• Journal of the Korean Institute of Landscape Architecture
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• v.40 no.1
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• pp.81-91
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• 2012

The purpose of this study was to analyze judicial precedents related on landscape construction defects(JPLCD) and suggested the improvement plan for dealing with it. The results are as the following: 1. Landscape construction defects litigations have been increased so far since 2000 and the duration of original trial was approximately 603 days, while appeal trials took up to 550 days. Therefore, the analysis revealed that settlement of disputes were lengthy and wasteful to consumers and constructors. 2. Judgement's cost accepted by the judge was only 53.6% of appraisal's cost appraised by appraiser, therefore it revealed appraiser overestimated the repair cost of landscape construction defects. 3. According to work classification categorized by Landscape Construction Standard Specification(2008) of the Korean Institute of Landscape Architecture, landscape planting amounted to 75% of JPLCD and plaintiff(consumers)'s prevailing rate of it reached 77% to be a serious burden to constructors. 4. According to JPLCD categorized by the type of dispute, defects caused by consumer's negligence for maintenance amounted to 29% and defendant(constructors)'s prevailing rate of it reached 64% to be the main responsibility of consumers. Further study will be required to make the judge standard of landscape construction defects through legal and technical research.

• Proceedings of the Korean Institute of Building Construction Conference
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• 2016.05a
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• pp.263-264
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• 2016

Since 2000s in Korea, apartment building tended to become goods or assets rather than houses. Therefore, conflicts between supplier and consumer were aggravated, and the defect dispute has been increased rapidly. This dispute enlarges to defect lawsuit and it is social and economical matter. The landscape work in apartment building is main work for a resident that appearance and convenient facility which lawn, tree, fountain, chair, playground, and etc. A number of defects surround landscape work are important issue in defect lawsuit, but, a related research is a minority, and a regulation is incomplete. Therefore, this study is basic study for standard of landscape defect type. As case study on defect lawsuit, draw a landscape defect type in apartment building.

• Proceedings of the Korean Institute of Landscape Architecture Conference
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• 2017.10a
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• pp.103-105
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• 2017

대구광역시 동구에 위치한 'A'아파트를 중심으로 진입로, 보도, 보차도, 휴게공간, 체육공간의 점토벽돌블록포장, 소형고압블록포장, 인조화강석블록포장에 대해서 발생 하자를 조사하였다. 먼저 하자분석을 위해 하자유형 및 종류를 정의하여 현장조사표를 개발하였으며, 이를 바탕으로 각 공간 및 블록종류에 따른 하자를 조사 분석하였다. 그 결과 진입로의 소형고압블록은 16.14개/$m^2$, 보도의 소형고압블록은 12.04개/$m^2$, 점토벽돌블록포장은 9.55개/$m^2$, 인조화강석블록은 3.66개/$m^2$로 나타났다. 보차도의 소형고압블록은 10.82개/$m^2$, 인조화강석블록은 2.59개/$m^2$, 휴게공간과 체육공간의 점토벽돌블록은 각각 13.64개/$m^2$, 6.02개/$m^2$개의 하자가 발생하였다. 다음으로 블록별 발생하자 종류를 살펴보면, 소형고압블록에서는 골재분리, 인조화강석블록에서는 얼룩이 가장 많았고, 점토벽돌블록은 보도에서는 침하가, 휴게공간과 체육공간에서는 얼룩의 발생량이 많았다. 마지막으로 하자발생부위별로 살펴보면 진입로, 보도, 보차도에서는 경계부의 하자가 많이 발생했으며, 휴게공간에서는 중앙부의 하자가 많이 나타났다. 반면 체육공간에서는 중앙부와 경계부의 차이가 거의 나지 않은 것으로 분석되었다.

• Proceedings of the Korean Institute of Landscape Architecture Conference
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• 2021.10a
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• pp.125-127
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• 2021

• Proceedings of the Korean Institute of Landscape Architecture Conference
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• 2017.10a
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• pp.147-149
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• 2017

경수 용기재배는 뿌리분의 손상 없이 식재를 할 수 있어 이식 후 활착이 용이하고, 식재시기의 계절적 제약을 적게 받아 부적기 이식 시 하자를 현저히 줄일 수 있다. 용기재배 시 용기 내 토양온도는 토양의 물리화학반응과 식물의 생육 및 물과 양분의 흡수에 영향을 주는 중요한 토양환경요소의 하나이다. 목본성 식물 용기재배의 경우 제한된 근권부의 토양이 외부기온에 의해 불안정할 수 밖에 없다. 재배용기의 유형에 따른 지온의 변화를 측정한 결과 지중재배형의 용기가 단열성능이 큰 것으로 나타났다. 지상재배 방식의 용기 중에서는 Bag in Pot-루트 스커트 형의 용기가 단열성능이 큰 것으로 나타났으며, 이는 지중재배방식의 용기와 유사한 용기 내 지온 안정화 정도를 보이는 것으로 나타났다. 향후 후속 연구에서는 본 연구를 토대로 디자인 개발된 용기의 시제품을 제작하여 테스트하고, 재배농가에 적용가능성을 검토하고자 한다.

• Journal of the Korean Institute of Landscape Architecture
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• v.37 no.1
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• pp.28-42
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• 2009

In the wake of categorizing the design changes occurred during the period from 2004 till the first half of 2006 in Choongcheong province area, based on purpose and reason of design changes identified by the Korea National Housing Corp, it included 11 types such as the image of the apartment complex, scenic elements, consideration by the user, prevention of the defect, constructability, site conditions, incompatibility between the activities, superordinate standard, prevention of civic complaints, design details and others, along with 47 subordinate elements. And the evaluation intended to identify the corelation between the number and time of design change approval, frequency and scale of design change by type and the cost variations indicated that; firstly, enhancing the image of the apartment complex proved to be the main reason for design changes, accounting for 22% in terms of frequency and 54.9% in terms of cost variation. Secondly, the higher the increase in cost by design change aimed at improving the image of the complex, the lower the decrease in cost by design change for uncertain reasons, dubbed the inverse proportional relations, indicating that the design changes for uncertain reasons were mostly aimed at reducing the construction cost. Thirdly, with regard to the number of design change approval and the time of the initial approval, twice or less and 90 days or less before completion of the construction work, respectively, accounted for $52{\sim}53%$, indicating the design change deliberation and approval tended to have been carried out collectively in the form of ex post facto approval, which seemed to be attributable to the attempt of reducing the construction cost or budget problem, as a result of comparing with the cases in which the cost was reduced.

• Land and Housing Review
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• v.6 no.4
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• pp.221-229
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• 2015

Large trees in the apartment complex are playing an important role to decide the quality of external environment. They are planted with the object of utilizing themselves as a landmark of the complex and enhancing space symbolism. Since planting large trees would require high maintenance costs and generate defect, it would cause decline in quality of external environment. This study researches on large trees in artificial ground of the apartment complex. This study analyzes actual condition of planting and tries to provide improvement direction of planting. In order to conduct this research, three target areas (over R30) and 265 trees are selected. Based on the drawings and specifications this study researches on the plan of landscape design, changes of field design, actual condition of completion, present condition of planting, minimum soil depth of growth and development and types of extra action for soil depth. The result shows that 85% of drawings and specifications for large trees in the apartment complex are deep-rooted tree species. On average large trees with R 35 are planted in artificial ground and there is lack of on average 65cm minimum soil depth of growth and development. Reviewing changes of field design is conducted in such limited size as mainly R30 and R40 and there is no extra plan for lack of soil depth. The plan for securing additional soil depth is done by 85% of mounding. However, since there is only 10% of satisfaction, the inappropriateness in securing additional soil is pointed out. This research also points out that the size of large trees, root characteristics and location-allocation for planting are pivotal factors for securing minimum soil depth of growth and development. This research also provides improvement direction in case of planning planting.