• Title/Summary/Keyword: Korea Land and Housing Corporation

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A Comparative Study on Borehole Seismic Test Methods for Site Classification

  • Jung, Jong-Suk;Sim, Youngjong;Park, Jong-Bae;Park, Yong-Boo
    • Land and Housing Review
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    • v.3 no.4
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    • pp.389-397
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    • 2012
  • In this study, crosshole seismic test, donwhole seismic test, SPT uphole test, and suspension PS logging (SPS logging) were conducted and the shear wave velocities of these tests were compared. The test demonstrated the following result: Downhole tests showed similar results compared to those of crosshole tests, which is known to be relatively accurate. SPS logging showed reliable results in the case of no casing, i.e. in the rock mass, while, in the case of soil ground, its values were lower or higher than those of other tests. SPT-uphole tests showed similar results in the soil ground and upper area of rock mass compared to other methods. However, reliable results could not be obtained from these tests because SPT sampler could not penetrate into the rock mass for the tests.

A Study on the Problems and Improvements of Business Process in the Housing Market Information System (주택시장 정보시스템의 업무 프로세스 문제점 및 개선방안에 관한 연구)

  • Yang, Dong-Suk;Kee, Ho-Young;Byun, Wanhee;Sim, Hyeon-Jeong
    • Proceedings of the Korea Information Processing Society Conference
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    • 2017.04a
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    • pp.799-801
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    • 2017
  • 최근 주택시장과 관련되어 운영 중인 정보 시스템들(주택공급통계정보시스템, 건축행정정보시스템, 부동산거래관리시스템, 마이홈 등)로부터 생성되는 데이터들을 연계 활용하여 국가통계로서 정확성과 적시성을 확보할 수 있는 방안 마련이 요구되어지고 있다. 본 연구는 주택시장 관련 정보시스템의 업무 프로세스를 검토하고, 운영담당자로부터 문제점을 분석하여 개선방안을 제시한다.

Developing Technology Influence Matrix to Support Decision-making for Long-life Housing Planning - Focused on Exclusive Housing Unit of Long-life Housing -

  • Song, Sanghoon;Bang, Jong-Dae;Park, Ji-Young
    • KIEAE Journal
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    • v.16 no.1
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    • pp.47-55
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    • 2016
  • Purpose: Long-life housing causes unavoidable cost increase while providing higher durability, flexibility, and repair easiness compare to those of normal apartment. The effectiveness should be evaluated considering the level of passing mandatory Long-life housing Certification System when supplying specific size of apartment complex. Thus, it is essential to identify the estimated costs and the obtainable grade by applying the optional element technologies selectively during the design phase. This study aimed to suggest the technology influence matrix(TIM) to support decision-making of element technologies in planning stage of long-life housing. Method: The technology influence matrix was established based on the property information about applicable element technologies for long-life housing such as construction methods, interface types, cost data, and certification-related characteristics. The usefulness of TIM was verified through case study, in which TIM was applied to the exclusive housing unit and the influences from four areas of quantity, cost, certification, and schedule were identified and calculated. Result: TIMs covering four areas representing the essential planning factors were developed, and are expected to contribute to sound decision-making in planning long-life housing.

Establishment of Building Work Section of LH Guide Specifications (건축부문 LH 전문시방서 작성 방안)

  • Oh, Eun-Ho;Kim, Tae-Song;Lee, Kab-Won;Koo, Jai-Dong
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2011.11a
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    • pp.177-179
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    • 2011
  • The difference the guide specifications of between housing and land development has been caused many problems, since Korea Land Corporation and Korea Housing Corporation were merged into LH (Land and Housing Corporation) in 2009. Those are that specification criteria to establishing lower level specifications are disordered; duplicated investment on sites; management systems are conflicted site to site, which are based on different operation system from old land and housing corporations, etc. Thus, this paper aims to suggest a direction of integrated guide specification system of LH including improved and advanced classification hierarchy and specification.

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A Study on Priority Selection Process for Utilizing Urban Decline and the Potential (도시쇠퇴 및 잠재력을 활용한 도시재생 우선순위 선정방안 연구)

  • Yang, Dong-Suk;Lee, Sam-su;Lee, Dong-Geon
    • Proceedings of the Korea Information Processing Society Conference
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    • 2013.11a
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    • pp.1588-1591
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    • 2013
  • 도시재생종합정보시스템은 도시의 쇠퇴정도를 파악하고 그에 따른 도시재생 관련 정책수립 및 사업의 수행에 있어 의사결정 지원과 관련정보 등을 제공함을 목적으로 하고 있다. 본 연구에서는 도시재생 사업이나 정책을 진행시키고자 했을 때, 기 개발되어진 쇠퇴와 잠재력진단 시스템의 연계 및 활용을 통해 효율적인 도시재생 사업의 의사결정을 지원해줄 수 있는 우선순위 선정프로세스를 연구하였다. 또한, 시스템간의 연계를 위한 정보 프로세스 및 구현방안을 제시하였다. 제시된 우선순위 선정방안으로 보다 객관적, 직관적인 도시의 현황 및 DB 제공할 수 있으며 이를 통해 도시재생 사업 및 정책의 의사결정을 위한 근거자료로 활용 할 수 있다.

Identification of Core Items for Repair Works of Apartment Housing by Evaluating Necessity of Repair Work and Buren of Repair Cost (수선필요도와 비용부담도 평가를 통한 공동주택 수선공사 핵심항목 도출방안)

  • Song, Sanghoon;Lee, Seok-Je;Park, Seong-Sik
    • KIEAE Journal
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    • v.16 no.4
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    • pp.79-86
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    • 2016
  • Purpose: Frequently, the apartment management offices have difficulties in effective repair works due to their insufficient technological capability to operate long-term repair program. There also have been many cases of failure in executing urgent repairs mainly because the repair allowance has not accumulated enough for the repair works on time. This study aimed to determine core items in apartment maintenance in order to reduce the confusion and unnecessary efforts for the management office by suggesting simple list of repair items. Method: Core items are defined using several indicators. The degrees of necessity for repair work(NRW) are calculated combining the impacts to living, safety, and aesthetics. Then the degrees of burden of repair cost(BRC) are estimated by analyzing actual long-term repair program of three apartment complexes. Lastly the degrees of accumulation demand for repair allowance(AD) are calculated with NRW and BRC. Result: The core items and essential items are suggested for three apartment types as case studies based on the indicators of NRW, BRC, and AD. Then, the required accumulated allowance per $m^2$ was calculated to effectively implement repair works.

Solution of Noise-Vibration Problems of Urban Public Housing Adjacent to Railway

  • Park, Jong-Bae;Jang, Yeon-Soo;Kim, Hyo-Jin
    • Land and Housing Review
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    • v.5 no.3
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    • pp.169-177
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    • 2014
  • Constructing urban public housing built adjacent railway site has the noise and vibration problem coming from operation of trains. Thus, anti-vibration plans utilizing anti-vibration pads must be established to minimize the impact of train noise and vibration from the tunnels on the residents of the public housing. Under various difficulties and expectation from the citizens, many efforts were taken to satisfy the amenity requirements on noise and vibration for the residential area. As a results, it can be recognized that amenity standards can be satisfied. But great caution is required to prepare ourselves for various situations that might occur during construction, especially considering that the relevant railroads are still under operation.

Construction of Total Information Portal Service for Korea Urban Regeneration

  • Yang, Dong-Suk;Yu, Yeong-Hwa
    • Land and Housing Review
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    • v.3 no.3
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    • pp.203-212
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    • 2012
  • In this study, the total information portal service for urban regeneration was constructed to supply comprehensive information for Korean urban regeneration. The portal service is largely divided into an information analysis service for urban regeneration and an information disclosure service. For total information portal service, the information analysis service constructed a system for making district level decline diagnosis and city and county level potential analysis. Moreover, it can construct and control analyzed information specified at the district level. The information disclosure service consists of functions capable of recycling information, interworking the analysis service and facilitating expert participation. It also supplies data of total information DB in reprocessable format. For revitalization of communities, the information analysis service is constructed to lead experts on urban regeneration to share their opinions.

Analysis on Appropriate Plants of Infiltration Swale for Road Runoff (도로변 LID 시설인 침투도랑에 적합한 식물 선정에 관한 연구)

  • Lee, Eun Yeob;Hyun, Kyoung hak;Jung, Jong Suk
    • Journal of the Korean Society of Environmental Restoration Technology
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    • v.19 no.5
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    • pp.19-27
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    • 2016
  • This study is to find appropriate plant for infiltration swale (which is natural LID infrastructure) and suggest basic research database for building infrastructure of LID facilities. Through the research inside, it first selects the plant strong to flooding and salt tolerance. Also, the research built infiltration swale along the road, planted those strong plants and monitored how well those plants adapted into the environment. Particularly, it showered 72mm/hr-speed artificial shower, also with natural shower, given that plants were vulnerable to flood because of influx of the rain. As a result of field applicability monitoring, Pennisetum alopecuroides and Equisetum hyemale (which degrade the pollutant well and adapt into rainy environment) are planting individually, or Juncus effusus var. decipiens, Liriope platyphylla, Miscanthus sinensis Andersson, Euonymus japonica (which are strong to rainy environment) and Pennisetum alopecuroides and Equisetum hyemale are mixed planting. The research should have monitored the plant for more than one year to study them, but the research only lasted five months. Therefore, it is hard to generalize. After all, through the long term research, it should pursue study more on appropriate plant materials and database that can be the reference for infrastructure establishment and maintenance.

Decision technique for accommodation facilities of multi-utility tunnel in basic planning phase (기본 계획 단계에서의 공동구 수용시설물 결정 기법)

  • Oh, Won-Joon;Jin, Kyu-Nam;Kang, Yeong-Ku;Cho, Choong-Yeun;Sim, Young-Jong
    • Journal of Korean Tunnelling and Underground Space Association
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    • v.21 no.1
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    • pp.79-92
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    • 2019
  • In this paper, we propose a method to determine whether to install the accommodation facility of the multi-utility tunnel more effectively in the basic planning phase, and to set up an evaluation system to determine the configuration and kind of accommodation facility. For the configuration of the accommodation facility, 98 alternatives were analyzed for 7 accommodation facility. For the evaluation system of the accommodation facility, index related to feasibility and economic in basic planning phase were selected. The evaluation system classified as spatial, effective, and cost evaluation was presented reflecting the selected index, and AHP analysis was performed for weight setting. The results of this study will be helpful for users including designers to shorten the time and increase the efficiency in the process of determining accommodation facility of the multi-utility tunnel in basic planning phase.