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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 22 Abstracts search results
Document:
SP27-06
Date:
January 1, 1971
Author(s):
Adrian Pauw
Publication:
Symposium Papers
Volume:
27
Abstract:
Computed theoretical deflections of a continuous five-span reinforced concrete box girder bridge are compared with actual observed values and with the designer's estimated deflections. An algorithm is developed to simplify calculations of changes in effective section rigidity due to changes in reinforcement, cracking of the concrete in the tensile zone and changes in the effective modulus of elasticity of the concrete.
DOI:
10.14359/17180
SP27-17
W. Dilger and A.M. Neville
The paper shows how data on creep and shrinkage of plain concrete can be used to calculate deformation of reinforced, including prestressed, concrete. It is assumed that the time dependent characteristics of the material (creep and shrinkage) are known and are available in a convenient form…
10.14359/17191
SP27-15
O. Clarke Mann
Discusses the location of expansion joints in concrete buildings. The writer undertook a research program in 1958 that employed laboratory, field and mathematical investigations. These research efforts lead the writer to conclude that expansion-contraction joint spacings should be determined more rationally and should reflect the type of materials and construction methods used, and the degree of serivce exposure to be expected.
10.14359/17189
SP27-19
C.H. Wang
Data on creep of concrete subjected to various loadings at elevated temperatures rang 200F (93.3C) to 800f (426.8C) are presented, together with the informations of specimens failure in test. Compressive strength and thermal expansion coefficient of concrete in this temperature range are also provided. Relationships between creep, stress strength ration and time under loading are shown in curves.
10.14359/17193
SP27-11
Paul Rogers
The effect of temperature changes on the reinforced concrete frame of a long, two and four story, bakery structure is analyzed, and the practical solution is presented. At the time of design, computer analyses were not yet easily available and calculations were performed manually. After nine years in service, the structure performs as specified.
10.14359/17185
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