic-resisting shear wall in 22-stories wall-slab apartment building. The experimental results show that seismic performance of shear wall with improved reinforcement details was almost similar to that of special shear wall with respect to the moment-drift ratio. However, energy dissipation capacity and ductility were slightly different. Also, shear wall with improved reinforcement details in boundary elements satisfied the inter-story drift limit of 1.5% from KBC2009.