What is it about?
Strut-and-tie method of design of shear critical concrete members like deep beams, corbels etc. presupposes a reliable efficiency factor to be assigned to different types of struts. The ACI 318 code recommends certain strut efficiency factors which are based more on experience than detailed research. This paper presents an appraisal those recommendations
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Why is it important?
This will help designers design using STM method with higher confidence.
Read the Original
This page is a summary of: An appraisal of the ACI strut efficiency factors, Magazine of Concrete Research, August 2009, ICE Publishing,
DOI: 10.1680/macr.2008.00112.
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