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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 13 Abstracts search results
Document:
SP107-05
Date:
June 1, 1988
Author(s):
W. R. Carr
Publication:
Symposium Papers
Volume:
107
Abstract:
This building indicates what can be accomplished when the developer, architect, engineer, and contractor work as a team to determine the most economical frame cost for a project. The shape of this office building was of primary importance to the architect and owner, but it penalized steel construction. The team's willingness to pursue framing methods not usually utilized in Michigan lead to the acceptance of a concrete frame. Other projects have undoubtedly been constructed in steel when concrete would have been a more economical alternative. If contractors are to fulfill their commitment to owners, they must be aware of market conditions and market changes. The best system for the last project may not be best for the next. Awareness of new construction methods--and a willingness to utilize them when appropriate--is an important feature for general contractors to contribute to the building team.
DOI:
10.14359/3360
SP107-09
A. J. Cellucci
This paper describes a permanent forming system constructed of panels molded of expanded polystyrene. The panels interlock for fast erection and remain in place to provide insulation to the finished wall. Construction of forms and walls is discussed. The system can be used above or below ground. Bracing and whaler systems, methods of forming window and door openings, and finishes are discussed.
10.14359/3382
SP107-02
L. E. Svab and W. T. Scott
Cast-in-place concrete one-way ribbed slab decks are undergoing an evaluation. Slab thickness established by fire rating requirements and considerations of minimizing formwork labor and maximizing material economy have dictated a departure from the use of traditional 20 and 30 in. wide joist forms. Wider joist forms are being increasingly used to answer these considerations. Wide module joist systems generally have 6 to 8 in. wide ribs at 5 to 6 ft centers with 4-« in. top slabs and are supported by wide beams. The ribs are designed as T-beams rather than joists. ACI 318-83 design requirements are not pinpointed for the evolved slab/joist-beam system. Presented is an attempt to interpret and apply ACI 318-83 design requirements together with detailing and design considerations that are unique to this framing system.
10.14359/2916
SP107-06
J. M. Shilstone
This is a sequel by the author to a paper discussing the contract documents for architectural concrete. Here, the discussion covers those things that the contractor should do to produce an acceptable architectural concrete project. The recommendations start with a review of the contract documents to locate problems and potential points of conflict. From that point, materials, equipment, processes, and controls are described.
10.14359/3372
SP107-08
J. Bullock
In keeping with the theme of "Forming Economical Concrete Buildings," the end result of the project must be considered. Pumping of concrete walls from the bottom is not the most inexpensive method of wall construction unless the architectural possibilities of form and finish are considered. This concept, by eliminating or minimizing the need of concrete vibration during placement, allows more freedom of form by the designer than other conventional methods and almost guarantees an aesthetically pleasing finish. However, the economy of this technique is predicated upon spreading the initial cost of form fabrication over a broad base through the reuse of formwork. If a project has difficult concrete walls and/or lends itself to form reuse, the concept of pumping from the bottom becomes as economical as other more conventional methods.
10.14359/3377
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