Direct Strut-and-Tie Model for Prestressed Deep Beams
Publication: Journal of Structural Engineering
Volume 127, Issue 9
Abstract
The strut-and-tie method is a promising analytical tool for the design of disturbed regions where the conventional plane bending theory does not hold. These include pile caps, corbels, frame joints, deep beams, and so forth. This paper focuses on the application of a strut-and-tie model to prestressed deep beams. A simple and direct model is proposed, taking the prestressing effect into consideration. The model can be used for both pre- and posttensioned deep beams. Different configurations of web reinforcement can also be properly modeled in the proposed approach. A comparison shows that the predictions are in good agreement with experimental results of four case studies of 39 beams.
Get full access to this article
View all available purchase options and get full access to this article.
References
1.
Alshegeir, A., and Ramirez, J. A. ( 1992). “Strut-tie approach in pretensioned deep beams.” ACI Struct. J., 89-S29, 296–304.
2.
Canadian Standards Association (CSA). ( 1994). “Design of concrete structures: Structures (design)—A national standard of Canada.” CAN-A23.3-94, Rexdale, Ont., Canada.
3.
Collins, M. P., and Mitchell, D. ( 1986). “A rational approach to shear design—The 1984 Canadian code provisions.” ACI Struct. J., 83-80, 925–933.
4.
Construction Industry Research and Information Association (CIRIA). ( 1977). The design of deep beams in reinforced concrete (CIRIA guide 2), Ove Arup & Partners and CIRIA, London.
5.
Cook, R. D., and Young, W. C. ( 1985). Advanced mechanics of materials, Macmillan, New York.
6.
Marti, P. ( 1985). “Basic tools of reinforced concrete beam design.” ACI Struct. J., 82-4, 46–56.
7.
Ramirez, J. A. ( 1994). “Strut-tie design of pretensioned concrete members.” ACI Struct. J., 91-S55, 572–578.
8.
Rogowsky, D. M., and MacGregor, J. G. ( 1986). “Design of reinforced concrete deep beams.” Concrete Int.: Des. and Constr., 8(8), 49–58.
9.
Schlaich, J., and Schafer, K. ( 1991). “Design and detailing of structural concrete using strut-and-tie models.” The Struct. Engr., 69(6), 113–125.
10.
Tan, K. H., and Tong, K. ( 1999). “Shear behaviour and analysis of partially prestressed I-girders.” The Struct. Engr., 77(23 and 24).
11.
Tan, K. H., Lu, H. Y., and Teng, S. ( 1999). “Size effect in large prestressed concrete deep beams.” ACI Struct. J., 96-6, 937–946.
12.
Teng, S., Kong, F. K., and Poh, S. P. ( 1998). “Shear strength of reinforced and prestressed concrete deep beams. Part II: The supporting evidence.” Proc., Instn. Civ. Engrs. Struct. and Build., Vol. 128, 124–143.
13.
Tong, K. ( 1997). “Strut-and-tie approach to shear strength prediction of deep beams.” MEng thesis, Nanyang Technological University, Singapore.
14.
Zeng, L. H., and Tan, K. H. ( 1999). “Normal-strength reinforced concrete deep beams: A direct approach to design.” National Undergraduate Research Project, Nanyang Technological University, Singapore.
Information & Authors
Information
Published In
History
Received: Aug 11, 2000
Published online: Sep 1, 2001
Published in print: Sep 2001
Authors
Metrics & Citations
Metrics
Citations
Download citation
If you have the appropriate software installed, you can download article citation data to the citation manager of your choice. Simply select your manager software from the list below and click Download.