• Korean Journal of Construction Engineering and Management
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• v.10 no.1
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• pp.16-25
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• 2009

In construction industry, the cost related to material is different from each other under the characteristic of projects. However, it has 40% of the whole cost in the composition of prime cost. Recently, While the construction work become bigger, specialized and complex, it is complex to carry in materials because of shortage of space. However, in many cases, material management has been underestimated as well as the material management is depending on experience of site managers so it has been studied about frequently. In this study, I suggest four classification methods of material characteristic ETO, ATO, MTO, MTS. I also analyze what the most efficient supply management of the site materials is through researching the characteristics of the material distribution. In conclusion, I would like to build the material management classification for the characteristics of materials.

• Proceedings of the Korean Institute Of Construction Engineering and Management
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• 2007.11a
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• pp.553-557
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• 2007

In general, material cost of a construction project is more than 30$^{\sim}$40% of total construction cost, thus on site material control is very important. The factthat buildings have recently become higher and bigger also increases the importance of on site material control. However, on site material control has not been considered as an important management issue. This study classifies building construction materials considering the material delivery characteristics such as ETO, ATO, MTO and MTS and the unique characteristics of each materials. Using the classification, this study examine the requirements for on site material control of each materials. Finally, this study suggests on site material control systems for each construction material.

• Proceedings of the Korea Information Processing Society Conference
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• 2006.05a
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• pp.525-528
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• 2006

본 논문은 RFID를 이용하여 자재 관리 시스템을 구현한다. 기존의 자재 관리 시스템은 바코드를 이용한 단순 입출고 기능을 한다. 따라서 자재 이동 경로나 자재를 사용하는 부서에 대한 정보를 효율적으로 관리하기 어렵다. 또한 자재의 사용 목적 및 결과를 알 수 없다. 하지만 RFID를 이용하면 이런 문제를 해결할 수 있다. 본 논문의 목적은 RFID 기술을 자재 관리 시스템에 도입하여 대량의 자재를 효율적으로 관리하기 위한 시스템을 설계한다. 상태 관리, 위치 관리, 불량 관리 프로세서를 구현한다. 시스템의 처리 속도를 개선하면서 최적의 데이터를 보여주기 위한 PDA 인터페이스를 구축한다. 마지막으로 사용자 입장에서 시스템의 평가 기준을 마련한다.

• 월간 기계설비
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• s.231
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• pp.90-90
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• 2009

원자재 가격의 계속된 오름세는 그렇지 않아도 힘겨운 설비건설업계를 더욱 옥죄고 있다. 이번 호에서는 4/4분기 주요 자재 전망과 현장 손익관리 요소에 관하여 소견을 내어 보았다. 현장 손익의 핵심 요소는 인건비, 자재비 관리라고 할 수 있는데, 인건비는 단가가 거의 고정이므로 투입 인원 관리 외에 별도로 고려할 내용이 없지만, 자재는 공사기간 내내 변동성이 크므로 특별한 전략이 필요하다고 생각한다. 먼저 자재 동향부터 살펴 보자.

• Proceedings of the Korea Contents Association Conference
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• 2006.05a
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• pp.148-151
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• 2006

This paper is to design materials management system using RFID which is the core technology of ubiquitous. With existing materials management system, it is hard to manage and analysis effectively. But RFID can be the solution of these problems. In this research, it will be studied how to analysis materials management system Workflow and shall be adapted context awareness technology in order to effective materials management as well as input/output function. Also it shall be completed state management process, position management process, badness management process and be designed PDA interface in order to display the most suitable data.

• Proceedings of the Korean Institute Of Construction Engineering and Management
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• autumn
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• pp.299-302
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• 2003

Recently the timely delivery and the appropriate management for construction materials are of great significance in that the buildings are getting complicated and more various materials need to be handled. However, these systems have some problems, and do not seem to work effectively yet. The reason is that the lack of operation scheme for systematic management in project. In this study the efficient scheme for the .material procurement system in construction firms to manage the construction materials efficiently was discussed.

• The Journal of the Korea institute of electronic communication sciences
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• v.10 no.9
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• pp.1027-1032
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• 2015

Using the radio wave, RFID(: Radio Frequency IDentification) wirelessly transmits the unique information saved in a tag attached on the specific object. In the construction area, the trend in using RFID for managing the input and inventory of the construction materials is upward. General management systems for the construction materials have only a function of identifying the tag attached on the construction materials, but the management system with a function of identifying and managing the location information of the construction materials employing RFID, for reusing it, is not actively developed. For the efficient reuse of the construction materials, in this paper, we propose the RFID system with a function of estimating and saving the location information of the specific construction materials, based on the estimated distances between the particular subs and reader. The proposed system consists of RFID reader, distance estimate, communication, and memory units.

• Proceedings of the Korea Society for Industrial Systems Conference
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• 1999.05a
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• pp.163-170
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• 1999

본 연구에서는 강릉에 소재한 자동차 기어 전문생산업체인 E사의 창고관리에 바-코드시스템을 구축한 사례를 다룬다. 개발된 시스템은 판매관리, 생산관리, 자재관리, 자료관리를 통합한 통합생산관리시스템에 연계되어 운영되도록 설계되었다. 바-코드 시스템의 도입으로 참고에서 입출고 활동이 발생될 때마다 그 처리는 5자리의 위치코드를 포함하는 13자리의 바-코드와 자재수량 입력에 의해 신속하고 정확하게 수행된다. 결론적으로 통합생산관리시스템과 연계된 자동창고관리시스템은 창고에서의 실제수량과 장부상의 수량를 자동적으로 일치시켜 주게 되었으며, 이것은 또한 실시간으로 자재수량의 파악을 가능하게 해 주었다.

• Journal of the Korea Institute of Building Construction
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• v.11 no.3
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• pp.319-325
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• 2011

During a construction project, construction managers must be provided with material information to help them to make decisions more efficiently without delaying the delivery of material. Construction work can be smoothly performed with the proper material supply. Construction duration depends on several material-related decisions, including the order, delivery, and allocation of material to the correct work location. Hence, it is worthwhile to introduce data warehouse techniques that generate subject-oriented and integrated data to construction material management. The data warehouse for construction material management can perform multidimensional analysis and then define KPIs (Key Performance Index) in order to provide construction managers with construction material information such as lead time, material delivery rate, material installation rate and so on. This research proposes a method of effectively facilitating large amounts of data in the operating systems during the construction management process. In other words, the proposed method can supply structured and multi-perspective material-related information using data warehouse techniques.

• Plant Journal
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• v.11 no.1
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• pp.39-49
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• 2015

The objective of this study is to improve the classification structure of commodity code for piping material management which is considered as the fundamental of commodity code and piping material management system. It enhances the efficiency of piping material management directly or indirectly affecting the engineering, procurement and construction in a petrochemical plant projects. To establish an improved code classification structure, this study identifies the problems of former code classification structure in details, as well as the characteristics of other domestic and global EPC company's code classification structures and presents the improved direction considering the recently mega-sized and specialized projects. Accordingly, to efficiently enhance piping material management, the improved code classification structures have been derived from defining suitable code classification structure for specific piping component, adding more standard attribute, expanding the number of code digits and classifying code hierarchy. The results of applying the improved classification structure of commodity code to on-going project have led to reduce the rate of rework from 4.98% to 2.48% for developing purchase description and also have saved working time for executing piping design by 3D modeling from 6 months by two persons to 4 months by a person which is decreased 67% consequently. In addition, the structures of pyramid code management have resulted to accumulation and analysis of the various piping data for other disciplines such as procurement and estimation team which require commodity code information through the company's material control system.