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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.

International Concrete Abstracts Portal

Showing 1-5 of 39 Abstracts search results

Document: 

SP45-33

Date: 

January 1, 1974

Author(s):

Discussion by: Robert C. Bates

Publication:

Symposium Papers

Volume:

45

Abstract:

Responding to Mr. Graham's paper on the Bureau of Reclamation's work with polymer shotcrete - The Bureau of Mines has also investigated the use of polymeric materials for "shotcrete" linings, and at the present time, we cannot be as optimistic as Mr. Graham on flammability and toxicity.

DOI:

10.14359/17960


Document: 

SP45-18

Date: 

January 1, 1974

Author(s):

Ronald E. Heuer

Publication:

Symposium Papers

Volume:

45

Abstract:

[An outlined article] If shotcrete is being considered for use in support of an underground excavation, a problem of ground support has been encountered, or a potentional problem is anticipated. Identification of the problem is the first step in its solution. Most problems of ground support can be placed in one or more of four classes. . .

DOI:

10.14359/17945


Document: 

SP45-04

Date: 

January 1, 1974

Author(s):

Kirk H. Fox

Publication:

Symposium Papers

Volume:

45

Abstract:

"Seven years ago, a friend of mine came to me on our tunnel job in the Tehachapi Mountains and in a very low voiced, secretive, manner told me of a substance that would solve all my bad ground problems. He said this was a substance that was easy to mix, simple to apply, and would setup immediately and be as strong as concrete. After seven years of shotcrete experience, if I were to repeat my version of this, I would say that it was difficult to mix properly; the devil to apply; and if you do everything right it will set-up quickly and be as strong as concrete. . .Let us talk about our Tehachapi Tunnels for a few moments, about some of the things that we learned and about some of the mistakes that we made.

DOI:

10.14359/17931


Document: 

SP45-27

Date: 

January 1, 1974

Author(s):

Jan A. Blanck

Publication:

Symposium Papers

Volume:

45

Abstract:

Many factors such as mix design, batching, mixing and application influence the durability and strength of shotcrete. A shortcoming in any one factor can result in low quality shotcrete.

DOI:

10.14359/17954


Document: 

SP45-07

Date: 

January 1, 1974

Author(s):

Robert C. Jones

Publication:

Symposium Papers

Volume:

45

Abstract:

The Henderson Mine is being developed by American Metal Climax. It is located about 50 miles west of Denver, Colorado, adjacent to the Continental Divide. The mine site is in a narrow canyon at an elevation of 10,400 feet above sea level.

DOI:

10.14359/17934


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