Fracture parameters for high-performance concrete

Einsfeld, R.A.; Velasco, M. S. L.

doi:10.1016/j.cemconres.2005.09.004

Cited by 82 publications

(18 citation statements)

References 8 publications

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“…Over the past few decades, compared with the extensive research into the static fracture behaviour of HSC [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16], much less information is available on its dynamic fracture behaviour [17][18][19]. Schuler and Hansson [17] measured the tensile strength and the fracture energy of high performance concrete (HPC) with spalling tests, and Mindess et al [18] obtained dynamic mechanical properties of HSC and NSC using a drop-weight impact machine.…”

Section: Introductionmentioning

confidence: 99%

Fracture behaviour of high-strength concrete at a wide range of loading rates

Zhang

Ruiz

et al. 2009

International Journal of Impact Engineering

105

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International audienceThree-point bending tests on notched beams of a high-strength concrete have been conducted using both a servo-hydraulic machine and a self-designed drop-weight impact device. The fracture energy and the peak load were measured over a wide range of loading point displacement rates, spanning eight orders of magnitude. Under low displacement rates, from 10mm/s to 10mm/s, the tests were performed with the servo-hydraulic machine; from 10mm/s to 10mm/s we used the drop-weight impact machine. The results show that the fracture energy and the peak load increase as the loading rate increases. Nevertheless, such a trend is relatively slight under low rates and can be attributed to viscous effects mainly originating from the presence of water in the pore structure. Under high rates the increases in the fracture energy and in the peak load are dramatic due to the effect of inertia

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Section: Introductionmentioning

confidence: 99%

Fracture behaviour of high-strength concrete at a wide range of loading rates

Zhang

Ruiz

et al. 2009

International Journal of Impact Engineering

105

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“…Compared with the extensive research into the static fracture behaviour of high‐strength concrete [1–16], much less information is available on its dynamic fracture behaviour [17–20]. Schuler and Hansson [17] measured the tensile strength and the fracture energy of high‐strength concretes at high strain rates between 10 s −1 and 100 s −1 with spalling tests.…”

Section: Introductionmentioning

confidence: 99%

Effect of Loading Rate on Fracture Energy of High‐Strength Concrete

Ruiz

Zhang

et al. 2011

Strain

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This research deals with the sensitivity of several types of performance-designed highstrength concrete to the loading rate. Variations in the composition of the concrete produce the desired performance, for instance having null shrinkage or being able to be pumped at elevated heights without segregation, but they also produce variations in the fracture properties that are reported in this paper. We performed tests at five loading rates spanning six orders of magnitude in the displacement rate, from 1.74 · 10 )5 mm s )1 to 17.4 mm s )1 . Load-displacement curves show that their peak is higher as the displacement rate increases, whereas the corresponding displacement is almost constant. Fracture energy also increases, but only for loading rates higher than 0.01 mm s )1 . We use a formula based on a cohesive law with a viscous term [Anales de Mecánica de la Fractura 25 (2008) 793-797] to study the results. The correlation of the formula to the experimental results is good and it allows us to obtain the theoretical value for the fracture energy under strictly static conditions. In addition, both the fracture energy and the characteristic length of the concretes used in the study diminish as the compressive strength of their aggregates increases.KEY WORDS: effect of the loading rate, fracture energy, high strength concrete Ó

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“…There was no obvious increase in the width of the Interfacial transition zone in HPVACs compared to control concrete. Three point bend tests for High Performance Concrete notched beams were performed to determine the fracture parameters by Ricardo A. Einsfeld et al [41]. The results obtained by the work of fracture method apparently follow the trend of fracture energy increasing as the compressive strength of the concrete increases.…”

Section: Air Entraining Admixturementioning

confidence: 99%

A Survey of High Performance Concrete Developments in Civil Engineering Field

Patel¹,

Shah²

2013

OJCE

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High Performance concrete (HPC) has received increased attention in the development of infrastructure Viz., Buildings, Industrial Structures, Hydraulic Structures, Bridges and Highways etc. leading to utilization of large quantity of concrete. This paper presents a comprehensive coverage of High Performance concrete developments in civil engineering field. It highlights the High Performance concrete features and requirements over conventional concrete. Furthermore, recent trends with regard to High Performance Concrete development in this area are explored. This paper also includes effect of Mineral and Chemical Admixtures used to improve performance of concrete.

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Fracture parameters for high-performance concrete

Cited by 82 publications

References 8 publications

Fracture behaviour of high-strength concrete at a wide range of loading rates

Fracture behaviour of high-strength concrete at a wide range of loading rates

Effect of Loading Rate on Fracture Energy of High‐Strength Concrete

A Survey of High Performance Concrete Developments in Civil Engineering Field

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