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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 17 Abstracts search results
Document:
SP231-02
Date:
October 1, 2005
Author(s):
C. Burgoyne
Publication:
Symposium Papers
Volume:
231
Abstract:
The initial impetus to the application of prestressed concrete in the UnitedKingdom was heavily driven by the conditions imposed by the Second World War.Refugees from Germany, particularly Mautner and Abeles, brought skills andknowledge of tests carried out in France and Germany. The need to provide emergencystructures, both for military purposes and to meet civilian needs, together withshortages of many materials, especially steel, led to the construction of beams on ascale, and at a speed, which would not have taken place in more normal times. Thepaper covers developments in the UK from the outbreak of the war in 1939 up to theearly 1950s, when more normal times returned. This period of development is still notproperly documented because security conditions prevented the publication of fulldetails of the applications.
DOI:
10.14359/14918
SP231-01
L.R. Taerwe
In the early 1940’s Prof. G. Magnel performed extensive researchprogrammes on real scale prestressed concrete beams at Ghent University (Belgium) inorder to elaborate design methods for this new material. He also developed his ownanchorage system which was used until the mid 60’s in Belgium. He gave manylectures in several countries in which he explained in a simple way the principles ofprestressed concrete. He was also instrumental in the design of the first prestressedconcrete bridge in the USA, the Walnut Lane Bridge in Philadelphia and he was theauthor of the first English textbook on prestressed concrete. He designed one of thefirst PC railway bridges in Europe and the first statically indeterminate PC bridge in theworld. In the 1950’s many engineers from abroad spent some time in Magnels lab inGhent to perform research and to get acquainted with practical realizations.
10.14359/14917
SP231-05
K.W. Kramer
A survey of the first uses of precast, prestressed or post-tensioned foldedplates roofs show that this structural system start in the 1950’s and end in the 1970’s Ahistoric perspective of this structural system will be presented starting in the 1950’s andending in the 1970’s. While prestressed concrete was making a break-through in theUnited States with the Walnut Lane Bridge in Philadelphia, PA, Europe was usingprestressed concrete in various types of structural systems. One of these systems wasthe folded plate roof system. Approximately a decade later in the United States, theCloverleaf Lanes Bowling Alley in Dade County, Florida used the same application inwhich the corrugated slab spanned 120 feet and extending transversely 286 feet. In1962, this system of folded plate shells went from long span structures to being used inroof structures for dormitories at Washington State University. The main beams for thedormitories were pretensioned in a factory, while the secondary beams were post-tensioned on site. During the 1970’s, precast folded plate structures were beingconstructed throughout the United States for various types of buildings, one notablestructure is the Hangar for Allegheny Airlines at Logan Airport, Boston, Massachusetts.Then they disappeared in the United States. Some Possible reasons why folded plateconstruction stopped are numerous but the two main factors are the architecturalsolution, and the lack of understanding of folded plate structures on the part ofengineers and architects.
10.14359/14921
SP231-04
W.N. Marianos, Jr.
The growth of prestressed concrete development in the United States wasgreatly influenced by the publications available to practicing engineers. A number ofthe early books and publications on prestressed concrete are reviewed and discussedin this paper. Pioneers of prestressed concrete development are viewed through theirpublications and the role they played in promoting prestressing. Two key conferences(in 1951 and 1957) are also considered. Figures include samples of important passagesfrom the texts considered. Through all of these, some of the flavor and personalities ofthis important period can be experienced.
10.14359/14920
SP231-03
A. Schokker
Prestressed concrete is a relatively young form of construction in the UnitedStates. The development of the various types of prestressing materials, includinganchorages was critical to the success of prestressed concrete as we know it today.This paper reviews the history of prestressed concrete with a focus on post-tensioningrelated patents in both the United States and abroad. Early patents from 1945 andonward are included up through the present day. The 1950’s and 1960’s are a primaryfocus as the decades where prestressed concrete was taking a foothold in the UnitedStates.
10.14359/14919
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