size effect for highstrength concrete cylinders subjected

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Size effect for high-strength concrete cylinders subjected ...

Oct 01, 2003  A numerical and experimental study was carried out on geometrically similar high strength concrete cylinders of different sizes subjected to axial impact. This study investigated the size effect phenomenon for these cylinders under short duration time-dependent compressive loads. Results from the tests and simulations showed the existence of a ...

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SIZE EFFECT IN NORMAL AND HIGH-STRENGTH CONCRETE

addressed the effect of higher loading rates or high-strength concrete (HSC) on the Size Effect. Structural concrete can be subjected to high loading rates, such as those associated with impact and explosion incidents. Such load conditions are generated by dropped objects, vehicle collision into structures, accidental industrial explosions, missile

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Size effect for normal strength concrete cylinders ...

Apr 01, 2005  Size effect in high-strength concrete cylinders subjected to axial impact Int J Impact Eng, Elsevier Science Ltd , 28 ( 2003 ) , pp. 1001 - 1016 Article Download PDF View Record in

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Size Effect in High-Strength Concrete Cylinders Subjected ...

In Ref. [18] for high strength concrete cylinders under the impact velocity of 7 m/s the real strain rates varied in the range of 0.014e0.111 s À1 that were well below the characteristic strain ...

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Comment on: Size effect for high-strength concrete ...

The size-effect phenomenon was investigated numerically and experimentally on both normal- and high-strength concrete cylinders subjected to static and dynamic compression.

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DYNAMIC SIZE EFFECT IN NORMAL- AND HIGH-STRENGTH

Structural concrete can be subjected to high loading rates, such as those associated with impact incidents (vehicle collision into structures). This article reports on a study in which the size-effect phenomenon was investigated numerically and experimentally on both normal- and high-strength concrete cylinders subjected to static and dynamic ...

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Dynamic Size Effect in Normal- and High-Strength Concrete ...

Mar 01, 2005  The size-effect phenomenon was investigated numerically and experimentally on both normal- and high-strength concrete cylinders subjected to static and dynamic compression. The tests provided data whose analysis produced evidence on the effect of loading rate and material strength on the size effect for structural concrete in compression.

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Size effect for normal strength concrete cylinders ...

For instance, Krauthammer et al. [20, 21] and Elfahal et al. [22] carried out the size effect tests of normal-and-high strength concrete subjected to dynamic compressive loadings. In the tests ...

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Specimen shape and size effects on the concrete ...

Feb 10, 2018  Size effect for normal strength concrete cylinders subjected to axial impact Int. J. Impact Eng. , 31 ( 4 ) ( 2005 ) , pp. 461 - 481 Article Download PDF

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Dynamic Size Effect in Normal- and High-Strength Concrete ...

Elfahal and Krauthammer [20] studied the size effects for normal and high strength concrete cylinders subjected to static and dynamic compression. Martí-Vargas et al. [21] studied the size ...

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Size Effect in High-Strength Concrete Cylinders Subjected ...

In Ref. [18] for high strength concrete cylinders under the impact velocity of 7 m/s the real strain rates varied in the range of 0.014e0.111 s À1 that were well below the characteristic strain ...

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Size Effect in Compression of High Strength Fibre ...

Size Effect in Compression of High Strength Fibre Reinforced Concrete Cylinders Subjected to Concentric and Eccentric Loads December 2005 DOI: 10.1002/352760621113

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Dynamic size effect in normal- and high-strength concrete ...

Download Citation On Jan 1, 2006, MTG Barbosa and others published Dynamic size effect in normal- and high-strength concrete cylinders. Discussion Find, read and cite all the research you need ...

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Size effect on seismic performance of high-strength ...

Mar 15, 2019  Li et al. , Su et al. , and Koç et al. found that the nominal strength of plain concrete samples and members decreased with the increase in section size, and that with increasing concrete strength, the size effect became more pronounced, which suggests that high-strength concrete would exhibit a pronounced size effect.

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Specimen shape and size effects on the concrete ...

Feb 10, 2018  Size effect for normal strength concrete cylinders subjected to axial impact Int. J. Impact Eng. , 31 ( 4 ) ( 2005 ) , pp. 461 - 481 Article Download PDF

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Discussion of "Dynamic Size Effect in Normal- and High ...

The discussers of the March-April 2005 paper "Dynamic Size Effect in Normal- and High-Strength Concrete Cylinders" by Motaz M. Elfahal and Theodor Krauthammer have questions or comments on nine separate issues contained in the original paper that they wished to have addressed. Availability: Find a library where document is available.

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Fatigue Fracture of High-Strength Concrete and Size Effect

Sep 01, 1993  Results of an experimental study of fatigue fracture of geometrically similar high-strength concrete specimens of very different sizes are reported and analyzed. Three-point-bend notched beams of depths 1.5, 4.24, and 12 in. were subjected to cyclic loading with a lower load limit of 0.07 P u and an upper limit between 0.73 and 0.84 P u, where ...

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Size effect of confined concrete subjected to axial ...

Mar 16, 2014  WANG Yuan-feng, WU Han-liang. Size effect of concrete short columns confined with aramid FRP jackets [J]. Journal of Composites for Construction, 2011, 15(4): 535–544. Article Google Scholar [6] MOTAZ M E, KRAUTHAMMER T. Dynamic size effect in normal and high-strength concrete cylinders [J].

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Specimen size effect on the splitting-tensile behavior of ...

Size effect for high-strength concrete cylinders subjected to axial impact Int. J. Impact Eng. , 28 ( 2003 ) , pp. 1001 - 1016 Article Download PDF View Record in Scopus Google Scholar

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Size of test cylinder - American Concrete Institute

A. Section 26.12.3.1 of ACI 318-19 allows the use of 4 x 8 in. (100 x 200 mm) or 6 x 12 in. (150 x 300 mm) cylinders for strength tests provided that the requirements of ASTM C31 are met. ASTM C31 requires the cylinder diameter to be 3 times the nominal maximum size of the coarse aggregate. The nominal maximum size of an aggregate is the ...

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Materials Free Full-Text Size Effect in Compressive ...

The scale effect in the case of normal-weight concrete of different types—plain, ordinary, self-compacting, high strength and ultra-high strength (reactive powder concrete), fiber reinforced—was proven in numerous studies, e.g., [23,24,25,26,27,28,29,30,31,32,33,34]. There are two general conclusions resulting from this research concerning ...

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Size Effect Tests of High Strength Concrete Journal of ...

Feb 01, 1997  The cylinders were made of microconcrete with maximum aggregate size 4.76 mm and the compressive strength (f c ′) of concrete was found between 34 and 48 MPa depending on the size of specimens. The concrete mix proportions of water:cement:aggregate:silica fume:superplasticizer were

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Effects of Size and Curing on Cylinder Compressive ...

Jul 01, 1994  Date: 7/1/1994. Abstract: The influence of cylinder size and curing on measured compressive strength was investigated for different strength concretes. Three batches of ready-mix concrete with target compressive strengths of 35, 90, and 120 MPa (5000, 13,000, and 17,500 psi) were used. The curing conditions included air-cured, sealed, and water ...

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Size Effect of Concrete Compressive Strength with ...

An experimental investigation is reported into the size effect for compressive strength from 36 concrete prism specimens under axial loading and with three different kinds of dimensions of 100×100×300mm, 150×150×300mm, 200×200×400mm. Such parameters as strength grade of concrete and reinforcement ratio are taken into consideration. Three different strength grades of concrete and two ...

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Size Effect Tests of High Strength Concrete Journal of ...

Feb 01, 1997  The cylinders were made of microconcrete with maximum aggregate size 4.76 mm and the compressive strength (f c ′) of concrete was found between 34 and 48 MPa depending on the size of specimens. The concrete mix proportions of water:cement:aggregate:silica fume:superplasticizer were

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Shape and Size Effects on the Compressive Strength of High ...

Shape and Size Effects on the Compressive Strength of High-strength Concrete. In this paper the authors investigate the influence of the shape and size of specimens on the compressive strength of high-strength concrete. Cylinders and cubes of different sizes are used for performing stable stress–strain tests.

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Size effect of confined concrete subjected to axial ...

Mar 16, 2014  WANG Yuan-feng, WU Han-liang. Size effect of concrete short columns confined with aramid FRP jackets [J]. Journal of Composites for Construction, 2011, 15(4): 535–544. Article Google Scholar [6] MOTAZ M E, KRAUTHAMMER T. Dynamic size effect in normal and high-strength concrete cylinders [J].

Get price

Discussion of "Dynamic Size Effect in Normal- and High ...

The discussers of the March-April 2005 paper "Dynamic Size Effect in Normal- and High-Strength Concrete Cylinders" by Motaz M. Elfahal and Theodor Krauthammer have questions or comments on nine separate issues contained in the original paper that they wished to have addressed. Availability: Find a library where document is available.

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Effect of Specimen Size and Shape on the Compressive ...

150 x 300 mm cylinders to 100 x 200 mm cylinders was 0.86. Keywords: High strength concrete, compressive strength, size effect, shape effect INTRODUCTION In Saudi Arabia concrete is the dominant construction material for all types of buildings and other structures. Most of the structural concrete elements are made with a compressive strength ...

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Size Effect of Concrete Compressive Strength with ...

An experimental investigation is reported into the size effect for compressive strength from 36 concrete prism specimens under axial loading and with three different kinds of dimensions of 100×100×300mm, 150×150×300mm, 200×200×400mm. Such parameters as strength grade of concrete and reinforcement ratio are taken into consideration. Three different strength grades of concrete and two ...

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[PDF] Effect of Cylinder Size on the Modulus of Elasticity ...

For normal strength concrete (≤40 MPa), the two different cylinder sizes do not result in significant differences in test results including experimental variability, compressive strength, and static and dynamic elastic moduli. However, it was observed that the size effect became substantial in high strength concrete greater than 40 MPa.

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Effect of Cylinder Size on the Modulus of Elasticity and ...

Sep 02, 2015  The primary objective of this study is to investigate the effects of cylinder size (150 by 300 mm and 100 by 200 mm) on empirical equations that relate static elastic moduli and compressive strength and static and dynamic elastic moduli of concrete. For the purposes, two sets of one hundred and twenty concrete cylinders, 150 by 300#x2009;mm and 100 by 200#x2009;mm, were

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[PDF] Comparative Size Effect Study of Concrete Made With ...

The present study investigated the size effect phenomenon for plain-concrete and concrete inclusion with materials possessing pozzolanic properties as partial replacement of cement. Geometrically similar concrete cylinders of different sizes were cast. Compressive strength was evaluated at the age of 28 and 90 days.

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Application of size effect to compressive strength of ...

It is important to consider the effect of size when estimating the ultimate strength of a concrete member under various loading conditions. Well known as the size effect, the strength of a member tends to decrease when its size increases. Therefore, in view of recent increased interest in the size effect of concrete this research focuses on the size effect of two main classes of compressive ...

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Size effects on nominal tensile strength of concrete ...

The nominal tensile strength of concrete structures is constant for relatively large sizes, whereas it decreases with the size for relatively small sizes. When, as usually occurs, the experimental investigation does not exceed one order of magnitude in the scale range, a unique tangential slope in the bilogarithmic strength versus size diagram is found.

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Scaling of energy dissipation in crushing and ...

Size effect of sandstone and concrete. Computational Modelling of Concrete Structures, Bicanic et al. (eds). Campione, G. and Mindess, S. (1999). Size effects in compression of high strength fibre reinforced concrete cylinders subjected to concentric and eccentric loads, in Materials for Buildings and Structures, Euromat 99, (edited by F.H ...

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Study on the Rock Size Effect of Quasistatic and Dynamic ...

Jun 07, 2021  To study the size effect of rock under quasistatic and dynamic conditions, the changes in compressive strength with the change in specimen size are measured. Cylindrical granite specimens with length-diameter ratios in the range of 0.5∼1 are used for uniaxial compression tests using an RMT testing machine and an SPHB impact testing machine.

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Size Effect in FRP-Confined Concrete under Axial ...

Nov 23, 2016  The effect of size on strength of fiber-reinforced polymer (FRP)-confined cylindrical concrete columns is studied. The specimens studied are self-similar, i.e., all column dimensions as well as FRP wrap thickness are scaled proportionately with specimen size. Unlike many previous studies, a significant size effect is found in large specimens.

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