• Title/Summary/Keyword: Construction Infrastructure

Search Result 1,667, Processing Time 0.025 seconds

The Logistics Infrastructure for the Exploitation of Saemangeum New Port (새만금 신항 개발을 위한 물류인프라 구축방향)

  • Hwang, Ho-Man
    • Journal of Korea Port Economic Association
    • /
    • v.25 no.4
    • /
    • pp.63-82
    • /
    • 2009
  • The purpose of this study is to construct the logistics infrastructure for the exploitation of Saemangeum New Port that will be constructed in near future. To accomplish the purpose, this paper grasp the change of port logistics circumstances firstly. find out the project of the new port and construct the logistics infrastructure for the new port with the basic facts of the port competitiveness. The construction of the logistics infrastructure for the exploitation of Saemangeum New Port will be conducted as follows ; (1) Construction of logistics environment (2) Planning the port marketing for the extension a logistic market share (3) Construction of logistics chain and IT Network and finally (4) Construction of logistics community.

  • PDF

Standardization of composite connections for trapezoid web profiled steel sections

  • Saggaff, A.;Tahir, M.M.;Sulaiman, A.;Ngian, S.P.;Mirza, J.
    • Structural Engineering and Mechanics
    • /
    • v.55 no.4
    • /
    • pp.765-784
    • /
    • 2015
  • Connections are usually designed either as pinned usually associated with simple construction or rigid normally is associated with continuous construction. However, the actual behaviour falls in between these two extreme cases. The use of partial strength or semi-rigid connections has been encouraged by Euro-code 3 and studies on semi-continuous construction have shown substantial savings in steel weight of the overall construction. Composite connections are proposed in this paper as partial or full strength connections. Standardized connection tables are developed based on checking on all possible failure modes as suggested by "component method" for beam-to-column composite connection on major axis. Four experimental tests were carried out to validate the proposed standardised connection table. The test results showed good agreement between experimental and theoretical values with the ratio in the range between 1.06 to 1.50. All tested specimens of the composite connections showed ductile type of failure with the formation of cracks occurred on concrete slab at maximum load. No failure occurred on the Trapezoidal Web Profiled Steel Section as beam and on the British Section as column.

Improvement Factors of Promoter Selection Evaluation Criteria for Build-Transfer-Lease Private Participation in Infrastructure Projects (BTL사업의 사업시행자 평가기준 개선 요인 분석)

  • Shin, Hyun-In;Park, Tae-Keun
    • Proceedings of the Korean Institute Of Construction Engineering and Management
    • /
    • 2006.11a
    • /
    • pp.310-316
    • /
    • 2006
  • Since 'Act on Private Participation in Infrastructure' were changed in January 2005, BTL(Build-Transfer-Lease) projects of Private Participation in Infrastructure was introduced in the domestic construction market for the purpose of providing public facilities with the public. Selecting the most qualified Promoter should be considered discreetly in BTL projects because BTL projects is for projects with approximately thirty year project life cycle, plan, construction, operating, maintenance and obviously the success of the project totally depends on the capability and role of Promoter. However, score for cost is likely to influence selecting Promoter to take the project. Accordingly, low bid contract with too much competition could decrease the quality of the construction plan and operating plan. Thus, this study did preliminary research and documents on problems of evaluation criteria for selecting Promoter in BTL projects, and proposed improvement factors by doing questionnaire over specialists of each field.

  • PDF

Benefits of Early Stakeholder Involvement in Korean Railway Infrastructure Project

  • KANG, SungWook;KIM, DongHee;YU, JaeKyun;LEE, KyungChul;MOON, DaeSup
    • The Journal of Economics, Marketing and Management
    • /
    • v.9 no.5
    • /
    • pp.15-25
    • /
    • 2021
  • Purpose: In the Korean railway infrastructure process, contractors and operators are involved at a later stage, which results in significant inefficiency. This study examines the benefits of early stakeholder involvement in Korean railway infrastructure projects and provides practical guidelines. Design, data and methodology: Literatures and foreign cases are analyzed. Building on the new product development model, we derive propositions explaining the relationship between early stakeholder involvement and the performance of Korean railway infrastructure project. Results: Major propositions include that early involvement of contractor has a positive effect on the project performance by shortening the infrastructure construction period and that early involvement of railway operator has a positive effect on the project performance by improving the effectiveness of railway infrastructure. Four requirements for the success of early stakeholder involvement are addressed. Conclusions: This study suggests that early stakeholder involvement shortens the construction period and improves railway infrastructure effectiveness. Academic contribution is to present the framework on railway infrastructure projects as holistic interactions among stakeholders. Practical contribution is to provide railway policy makers and other business practitioners with policy guidelines to improve railway infrastructure project process and to recommend an open access to relevant data.

Configuration and Construction for the KASS KRS Site Infrastructure

  • Jang, HyunJin;Jeong, Hwanho;Son, Minhyuk;Lee, ByungSeok
    • Journal of Positioning, Navigation, and Timing
    • /
    • v.10 no.2
    • /
    • pp.139-144
    • /
    • 2021
  • In this paper, we described configuration and construction of infrastructure for the KASS Reference Station (KRS), subsystem of Korea Augmentation Satellite System (KASS). KASS system consists of three subsystems(KRS, Mission Control Center (MCC), KASS Uplink Station (KUS)). One of these subsystems, KRS receives GNSS data for generating range error and integrity verification and sends to MCC. It is needed to antenna facilities for mounting GNSS antenna and shelter for operating KRS and infra equipment(power and network system, lightning and grounding system, fire extinguish) for operating KRS. For this reason, we have established the requirements for KRS infrastructure and constructed infrastructure for KRS to meet the requirements of KRS infrastructure.

PROBLEMS AND SOLUTION OF IDENTIFICATION AND APPROVAL OF PRIVATELY FINANCED INFRASTRUCTURE PROJECTS IN CHINA

  • Xiangrong Du;Tsunemi Watanabe
    • International conference on construction engineering and project management
    • /
    • 2005.10a
    • /
    • pp.731-736
    • /
    • 2005
  • The governmental attitude toward private investment and financing for infrastructure projects has changed from the initial prohibition to the current encouragement in China, which has been embodied in the legal documents and administrative process. However, the problem of identification, bidding, and approval procedure for privately financed infrastructure projects has been observed in policies and administrative measures promulgated by different or even the same government branches, which is prohibitive factors for smooth project implementation. After analysis of the identification, bidding, and approval process of infrastructure projects, the authors proposed a simplified and alternative procedure and clarified the key points of relevant project documents.

  • PDF

Study on the Relationship Establishment among u-City Service, Technology and Infrastructure (u-City서비스.기술.기반시설의 연계성 확보방안)

  • Cho, Chun-Man;Kim, Jung-Hoon
    • Spatial Information Research
    • /
    • v.17 no.3
    • /
    • pp.287-299
    • /
    • 2009
  • For the development and management of u-City(ubiquitous city), Ubiquitous City Construction Law was enacted(March 3, 2008) to form the legal basis of u-City plan, construction and managements afterwards. The ultimate goal of the u-City construction is the advancement of national territory utilization and management using Korea's high level of IT and spatial information infrastructure. Based on the definition of the u-City Construction Law, the u-City refers to a city where u-City services are provided through the u-City infrastructure applying u-City technology. But, based on the current level of relationship model among u-City service, technology and infrastructure, it is not enough to guide the local municipalities to plan and provide the successful u-City services in its vicinity. So as one of the core issues for the legal arrangements of successful u-City services, the purpose of the study is to suggest the basic directions and execution strategies for the relationship establishment among u-City service, technology and infrastructure.

  • PDF

A Competitiveness Study Using IPA for Vietnamese Infrastructure Market (IPA 기법을 활용한 베트남 토목시장 진출 역량강화 방안)

  • Jang, Hyoun-Seung;Yu, Jung-Ho
    • KSCE Journal of Civil and Environmental Engineering Research
    • /
    • v.33 no.1
    • /
    • pp.355-362
    • /
    • 2013
  • Korean construction companies has maintained stable market share based on high technology and cost competitiveness although international construction market has been stalled due to increasingly global economy uncertainties. In order to promote the continuous growth and development of overseas construction, Korean construction companies need to secure overseas market information, and to be strongly competitive. Therefore, this study aims to analysis of competitiveness for international construction by business types, in order to enter the Vietnamese infrastructure market, which presents abundant development potential. According to the IPA results, Korean construction industry has weaknesses in its ability to obtain business information and experience, which are the most important factors in entering the overseas construction market, and also presents a lack of feasibility study for creating new construction business. However, this work is still considered to provide the basic data that can help Korean construction companies who plan to enter the Vietnamese infrastructure market strengthen their medium and long-term capabilities.

Eco Recycling measure from the waste of tree in Road Construction site (도로 건설현장 임목폐기물 친환경 재활용 방안)

  • Lee, Yong-Soo;Park, Eun-Ho;Ryu, Sang-Hun
    • Proceedings of the KAIS Fall Conference
    • /
    • 2011.12b
    • /
    • pp.584-586
    • /
    • 2011
  • 본 논문에서는 도로 건설현장에서 발생하는 임목폐기물을 도로 보호길 어깨 포설에 재활용 하는 친환경 방안을 제시하였다. 기존에는 임목폐기물을 폐기물로 분류하여 폐기물 전문업체를 통해 위탁 처리하였으나, 임목폐기물의 효율적인 자원 낭비를 방지하고자 도로 보호길 어깨에 임목폐기물을 파쇄하여 포설하고자 한다. 포설 방법은 보호길 어깨를 굴착하여 파쇄칩을 포설 및 다짐한 후 친환경성 접착제를 살포한다. 위 활용 방안의 가능성을 입증하기 위해 우수 침식시험기를 자체 제작 후 실내시험을 실시하였다. 침식 시험기를 이용한 시험 결과 현장 적용이 가능하다는 결론을 얻었다.

  • PDF

A Study on the inspection item classified by reinforcement method for the construction slope maintenance (건설공사 비탈면 유지관리를 위한 보강공법별 점검항목에 관한 연구)

  • Kim, Yong-Soo;Chang, Buhm-Soo;Shin, Kwan-Young
    • Proceedings of the Korean Geotechical Society Conference
    • /
    • 2005.03a
    • /
    • pp.759-764
    • /
    • 2005
  • With the tunnel to case of the construction slope it executes the periodic maintenance due to an objectivity standard. But, the standard connected with construction slope is not integrated with the important public paper organic enemy and it is duplicated and the standards which conflict are being scattered. Also, it is referred to some specifications simply and the feature which is diffuse appears. Therefore, there is a necessity which it investigates the problem point of the maintenance civil official and it improves rationally and it takes a triangular position a confusedly be standard system. In this research which it sees accomplished the fundamental research against the inspection item classified by reinforcement method for the construction slope maintenance.

  • PDF