• Journal of the Architectural Institute of Korea Planning & Design
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• v.35 no.2
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• pp.115-125
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• 2019

The purpose of this study is to analyze the occurrence characteristics of vacant spaces in the old hillside residential area, focused on 7 areas surrounding old downtown in Busan. This study suggests 3 stages of analysis as following. First, after the overall site survey on the vacant spaces in 7 old hillside residential areas in Busan, this study identifies the difference of types of vacant spaces according to each area. Second, based upon precedent researches, this study set up 3 perspectives and 9 analysis indices to investigate the areal characteristics of vacant space occurrence. Third, through the GIS analysis on the vacant spaces, this study tries to analyze the physical, commercial and social/institutional conditions of the areas in order to disclose the areal characteristics of vacant spaces occurrence.

• Journal of the Korean Association of Geographic Information Studies
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• v.11 no.3
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• pp.183-192
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• 2008

The Purpose of this study is to find the land use condition and housing development of hillside areas in Busan metropolitan city. For this purpose, data of land use in more than meters above the sea level 80m are collected and analysed. The results of this study provide that 44.22% of the area of Busan hold more than meters above the sea level 80m and many aged buildings occupy the hillside areas. Moreover 30.13% of the redevelopment zone in housing redevelopment hold more than meters above the sea level 80m. In consequence, buildings of hillside areas should be maintained and it is necessary to make topographical adaptation plan. Based on these findings this study suggests that introduce the Conjoint Renewal Program.

• Journal of the Korean housing association
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• v.13 no.2
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• pp.55-64
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• 2002

This study aims at the suggestion of possibility that a housing density will maintain properly and that an ecological hill housing will recover a rapport with the ground. That is, both residential planning on the hillside and ecological architecture as a concept for development are chosen for study category, and relationship between the hillside and the hill housing is theorized and then propriety is analysed through application of the ecological planning elements. The results of this study are as follows: 1. Now that the hillside is regarded as an idle land that preserves natural environment and maintains ecosystem, it must be developed on the basis of awareness that nature and human beings exist together. 2. Analysis of geographical factors must be advanced because it is inevitable that the development of the hill housing should be performed properly to the geographical characteristics. 3. Planning elements of ecological residential block which are possible for constructing on the hillside can be developed and applied, on the basis of geographical characteristics, by classifying them into two areas; housing estate, building and unit.

• Journal of the Korean Association of Geographic Information Studies
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• v.12 no.1
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• pp.44-53
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• 2009

The Purpose of this study is to find out necessity and possibility of low-rise high density housing improving an old residential district of hillside areas. Housing of hillside areas should be maintained and it is necessary to make topographical adaptation plan. For this purpose, we calculate the floor area ratio to break even on case study area by GIS date. As a result, we found out that floor area ratio as minimum qualifications for the feasibility of urban redevelopment is 180%, and carried out a landscape simulation to a low-rise high density housing by AutoCAD 2004 and ArcView 3.2a. In results of simulations, it reveals that a rule to low-rise high density housing effective for topographical adaptation development.

• Korean Journal of Soil Science and Fertilizer
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• v.9 no.3
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• pp.201-210
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• 1976

Only 22.7% of total land area is arable land in Korea, it is anticipated that the increased land utilization of present arable land and enlargement of arable land through the reclamation of hillside and tidal land will be of great importance for the support of increased population in the future. Followings are the prediction of increased land utilization ratios, increased arable land through the reclamation of hillside and tidal land, and the increase] in fertilizer demand up to the year of 2000. 1. On the assumption that irrigation facilities, farm mechanization, and cropping systems would be improved remarkably by the year of 2000, the land utilization ratios of paddy land and upland are estimated to be 179% and 193% respectively. 2. Increments of fertilizer demand due to increased land utilization ratios, are estimated to be 2, 290 M/T in 1980, 70, 611 M/T in 1990, and 153, 619 M/T in 2000, when the amounts of fertilizers per unit area are fixed at present lrevels. 3. Increments of fertilizer demand due to the expansion of arable land through the reclamation of 516,330 ha of hillside land and 160,568 ha of tidal land, which are the present estimation of the reclaimable areas, are estimated as 32,960 M/T in 1980, 136,320 M/T in 1990, and 366,861 M/T in 2000. 4. Total increments of fertilizer demand due to the increased land utilization of arable land and the expansion of arable land through the reclamation of hillside and tidal lands in 2000's are estimated as 196,285 M/T for N, 147,351 M/T for $P_2O_5$, and 176,844 M/T for $K_2O$.

• Journal of Korean Society of Forest Science
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• v.64 no.1
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• pp.42-46
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• 1984

This study was carried out to obtain the advanced basic data for hillside erosion control works. Recovery of vegetation in the hillside erosion control districts depends on various factors i.e., topographies, soil qualities, rain conditions and erosion control methods. The only relations between topographies and vegetation coverage were surveyed, since the other factors were equal in all those surveyed areas. The results obtained are summarized as follows; 1) Mean coverage values were decreased in order of 80%, 78.7%, 64.0% and 56.5%r in concave slope, uniform slope, compound slope and convex slope respectively. The mean coverage of all aspects was 69.8%. The slope pattern have a influence on formation of coverage. 2) Moisture ratio in soil and mean slope have an effect on the mean coverage value. 3) In the beginning of the hillside erosion control working, coverage (14.8%) by arbor species was too low comparing with that by herb. 4) It is more desirable to recover regetation by artificial planting or seed planting than by the natural vegetation in the barren hillside. In the beginning of the hillside erosion control working, it is difficult to expect vegetation recovery by natural species.

• Journal of the Korean Institute of Rural Architecture
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• v.3 no.1
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• pp.11-23
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• 2001

It is focused on the desirable development alternations for sprawled unplanned on mountainous hilly areas in the residential areas development of the rural areas, mainly on the idyllic housing residential areas. The major research findings were as follows : (1) 85% of the idyllic housing residential areas of the suburban rural area was developed on the mountainous hilly areas. (2) For the desirable development on the suburban rural area, Environmentally Symbiosis Land Use Plan, diversification of Housing type such as Earthing Row House, diverse housing site planning techniques considering the conditions of mountainous hilly areas, for common space planning, land development, housing planing, hillside development, should be devised. (3) New regulations of strengthening construction permits, District Plan should be introduced in law and system management.

• Journal of the Korean Geotechnical Society
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• v.20 no.2
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• pp.47-58
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• 2004

Steel Pipelines were located in hillside and mountain areas where landslides occurred during the Northridge earthquake. This paper describes the investigations that were performed to identify and locate the different types of steel pipeline construction in the system using GIS (Geographical Information System). The paper explores the damage correlations of steel pipelines with PGV (peak ground velocity) and investigates the areas subjected to the landslide effects during the Northridge earthquake. One noticeable finding is that the repair rates for steel distribution pipelines after the Northridge earthquake are higher than those of CI (cast iron) pipelines. The relatively high susceptibility of steel piping to damage during the Northridge earthquake may be explained in part by utility practices, such as using steel pipe for the highest internal pressures, and increased susceptibility to corrosion also appears to play a role in steel pipeline performance.

• Proceedings of the Korean Institute of Building Construction Conference
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• 2008.11a
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• pp.53-56
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• 2008

This paper is to investigate the change of the period of hot weather concrete with elapse of age based on climate data. Climate data for 30 years and 5 years are used respectively. Determination of the period of hot weather concreting on architectural execution in Korea according to the specifications of AIJ, KSCE, and ACI are discussed. According to the research, the period of hot weather concreting with each specification in most regions lasts over 35 days. Compared with the period of cold weather concreting in hillside and inland area, coastal areas have shorter period in the same latitude. The period of hot weather concreting tends to decrease with high latitude. As expected, with the elapse of age, the period of hot weather concrete exhibited to decrease, especially, big city like Seoul, Busan etc had remarkably increased period by as much as a week. This is due to the global warming and industrialization effect with the elapse of age.

• Journal of Korean Society of Forest Science
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• v.110 no.3
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• pp.419-430
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• 2021

This study investigated spatiotemporal trends of sediment-related disasters in North Korea from 1960 to 2019 and post-disaster recovery cases based on a literature review and satellite images. Results showed that occurrence status of sediment-related disasters was initially externally reported in 1995 (during the Kim Jongil era); their main triggering factor was heavy summer rainfall. Furthermore, forest degradation rate was positively correlated with population density (R² = 0.4347, p = 0.02) and occurrence number of sediment-related disasters was relatively high on the west coast region, where both variables showed high values. This indicates that human activity was a major cause of forest degradation and thus, significantly affected sediment-related disasters in mountain regions. Finally, sediment- related disasters due to shallow landslides, debris flow, and slow-moving landslides were observed in undisturbed forest regions and human-impacted forest regions, including terraced fields, opencast mines, forest roads, and post-wildfire areas, via satellite image analysis. These disaster-hit areas remained mostly abandoned without any recovery works, whereas hillside erosion control work (e.g., treeplanting with terracing) or torrent erosion control work (e.g., check dam, debris flow guide bank) were implemented in certain areas. These findings can provide reference information to expand inter-Korean exchange and cooperation in forest rehabilitation and erosion control works of North Korea.