定位销
复合数
结构工程
厚板
剪切(地质)
接头(建筑物)
有限元法
复合结构
材料科学
尺寸标注
剪切力
工程类
复合材料
航空航天工程
作者
Martin Claßen,Josef Hegger
标识
DOI:10.1002/stco.201610011
摘要
Abstract In steel‐concrete composite beams, lifting effects between the steel section and the concrete slab usually occur incidentally and have comparatively small load ordinates compared with the shear forces transferred. For this reason, lifting forces are generally irrelevant for the dimensioning of the composite joint. Nevertheless, this statement does not apply if shear connectors are used for the systematic anchorage of pull‐out forces. Although the anchorage behaviour of conventional shear connectors, e.g. headed studs, has already been studied extensively, appropriate investigations into the anchorage behaviour of concrete composite dowels are lacking, especially for composite dowels in slender or cracked concrete slabs. In this paper, the anchorage behaviour of a puzzle‐shaped concrete composite dowel is investigated in cracked and uncracked concrete. To this end, particular test setups were developed. All tests were simulated using a three‐dimensional, non‐linear finite element model. Finally, an engineering model for calculating the anchoring capacity of single composite dowels and composite dowel groups in reinforced and unreinforced concrete is presented.
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