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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
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LHI Journal of Land, Housing, and Urban Affairs
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Journal DOI :
Land and Housing Institute
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Volume & Issues
Volume 7, Issue 2 - Apr 2016
Volume 7, Issue 1 - Apr 2016
Selecting the target year
A Study on Construction of Management System for Efficient Management and Application of Regional Development Project
Kim, Nam-Jung ;
LHI Journal of Land, Housing, and Urban Affairs , volume 7, issue 1, 2016, Pages 1~8
DOI : 10.5804/LHIJ.2016.7.1.001
This research has its objective in searching for a management plan that is stronger than existing plan for the regional development project in time for the execution of "Regulations on Regional Development and Support". Accordingly, the following plans for improvement are suggested to make improvements in lack of regional development projects management awareness; absence of integrated management system; and lack of reliability in project management information. Firstly, the management of regional development project needs to be operated as a system for project evaluation management based on related legislations. Secondly, various information of regional development project should construct a database, which becomes an information system that can be utilized by the central government and regional governing organizations. Third, to promote efficiency in regional development project management and expertise, it is necessary to prepare a project management system utilizing professional outsourcing organizations and such. Lastly, it is necessary to improve the work environment to enhance the expertise and the responsibilities of those government officials in charge of the project.
Construction of Information System for Promoting Overseas Urban Development
Jeong, Yeun-Woo ;
LHI Journal of Land, Housing, and Urban Affairs , volume 7, issue 1, 2016, Pages 9~18
DOI : 10.5804/LHIJ.2016.7.1.009
This research aims to build a total information system that systematizes existing sporadic information, which may lead to revitalization and efficiency of overseas urban development. To achieve this, this study firstly analyses the current information systems for urban development in foreign countries and information from the private sector. The results show that the information system that operates in the domestic agencies, are less likely to involve the contents related to information sharing, social network building and business process. However, that used in agencies ordering the overseas urban development projects, mostly provides the information of professionals, project participants and their business. Second, this research selects the information to be provided by the integrated information system and proposes a data collection plan. The information, required to push forward urban development in abroad, is classified into seven categories. Third, this study establishes a target model of comprehensive information system and makes suggestions for institutional improvement. For doing this, it categorizes overseas urban development information, links to classified information, organizes the system into three stages to services through informational channels, and then suggests a target model. Furthermore, it proposes institutional improvement to achieve efficiency of information systems through a comprehensive review of the similar cases such as administrative system of architecture(Seumter) and land information system.
Utilizing Spatial Big Data for Land and Housing Sector
Jeong, Yeun-Woo ; Yu, Jong-Hun ;
LHI Journal of Land, Housing, and Urban Affairs , volume 7, issue 1, 2016, Pages 19~29
DOI : 10.5804/LHIJ.2016.7.1.019
This study proposes the big data policy and case studies in Korea and the application of land and housing of spatial big data to excavate the future business and to propose the spatial big data based application for the government policy in advance. As a result, at first, the policy and cases of big data in Korea were evaluated. Centered on the Government 3.0 Committee, the information from each department of government is being established with the big-data-based system, and the Ministry of Land, Infrastructure, and Transport is establishing the spatial big data system from 2013 to support application of big data through the platform of national spatial information and job creation. Second, based on the information system established and administrated by LH, the status of national territory information and the application of land and housing were evaluated. First of all, the information system is categorized mainly into the support of public ministration, statistical view, real estate information, on-line petition, and national policy support, and as a basic direction of major application, the national territory information (DB), demand of application (scope of work), and profit creation (business model) were regarded. After the settings of such basic direction, as a result of evaluating an approach in terms of work scope and work procedure, the four application fields were extracted: selection of candidate land for regional development business, administration and operation of rental house, settings of priority for land preservation, and settings of priority for urban generation. Third, to implement the application system of spatial big data in the four fields extracted, the required data and application and analytic procedures for each application field were proposed, and to implement the application solution of spatial big data, the improvement and future direction of evaluation required from LH were proposed.
Seismic Performance of Special Shear Wall with Modified Details in Boundary Element Depending on Axial Load Ratio
Chun, Young-Soo ; Park, Ji-Young ;
LHI Journal of Land, Housing, and Urban Affairs , volume 7, issue 1, 2016, Pages 31~41
DOI : 10.5804/LHIJ.2016.7.1.031
In this paper, we propose experimental results, which target the major variables that influence the structural performance of a wall, as well as the resulting seismic and hysteretic behavior. Results also provide the basis for the application of performance based design by identifying the nonlinear hysteretic behavior of the wall with boundary element details recently proposed in previous study by Chun et al(2011). From the experimental results, the crack and fracture patterns of a specimen, which adopt the proposed boundary element details, showed similar tendencies regardless of whether axial force or high performance steel bars is applied. Furthermore, results show that the maximum strength of the specimen can be predicted accurately based on the design equation proposed by the standard. In addition, with a higher axial force, there is a tendency that both the initial load and maximum strength increase as deformation capacity reduces, requiring consideration of the reduced deformation capacity due to a high axial force. For walls under such high axial forces, using high performance steel bars is a very effective manner of enhancing deformation capacity. Therefore, reinforcing the plastic hinge region with boundary elements using high performance steel bars is preferable.
Determining Major Items of Scheduled Maintenance for Apartment through Case Data: Focused on Improving the Establishment Standard for Long-term Repair Program
Song, Sanghoon ; Lee, Seok-Je ; Park, Seong-Sik ;
LHI Journal of Land, Housing, and Urban Affairs , volume 7, issue 1, 2016, Pages 43~51
DOI : 10.5804/LHIJ.2016.7.1.043
The long-term repair program is significant as the execution standard for apartment in repair construction, and provides the basis for effective facility management through appropriation reserve and preventive maintenance. Considering its importance, the government legislates the items, cycle, and ratio for long-term repair. However, the frequent changes, controversies on repair, and difficulties in using appropriation reserve are caused as the items have not been revised on time reflecting up-to-date construction technologies. In order to resolve these problems, it is required to improve the standard by evaluating the appropriateness of repair items throughout the analysis of actual conditions. This study aims to suggest the revision plan for the criteria with the major items based on the status identified by the actual long-term repair programs and historical repair construction data. To do this, the adoption ratios of items to program are reviewed by collecting the real cases of the long-term repair programs. Developing improvement plan was approached in two ways such as "exclusion method" deleting minimum unnecessary items and "selection method" sorting out items with high adoption ratio and evidence of repair in a positive manner. Aa a result, the major items were identified as 118 items and 73 items by exclusion method and selection method respectively from the current 147 items. The outcomes of this study are expected to contribute enhancing the practicality of the standard in that the regulation for long-term repair program should periodically reflect the status of currently applied construction methods and materials.
The Effect of Green Roof Load on the Structural Design of Roof Slab of LH Housing and Service Facilities
Lee, Bum-Sik ; Kwon, Hyuck-Sam ; Kim, Jung-Gon ; Kim, Ji-Hyeon ;
LHI Journal of Land, Housing, and Urban Affairs , volume 7, issue 1, 2016, Pages 53~63
DOI : 10.5804/LHIJ.2016.7.1.053
This paper contains structural analysis and design regarding how three types of green roof load affect roof slab design of LH housing and facilities. Based on the Structural analysis, an appropriate Roof slab rebar guideline and roof slab thickness have been set up for the green roof load which takes effect on structural design of roof slab. Result of structural analysis and design has been made as follows. Roof slabs can arrange the slab rebar(D10) within the 200~250mm disregarding the types of the green roof load and the pattern of green roof load; also, slab thickness can be designed within 150mm. Moreover, even if the concrete design strength of roof slab changes to 24, 27, and 30MPa, D10 rebar can still be arranged within 200~250mm, and 150mm for slab thickness. Two-way slab of commercial building was appeared to be arranged by slab rebar(D10) within 200mm and 150mm for slab thickness disregarding the soil type or the soil thickness of green roof.