TY - CONF
TI - Probability Density Function for Predicting Productivity in Masonry Construction Based on the Compatibility of a Crew
C1 - Heraklion, Greece
C3 - 25th Annual Conference of the International Group for Lean Construction
SP - 655
EP - 662
PY - 2017
DO - 10.24928/2017/0261
AU - Florez, Laura
AU - Cortissoz, Jean C.
AD - Senior Lecturer, Faculty of Engineering and Environment, Northumbria University, Newcastle Upon Tyne, UK, NE18ST, laura.florez@northumbria.ac.uk
AD - Associate Professor, Department of Mathematics, Universidad de Los Andes, BogotÃ¡, Colombia, jcortiss@uniandes.edu.co
AB - During the different phases of a masonry project, contractors collect detailed information about the labor productivity of its workers and the factors that influence productivity. Information includes quantitative data such as hours, activities, and tasks, and qualitative data such as ratings and personality factors. Personality factors have been found to be a key aspect that influences the compatibility of a crew and the productivity in masonry construction. This paper proposes a mathematical framework to determine how the compatibility between the workers in a crew can be used to predict productivity. A standard method for quantifying personality is used to determine the compatibility of a crew and empirically define a probability density to predict productivity. The probability density determines, for a given compatibility, the average productivity for a crew. The most interesting part of this probability density is that it accounts for variations in the productivity, resulting from the interaction and the relationships between the workers in a crew. The proposed probability distribution can be used to make more realistic predictions, by calculating confidence intervals, of the productivity of masonry crews and to better estimate times of construction, avoid crew conflicts, and find practical ways to increase production.
KW - masonry construction
KW - productivity
KW - process improvement
KW - crew formation
KW - probability density
PB -
T2 - 25th Annual Conference of the International Group for Lean Construction
DA - 2017/07/09
CY - Heraklion, Greece
L1 - http://iglc.net/Papers/Details/1462/pdf
L2 - http://iglc.net/Papers/Details/1462
N1 - Export Date: 25 June 2019
DB - IGLC.net
DP - IGLC
LA - English
ER -