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, Jagbeck A, Karstila K

Concurrent engineering in the tendering process of building and construction

Abstract: CONCUR (Concurrent Design and Engineering in Building and Civil Engineering) is a four year initiative in the European Union Brite-EuRam workprogramme involving industry partners Skanska (Se), IVO Power Engineering (Fi) and Taylor Woodrow (UK), the specification body STABU (Nl), R and D institutions VTT (Fi) and TNO (Nl), and universities DUT (Nl) and KTH (Se). The project will develop, implement and industrially deploy an integrated CAx environment for concurrent construction tendering. CONCUR is addressing the integration of information in the stages which lead to submission of tenders. The goal is to reduce tendering cost by 30 - 50% using integrated information systems and applications. The tendering process is a complex process involving many disciplines each of which uses different types of information. . In essence it is an information refinement process, in each refinement cycle addressing the high risk aspects of the moment. In CONCUR we are addressing the integrated use of information and applications, using Project (Product and Process) Data Technology Using the major informational items the refinement process will come to information specifications. The specifications being derived are not re-invented but use is made of existing and emerging standards such as STEP and IAI. Results of the CONCUR efforts can be fed back to STEP and IAI.

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Series: w78:1998 (browse)
Cluster: papers of the same cluster (result of machine made clusters)
Class: class.represent (0.023671) class.environment (0.015688) class.impact (0.011018)
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Permission to reproduce these papers has been graciously provided by Royal Institute of Technology, Stockholm, Sweden. The assistance of the editors, Prof. Bo-Christer Björk and Dr. Adina Jägbeck, is gratefully appreciated.


_. Jarský

Modelling of buildings and projects with utility assessment

Abstract: The paper describes the methodology of computer modelling of the building process of facilities and projects with utility assessment and the main principles of the integrated cost estimation, project management and quality assurance microcomputer based system developed recently. This expert system is based on quick modeling of the building process by use of typical construction technology network diagrams, which can be prepared in advance. The typical network diagrams can be modified according to the spatial conditions of a certain building and to the amount of construction works and materials. For utility assessment a vector of 10 main aspects (criteria) was created with a common measure unit and certain level of importance each. A database of construction processes was created including the aspects for utility assessment. Thanks to these features the model of the building process can be made about 50 times quicker than current project management systems and it can be used for bidding, project planning and management and utility assessment.

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Series: w78:2009 (browse)
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A Almohsen, Janaka Ruwanpura

Logistics Management in Construction Industry

Abstract: The construction industry is often slower to adopt new technologies than other industries. Yet the construction industry shall embrace these technologies sufficiently in order to keep up with advances in other trades. One of the most crucial elements in construction management is productivity. And the adopting of new technologies such as mobile-based application can increase construction project productivity in such areas as materials management, tool use time, and labour motivations. Most of these aspects have been thoroughly investigated in academia; however, logistics management and its contribution to construction productivity have been insufficiently investigated, especially with respect to the use of advanced technologies. In this paper, we propose to develop a new platform to utilize modern technologies in the construction industry. Hence, the main objective of this paper is to introduce mobile-based application technologies into construction industry that will improve construction productivity by enhancing logistics management practices. The use of this model will not only help increase productivity in the construction industry but also it will make this industry more competitive with other industries. In order to achieve the main the goal of the paper, different building construction sites have been selected from which to collect data using direct observation, interviews and questionnaires. In order to ensure a high quality result, all participants were selected based on their relationship to the subject being examined. By using the outcomes of the data analysis to identify a potential solution, a computerized logistical management model was developed to examine how to enhance construction productivity and to improve logistics management practices. Many positive opinions have been granted form different constriction experts. Facilitating the communications between such project participants as contactors, subcontractors and suppliers is another expected result. Also, the model would help in organizing the schedule for the use of such heavy equipment as cranes.

Keywords: logistics management, advanced mobile-based application technologies, construction materials and equipment.

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Series: w78:2011 (browse)
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A. Borrmann, Y. Ji, I.-C. Wu, M. Obergrießer, E. Rank, C. Klaubert & W. Günthner

ForBAU – The virtual construction site project

Abstract: The paper introduces the Bavarian research cluster ForBAU which has been launched in January 2008 with the aim of an improved planning and management of construction sites, especially in infrastructure projects. To realize this goal, the research cluster focuses on developing a virtual representation of the construction site which involves all essential aspects, including models of the buildings under construction, the environmental boundary conditions, the construction procedure, the logistics processes, and the required resources. The resulting virtual construction site forms one the one hand the basis for simulating the construction process, which allows to identify critical aspects of the construction project in advance and to adapt the resources and the scheduling accordingly. On the other hand, the holistic virtual representation of the real construction site is used during the execution phase to capture all available information about the project – enabling site managers, controllers and engineers to get a detailed overview on its progress and identify potential problems in an early stage.

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A. Dikbas, P. Ercoskun & K. Ercoskun

Enabling Sustainability through SOA within the AEC/FM Domain

Abstract: Sustainability is one of the most important research topics for the Architecture/Engineering/Construction & Facility Management (AEC/FM) domain. Two basic factors which enable sustainability are the technology background and the acquisition capability of this technology to the end users – society. Sustainability requires state of the art technologies which reduce the negative impact of population and affiliation. Key aspects of such technology are; it should depend on renewable resources, without waste, cyclical, based on resource productivity rather than labor productivity, and should even be restorative in its effects on the biosphere. Theproblem is, today establishing such technology is not affordable for the average end user. Development, implication, and acquisition of such technologies takes reasonable time though signs from our earth warns usthat we have no more time. The problem itself contains a lot of interoperability challenges in Information Technology (IT), Process and Organizational levels. Although many governments deploy incentives to promote investments on sustainable technologies, money is not the only measure for the market penetration of a technology. A user oriented approach is developed and a proposal is made to elaborate on the problem as a whole within a reference process model. The model determines the key functions, mechanisms and controls, to enable the design and development of sustainable technologies and facilitate the acquisition of those technologies to the society. The process model basically focuses on the Facility Management processes and addresses many aspects of the problem including financial, legal, and ethical issues. The model benefits from Customer Relationship Management (CRM) solutions for construction sector from a previous research and promotes a Service Oriented Architecture (SOA) for tracking the lifetime of sustainable technologies. The model includes decision support functions for the design phase, marketing and competency functions for the implication and acquisition phase, and measurement and evaluation functions for the use phase. The preliminary solution includes business processes rather then IT solutions but interoperability solutions on the IT layer also have been discussed for sustainable development. The model is under development within the joint efforts of a EU funded FP6 project I3CON (Industrialised, Integrated, Intelligent Construction) and a PhD research. It is believed that the model would facilitate the widespread recognition of the requirement of a radical switch to the sustainable technologies.

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A. Fuertes, M. Casals, N. Forcada, M. Gangolells & X. Roca

Creating new ways of learning in architecture and building: MACE Project

Abstract: This paper presents the European MACE project (Metadata for Architectural Contents in Europe), a project that sets out to transform the ways of e-learning about architecture and building in Europe by integrating vast amount of content from diverse repositories created in several previous projects as well as from existing architectural design and building engineering communities. Moreover, an application scenario dealing with management aspects in construction engineering is presented in order to show new ways of learning through the use of online repositories such as MACE is.

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A. Gehre, P. Katranuschkov, R. J. Scherer

Managing virtual organization processes by semantic web ontologies

Abstract: Interoperability within Virtual Organisations (VOs) is still only weakly supported by IT frameworks. Whilst service level interoperability has made remarkable progress since the emergence and the rapid growth of SOA and Grid technology in the last years, business processes – which are the driving force of each VO – still suffer distinct conceptual gaps regarding their decomposition to technical transactions. There exists no detailed approach that would allow describing technical as well as business aspects in a coherent yet flexible and extensible way. This paper presents a newly developed semantic framework that targets this requirement. The conceptual background is followed by an introduction of the developed semantic web ontologies. Based on these definitions, dedicated Ontology Services as well as a set of related end-user applications facilitating semantic technology have been designed and implemented. They are presented in the second part of the paper. Reported are results from the EU project InteliGrid (IST-004664; 2004-2007).

Keywords: semantic web, ontologies, virtual organisation, process modelling, process management

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Series: w78:2007 (browse)
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Aaron Costin and Charles Eastman

Requirements for Ontology Development in the AECO Industry

Abstract: This paper presents and discusses the requirements needed for the development of ontologies in the Architecture, Engineering, Construction, and Operation (AECO) Industry. With the increase of information modeling for all aspects of a construction project with a variety of software tools and technologies, there has been a major need of communication and exchange of information. An approach to improve seamless information exchanges is the use of ontologies. One major benefit of using ontologies is that the information and knowledge defined in the ontologies can be shared across domains. However, to do so requires standardized rules and requirements in order to share and promote reuse at the domain level. Significantly, with the increased demand of ontologies in the AECO industry, there needs to be standardization and consensus in the development and use of the ontologies to ensure the seamless transfer of information as well as realizing the full benefits of ontologies.

Keywords: Ontology, Information Exchange, Semantics, Logic, Taxonomy, AECO Industry

DOI: https://doi.org/10.24928/JC3-2017/0149

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AB Cremers, S Alda & U Radetzki

Towards Semantic Grid in Construction Informatics

Abstract: Civil Engineering increasingly requires efficient Virtual Organizations of heterogeneous partners and facilities. Mainly four software architecture paradigms originating from the area of distributed computing have influenced the implementation of supporting software systems for Virtual Organizations: Grid, Peer-to-Peer, Agent as well as Web Service architectures. Each architecture paradigm accounts for different technical aspects that promote the realization of such software systems. The unification of these paradigms towards an integrated architecture has, to date, not been achieved. This keynote paper summarizes the state-of-the-art architecture paradigms and proposes elementary design issues for an integrating architecture. This architecture incorporates ontologies for regulating the communication and interoperability among different services. An application scenario finally demonstrates the usage of such an architecture.

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Series: w78:2005 (browse)
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Permission to reproduce these papers has been graciously provided by the Technische Universität Dresden.


Aisha Abuelmaatti, Vian Ahmed

Collaborative Environments and its Effects on Construction Companies: The Current Context

Abstract: The ability of Information and Communication Technology (ICT) to improve and enhance organisation’ productivity as well as their competitive situation has never been greater. Emerging technologies in the UK offer the construction industry many opportunities for computer supported collaborative environments, with regards to addressing some of the aspects that result in a complicated and complex construction process. However, the organisations adopting these technologies usually fail in achieving the full benefits from their implementations. Previous studies in the area have shown that 80 to 90 per cent of ICT investment did not meet their performance objectives. The fact of the matter is that collaborative environments have been evolving and effectively employed in large organisations and are believed to have high potential for Small and Medium Enterprises (SMEs), but the use of collaboration technology remains low among 99% of enterprises in the UK construction industry usually referred to as SMEs employing less than 250 employees. The growing popularity of collaborative environments in the construction industry has, unfortunately, not been matched by parallel empirical research for SMEs.The work reported in this paper serves two purposes. First, the results of an intensive literature review reveals general causes of failure in ICT implementations, and the key areas to focus on during ICT implementation for collaborative working. Second, results from exploratory case study that was conducted in order to assess the use of collaborative environments and their adaptation approaches are analysed in order to further explain what issues are preventing SMEs from achieving their utmost collaboration potential. Therefore, the paper blends a combination of factors which may affect the success of collaborative environments for SMEs and are believed to contribute towards the improvement and implementation of collaboration systems.

Keywords: Construction, ICT standards, re-engineering

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Series: w78:2010 (browse)
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