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International Concrete Abstracts Portal

Showing 1-5 of 13 Abstracts search results

Document: 

SP107-12

Date: 

June 1, 1988

Author(s):

M. Linetsky

Publication:

Symposium Papers

Volume:

107

Abstract:

Presents design and applications of machinery for on-site manufacture and erection of concrete wall panels and roof slabs to create single-story buildings. The precast components are produced and erected with trailer-mounted rotatable and lifting forms. The basic plant requires two or more technological cycles to erect a bay, while a modified version can build a single-room bay in one cycle. Sizes of the bays and design of the structures are intended to meet housing requirements in developing and industrialized countries. Due to the simplicity of the design, high productivity of the machinery and diversity of the product, the suggested forming system can be an effective craneless method of precast concrete construction.

DOI:

10.14359/3386


Document: 

SP107-09

Date: 

June 1, 1988

Author(s):

A. J. Cellucci

Publication:

Symposium Papers

Volume:

107

Abstract:

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.

DOI:

10.14359/3382


Document: 

SP107-08

Date: 

June 1, 1988

Author(s):

J. Bullock

Publication:

Symposium Papers

Volume:

107

Abstract:

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.

DOI:

10.14359/3377


Document: 

SP107-06

Date: 

June 1, 1988

Author(s):

J. M. Shilstone

Publication:

Symposium Papers

Volume:

107

Abstract:

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.

DOI:

10.14359/3372


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


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