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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 45 Abstracts search results
Document:
SP26-31
Date:
January 1, 1971
Author(s):
David G. Volkert and Lewis Levine
Publication:
Symposium Papers
Volume:
26
Abstract:
The Second Lake Pontchartrain Bridge, a trestle-type strucrures 24-miles long, consists of precast prestressed concrete deck units, precast concrete pile caps, and precast prestressed cylinder piles. . .This paper presents a study of the two bridges to indicate the improvements in the art and science of prestressed concrete design; the progress in concrete technology; the advance in mass production techniques for fabrication and construction of bridge piers and spans composed of multiple identical units; changes in construction procedures; and the advances in traffic safety during these intervening twelve years.
DOI:
10.14359/18000
SP26-32
Alfred Bishara
A scarf connection suitable for realizing continuity between precast prestressed segments at points of inflection in composite prestressed concrete bridges is described.
10.14359/18001
SP26-22
V. Ramakrishnan, S. Rajasekaran, and R. Krishnamorrthy
The paper extends the application of A.L.L. Baker's ultimate load theory to the design of non-prismatic continuous girder and rigid frame bridges subjected to rolling loads. It deals mainly with two new aspects: (1) determination of influence lines for the rotation of 'plastic hinges' and (2) calculation of influence coeficients for non-prismatic members.
10.14359/17991
SP26-23
V. Ramakrishnan
A state-of-the-art survey on the design of concrete bridge structures by the working stress method is presented.
10.14359/17992
SP26-24
O. JA. Berg
The development of the theoretic interpretation of strength and deformation nature permits to outline two parameter points (stress levels), besides limit of strength. These objective criteria can be used while designing concrete and reinforced bridge constructions, as they influence many properties of concrete.
10.14359/17993
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