• Title/Summary/Keyword: Marine Building

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A Study on Public Announcement System for Property Right of Marine Architectural Building (해양건축물의 재산권 공시제도 정비방안 연구)

  • Lee, Han-Seok;Song, Hwa-Cheol;Jung, Dae
    • Journal of Navigation and Port Research
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    • v.32 no.3
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    • pp.257-264
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    • 2008
  • This study is intended to know what is the legal problems to settlement and public announcement of property right for construction of marine architectural building in Korea. Firstly, the situation and the prospect around marine architectural building are examined Secondly, the legal concepts of marine architectural building and the application of related laws are analyzed. Thirdly, the problems related to public announcement of property right of marine architectural building are suggested. Fourthly, some improvement schemes to solve the legal problems in relation with property right of buildings on the water at sea and ocean are proposed. As the conclusion, the marine architectural building can be divided into fixed-type and floating-type in order to find the proper way to handle the public announcement of property right for that sort of building. The fixed-typecan be registered as real estate according to the Building Law through the amendment of the existing related laws. But for the registration of floating-type building a new law should be made. In the near future, improvements on the legal system related with the settlement of property right of marine architectural building should be made, so that private sectors can join construction and operation of the building. Especially a new law for the floating-type marine architectural building should be made as soon as possible.

A Study on Control and Monitoring System for Building Energy Management System

  • Oh, Jin-Seok;Bae, Soo-Young
    • Journal of Advanced Marine Engineering and Technology
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    • v.35 no.3
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    • pp.335-340
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    • 2011
  • Building energy saving is one of the most important issues in these days. Control algorithm for energy saving should be designed properly to reduce power consumption in building. Recently, building energy system consists of hybrid energy system coupling with RE (Renewable Energy) source. In this paper, an optimum control algorithm for building energy saving is applied to BEMS (Building Energy Management System) by using an outdoor air temperature prediction strategy. BEMS coupling with renewable energy can control HVAC (Heating, Ventilating and Air-Conditioning) system effectively. In order to verify the effectiveness of building energy saving, BEMS was tested for several months at a laboratorial chamber with an air conditioner, fan and heater. To this end BEMS embedded control algorithm has been tested successfully.

A Competitive Intensification Plan for Marine Leisure Equipment Industry in the Southeast Region

  • Lee, Jae-Hyung
    • Journal of Navigation and Port Research
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    • v.36 no.2
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    • pp.131-140
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    • 2012
  • Since 2000, S. Korea is building yachts through government supported localization, cooperation between industry and educational organizations, or partnerships with foreign firms but the yacht building has yet only accomplished trial manufactured ships and one-time production. Because of a lack of mass production, the industry assesses the domestic technical skills to an average 50~60% of developed countries and its market share is less than 1% in the world. In addition, domestic marine equipment is heavily depending on imports and the industry is experiencing shortage of technology and experts, small-sized companies, insufficient industry and educational organizations' cooperation networks, inadequate legislation and policies, deficient domestic market vitalization, and scarce international information. Thus, this study focuses on the alternative plans to strengthen competitiveness and to cope with problems in the southeast marine leisure equipment industry.

Evaluation of Durability of Slag Concrete by Marine Environment Exposure (해양환경 폭로에 의한 슬래그 콘크리트의 내구성 평가)

  • Kim, Hyun-Jin;Kim, Gyu-Yong;Choe, Gyeong-Cheol;Kim, Hong-Seop;Lee, Bo-Kyeong;Kim, Rae-Hwan
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2015.11a
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    • pp.111-112
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    • 2015
  • There is high possibility of steel corrosion on the reinforced concrete exposed to marine environment by chloride ion penetration. And it show a big difference of concrete durability under conditions of splash zone, tidal zone, and immersion zone. Therefore, in this paper, half-cell potential and chloride ion penetration depth was measured to evaluate the durability of slag concrete by marine exposure experiment. As a result, SC70 specimen showed no steel corrosion, regardless of the marine exposed conditions. Also, a deterrent effect on chloride ion penetration by replacement of slag in tidal zone and immersion zone could be confirmed.

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A Study on the Non-market Economic Value of Marine ranches and Marine Forests Using Contingent Valuation Method (조건부가치측정법(CVM)을 이용한 바다목장과 바다숲의 비시장 경제가치 연구)

  • Kim, Soon-Mi;So, Ae-Rim;Shin, Seung-Sik
    • The Journal of Fisheries Business Administration
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    • v.51 no.3
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    • pp.1-15
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    • 2020
  • The Korean government has been carrying out the marine ranch development project since 1998 with the purpose of responding to the decrease in coastal fishery resources and fishery income, preparing a systematic management system for the sustainable use of fishery resources and realizing advanced fisheries power by expanding and upgrading fisheries resource development projects. In addition, the government established the Korea Fisheries Resources Agency and promoted projects for the protection and management of fishery resources by increasing basic productivity by artificially creating marine forests in areas where whitening events occur. Since the project of building marine ranches and marine forests requires immense government financial support, it is important to estimate the economic value and thoroughly evaluate the feasibility of the project. In this paper, the project of non-market economic value of the development of marine ranches and the development of marine forests was estimated. CVM (Contingent Valuation Method) was applied as a methodology for benefits estimation. Prior to the analysis, a one-on-one interview survey was conducted with participation of 512 residents and 514 residents respectively for the project of creating a marine ranch and developing a marine forest. A DBDC (Double-Bounded Dichotumous Choice) model was applied in the WTP (Willingness To Pay) analysis model and the socioeconomic variables of the surveyor, such as sex, age, education and income, were reflected in the model. The economic benefits from the two projects, namely, building of marine ranches and developing marine forests were estimated to be equal to 4,608 won and 7,772 won per household per year, respectively. According to the results of the survey, it seems that respondents think that marine forests are more valuable than marine ranches. This is as a result of ordinary citizens' thought that the marine ranches are more cost-effective than the marine forests. The benefits estimated through this study can be used for analysis of economic feasibility prior to carrying out the project of building marine ranches and developing marine forests, and are considered to be the valuable for policy-making purposes and finding social and economic consensus.

A Study on the Luminosity Control of Bulbs by Using PIC (PIC를 이용한 다수의 전구 밝기제어에 관한 연구)

  • Bae, Cherl-O;Park, Young-San
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.13 no.3
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    • pp.235-240
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    • 2007
  • Recently, energy saving buildings are interested in many parts and many types of thermal insulating materials have been developed. The temperature and brightness of inside and outside building are influenced by weather change and sun's brightness and location. The location of building considering the natural daylight is an important parameter to build a building. To modeling the natural daylight, we used 342 electric bulbs which mean artificial daylight. All these bulbs are installed on dome shape frame. Especially it is focused on the luminosity control of each bulb in this paper. The luminosity of bulbs is controlled by phase control using several PIC microprocessors and triacs.

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Numerical Investigation of Countermeasure Effects on Overland Flow Hydrodynamic and Force Mitigation in Coastal Communities

  • Hai Van Dang;Sungwon Shin;Eunju Lee;Hyoungsu Park;Jun-Nyeong Park
    • Journal of Ocean Engineering and Technology
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    • v.36 no.6
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    • pp.364-379
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    • 2022
  • Coastal communities have been vulnerable to extreme coastal flooding induced by hurricanes and tsunamis. Many studies solely focused on the overland flow hydrodynamic and loading mechanisms on individual inland structures or buildings. Only a few studies have investigated the effects of flooding mitigation measures to protect the coastal communities represented through a complex series of building arrays. This study numerically examined the performance of flood-mitigation measures from tsunami-like wave-induced overland flows. A computational fluid dynamic model was utilized to investigate the performance of mitigation structures such as submerged breakwaters and seawalls in reducing resultant forces on a series of building arrays. This study considered the effects of incident wave heights and four geometrically structural factors: the freeboard, crest width of submerged breakwaters, and the height and location of seawalls. The results showed that prevention structures reduced inundation flow depths, velocities, and maximum forces in the inland environment. The results also indicated that increasing the seawall height or reducing the freeboard of a submerged breakwater significantly reduces the maximum horizontal forces, especially in the first row of buildings. However, installing a low-lying seawall closer to the building rows amplifies the maximum forces compared to the original seawall at the shoreline.

Evaluation of Steel Corrosion of Slag Concrete by Half-cell Potential Method (반전지-전위 측정방법을 활용한 슬래그 콘크리트의 철근 부식 저항성능 평가)

  • Lee, Bo-Kyeong;Kim, Gyu-Yong;Kim, Rae-Hwan;Yoon, Min-Ho;Lee, Young-Wook;Choe, Gyeong-Cheol
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2014.11a
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    • pp.3-4
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    • 2014
  • There is high probability of steel corrosion on the reinforced concrete exposed to marine environment by penetration of chloride ion. When making concrete structure with slag as admixture in marine environment, salt damage can be prevented. Therefore, this paper presents experimental results of steel corrosion resistance of slag concrete considering marine environment through half-cell potential method which is one of the nondestructive test. As a result of half-cell potential experiment, it was assumed that every specimen exposed to marine environment was not corroded, and as a result of destroying specimens, it was confirmed that there was no corrosion in specimens.

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