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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 46 Abstracts search results

Document: 

SP23-15

Date: 

January 1, 1969

Author(s):

Robert G. Lium

Publication:

Symposium Papers

Volume:

23

Abstract:

The damage and destruction to a number of bridges during the Alaskan earthquake of 1964 furnished evidence of forces on bridges quite different from the acceleration forces provided for in contemporary bridge design criteria. Descriptions of the damaging effects of these forces and recommended details to resist damage from the forces are presented in this paper.

DOI:

10.14359/17238

Document: 

SP23-16

Date: 

January 1, 1969

Author(s):

Koichi Tamura

Publication:

Symposium Papers

Volume:

23

Abstract:

In the aseismic design of a reinforced concrete caisson, its stability and stress have heretofore been checked by Dr. Monobe's formula in Japan. This method is recommended when the ground is cohesionless stiff soil. But, for a caisson excavated in cohesive soil and based on a hard layer, the design method governed by its ultimate condition is proposed.

DOI:

10.14359/17239

Document: 

SP23-17

Date: 

January 1, 1969

Author(s):

S.D. Lash

Publication:

Symposium Papers

Volume:

23

Abstract:

This paper summarizes the results of experiments carried out on beams reinforced with high-strength steel. . .It is concluded that high-strength reinforcement may be used in bridge construction with advantage.

DOI:

10.14359/17240

Document: 

SP23-18

Date: 

January 1, 1969

Author(s):

Masatane Kokubu, Hajime Okamura

Publication:

Symposium Papers

Volume:

23

Abstract:

Results of bending fatigue and other tests of reinforced concrete beams using various high-strength deformed bars are presented.

DOI:

10.14359/17241

Document: 

SP23-07

Date: 

January 1, 1969

Author(s):

Ricardo P. Pama and Anthony R. Cusens

Publication:

Symposium Papers

Volume:

23

Abstract:

A method based on orthotropic plate theory is presented to determine the distribution of lateral loads in multibeam concrete bridges that have low transverse flexural rigidity or are torsionally stiff, and thus are outside the range of the Guyon-Massonnet approach.The deflection, bending and torsional moments, shearing and reactice forces are expressed as functions of dimensionless distribution coefficients.

DOI:

10.14359/17230

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