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International Concrete Abstracts Portal

Showing 1-5 of 74 Abstracts search results

Document: 

SP34-04

Date: 

January 1, 1972

Author(s):

S.E. Pihlajavaara

Publication:

Symposium Papers

Volume:

34

Abstract:

The recommendation is a guide for a builder of different types of hot cell concrete walls against gamma or neutron radiation. It serves also for an introduction to more complicated shielding problems in which, e.g., simultaneous gamma and neutron radiation, high radiation intensitiesand temperature loads have to be taken into account.

DOI:

10.14359/18060


Document: 

SP34-12

Date: 

January 1, 1972

Author(s):

F.K. Garas and D. Langan

Publication:

Symposium Papers

Volume:

34

Abstract:

This paper describes on experimental studies into the behavior of deep restrained concrete elements under the action of high shear loads. The concrete elements were restrained by biaxial field stresses of varying intensities and gradients.

DOI:

10.14359/18068


Document: 

SP34-11

Date: 

January 1, 1972

Author(s):

Ludwid Muhe

Publication:

Symposium Papers

Volume:

34

Abstract:

Prestressed concrete pressure vessels usually cylindrically shaped and hence are hoop prestressed. Presently the hoope prestressing is carried out on the outer face. This paper discusses the known technical solution.

DOI:

10.14359/18067


Document: 

SP34-57

Date: 

January 1, 1972

Author(s):

S. Ohgishi, S. Miyasaka, and J. Chida

Publication:

Symposium Papers

Volume:

34

Abstract:

A general rule for nuclear reactor biological shielding materials is that an ordinary concrete or high-density concrete using an aggregate such as magnnetite, limonite, etc., is the most reasonable for a thermal neutron reactor. . .This paper consists of two parts: first, an experiment on magnetite aggregate concrete and ordinary concrete at elevated temperatures from 20 C to 600 C is reported, and second an experiment on serpentine aggregate concrete and ophicalcite aggregate concrete subjected to different degrees of heating is reported.

DOI:

10.14359/18113


Document: 

SP34-36

Date: 

January 1, 1972

Author(s):

J.E. McDonald

Publication:

Symposium Papers

Volume:

34

Abstract:

The purpose of this continuing investigation is to develop information regarding the time-dependent deformation behavior of concrete in the presence of varying temperature, moisture, and loading conditions similar to those encountered in a prestressed concrete reactor vessel (PCRV). This particular investigation is concerned with one concrete strength, three aggregate types, one cement, two moisture conditions, two testing temperature, and four loading conditions.

DOI:

10.14359/18092


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