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Bambrick, B (1994) Construction of an Island. Journal of Construction Engineering and Management, 120(01), 223–7.

Gordon, C M (1994) Choosing Appropriate Construction Contracting Method. Journal of Construction Engineering and Management, 120(01), 196–210.

Grimm, C T (1994) Void Mortar Joints: Bane of Brick Masonry. Journal of Construction Engineering and Management, 120(01), 152–61.

Halligan, D W, Demsetz, L A, Brown, J D and Pace, C B (1994) Action‐Response Model and Loss of Productivity in Construction. Journal of Construction Engineering and Management, 120(01), 47–64.

Ledbetter, W B (1994) Quality Performance on Successful Project. Journal of Construction Engineering and Management, 120(01), 34–46.

Oloufa, A A, Eltahan, A A and Papacostas, C S (1994) Integrated GIS for Construction Site Investigation. Journal of Construction Engineering and Management, 120(01), 211–22.

Riad, N I, Arditi, D and Mohammadi, J (1994) Integrated System for Managing Owner‐Directed Project Acceleration. Journal of Construction Engineering and Management, 120(01), 77–95.

Russell, A D and Fayek, A (1994) Automated Corrective Action Selection Assistant. Journal of Construction Engineering and Management, 120(01), 11–33.

Russell, J S, Gugel, J G and Radtke, M W (1994) Comparative Analysis of Three Constructability Approaches. Journal of Construction Engineering and Management, 120(01), 180–95.

Rwelamila, P D (1994) Group Dynamics and Construction Project Manager. Journal of Construction Engineering and Management, 120(01), 3–10.

Tanwani, R and Iseley, D T (1994) Tracking and Steering Systems in Trenchless Construction. Journal of Construction Engineering and Management, 120(01), 65–76.

Teicholz, P and Fischer, M (1994) Strategy for Computer Integrated Construction Technology. Journal of Construction Engineering and Management, 120(01), 117–31.

Thabet, W Y and Beliveau, Y J (1994) Modeling Work Space to Schedule Repetitive Floors in Multistory Buildings. Journal of Construction Engineering and Management, 120(01), 96–116.

Thomas, H R and Sakarcan, A S (1994) Forecasting Labor Productivity Using Factor Model. Journal of Construction Engineering and Management, 120(01), 228–39.

Warszawski, A and Rosenfeld, Y (1994) Robot for Interior‐Finishing Works in Building: Feasibility Analysis. Journal of Construction Engineering and Management, 120(01), 132–51.

Wu, R W and Hadipriono, F C (1994) Fuzzy Modus Ponens Deduction Technique for Construction Scheduling. Journal of Construction Engineering and Management, 120(01), 162–79.

  • Type: Journal Article
  • Keywords: Fuzzy sets; Construction; Scheduling; Decision support systems; Construction management;
  • ISBN/ISSN: 0733-9364
  • URL: https://doi.org/10.1061/(ASCE)0733-9364(1994)120:1(162)
  • Abstract:
    This paper presents a new method to estimate the duration of construction activities. A model, Activity Duration Decision Support System (ADDSS), was developed. This model employs the fuzzy modus ponens deduction (FMPD) technique to evaluate the impact of different factors on activity duration. The linguistic values of these factors are represented by angular fuzzy set models. The technique described in this paper allows a scheduler to partially match an evidence with a rule. The use of angular models demonstrates the use of a single and relatively simple fuzzy logic formula. The technique we developed does not require the scheduler to understand the underlying concept of fuzzy logic. In fact, one needs only to input an assessment of factors that may affect the completion of an activity. At this stage, ADDSS interfaces with the CA‐SuperProject scheduling package. ADDSS was also developed to export and import data to and from the CA‐SuperProject. Both the logic operations and angular models of ADDSS are elaborated. A step‐by‐step procedure using ADDSS is presented, followed by case studies demonstrating the implementation of ADDSS in hypothetical and real construction projects. These cases show the practicality and applicability of ADDSS.