About: A Statistical Analysis of the Modulus of Elasticity and Compressive Strength of Concrete C45/55 for Pre-stressed Precast Beams

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About: A Statistical Analysis of the Modulus of Elasticity and Compressive Strength of Concrete C45/55 for Pre-stressed Precast Beams Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Random behavior of concrete C45/55 XF2 used for prefabricated pre-stressed bridge beams is described on the basis of evaluating a vast set of measurements. A detailed statistical analysis is carried out on 133 test results of cylinders 150 x 300 mm in size. The tests have been running in laboratories of the Klokner Institute. A single worker took all specimens throughout the period, and the subsequent measurements of the static modulus of elasticity and the compressive strength of the concrete were performed. The measurements were made at the age of 28 days after specimens casting, and only one testing machine with the same capping method was used. Suitable theoretical models of division are determined on the basis of tests in good congruence, with the use of chí2 and the Bernstein criterion. A set of concrete compressive strength (carried out on 133 test results of cylinders 150 x 300 mm after test of static modulus of elasticity) shows relatively high skewness in this specific case. This cause that limited beta distribution is better than generally recommended theoretical distribution for strength the normal or lognormal. The modulus of elasticity is not significantly affected due to skewness because the design value is based on mean value. Random behavior of concrete C45/55 XF2 used for prefabricated pre-stressed bridge beams is described on the basis of evaluating a vast set of measurements. A detailed statistical analysis is carried out on 133 test results of cylinders 150 x 300 mm in size. The tests have been running in laboratories of the Klokner Institute. A single worker took all specimens throughout the period, and the subsequent measurements of the static modulus of elasticity and the compressive strength of the concrete were performed. The measurements were made at the age of 28 days after specimens casting, and only one testing machine with the same capping method was used. Suitable theoretical models of division are determined on the basis of tests in good congruence, with the use of chí2 and the Bernstein criterion. A set of concrete compressive strength (carried out on 133 test results of cylinders 150 x 300 mm after test of static modulus of elasticity) shows relatively high skewness in this specific case. This cause that limited beta distribution is better than generally recommended theoretical distribution for strength the normal or lognormal. The modulus of elasticity is not significantly affected due to skewness because the design value is based on mean value. (en)
Title	A Statistical Analysis of the Modulus of Elasticity and Compressive Strength of Concrete C45/55 for Pre-stressed Precast Beams A Statistical Analysis of the Modulus of Elasticity and Compressive Strength of Concrete C45/55 for Pre-stressed Precast Beams (en)
skos:prefLabel	A Statistical Analysis of the Modulus of Elasticity and Compressive Strength of Concrete C45/55 for Pre-stressed Precast Beams A Statistical Analysis of the Modulus of Elasticity and Compressive Strength of Concrete C45/55 for Pre-stressed Precast Beams (en)
skos:notation	RIV/68407700:21610/12:00202330!RIV13-GA0-21610___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GAP104/10/2359)
http://linked.open...iv/cisloPeriodika	11
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Kolísko, Jiří Huňka, Petr Jung, Karel
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Kloknerův ústav
http://linked.open...dnocenehoVysledku	120634
http://linked.open...ai/riv/idVysledku	RIV/68407700:21610/12:00202330
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	concrete compression strength; modulus of elasticity; prefabricated pre-stressed bridge beams; goodness-of-fit test; statistical assessment (en)
http://linked.open.../riv/klicoveSlovo	modulus of elasticity concrete compression strength prefabricated pre-stressed bridge beams statistical assessment goodness-of-fit test
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[73AF1C17DE61]
http://linked.open...i/riv/nazevZdroje	Journal of Civil Engineering and Architecture
http://linked.open...in/vavai/riv/obor	JM
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Creep and shrinkage of high performance concrete
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	6
http://linked.open...iv/tvurceVysledku	Huňka, Petr Kolísko, Jiří Jung, Karel
issn	1934-7359
number of pages	6 (xsd:int)
http://localhost/t...ganizacniJednotka	21610

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