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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Showing 1-5 of 16 Abstracts search results
Document:
SP208-04Ex.1a
Date:
October 29, 2002
Author(s):
Claudia M. Uribe and Sergio M. Alcocer
Publication:
Symposium Papers
Volume:
208
Abstract:
A deep beam, supporting two concentrated loads at the top, was designed in accordance with Appendix A of the ACI 318-2002, The analysis and design using the strut and tie model were performed in an efficient and straight forward manner. The strut and tie methodology provides a framework to understand and assess the flow of forces and the resisting mechanisms. Also, it is a valuable tool for achieving proper detailing of ductile concrete members.
DOI:
10.14359/12412
SP208-03
Denis mitchell, William D. Cook, Claudia M. Uribe and Sergio M. Alcocer
Results of experiments on a corbel, deep beams and a beam with dapped ends are presented to illustrate how strut-and-tie models are applied to these cases and to provide some experimental verification of the accuracy of the predictions. Both simple strut-and-tie models, as well as refined strut-and-tie models are presented.
10.14359/12411
SP208-04Ex.8
Robert W. Barnes
In this example, application of the new strut-and-tie modeling provisions of ACI 318-02 to the design of a wall with openings is summarized. Because the openings constitute a significant portion of the wall, earlier Code versions provide little relevant guidance fro ensuring that the wall provides adequate resistance to the applied loads. Previous examples fo the application of strut-and-tie models (STM's) to multiple load cases and/or lateral loads are rare. The wall in this example is designed to resist multiple combinations of both gravity and in-plane lateral loads. Construction of the STM for each load eombination is outlined. In addition, employment of statically indeterminate STM's to improve the efficiency and serviceability of the wall design is discussed. The example also covers selection and anchorage of tie reinforcement, as well as capacity checks for struts and nodal zones.
10.14359/12421
SP208-04Ex.6
Adolfo Matamoros and Julio A. Ramirez
The design of the end region of a prestressed beam according to Appendix A of the 2002 ACI Building Code is presented. Two alternatives are considered, the first with straight strands and debonding toward the ends of the member in order to control stresses at transfer. The second case is with draped strands. Strut-and-tie modles corresponding to each of the two alernatives are developed, analyzed, and the reinforcement is proportioned to reseist the calculated internal forces. Anchorage length requirements were a critical factor in selecting the configuration of the truss model.
10.14359/12419
SP208-04Ex.4
Lawrence C. Novak and Heiko Sprenger
The example problem of a deep beam with a rectangular opening represents a strong example of the application of Strut-and-Tie modeling of reinforced concrete structures. Since the entire beam constitutes a D-region, this example demonstrates the principles and methods that can be utilized to solve a wide range fo problems. Example #4 has been fully evaluated per the requirements of Appendix A of ACI 318-02.
10.14359/12417
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