• 한국건설관리학회논문집
• /
• 제10권6호
• /
• pp.78-87
• /
• 2009

대규모의 다수 프로젝트가 동시에 장기간에 걸쳐 이루어지는 도시재생사업은 넓은 수행범위와 사업의 다양성, 복합성에 기인한 불확실성을 가지고 있으며 다수의 관련주체들 간 이해관계의 복잡성으로 인해 사업 생애주기 동안 갈등의 발생은 필연적이고 그 사안의 성향 및 크기 또한 다양하다. 따라서 사전에 위험을 인지하고 적절하게 대응하는 적극적인 갈등관리가 절실히 필요하다. 따라서, 본 연구는 관련주체들이 사전에 발생 가능한 갈등을 인지하여 이에 대한 대비책 모색에 참조할 수 있도록 하며, 이러한 정보들을 사용자가 사용목적에 맞게 활용할 수 있도록 도시재생사업의 단계별, 주체별 갈등사례들을 유형화하고 주요 갈등유형을 제시 해보고자 한다.

• 대한교통학회지
• /
• 제30권1호
• /
• pp.103-112
• /
• 2012

우리 시간의 흐름에 따라 사회 경제 구조, 생활양식 등 여러 요소가 변하면서 사람들의 통행목적과 통행행태도 변하게 된다. 하지만 기존의 통행발생모형은 장래 수요예측 시 기준연도에 추정된 parameter 값이 장래에도 동일하기 때문에 시간과 통행행태의 변화를 반영할 수 없는 문제점을 안고 있다. 이러한 문제를 개선하기 위하여 시간변화를 반영한 통행발생모형을 개발하였다. 가구통행실태조사는 특정 시점의 통행특성을 조사한 횡단면 자료이지만 그동안의 3번의 조사를 통해 시계열적 측면이 보완되었고, 조사자료를 기초로 하여 행정동을 기준으로 OD를 구축하기 때문에 이를 하나의 패널로 설정하여 패널분석을 수행할 수 있다. 따라서 본 연구에서는 1996년부터 2006년까지 조사된 가구통행실태조사자료 및 전수화 OD, 각 기준연도의 사회경제지표를 이용하여 패널분석을 통해 통행발생모형을 개발하였다. 분석 결과 시간이 지나면서 유의한 시간효과가 나타났다. 학원통행의 경우에는 시간이 지날수록 인구당 통행발생량이 증가하는 시간효과의 패턴이 나타났고, 쇼핑통행의 경우에는 감소하는 시간효과의 패턴이 나타났다.

• 한국주거학회논문집
• /
• 제8권2호
• /
• pp.113-122
• /
• 1997

This study analyzes behavior characteristics of illegal urban stall keepers scattered in the metropolitan area and their effects to urban life. The main findings of this study are follows. First, the stall keepers are different in terms of 1) items 2) opening hour and 3) user characteristics depending on locational environment of market boundaries. Second, the stall keepers exit in any time and any place if demand exists. Third, the effects of stall keepers to urban life are twofold ; they facilitate urban life by providing cheap and various commodities/services and they bring about negative effects such as obstacle to traffic flows, waste generation, and so on.

• 한국물환경학회지
• /
• 제39권1호
• /
• pp.76-86
• /
• 2023

We are on the verge of paradigm shift for the design and operation of our urban water systems from treatment- and efficiency-based to recirculation- and sustainability-based. One of the most frequently suggested alternatives to embody this paradigm shift is to decentralize the currently highly centralized urban water infrastructure. However, claims for water infrastructure decentralization are often criticized due to poor economic feasibility, unstable performance, and unprofessional operation and maintenance. The current study critically reviews the literature to discuss the technical advancement needs to overcome such challenges. Firstly, decentralized water infrastructure was briefly defined and the rationale for the proposal of its introduction to the next-generation urban water systems was laid down. The main discussion focused on the following water technologies, which require special attention when working with decentralized water infrastructure: i) material collection, storage, and transport; ii) easily scalable water treatment; iii) sensor, information, and communications; and iv) system optimization. The principles, current development status, and challenges were discussed for each of the water technologies. The discussion on the water technologies has enabled the identification of future research needs for their application to the next-generation urban water systems which will be designed following decentralized water infrastructure. This paper will significantly improve the current understanding on water infrastructure decentralization and provides insight on future direction of water technology development.

• 국토계획
• /
• 제53권7호
• /
• pp.67-86
• /
• 2018

This paper attempted to analyze impacts of transition in electricity generation system on a national economy and environmental level in Korea using a recursive computable general equilibrium(CGE) model. In particular, the paper presented a hybrid model combining the top-down CGE model with the bottom-up model which describes the structure of electricity production in detail. The impacts were analyzed by two policy scenarios base on the basic plan for electricity supply and demand proposed by the Korean government. As a result, the paper specifically showed that there exists a trade-off relationship in the policy-making between economic efficiency and environmental level. The paper also suggested that the transition in electricity generation system should be done more gradually and carefully.

• 대한토목학회논문집
• /
• 제6권2호
• /
• pp.45-55
• /
• 1986

본(本) 연구(硏究)는 도시교통계획(都市交通計劃)에서 장래교통발생예측시(將來交通發生豫測時) 항상 문제(問題)로 되는 설명변수선택(說明變數選擇)의 애매성(曖昧性)을 해결(解決)하기 위하여 교통발생(交通發生)의 설명지표(說明指標)를 제안(提案)하는 동시(同時)에 최량(最良)의 도시교통발생(都市交通發生) Model을 작성(作成)하였다. 제안(提案)된 설명지표(說明指標)를 사용(使用)하여 목적별(目的別) 교통발생중회귀(交通發生重回歸) 모델을 작성(作成)하고, 단일변수(單一變數)로 설명(說明)이 가능(可能)한 것은 교통발생(交通발生)의 비손성(非負性)을 확보(確保)하기 위하여 단회귀(單回歸)모델로 수정(修正)하였다. 그러나 다변수(多變數)가 도입(導入)되어도 설명(說明)이 불충분(不充分)한 목적별(目的別) 교통(交通)(등교집중(等校集中)과 자유목적(自由目的)의 발생(發生)모델)은 동질(同質)의 토지이용활동(土地利用活動)으로부터 발생(發生)하는 교통(交通)의 발생특성(發生特性)이 유이(類似)함에 주목(注目)하여 각(各) zone을 특성별(特性別)로 분류(分類)하고 zone 군별(群別)로 교통발생(交通發生) 모델을 작성(作成)하여 통계적(統計的)으로 유의성(有意性)을 검토(檢討)하였다. 그리고 장래교통발생예측(將來交通發生豫測)은 단순(單純)하면서도 예측정도(豫測精度)의 제고(提高)가 바람직하므로 토지이용활동별(土地利用活動別)로 교통발생원단위(交通發生原單位)를 작성(作成)하고 안정성(安定性)을 고찰(考察)하여 교통발생예측시(交通發生豫測時) 실용가능(實用可能)한 원단위(原單位)를 제안(提案)하였다.

• 한국인터넷방송통신학회논문지
• /
• 제19권6호
• /
• pp.191-196
• /
• 2019

도시철도 시설물의 경우, 대중교통의 특성상 전력공급이 차단되면 혼란이 발생하므로 통신설비, 방재설비 및 승차장 안전문 등이 안전한 승객의 이동을 위해 전원공급이 유지되어야 한다. 또한, 도시철도 운행노선에는 다수의 전동차가 운행 중이므로 운행 간격과 시설복구 시간을 고려하면 승차장 안전문은 최소 30분 이상, 통신설비 및 방재설비는 1시간 이상의 설비가동이 요구된다. 따라서 도시철도 구간의 역사나 차량화재발생 시 화재로 인한 추가확산을 막기 위해 주요전력이 차단되므로 유도등 및 배연설비의 안정적 동작 유지를 위해 비상 전원공급이 필수적이다. 최근에는 비상시 정전을 방지하는 UPS (uninterruptible power supply, 무정전 전원공급장치) 기능과 가격이 저렴한 야간 시간대에 전기를 저장하였다가 주간 피크시간대에 사용할 수 있도록 하여 전기요금을 절감해주는 ESS 기능을 합친 비상발전용 UPS 기능을 갖춘 복합형 전력저장시스템을 개발하는 추세이다.

• ETRI Journal
• /
• 제43권4호
• /
• pp.594-602
• /
• 2021

Recently, quantitative and repetitive inspections of the old urban area were conducted because many structures exceed their designed lifetime. The health of a building can be validated from the condition of the outer wall, while the slant angle of the wall widely serves as an indicator of urban regeneration projects. Mostly, the inspector directly measures the inclination of the wall or partially uses 3D point measurements using a static light detection and ranging (LiDAR). These approaches are costly, time-consuming, and only limited space can be measured. Therefore, we propose a mobile mapping system and automatic slant map generation algorithm, configured to capture urban environments online. Additionally, we use the LiDAR-inertial mapping algorithm to construct raw point clouds with gravity information. The proposed method extracts walls from raw point clouds and measures the slant angle of walls accurately. The generated slant angle map is evaluated in indoor and outdoor environments, and the accuracy is compared with real tiltmeter measurements.

• World Technopolis Review
• /
• 제5권1호
• /
• pp.30-46
• /
• 2016

This paper is intended as an opening of a dialog on how to apply platform thinking in the development of innovation environments. It will briefly describe a new STP (Science and Technology Park) concept called 3GSP (Third Generation Science Park), which is gaining momentum in Finland. The paper explains the fundamental changes that are currently taking place in the global innovation environment and explains why platform thinking is becoming an essential element in ecosystem development. The theoretical background and classifications of platforms are described and the benefits to be gained from STP perspective are highlighted. The paper emphasizes especially the role of so called 'competence platforms' and explains the main characteristics of a fully working competence platform. The role of competence platforms in understanding serendipity and as a fundamental factor in building the team is also highlighted. The paper analyses from STP perspective several practical examples, where platform thinking supports the emergence of new innovation environments, including Urban Mill (Finland) and Meetberlage (Netherlands). The requirements for comprehensive competence platform services are presented and their potential to support community building and therefore ecosystem development is illustrated. This analysis will provide STP practitioners with new models for applying platform thinking and will help to establish co-creation, open innovation and serendipity management practices. The case studies presented will help STP management teams to evaluate the benefits of competence platforms in different contexts.

• 한국BIM학회 논문집
• /
• 제10권4호
• /
• pp.11-21
• /
• 2020

With increasing interest and research on smart cities, there is also an increasing number of studies on urban facilities that can be built within smart cities. According to these studies, smart cities' urban facilities are likely to become high value-added industries. However, the concept of smart city is not clear because it involves various fields. Therefore, in this study, the definition of Next-Generation(N.G) Smart City Facilities with Digital Twin and Digital Chain is carried out through a multidisciplinary approach. Based on this, Next-Generation Smart City Facilities will be divided into High Value-Added Products and Big Data Platforms. Subsequently, the definition of the Digital Chain containing the data flow of the entire process built through the construction of the Digital Twin proceeds. The definitions derived are applied to the Next-Generation Noise Barrier Tunnel to ensure that data is exchanged at the Digital Twin stage, and to review the proposed configuration of the Digital Chain and Data Flow in this study. The platform definition and Digital Chain of Next-Generation Smart City Facilities proposed in this study suggest that it can affect not only the aspects of data management that are currently in the spotlight, but also the manufacturing industry as a whole.