Effect of Strength Development of High-Strength Concrete Using Different Sorts of Cements on Elastic Modulus of Elasticity

Nakata, Yoshihisa; Sawamoto, Takehiro; Otsuka, Shuzo; Haruyama, Nobuhito

doi:10.3130/aijs.72.17_6

Cited by 4 publications

(1 citation statement)

References 1 publication

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“…In both the seal‐cured specimens and the concrete in structure, k is low for an age of 3 days. This is consistent with the knowledge that, in specimens with a small age, the static modulus of elasticity tends to be low despite the compressive strength. The value of k increased from an age of 7 days and peaked at an age of 28 days, and declined thereafter, but the change after an age of 91 days was comparatively small.…”

Section: Experiments Results and Discussionmentioning

confidence: 99%

Study on estimation of compressive strength of concrete in structure using ultrasonic method

Watanabe

Hishikawa²,

Kamae³

et al. 2018

Japan Architectural Review

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In this study, for improving the accuracy of estimating the compressive strength of concrete using the ultrasonic method, a method for measuring the ultrasonic velocity and a method for estimating the strength of concrete were investigated. In an experiment with reinforced concrete members of actual size, the precision of the proposed method for measuring the ultrasonic velocity of inner concrete was confirmed to be high. Furthermore, the estimated value of the compressive strength of concrete in structure using the proposed strength estimation method was close to the actual measurement value.

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Section: Experiments Results and Discussionmentioning

confidence: 99%

Study on estimation of compressive strength of concrete in structure using ultrasonic method

Watanabe

Hishikawa²,

Kamae³

et al. 2018

Japan Architectural Review

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On the Strength Development and Time for Formwork to Remain in Place of Concrete Effected With Types of Cements

Kaneko¹,

Tamai²,

Ishikawa³

et al. 2009

Nihon Kenchiku Gakkai Kozokei Ronbunshu

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��This paper presents the results of experimental studies on the strength characteristics of concrete. Strength development of concrete is influenced by the types of cements and the curing temperature. Therefore, in this research, it is found that the temperature range for temperature compensated specified strength T of JASS 5 is proper, and the time for formwork to remain in place is proposed according to the types of cements. As for Young's modulus, correction factor for the types of cements should be considered to the AIJ expression of it.

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A Study on Static Modulus of Elasticity of High-Strength Concrete Concerning Core Specimen From Imitated Concrete Column and Simple Adiabatic Curing Specimen

Nakata¹,

Sawamoto²,

Otsuka³

et al. 2010

Nihon Kenchiku Gakkai Kozokei Ronbunshu

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The last study described that the shorter the period of standard curing, the smaller the development of static modulus of elasticity, even though the same compressive strength of high-strength concrete was obtained. Furthermore, the tendency was changed by sorts of cements under the standard curing. In this study, the static modulus of elasticity of high-strength concrete concerning core specimen from imitated concrete column and simple adiabatic curing specimen were investigated. In case standard curing specimen and adiabatic curing specimen were tested at the age of 13 weeks, the calculated value of static modulus of elasticity according to the New RC formula was almost the same as that of test result. However, in case core specimen from imitated concrete column was tested at the age of 13 weeks, the calculated value was smaller than the test result. Therefore, it is considered that the calculated value can be made more accurate when coefficients of cements, ages and specimens are added to the New RC formula.

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Effect of Strength Development of High-Strength Concrete Using Different Sorts of Cements on Elastic Modulus of Elasticity

Cited by 4 publications

References 1 publication

Study on estimation of compressive strength of concrete in structure using ultrasonic method

Study on estimation of compressive strength of concrete in structure using ultrasonic method

On the Strength Development and Time for Formwork to Remain in Place of Concrete Effected With Types of Cements

A Study on Static Modulus of Elasticity of High-Strength Concrete Concerning Core Specimen From Imitated Concrete Column and Simple Adiabatic Curing Specimen

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