SIZE EFFECT OF SHEAR STRENGTH AND ESTIMATION METHOD OF SHEAR CAPACITY OF DEEP BEAMS

Size effect of deep beams with small shear span to depth ratio (a/d) can be increased by anchorage failure or bearing failure. On the other hand, there are past researches which present that the size effect of deep beams is small in the condition that anchorage failure or bearing failure does not oc...

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Bibliographic Details
Published inDoboku Gakkai Ronbunshuu E Vol. 64; no. 4; pp. 683 - 697
Main Authors TANAKA, Yasushi, WATANABE, Masafumi, SHIMOMURA, Takumi
Format Journal Article
LanguageJapanese
Published Japan Society of Civil Engineers 2008
Subjects
bearing stress
deep beam
diagonal crack
shear capacity
size effect
strut width
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ISSN1880-6066
1880-6066
DOI10.2208/jsceje.64.683

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Summary:Size effect of deep beams with small shear span to depth ratio (a/d) can be increased by anchorage failure or bearing failure. On the other hand, there are past researches which present that the size effect of deep beams is small in the condition that anchorage failure or bearing failure does not occur. In this study, deep beams whose a/d is 1.0 or 1.5 are loaded considering the influence of effective depth and the bearing area on the size effect and the bearing failure. As a result of the investigation, the estimation method of shear capacity which refers to the past estimation equation is proposed in this study. Consequently, applicability of proposed method is verified with the past experiment data.
ISSN:1880-6066
1880-6066
DOI:10.2208/jsceje.64.683