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Experimental evalua...
Experimental evaluation of tensile behaviour of single cast-in-place anchor bolts in plain and steel fibre-reinforced normal- and high-strength concrete
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- Nilforoush, Rasoul (author)
- Luleå tekniska universitet,Byggkonstruktion och brand
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- Nilsson, Martin (author)
- Luleå tekniska universitet,Byggkonstruktion och brand
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- Elfgren, Lennart, 1942- (author)
- Luleå tekniska universitet,Byggkonstruktion och brand
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(creator_code:org_t)
- Elsevier, 2017
- 2017
- English.
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In: Engineering structures. - : Elsevier. - 0141-0296 .- 1873-7323. ; 147, s. 195-206
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Abstract
Subject headings
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- Cast-in-place anchor bolts embedded in plain and steel fibre-reinforced normal- and high-strength concrete members were subjected to monotonic tensile loads. The influence of the concrete member thickness, concrete strength, and the addition of steel fibres to the concrete mixture, on the anchorage capacity and performance was evaluated. The experimental results were evaluated in terms of anchorage capacity, anchorage ductility and stiffness as well as failure mode and geometry. Furthermore, the validity of Concrete Capacity (CC) method for predicting the tensile breakout capacity of anchor bolts in plain and steel fibre-reinforced normal- and high-strength concrete members was evaluated.The anchorage capacity and ductility increased slightly with increasing member thickness, whereas the anchorage stiffness decreased slightly. In contrast to the anchorage ductility, the anchorage capacity and stiffness increased considerably with increasing concrete compressive strength. The anchorage capacity and ductility also increased significantly with the addition of steel fibres to the concrete mixtures. This enhanced capacity and ductility resulted from the improved flexural tensile strength and post-peak cracking behavior of steel fibre-reinforced concrete.The average ratio of measured strengths to those predicted by the CC method for anchors in plain concrete members was increased from 1.0 to 1.17 with increasing member thickness. In steel fibre-reinforced concrete, this ratio varied from 1.29 to 1.51, depending on the member thickness and the concrete strength.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Samhällsbyggnadsteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Civil Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Samhällsbyggnadsteknik -- Infrastrukturteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Civil Engineering -- Infrastructure Engineering (hsv//eng)
Keyword
- Anchor bolt
- Headed anchor
- Concrete cone breakout
- Splitting failure
- Normal-strength concrete
- High-strength concrete
- Member thickness
- Steel fibre-reinforced concrete
- Structural Engineering
- Konstruktionsteknik
Publication and Content Type
- ref (subject category)
- art (subject category)
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