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J I Lather, G A Macht, R M Leicht, J I Messner

Development of Indices for User Perceptions of Interactive Technologies in Construction Engineering

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Full text: content.pdf (2,028,098 bytes) (available to registered users only)

Series: w78:2016 (browse)
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Leicht, Robert; Maldovan, Kurt; and Messner, John

A Framework to Analyze The Effectiveness of Team Interactions in Virtual Environments

Abstract: Appropriate technology use has been shown to provide added value for team collaboration in the design and construction process. Evidence of this value has been demonstrated and measured using various techniques, ranging from the perception-based surveys of individuals involved in tasks to measured results of the collaborative tasks. Recently, several studies have focused on the effectiveness of these collaborations by measuring the different aspects of the discussion during team meetings. The measures of effectiveness employed, however, have focused primarily on the content of the discussions as a means of measuring the effectiveness. This paper explores the application of various coding schemes and metrics to quantitatively measure team performance during tasks which are performed in virtual environments and interactive workspaces. The proposed metrics are developed from theories in several related fields to show the opportunities for expanding the methodologies to measure the impact of virtual environment interaction. Finally, the framework is presented with measures to include the impacts of the virtual environment, and provide metrics which can be used to rate the level of effectiveness of team collaboration.

Keywords: virtual environments, coding, collaboration, communication

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Full text: content.pdf (250,525 bytes) (available to registered users only)

Series: convr:2007 (browse)
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Lingyun Wang, John I. Messner, Robert Leicht

Assessement of 4D modeling for schedule visualization in construction engineering education

Abstract: This paper describes a longitudinal study to assess the value of using 4D modeling in construction engi-neering education for schedule visualization. In 2005, a preliminary 4D learning module was developed and incorpo-rated in a project management course to help students learn how to develop a Short Interval Production Schedule. Comparative assessment methods were used to examine the learning product (solution quality). Direct observation and surveys were used to examine presentation effectiveness and student perceptions. This assessment concluded that 4D modeling is an effective learning aid for students to better achieve learning outcomes. In 2006, a more rigorous as-sessment methodology was designed to determine the impact of the 4D learning module on both the learning process and final exercise product. In addition to examining a traditional 4D modeling process, we also developed a 4D model generation interface titled the Virtual Construction Simulator (VCS), which allows students to generate a construction schedule directly from a 3D model. Ten student groups using these two interfaces were observed, videotaped, analyzed and compared. The final results from a detailed content analysis of the videotapes shows that both processes were valuable for improving the students’ learning experience. The VCS interface showed additional value beyond the cur-rent 4D CAD application.

Keywords: 4D modeling, engineering education, schedule visualization, game engine

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Full text: content.pdf (154,062 bytes) (available to registered users only)

Series: w78:2007 (browse)
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Robert M. Leicht, John I. Messner

Comparing traditional schematic design documentation to a schematic building information model

Abstract: The use of Building Information Models has recently moved to a focal point in the Architecture, Engineer-ing, and Construction (AEC) Industry. While there has been much attention on the added value of the modeling process, little focus has been given to the documentation and project requirements in the early stages of the design. This research focuses on a case study project of the new Dickinson School of Law (DSL) building at Penn State Univer-sity. The research identifies the areas which provide added value through the use of BIM at the Schematic Design (SD) stage for communication of information and the manner the information is obtained. The focus of the paper, however, is on the issues that arise in how building geometry, building information, and building analysis and simulations are viewed and their potential impact on the Schematic Design phase of a project. To conduct this research, the completed Schematic Design documentation, including drawing system descriptions, and preliminary specifications, was obtained for the DSL building. This Schematic Design information was then converted to a Building Information Model and in-formation related to different building components was incorporated. An analysis was performed, based on the Univer-sity’s design requirements, to assess the information that can be incorporated and utilized. Feedback through inter-views was also documented to define the perceived value of a Schematic level BIM for the project. The conclusions identify the likely value that a project owner can derive from instituting schematic design BIM requirements and con-siderations when defining the scope of BIM requirements for Schematic Design. The results of the model analysis and the interviews are presented in the paper.

Keywords: building information modeling, BIM, schematic design, visualization, case study

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Full text: content.pdf (730,439 bytes) (available to registered users only)

Series: w78:2007 (browse)
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Robert M. Leicht, Sonali Kumar, Moawia Abdelkarim, John I. Messner

Gaining End User Involvement through Virtual Reality Mock-Ups: A Medical Facility Case Study

Abstract: The use of construction mock-ups have become common practice to validate design and work throughconstructability challenges. The use of physical mock-ups offer significant benefits as a communication toolamongst the project team but must be balanced with a potentially large costs to construct. With the advent ofmany new virtual prototyping technologies, project teams now have the potential to perform mock-ups in virtualenvironments. This paper will present a case study of a 14,000 m2 (150,000 ft2) medical office constructionproject which used both physical and virtual mock-ups to allow the facility to meet end-user needs with minimalre-work during the on-site construction. The virtual mock-up was carried out using the Immersive ConstructionLab at Penn State to review a rendered model of single occurrence space in the facility. The paper willdemonstrate the end-user and construction team feedback about the virtual mock-up processes and the benefitsand challenges it presents.

Keywords: virtual mock-ups, BIM, End-user involvement, design review

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Full text: content.pdf (119,395 bytes) (available to registered users only)

Series: w78:2010 (browse)
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