• 한국방재학회:학술대회논문집
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• 2011.02a
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• pp.164-164
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• 2011

최근들어 교량 건설 프로젝트는 그 규모가 방대해 졌을 뿐만아니라, 건설에 사용되는 장비 및 자재, 인력의 종류 또한 다양해 지고 있다. 이에 따라 종래 구조적 안전만을 추구하던 건설현장은 이러한 제반 요소들을 효율적으로 관리하여 경제성뿐만 아니라 시공의 효율성 까지 고려할 수밖에 없게 되었다. 따라서 건설 현장의 진도 및 자재, 인력관리는 현대 건설 산업의 주요 과제라 할 수 있다. 이에 따라 본 연구에서는 현장의 시공정보를 무선으로 송신할 수 있는 단말기 및 RFID를 이용하여 종래에 시행되던 작업을 자동화함으로써 작업의 편리성을 도모하고 이를 통하여 시간과 인력의 낭비를 줄일 수 있는 시공관리 시스템에 대한 모듈을 제안 하였다. 제안된 시스템은 3D모델을 기반으로 하여 진도 및 공비를 한눈에 알아볼 수 있는 방안을 제시한다. 사용자는 현재 진행되고 있는 공정을 3차원 모델에서 확인할 수 있으며, 현재까지 사용된 비용 및 공정률을 손쉽게 확인할 수 있다. 3D모델은 공사 시작 전 공정에 맞추어 분절된 형태로 제작되어 현장에서 송신한 위치정보가 통합관리 시스템에서 수신되면 해당 새그가 화면에 나타나게 된다. 3D모델은 공정시각화의 역할을 할 뿐만 아니라 각 새그에는 사용된 자재의 종류나 수량등이 DB화 되어 있어, 실시간으로 공사에 사용된 물량을 산출 할수 있도록 한다. 시공정보의 수신은 각 자재에 부착한 RFID태그를 직접 읽어서 송신하거나, 작업자가 시공상황을 단말기를 통하여 직점 송신함으로써 이루어지게 된다. 수집된 시공정보는 3D모델과 연계됨과 동시에 통합관리 시스템에 내장된 DB와 연결되어 사용 자재 및 물량에 대한 비용산출에 중요한 역할을 하게 된다. 현재 우리나라의 교량 시공 현장에서는 기성청구시 내역서를 기준으로 비용을 산정하게 되는데, 시공관리 통합 프로그램에서는 각 공정이 DB화된 내역서와 연계되어 3D모델에서 얻어진 물량으로 공비를 산출하는 과정이 자동으로 이루어지게 된다. 이러한 과정은 단일 현장뿐만 아니라, 공구 내의 여러 교량 현장에 대하여도 적용이 가능하므로, 방대한 현장의 공사관리에 소요되던 시간과 노력을 절감 할 수 있다. 본 연구를 통하여 현장에서 이루어지는 공사관리 작업에 대해 IT기술을 접목하여 자동화 할 수 있는 방법에 대한 알고리즘을 제시하였다. 이는 모바일 오피스 및 단말기를 이용하여 현 공정까지 사용된 물량, 인력, 장비 정보를 관리하는 한편, 현재까지 진행된 공사 내용을 3D모델을 통하여 한눈에 알아볼수 있는 교량 건설현장 통합관리 시스템의 모듈을 제공한다. 이에따라 공무 작업에 소모되는 인력 및 시간을 크게 절약 할 수 있을 것이라 판단된다.

• Korean Journal of Construction Engineering and Management
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• v.9 no.2
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• pp.159-169
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• 2008

Recently, domestic construction projects Have become more high-rised, bigger, sophisticated, so necessity of logistics and progress management through application of various management theories has also been increased and development of IT technologies like RFID can help to improve management method, although the existing logistics and progress management studies are applied only to single progress or important material. It is a basic research for integrated framework for logistics and progress management. An analysis on the characteristics of RFID tech was performed for major materials or components of each work item in office building projects. This paper will make foundation of integrated framework for logistics and progress management in construction project, utilizing RFID technology by analysing materials type like materials which can be chased and measured, materials which can be chased and measured by certain methodologies, materials which can be chased and measured by future technologies, materials which are difficult to be chased and measured. So we can effectively control logistics and progress management, appling the optimum RFID technology to each construction project, and we need to study out solution in order to overcome RFID technology limitation through development of specification counterproposal about delicate materials of the RFID technology application.

• Journal of the Korea Institute of Building Construction
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• v.9 no.5
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• pp.87-93
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• 2009

A construction supply chain needs an integrated information system, as the general contractor and subcontractors must communicate regularly with one another and share a substantial amount of information in their cooperative work. In the construction industry, supply chain management is necessary in the management of a system, including business process improvement, participant-oriented management, and the supply chain. This research proposed a supporting system and developed the prototype focusing on materials that play an important role in the supply chain. Construction projects are managed mainly through schedule management. As such, supply chain management should be linked with schedule management. The research implemented a prototype of the supporting system for construction supply chain management. The prototype was implemented in Microsoft Project using VBA, including a simulation tool based on @Risk for Project.

• Proceedings of the Korean Institute Of Construction Engineering and Management
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• 2004.11a
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• pp.539-542
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• 2004

Nowadays, High-rise building becomes higher and bigger than ever. As a result, lots of construction materials are needed at the same times. Because of divided diverse process of construction, several different Processes concur simultaneously with complexity of procurement. So, effective construction material supply and lift-up are essential part of the spot. Especially, when ending part of construction, there are much conflict between finishing and equipment materials also problems of folding lift-up. The Purpose of this paper is suggesting better effective lift-up system through analysis of loading factors.

• Proceedings of the Korean Institute Of Construction Engineering and Management
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• 2007.11a
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• pp.182-189
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• 2007

To reform and improve the productivity of construction industry, 1) it should be encouraged to improve the construction production process and 2) it is required to enhance reliability of construction information based on the systematic thinking process. To promote the information reliability created during construction production process, Lean Construction Research Center(LRC2) is developing a supporting system to improve design/material supply/schedule management, functioning to efficiently manage the information created at construction production processes and developing a web based construction information system that provides result management/decision making support/knowledge based information services.

• Proceedings of the Korean Institute Of Construction Engineering and Management
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• 2008.11a
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• pp.708-711
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• 2008

This study is intended to build research for ways to utilize material information in the design and working business for public works. The contents and results of this study can be classified into object-oriented DB application to bridge construction and object-oriented DB utilization of civil material information. First, application of object-oriented DB to bridge construction 1) constructs the work unit of classified work table as an object(Each object constructs material information on the statement of quantity calculation as data), 2) constructs object-oriented DB for superstructure and substructure of PSC Beam bridge, 3) leads to the research for ways to utilize materials by developing 3D bridge prototype with REVIT structure. Secondly, ways to utilize object-oriented DB for civil material information identified the possibility for utilizing it in making 2D drawings for design work, preparing materials list, analyzing structure for working businesses, selecting and purchasing materials, managing process and maintaining. It is suggested that the results of this study should be applied to all bridge constructions through test-bed and additional studies so as to secure the credibility of the results of this study.

• KSCE Journal of Civil and Environmental Engineering Research
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• v.43 no.1
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• pp.79-89
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• 2023

The inventory of many materials requires a large storage space, and the longer the storage period, the higher the potential maintenance cost. When materials are stored on a construction site, there are also concerns about safety due to the reduction of room for movement and working. On the other hand, construction sites that do not store materials have insufficient inventory, making it difficult to respond to demands such as sudden design changes. Ordering materials is then subject to delays and extra costs. Although securing an appropriate amount of inventory is important, in many cases, material management on a construction site depends on the experience of the site manager, so a reasonable material inventory management plan that reflects the construction conditions of a site is required. This study proposes an economical material management method by reflecting variables such as the status of the preceding and following activities, site size, material delivery cost, timing of an order, and quantity of orders. To this end, we set the appropriate inventory amount while adjusting related activities in the activity network, using float time for each activity, the size of the yard, and the order quantity as the main variables, and applied a genetic algorithm to this process to suggest the optimal order timing and order quantity. The material delivery cost derived from the results is set as a fitness index and the efficiency of inventory management was verified through a case application.

• Journal of the Korea Computer Industry Society
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• v.7 no.4
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• pp.281-292
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• 2006

A general purpose ERP system is often unsuitable to manage the products of a small and medium enterprise. Thus, it is necessary to develop and use a system which is suitable for characteristic of an enterprise. In this paper, we implement a raw and subsidiary materials management system which controls the many products of an enterprise producing electrical wire. First, we design a database of raw and subsidiary materials information for production process. Second, we develop an automatic calculation module which computes the necessary quantify of materials to produce goods ordered. Third, the proposed system manages purchasing and selling data of raw and subsidiary materials in production process. Finally, we implement not only a history management module of storage and delivery, but also a print module of history summary report.

• The Optical Journal
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• v.12 no.5 s.69
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• pp.13-16
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• 2000

이번 호부터 6회동안 중소기업의 경쟁력 강화 방안을 연재할 예정이다. 필자는 기술지도사로 광학업체를 비롯한 다양한 기업의 경영 진단$\cdot$지도 경험을 토대로 체계적인 조언을 해 합리적인 경영을 도울 것이다. 주제는 1. 경영자의 경영철학 및 수완, MIND 2. 생산관리 실시 현황(추진 조직, 생산 계획, 작업 실시 및 분배, 진도 관리, 자재 관리)3. 공정관리(공정관리 업무, 중점 관리 항목 관리, 공정 투입 시점 관리, 진

• Korean Journal of Construction Engineering and Management
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• v.5 no.2 s.18
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• pp.106-114
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• 2004

As the scale of construction work is enlarged, complicated and diversified, much construction information from the large number of construction sites is generated and reported to the head office. To control much information generated in construction sites simultaneously, the necessity of supporting system which could extract necessary information is increased. However, comparing with those of large companies, medium-sized companies's organization of head office and management system are weak. So it's difficult to manage multi-projects. Among these site managements, resource management is an important management area. But, resource planning is based on experience and judgement and has not associated with schedule information. So when schedule is changed, the plan must be amended manually. This study investigates material-planning model for multi-project management which is connected with daily report system and scheduling software.