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AbulHassan, H S (2001) A framework for applying concurrent engineering principles to the construction industry, Unpublished PhD Thesis, , The Pennsylvania State University.
Akanmu, A A (2012) Towards cyber-physical systems integration in construction, Unpublished PhD Thesis, , Pennsylvania State University.
Balina, C M (2002) Using labor productivity data to evaluate the application of lean principles to the concrete construction process, Unpublished PhD Thesis, , Pennsylvania State University.
Bhawani, S (2021) A function-based lean construction methods ontology supporting the lean implementation planning process developed for construction projects, Unpublished PhD Thesis, , Pennsylvania State University.
Castronovo, F (2016) Assessing problem-solving skills in construction education with the virtual construction simulator, Unpublished PhD Thesis, , Pennsylvania State University.
Chen, C (2005) Entry strategies for international construction markets, Unpublished PhD Thesis, , The Pennsylvania State University.
Corbett, D I (1997) Quantifying quality in industrial construction, Unpublished PhD Thesis, , The Pennsylvania State University.
Dubler, C R (2011) Evaluating waste associated with building information exchange using lean theory, Unpublished PhD Thesis, , The Pennsylvania State University.
El-Aroud, A S (1980) Road network investment model for developing countries, Unpublished PhD Thesis, , Pennsylvania State University.
Enache-Pommer, E (2010) A synergistic approach to green building delivery, lean principles and building information modeling in the design of healthcare facilities, Unpublished PhD Thesis, , The Pennsylvania State University.
Franz, B W (2014) Modeling the role of team integration and group cohesion in construction project performance, Unpublished PhD Thesis, , Pennsylvania State University.
Gabrielli, M F (2009) Structural analysis of auction models, Unpublished PhD Thesis, , The Pennsylvania State University.
Gannon, E J (1998) A life-cycle cost model for use in the optimization of concrete bridge deck repair and rehabilitation, Unpublished PhD Thesis, , The Pennsylvania State University.
Gultekin, P (2015) An integrated process model and decision support system for energy efficient retrofits, Unpublished PhD Thesis, , The Pennsylvania State University.
Handojo, T (2001) The framework of a statistical acceptance plan based on the permanent deformation potential of asphalt concrete, Unpublished PhD Thesis, , Pennsylvania State University.
Hanna, A S (1989) An interactive knowledge-based formwork selection system for buildings, Unpublished PhD Thesis, , Pennsylvania State University.
Jafar Ramaji, I (2016) An integrated building information modeling (BIM) framework for multi-story modular buildings, Unpublished PhD Thesis, , Pennsylvania State University.
Jiang, L (2016) A constructability review ontology to support automated rule checking leveraging building information models, Unpublished PhD Thesis, , The Pennsylvania State University.
Jung, Y J (2007) Subsurface utility engineering for highway projects: A study of utility impact rating and benefit-cost analysis, Unpublished PhD Thesis, , Pennsylvania State University.
Kalamaras, G S (1996) A case method approach for interactive risk analysis of tunnel "design-for-constructability" concept, Unpublished PhD Thesis, , The Pennsylvania State University.
Kamel Hedayat Abad, M E (2017) Integration and interoperability of building envelope information and energy modeling, Unpublished PhD Thesis, , Pennsylvania State University.
Kerns, W R (1971) Criteria for determining economic priorities in awarding sewage facility construction grants, Unpublished PhD Thesis, , The Pennsylvania State University.
Klotz, L (2008) Process transparency for sustainable building delivery, Unpublished PhD Thesis, , Pennsylvania State University.
Konchar, M D (1997) A comparison of United States project delivery systems, Unpublished PhD Thesis, , The Pennsylvania State University.
Korkmaz, S (2007) Piloting evaluation metrics for high performance green building project delivery, Unpublished PhD Thesis, , The Pennsylvania State University.
Kreider, R G (2013) An ontology of the uses of building information modeling, Unpublished PhD Thesis, , Pennsylvania State University.
Kumar, S (2013) Experience-based design review of healthcare facilities using interactive virtual prototypes, Unpublished PhD Thesis, , The Pennsylvania State University.
Kuntz, K A (1994) A construction crew evaluation model to improve craft productivity, Unpublished PhD Thesis, , The Pennsylvania State University.
Lather, J I (2019) A hybrid modeling approach using discrete event simulation and layout optimization for healthcare layout planning problems, Unpublished PhD Thesis, , The Pennsylvania State University.
Leicht, R M (2009) A framework for planning effective collaboration using interactive workspaces, Unpublished PhD Thesis, , Pennsylvania State University.
Liu, F (2015) Integrated change and knowledge management for energy efficient retrofit projects, Unpublished PhD Thesis, , Pennsylvania State University.
Luo, Y (2008) Decision support for prefabrication strategy selection on building systems, Unpublished PhD Thesis, , Pennsylvania State University.
Lynch, T D (1996) A transaction cost framework for evaluating construction project organizations, Unpublished PhD Thesis, , Pennsylvania State University.
Mace, B K (2001) A production control model for commercial construction, Unpublished PhD Thesis, , Pennsylvania State University.
Magent, C S (2005) A process and competency-based approach to high performance building design, Unpublished PhD Thesis, , The Pennsylvania State University.
McIntyre, C (1996) A decision support system for the residential land development site selection process, Unpublished PhD Thesis, , The Pennsylvania State University.
Messner, J I (1994) An information framework for evaluating international construction projects, Unpublished PhD Thesis, , Pennsylvania State University.
Mohammadpour, A (2014) Retrofitting healthcare facilities to enhance patient safety and energy efficiency, Unpublished PhD Thesis, , The Pennsylvania State University.
Mostavi, E (2018) Development of multiple criteria decision making instrument in designing of high performance commercial buildings, Unpublished PhD Thesis, , Pennsylvania State University.
Napolitan, C L (1995) Improvement to the forecast precision of the factor model for masonry productivity, Unpublished PhD Thesis, , Pennsylvania State University.
- Type: Thesis
- Keywords: accuracy; complexity; masonry; forecasting; productivity; mason
- ISBN/ISSN:
- URL: https://www.proquest.com/docview/304233345
- Abstract:
Several techniques exist for forecasting productivity of labor-intensive construction activities. The Factor Model is one approach. This method theorizes that productivity is influenced by factors in the work and in the environment. The factors in the work can be identified and quantified. A regression model is created from an analysis of these factors and the model equation is used to predict productivity. The Factor Model for masonry has been demonstrated as a reliable and accurate forecasting method on average; however, precision can be off for any single project. Improvement to the forecast precision of the Factor Model is the focus of the research. More than 900 days of daily productivity observations from 25 projects were analyzed. Analysis of variance, correlation and multivariate regression were used in the study. The study defines a new factor and establishes a revised model structure for predicting masonry productivity. A complexity variable is quantified for exterior and foundation work and incorporated into the revised model structure. The new model is called the Complexity Model. Forecasts of productivity using the Complexity Model and the Factor Model are compared for eight projects at the 5% to 25% completion stage. At 5% project completion, the Complexity Model forecasts are 6% more precise than the Factor Model forecasts. Accuracy decreases by approximately the same percentage. For one group, consisting of four projects with small first-day variation, the Complexity Model showed a 40% improvement in both forecast accuracy and precision. The findings provide an understanding in explaining, predicting and forecasting labor-intensive resources for construction operations. Further research is indicated.
Nguyen, T-H (1999) Automated deduction of topological information in a computer-based building design system, Unpublished PhD Thesis, , The Pennsylvania State University.
Nikolić, D (2011) Evaluating a simulation game in construction engineering education: The virtual construction simulator 3, Unpublished PhD Thesis, , Pennsylvania State University.
Park, T i (2009) A comprehensive asset management system for sewer infrastructures, Unpublished PhD Thesis, , Pennsylvania State University.
Phelps, A F (2008) Lean information flow in complex healthcare projects and the role of the “integrator” as information flow manager, Unpublished PhD Thesis, , Pennsylvania State University.
Pulaski, M H (2005) The alignment of sustainability and constructability: A continuous value enhancement process, Unpublished PhD Thesis, , Pennsylvania State University.
Riley, D R (1994) Modeling the space behavior of construction activities, Unpublished PhD Thesis, , Pennsylvania State University.
Safari, M (2019) A regenerative approach to development and construction of building energy retrofit projects, Unpublished PhD Thesis, , Pennsylvania State University.
Sanders, S R (1989) An analysis of factors affecting labor productivity in masonry construction, Unpublished PhD Thesis, , Pennsylvania State University.
Solnosky, R L (2013) Integrated structural process model: An inclusive non-material specific approach to determining the required tasks and information exchanges for structural building information modeling, Unpublished PhD Thesis, , Pennsylvania State University.
Sprau Coulter, T L (2014) Improving energy audit process and report outcomes through planning initiatives, Unpublished PhD Thesis, , The Pennsylvania State University.
Syal, M G (1992) Construction process knowledge model to assist method selection in project planning, Unpublished PhD Thesis, , Pennsylvania State University.
Uhlik, F T, III (1984) Optimizing earthwork estimating for highway construction, Unpublished PhD Thesis, , Pennsylvania State University.