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International Concrete Abstracts Portal

Showing 1-5 of 39 Abstracts search results

Document: 

SP45-35

Date: 

January 1, 1974

Author(s):

Kenneth D. Hansen, Reporter

Publication:

Symposium Papers

Volume:

45

Abstract:

Contractor James P. Crawford of Sansan, Inc. began the session by relating his experience using shotcrete for structural rehabilitation on three projects. The first two projects were somewhat similar in that they were both railroad tunnel rehabilitations in Ohio.

DOI:

10.14359/17962


Document: 

SP45-14

Date: 

January 1, 1974

Author(s):

Fernando E. Valencia

Publication:

Symposium Papers

Volume:

45

Abstract:

The ultimate test of shotcrete when used as tunnel support or finished lining is how effectively it serves the purpose for which it is used.

DOI:

10.14359/17941


Document: 

SP45-38

Date: 

January 1, 1974

Author(s):

Engineering Foundation

Publication:

Symposium Papers

Volume:

45

Abstract:

The Engineering Foundation Conference on "use of Shotcrete for Underground Structural Support" program schedule on July 16-20, 1973 in South Berwick, Maine.

DOI:

10.14359/17965


Document: 

SP45-32

Date: 

January 1, 1974

Author(s):

James R. Graham

Publication:

Symposium Papers

Volume:

45

Abstract:

We have discussing at considerable length various problems and unanswered questions with the use of accelerators and cement in concrete. The subject of shotcrete strength development has also occupied much of our dialogue. "I want to present to you a shotcreting system that uses neither accelerators nor portland cement and develops high early strength. I am talking about what we call 'polymer shotcrete'."

DOI:

10.14359/17959


Document: 

SP45-17

Date: 

January 1, 1974

Author(s):

John W. Morris

Publication:

Symposium Papers

Volume:

45

Abstract:

"I should like to describe rather briefly the shotcrete design practices that have been followed by the Bureau of Relclamation. In doing this, several different uses of shotcrete in tunnels will be instanced. Reasons why advancements toward the use of the "New Austrian Tunneling Method" have not been more rapid in this country will be discussed and finally some mention of the outlook for use of concrete in future tunnels.

DOI:

10.14359/17944


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