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Anchors in low and high strength concrete



Title: Anchors in low and high strength concrete
Author(s): J. Kunz, Y. Yamamoto, M. Berra
Paper category : conference
Book title: International Symposium on Connections between Steel and Concrete
Editor(s): R. Eligehausen
Print-ISBN: 2-912143-25-X
e-ISBN: 2351580346
Publisher: RILEM Publications SARL
Publication year: 2001
Pages: 142 - 149
Total Pages: 8
Nb references: 7
Language: English


Abstract: Standard anchor design rules apply to normal strength concrete in a range of about 20 to 50 MPa compressive strength. However, we often encounter low strength concrete when retrofitting old buildings. On the other hand, the evolution in concrete technology leads to always higher compressive strengths in new concrete construction.

A research commissioned by Hilti Corporate Research and carried out under the direction of Professor Yamamoto at Shibaura Institute of Technology in Japan investigated the transfer capability of anchors by conducting a systematic series of more than 500 shear and tension tests in low strength concrete.

The behavior of anchors in high strength concrete has been investigated in the European project ANCHR. This paper puts together comparable results from both research programs and draws conclusions for the design of anchorage in low and high strength concrete. This leads to the conclusion that standard design rules can be applied for shear transmission, but that for tension load, the concrete strength has to be taken into account as proposed by structural concrete codes when designing anchorage for concrete capacity in low or high strength concrete.


Online publication: 2009-12-31
Publication type : full_text
Public price (Euros): 0.00