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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:
SP26-04
Date:
January 1, 1971
Author(s):
G.C. Nayak and J.D. Davies
Publication:
Symposium Papers
Volume:
26
Abstract:
The paper describes a numerical method for the direct determination of influence fields or surfaces for the generalized stress resultants in slab bridges.
DOI:
10.14359/17973
SP26-03
Pradyot K. Niyogi, Haresh C. Shah, Kishore D. Doshi, and Wilson Tang
This paper presents an important aspect of the structural design of concrete bridges under various combinations of loading. 'Load Factors', which are quantities used to define the pattern and magnitude of design loadings, are evaluated from a statisitcal point of view in such a manner as to assure a desired level of safety for the structure.
10.14359/17972
SP26-02
K.S. Rajagopalan
Design live loads for major bridges in eighteen countries are compared by studying their effects on simple spans of 30 to 140 ft. (9 to 42 meters nominal). A very wide diversity in the design load effects such as maximum bending moments and shear forces is noted--the heaviest effect being about two and one-half times that of the lightest. This wide diversity cannot be easilty justified by the normal volumes of traffic loads in these countries. It is hoped a more uniform design load, if specified, will result in economy in some countries and perhaps greater safety in others.
10.14359/17971
SP26-01
Alfio Seni
The author first discusses the advantages resulting from having all Live Load Specifications approved and enacted by a State Adminstration, prior to their publications. . .In conclusion, the author suggests that North American specifications for Highway Bridge Loadings should be revised.
10.14359/17970
SP26-10
Jacob Shimoni
Skew bridge decks, and especially those made of prestressed concrete, are subject to longitudinal and transversal displacements and horizontal rotations due to external forcese resulting from: (a) Longitudinal braking and earthquake forces, (b) Transversal wind, earthquake and centrifugal forces, (c) Shortening of deck due to shrinkage, variation of temperature and prestressing forces.
10.14359/17979
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