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Bell, L C and Stukhart, G (1987) Costs and Benefits of Materials Management Systems. Journal of Construction Engineering and Management, 113(02), 222–34.

Cowie, G F (1987) Enough Scope Yields Better Estimates. Journal of Construction Engineering and Management, 113(02), 315–20.

Halligan, D W, Hester, W T and Thomas, H R (1987) Managing Unforeseen Site Conditions. Journal of Construction Engineering and Management, 113(02), 273–87.

Hendrickson, C, Martinelli, D and Rehak, D (1987) Hierarchical Rule‐Based Activity Duration Estimation. Journal of Construction Engineering and Management, 113(02), 288–301.

  • Type: Journal Article
  • Keywords: Construction management; Expert systems; Masonry; Project management; Scheduling;
  • ISBN/ISSN: 0733-9364
  • URL: https://doi.org/10.1061/(ASCE)0733-9364(1987)113:2(288)
  • Abstract:
    Activity durations are often estimated by modifying standard work productivities for specific site and job characteristics. Modifications are typically developed from engineering judgment and past experience. In this paper, an explicit hierarchical rule‐based framework for making such modifications is investigated. By explicitly formulating estimation rules, the factors felt to influence work productivity can be identified and the accuracy of particular modification rules assessed. Alternative estimation methods such as statistical techniques and a hybrid rule‐and‐statistical framework are discussed. A prototype expert system for masonry construction duration estimation, MASON, is described and used to illustrate the rule‐based estimation approach. Facilities in MASON for explanation and productivity improvement analysis are also described.

Ibbs, C W, Bates, L C and Echeverry, D (1987) Owner‐Furnished Equipment (OFE) Contract Practices. Journal of Construction Engineering and Management, 113(02), 249–63.

Koehn, E and Caplan, S B (1987) Work Improvement Data for Small and Medium Size Contractors. Journal of Construction Engineering and Management, 113(02), 327–39.

Maloney, W F and McFillen, J M (1987) Motivational Impact of Work Crews. Journal of Construction Engineering and Management, 113(02), 208–21.

O'Connor, J T, Rusch, S E and Schulz, M J (1987) Constructability Concepts for Engineering and Procurement. Journal of Construction Engineering and Management, 113(02), 235–48.

Paulson, B C, Chan, W T and Koo, C C (1987) Construction Operations Simulation by Microcomputer. Journal of Construction Engineering and Management, 113(02), 302–14.

Ringwald, R C (1987) Bunching Theory Applied to Minimize Cost. Journal of Construction Engineering and Management, 113(02), 321–6.

Rounds, J L and Warning, G (1987) Impact of Computerizing Midsized Construction Companies. Journal of Construction Engineering and Management, 113(02), 183–90.

Tatum, C B (1987) Balancing Engineering and Management in Construction Education. Journal of Construction Engineering and Management, 113(02), 264–72.

Tatum, C B (1987) Improving Constructibility during Conceptual Planning. Journal of Construction Engineering and Management, 113(02), 191–207.

Whittaker, J (1987) Equipment Rates from Revenue Requirements. Journal of Construction Engineering and Management, 113(02), 173–8.