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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: 

SP26-06

Date: 

January 1, 1971

Author(s):

J.D. Davies , C.J. Parekh, and O.C. Zienkiewicz

Publication:

Symposium Papers

Volume:

26

Abstract:

The paper describes an analytical and experimental investigation of the elastic behavior of flat slabs with edge beams. The analytical study is based on the finite element method and the solutions are compared with measurements on model perspex plates. Two types of slab/edge beam configurations are considered: Type 1: slab and beams with coincident centroidal axes; Type 2: slab and beams with non-coincident centroidal axes

DOI:

10.14359/17975

Document: 

SP26-07

Date: 

January 1, 1971

Author(s):

P.S. Dravid and C.L. Mehta

Publication:

Symposium Papers

Volume:

26

Abstract:

The rigorous analysis of bridge decks consisting of longitudinal girders, cross beams and deck slab is highly complex, since the cross beams and the slab contribute to a desirable load distribution over the entire system. The slab forms a continuous plate rigidity connected to elastic supports, namely the grid of cross beams and longitudinal girders.

DOI:

10.14359/17976

Document: 

SP26-08

Date: 

January 1, 1971

Author(s):

Yau-Kai Cheung

Publication:

Symposium Papers

Volume:

26

Abstract:

Right orthotropic bridges are analyzed by the Finite Strip Method. In this method harmonic functions which fitted the simply supported end conditions in one direction are used in conjunction with polynomials for the other direction, and as a result a simple beam-type stiffness matrix for a strip can be derived. Such an approach has been shown to be much more accurate and versatile than the Guyon and Massonnet methods of equivalent slabs.

DOI:

10.14359/17977

Document: 

SP26-09

Date: 

January 1, 1971

Author(s):

Amin Ghali

Publication:

Symposium Papers

Volume:

26

Abstract:

In a paper presented at the First International Symposium on Concrete Bridge Design, Toronto, April 1967 (1), a numerical method was used for the analysis of skew bridges composed of a deck slab monolithic with two main girders and the method was verified by model testing. In the present paper design tables prepared by this method are presented, giving the values of the bending and twisting moments and the reactions in the girders due to uniform load and the influence coefficients for these stress resultants in simply-supported skew bridges.

DOI:

10.14359/17978

Document: 

SP26-10

Date: 

January 1, 1971

Author(s):

Jacob Shimoni

Publication:

Symposium Papers

Volume:

26

Abstract:

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.

DOI:

10.14359/17979

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