average modulus of elesticity of concrete coarse aggregates

  • Direct compressive strength and Elastic modulus of

    Direct compressive strength and Elastic modulus of recycled aggregate concrete Gupta Arundeb 1, Mandal Saroj 2, Ghosh Somnath 3 1 Research Scholar, Department of Civil Engineering, Jadavpur University, Kolkata 700032, 2, 3 Professor, Department of Civil Engineering, Jadavpur University, Kolkata 700032 [email protected]

    Published in: International Journal of Civil and Structural Engineering · 2011Authors: Gupta Arundeb · Mandal Saroj · Ghosh SomnathAbout: Noninvasive ventilation · Forensic science · Biology · Toxicology · Mathematics · Stat
  • Aggregates for Concrete Civil Engineering

    Coarse aggregates (Fig. 52) consist of one or a comCHAPTER 5 Aggregates for Concrete bination of gravels or crushed stone with particles predominantly larger than 5 mm (0.2 in.) and generally between 9.5 mm and 37.5 mm (3⁄ 8 in. and 11⁄ 2 in.). Some natural aggregate deposits, called

    Authors: J SingletongreenAbout: Bulk density · Fineness · Grading · Absorption · Impurity · Specific gravity
  • Factors Affecting the Modulus of Elasticity of Concrete

    A larger proportion of coarse aggregate leads to a high value of E as well. Table summarizes the values of E for various ingredients. Note that a very large value of E of the aggregate will lead to an elastic mismatch among the aggregate, mortar and cracks in the transition zone. Modulus of elasticity of aggregate, cement paste, and concrete

  • FINENESS MODULUS OF FINE AGGREGATE ftp.dot.state.tx.us

    FINENESS MODULUS OF FINE AGGREGATE TxDOT Designation: Tex402A Effective Date: August 1999 1. SCOPE 1.1 This method determines the fineness modulus of concrete fine aggregate used in evaluation of natural and manufactured sands for portland cement concrete. 1.2 The values given in parentheses (if provided) are not standard and may not be exact

  • Fineness Modulus Method of Concrete Mix Design

    Fineness Modulus Method of Concrete Mix Design. The index number, which describes the relative sizes of coarse and fine aggregates, is called as fineness modulus (FM). Fineness modulus is determined separately by sieving coarse and fine aggregates through the following set of sieve.

  • Aggregate Bond and Modulus of Elasticity of Concrete

    Better monolithic behavior of concrete, which is beneficial, for example, when temperature cycling is expected, is achieved when the difference between the moduli is reduced. A discussion of the behavior of highstrength concrete and of lightweight aggregate concrete gives a

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  • Influence of Coarse Aggregate on Elastic Properties of

    The American Concrete Institute. Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensusbased standards, technical resources, eduional programs, and proven expertise for individuals and organizations involved in concrete design

  • The Ratio between Static and Dynamic Modulus

    The Ratio between Static and Dynamic Modulus of Elasticity in Normal and High Strength Concrete Abstract There is a simple linear relationship between the static and dynamic elastic module, this lead to hope that using dynamic elastic modulus may remove the problems in measuring the static elastic modulus of concrete.

  • What is the value of modulus of elasticity of concrete?

    According to the "Structural Engineer's Pocket Book" concrete commonly has a modulus of elasticity in the range of 17 30 GPa. The exact value of modulus of elasticity depends on the concrete's

  • COARSE AGGREGATE EFFECTS ON ELASTIC MODULI OF CONCRETE

    COARSE AGGREGATE EFFECTS ON ELASTIC MODULI OF CONCRETE. The results of a laboratory testing program carried out to investigate the effect of coarse aggregate types on the elastic modulus of typical pavement concretes are presented. The elastic modulus was determined in both flexure and compression using static and dynamic means.

    Published in: Transportation Research Record · 1996Authors: Bouzid Choubane · Chunglung Wu · Mang TiaAffiliation: National Research Council · University of FloridaAbout: Dynamic testing · Statics · Elastic modulus · Water–cement ratio · Static testing · Com
  • Influence of coarse aggregate on concrete's elasticity

    the modulus of elasticity when compared to that of compressive strength. Studies in various regions of Brazil (Alhadas, Calixto & Ferreira, 2010 Machado, Shehata & Shehata, 2009) have reported that the mineralogical composition of coarse aggregate strongly affects the modulus of elasticity of concrete

  • Influence of coarse aggregate on concrete's elasticity modulus

    Comparisons demonstrated that the effect of coarse aggregate on the elasticity modulus was negligible when compared to the concrete?s resistance class. average of 2.5%. In the case of the

  • Strength, Modulus of Elasticity, Creep and Shrinkage of

    strength, modulus of elasticity, creep and shrinkage of concrete used in florida by boris haranki a thesis presented to the graduate school of the university of florida in partial fulfillment of the requirements for the degree of master of engineering university of florida 2009

    Authors: Hubert Rusch · Dieter Jungwirth · Hubert K HilsdorfAffiliation: Karlsruhe Institute of TechnologyAbout: Compressive strength
  • Effect of Stress on the Dynamic Modulus of Concrete

    Effect of Stress on the Dynamic Modulus of Concrete D. A. LINGER, Associate Professor of Civil Engineering, University of Arizona This paper presents the results of a preliminary investigation of the effect of stress intensity on the modulus of elasticity of concrete. Stressstrain diagrams are shown which were constructed for static

  • Fineness Modulus of Coarse Aggregates and its Calculation

    Fineness modulus of coarse aggregates represents the average size of the particles in the coarse aggregate by an index number. It is calculated by performing sieve analysis with standard sieves. The cumulative percentage retained on each sieve is added and subtracted by 100 gives the value of fine aggregate.

  • Effect of Aggregate Quality on the Properties of Concrete

    Conclusions Fig. 4 shows the measured values of the modulus of elasticity of concrete specimens prepared with the select The quality of coarse aggregate has a significant ed coarse aggregates. These data indie that the type effect on the compressive strength of high strength of coarse aggregate has a significant effect on the concrete.

  • Predicting modulus elasticity of recycled aggregate

    Sep 30, 2015 · Reduced modulus of elasticity of recycled aggregate concrete (RAC) can be attributed to the decreased elastic modulus of the this residual mortar compared to the recycled aggregate itself, . However, an increase in the elastic modulus can be achieved either by altering the mixing process or by changing the mix design .

  • The Elastic Modulus of Steel Fiber Reinforced Concrete

    The present paper offers a mesoscale numerical model to investigate the effects of random distribution of aggregate particles and steel fibers on the elastic modulus of Steel Fiber Reinforced Concrete (SFRC). Mesoscale model distinctively models coarse aggregate, cementitious mortar, and Interfacial Transition Zone (ITZ) between aggregate, mortar, and steel fibers with their respective

    Published in: Civil engineering infrastructures journal · 2016Authors: Reza S Jalali · Emran ShadafzaAffiliation: University of GilanAbout: Mesoscopic physics · Elastic modulus
  • The Elastic Modulus of Steel Fiber Reinforced Concrete

    effects of random distribution of aggregate particles and steel fibers on the elastic modulus of Steel Fiber Reinforced Concrete (SFRC). Mesoscale model distinctively models coarse aggregate, cementitious mortar, and Interfacial Transition Zone (ITZ) between aggregate, mortar, and steel fibers with their respective material properties.

  • EFFECT OF SEDIMENTARY AND METAMORPHIC

    Effect of sedimentary and metamorphic aggregate on static modulus of elasticity of highstrength concrete LizarazoMarriaga & López Yépez 236 stability, durability, workability, and economy. Therefore, the physical and chemical properties of aggregates are of interest for concrete technologists because they determine

    Published in: Dyna · 2011Authors: Juan Lizarazomarriaga · Lucio Guillermo Lopez YepezAffiliation: National University of ColombiaAbout: Young's modulus
  • Relationship between compressive strength and modulus

    strength, modulus of elasticity, and unit weight of concrete at the time of compression test, as well as types and mechanical properties of materials for Relationship between compressive strength and modulus of elasticity of HighStrength Concrete T. Noguchi University of Tokyo, Japan K. M. Nemati

  • Young's modulus Wikipedia

    Young's modulus or Young modulus is a mechanical property that measures the stiffness of a solid material. It defines the relationship between stress (force per unit area) and strain (proportional deformation) in a material in the linear elasticity regime of a uniaxial deformation.. Young's modulus is named after the 19thcentury British scientist Thomas Young.

  • Elastic Modulus of Concrete LinkedIn

    Jan 22, 2017 · Elastic modulus is a fundamental parameter in designing concrete structures. In recent years building specifiions have even required a specific elastic modulus of concrete

  • Prediction of Concrete Properties Using Coarse Aggregate

    Prediction of Concrete Properties Using Coarse Aggregate Chemical Composition Data TERRY DossEY, HUMBERTO CAsTEDo, AND B. FRANK McCULLOUGH Regression models that predict the compressive strength, tensile strength, modulus of elasticity, and drying shrinkage of concrete made with several coarse aggregates are presented in this paper.