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Home > Publications > International Concrete Abstracts Portal
Showing 1-5 of 8 Abstracts search results
Document:
SP111-02
Date:
December 1, 1988
Author(s):
A. S. Bezzina and S. H. Simmonds
Publication:
Symposium Papers
Volume:
111
Abstract:
COLUMN is a computer program written to select cross sections for reinforced concrete columns by simulating the reasoning processes used by structural engineers. The logic used to select, evaluate, and, if required, modify a section is described. Provision is made for the designer to impose, a priori, any restriction on the concrete dimensions or reinforcement that may be desired. The program proportions and details tie dand spiral columns, braced or unbraced for either uniaxial or biaxial loading. Slenderness effects are considered using the moment magnifier method. The design of a tied column with examples of different user-imposed restrictions is included.
DOI:
10.14359/3603
SP111
Editor: Fernando E. Fagundo
SP111 The area of computer applications in concrete technology is growing rapidly. Where it was once the exclusive domain of researchers and scientists, it is now an area where fabricators, detailers, designers, students and educators are making significant contributions. The different applications presented in this important ACI publication will be of interest of individuals dedicated to the correct use of concrete as a construction material. "State-of-the-Art Computer Applications in Concrete Technology" offers the latest information on topics such as microcomputer-aided design of reinforced and prestressed concrete elements; computer analysis of R/C columns in biaxial bending; spreadsheet template of concrete box design; concrete mix design; and personal computer-aided design of post-tensioned slabs on expanding and compressible soils. This ACI publication is designed to keep you abreast of the latest happenings in concrete technology and is intended to enhance the technological tools available for the correct, safe, and economic use of concrete.
10.14359/14144
SP111-05
W. J. Irwin
The features of commercial spreadsheet software can be used effectively to create templates that analyze and design reinforced concrete structures on microcomputers. Such a template was developed and used to prepare standard drop inlet box designs for a forthcoming ASTM Standard and is presented as an example of a template application. This template analyzes a symmetric concrete frame considering finite joint sizes and axial compression and designs the required reinforcing steel. The results are verified with general purpose structural analysis software and with published design solutions. The benefits of using templates for engineering work is maximized with a layout format that places all input and output results on the main screen for quick refining of trial designs. The main advantages of template development over computer language programming are layout logic, intermediate calculation accessibility, and lack of formatting requirements for data entry and printed results.
10.14359/3649
SP111-06
L. I. Nedelcu
Presents an optimum design for a given prestressed concrete member, chosen from an existing shape library and a given external load system. It is emphasized that, as part of the given data, the tendon diagram is determinant in designing a prestressed concrete member. The analysis is based on the elastic behavior of the member, and a realistic investigation of the capacity of the member is performed. The whole process implies an appreciable volume of computations and is suitable for digital computers. A design aid for the initial and final stages of the prestressed concrete member is also presented.
10.14359/3667
SP111-01
F. C. Filippou
Potential advantages of using electronic spreadsheets in advanced reinforced and prestressed concrete design are presented. The power of this tool is demonstrated through a series of examples, including the moment-curvature relation of reinforced and prestressed concrete beams, the axial load-uniaxial and biaxial bending moment interaction diagram of reinforced concrete sections, and the tendon layout of simply supported beams prestressed with draped or straight tendons.
10.14359/3592
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