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Cha, H S and O’Connor, J T (2005) Optimizing Implementation of Value Management Processes for Capital Projects. Journal of Construction Engineering and Management, 131(02), 239–51.
Darren Graham, L, Smith, S D and Dunlop, P (2005) Lognormal Distribution Provides an Optimum Representation of the Concrete Delivery and Placement Process. Journal of Construction Engineering and Management, 131(02), 230–8.
Dikmen, I, Birgonul, M T and Kiziltas, S (2005) Prediction of Organizational Effectiveness in Construction Companies. Journal of Construction Engineering and Management, 131(02), 252–61.
Elhakeem, A and Hegazy, T (2005) Graphical Approach for Manpower Planning in Infrastructure Networks. Journal of Construction Engineering and Management, 131(02), 168–75.
Hinze, J, Huang, X and Terry, L (2005) The Nature of Struck-by Accidents. Journal of Construction Engineering and Management, 131(02), 262–8.
Kajewski, S L (2005) Multilevel Formwork Load Distribution with Posttensioned Slabs. Journal of Construction Engineering and Management, 131(02), 203–10.
- Type: Journal Article
- Keywords: Concrete construction; Formwork, construction; Post tensioning; Structural design; Buildings, multistory; Slabs; Load distribution;
- ISBN/ISSN: 0733-9364
- URL: https://doi.org/10.1061/(ASCE)0733-9364(2005)131:2(203)
- Abstract:
Formwork and the associated shoring represent a significant proportion of the costs associated with the construction of multilevel concrete structures. To minimize these costs, a limited number of formwork and shoring sets are recycled up the structure as construction progresses, eliminating the need for a new set of formwork and shoring with each new slab. When a slab is posttensioned using draped tendons, slab lift occurs as a portion of the slab self-weight is balanced. The formwork and shores supporting that slab are unloaded by an amount equivalent to the load balanced by the posttensioning. This produces a load distribution through the structure that is inherently different from that of a conventionally reinforced slab. This paper presents two design methods suitable for modeling the multilevel formwork process for posttensioned slabs: A modification to the simplified analysis method and a finite element model—both techniques will be of immediate use by industry practitioners and of interest to researchers examining the load distribution phenomenon. The paper also summarizes the findings of one of only a few research projects in which actual shore loads were monitored during the construction of a multilevel posttensioned building, which is used to validate the proposed design models.
Kazaz, A and Birgonul, M T (2005) Determination of Quality Level in Mass Housing Projects in Turkey. Journal of Construction Engineering and Management, 131(02), 195–202.
Love, P E D, Tse, R Y C and Edwards, D J (2005) Time–Cost Relationships in Australian Building Construction Projects. Journal of Construction Engineering and Management, 131(02), 187–94.
Ping Ho, S (2005) Bid Compensation Decision Model for Projects with Costly Bid Preparation. Journal of Construction Engineering and Management, 131(02), 151–9.
Schexnayder, C, Knutson, K and Fente, J (2005) Describing a Beta Probability Distribution Function for Construction Simulation. Journal of Construction Engineering and Management, 131(02), 221–9.
Shen, L Y and Wu, Y Z (2005) Risk Concession Model for Build/Operate/Transfer Contract Projects. Journal of Construction Engineering and Management, 131(02), 211–20.
Walsh, K D, Sawhney, A and Brown, A (2005) International Comparison of Cost for the Construction Sector: Purchasing Power Parity. Journal of Construction Engineering and Management, 131(02), 160–7.
Zheng, D X M and Ng, S T (2005) Stochastic Time–Cost Optimization Model Incorporating Fuzzy Sets Theory and Nonreplaceable Front. Journal of Construction Engineering and Management, 131(02), 176–86.