Progress Model for Construction Activity

by Robert I. Carr, (M.ASCE), Assoc. Prof. of Civ. Engrg. and Architectural Engrg.; Univ. of Colorado, Boulder, CO,
Thomas O. Brightman, Design Engr. and Assoc.; Walter P. Moore Associates, Inc., Beaumont, TX,
Franklin B. Johnson, (M.ASCE), Prof. of Architectural Engrg. and Civ. Engrg. and Dir.; Ctr. for Building Res., Univ. of Texas, Austin, TX,

Serial Information: Journal of the Construction Division, 1974, Vol. 100, Issue 1, Pg. 59-64

Document Type: Journal Paper


A characteristic completion versus time curve is described for the concrete formwork activity in building construction. Square feet of wooden formwork weekly production were analyzed for nine projects. The analyses resulted in similar S-shaped curves. Regression analysis produced a characteristic curve which is a model of formwork activity progress on a building project. The use of the model is considered for planning, monitoring, and controlling the progress of an activity.

Subject Headings: Curvature | Formwork (concrete construction) | Construction management | Regression analysis | Concrete | Wood

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