compressive strength of m grade concrete with recycled concrete aggregate

  • Compressive strength and hydration processes of concrete

    This paper deals with the correlation between the time evolution of the degree of hydration and the compressive strength of Recycled Aggregate Concrete (RAC) for different water to cement ratios and initial moisture conditions of the Recycled Concrete Aggregates (RCAs).

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  • Strength and Deformation Behavior of Concrete Made with

    Mar 15 2018 · The natural coarse aggregates are replaced with Recycled coarse aggregates at different replacement ratios. Four replacement ratios are considered in this present study 0 (control specimens) 20 40 and 80 M-20 grade of concrete mix is considered in this study.

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  • Effect of Recycled Coarse Aggregate on Concrete Properties

    recycled aggregate compressive strength flexural strength modulus elasticity (2003) that had conducted a series of experiments to determine the effect of grade of original concrete on modulus of elasticity. They obtained three types of aggregate namely H M and L by crushing laboratory made conventional concrete of high strength

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  • Compressive strength of concrete with recycled glass as

    Nov 05 2014 · T1Compressive strength of concrete with recycled glass as partial aggregate replacement. AUHamid Roszilah. AUZubir M. A. PY2015. Y12015. N2In this study recycled glass is used to replace the natural fine aggregate in different mix proportions to obtain the optimum combination that will produce the highest strength.

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  • Strength and Durability Evaluation of Recycled Aggregate

    May 14 2015 · This paper discusses the suitability of producing concrete with 100 recycled aggregate to meet durability and strength requirements for different applications. Aggregate strength gradation absorption specific gravity shape and texture are some of the physical and mechanical characteristics that contribute to the strength and durability of concrete.

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  • Effect of Recycled Aggregate on Mechanical and Durability

    compressive strength was observed as compared to NAC. With a gain in target strength the use of Recycled Aggregate Concrete is less recommended due to RAC s unreliability 20 . When compared to normal concrete the strength of RAC decreases with an increase in water absorption.

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  • Properties of concrete prepared with low-grade recycled

    Moreover Fig. 2 Fig. 3 show that the relative compressive strength of the concrete made with the low-grade recycled aggregate (RAI and RAII) were lower than those of the natural and commercial recycled aggregate. This is may be attributed to weaker and higher water absorption of low-grade recycled aggregate.

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  • Flexural behavior of RC Beam Strength and Durability

    optimum for normal strength recycled aggregate concrete production11. Fly ash and Meta kaolin individually act as mineral admixtures in the cement replacement and increase in percentage replacement increase the compressive strength up to certain limit and further increase reduces the strength of concrete in cube compression.

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  • Compressive Strength of Concrete Using Recycled Concrete

    than that of corresponding recycled aggregate concrete. The results of the study showed that recycled concrete aggregate can potentially replace completely natural aggregate in the production of both non-structural and structural concrete. Keywords compressive strength coarse aggregate concrete natural aggregate recycled concrete aggregate.

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  • A Study on the Optimum Replacement of Coarse Aggregates

    A Study on the Optimum Replacement of Coarse Aggregates with Reclaimed Rubber in M20 Grade Concrete. The scarcity of conventional materials such as cement and aggregates has led to the use of alternate materials in concrete. Chidolue and Nwakire "Investigating the Effects of Coarse Aggregate types on the Compressive Strength of Concrete

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  • compressive strength of m grade concrete with recycled

    This work studies the physical and mechanical properties of recycled concrete aggregate (recycled aggregate from concrete waste) and their influence in structural recycled concrete compressive strength. For said purpose a database has been developed with the experimental results of 152 works selected from over 250 international eferr ences.

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  • Compressive Strength of Concrete with Recycled Glass as

    In this study recycled glass is used to replace the natural fine aggregate in different mix proportions to obtain the optimum combination that will produce the highest strength. The control samples are Grade 30 ordinary Portland cement concrete (OPCC) containing 100 natural sand and coarse aggregate. The recycled glass concretes contain 70 natural fine aggregate 30 size 300 micron

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  • Potential Use of Recycled Aggregate in Structural Concrete

    Test results of concrete compressive strength indicated that replacement of natural aggregate more than 30 recycled concrete aggregates in mixes led to decrease of concrete compressive strength.

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  • Influence of recycled concrete aggregates on strength

    The recycled aggregate concrete has a compressive strength of at least 76 and modulus of elasticity from 60 to 100 of the control mix. Hansen and Narud found that the compressive strength of recycled concrete is strongly correlated with the water–cement ratio of the original concrete if other factors are kept the same. When the water

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  • Compressive strength improvement for recycled concrete

    While when silica fume is used the concrete compressive strength increase again to 29.2 MPa for samples with 100 of recycled aggregate. Discover the world s research 15 million members

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  • Workability and Compressive Strength of Recycled Concrete

    The addition of fly ash in recycled aggregate concrete has two methods named equivalent replace and super-substitute technique. The workability of fresh concrete compression strength spilt and flexural strength of recycled aggregate concrete with different content of

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  • Study of recycled concrete aggregate quality and its

    This work studies the physical and mechanical properties of recycled concrete aggregate (recycled aggregate from concrete waste) and their influence in structural recycled concrete compressive strength. For said purpose a database has been developed with the experimental results of 152 works selected from over 250 international references.

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  • Effect of recycled coarse aggregate on concrete

    Jun 22 2011 · The effect of recycled coarse aggregate on concrete compressive strength was investigated based on the concrete skeleton theory. For this purpose 30 mix proportions of concrete with target cube compressive strength ranging from 20 to 60 MPa were cast with normal coarse aggregate and recycled coarse aggregate from different strength parent concretes.

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  • Mechanical properties of steel fiber reinforced recycled

    This study experimentally investigates the mechanical properties of steel fiber reinforced recycled aggregate concrete (SFRRAC). The smaller strength and ductility of recycled aggregate concrete

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  • Compressive strength of concrete with recycled glass as

    Nov 05 2014 · T1Compressive strength of concrete with recycled glass as partial aggregate replacement. AUHamid Roszilah. AUZubir M. A. PY2015. Y12015. N2In this study recycled glass is used to replace the natural fine aggregate in different mix proportions to obtain the optimum combination that will produce the highest strength.

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  • Effect of Recycled Concrete Aggregate (RCA) on Compressive

    Request PDF On Dec 17 2007 Faisal Mukhtar and others published Effect of Recycled Concrete Aggregate (RCA) on Compressive Strength of Concrete (Case Study of Grade 30 Concrete) Find read

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  • (PDF) Performance of Recycled Concrete Aggregate in Self

    A series of investigations on the mechanical property durability and the structural performance of recycled aggregate concrete (RAC) have been carried out in the past 15 years (1996–2011) in

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  • Study of recycled concrete aggregate quality and its

    Study of recycled concrete aggregate quality and its relationship with recycled concrete compressive strength using database analysis • 3. Materiales de Construcción 66 (323) July–September 2016 e089.

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  • EXPERIMENTAL STUDY O N THE SHEAR STRENGTH OF

    parameters of recycled aggregate concrete such as split tensile strength and compressive strength and were studied 2 8 -9 the elastic and in elastic stage for shear strength of recycled concrete beams are observed similar to that of natural aggregate concrete beams.

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  • Strength and Durability Evaluation of Recycled Aggregate

    May 14 2015 · Compressive strength and resistance to chloride ion penetration and carbonation of recycled aggregate concrete with varying amount of fly ash and fine recycled aggregate. Waste Management 31 (11) 2352–2360. doi 10.1016/j.wasman.2011.06.014 .

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  • Drying shrinkage of concrete made from recycled concrete

    Drying shrinkage of concrete made from recycled concrete aggregate B A. Whiting University Of Wollongong T J. McCarthy University of Wollongong timmc uow.edu E Lume University of Wollongong elume uow.edu Research Online is the open access institutional repository for the University of Wollongong. For further information contact the UOW

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  • New Views on Effect of Recycled Aggregates on Concrete

    This paper presents an in-depth study on the effect that composition and properties of recycled coarse aggregates from previous concrete structures together with water/cement ratio (w/c) and a replacement ratio of coarse aggregate have on compressive strength its evolution through time and its variability.

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  • Effect of recycled concrete aggregates on strength and

    "Mechanical Characteristics of Concrete with Recycled Aggregates Coming from Prefabricated Discarded Units." Materiales de Construccion 62 (305) 25–37. Limbachiya M. T. Leelawat and R. Dhir. 2000. "Use of Recycled Concrete Aggregate in High Strength Concrete." Materials and

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  • Crushed Concrete AggregatesProperties and Uses of

    Crushed concrete aggregates also called as recycled concrete aggregates are fragments and pieces of concrete buildings which are demolished or rebuild. These crushed concrete are cleaned from dirt and broken to smaller pieces to manufacture aggregate which is termed as recycled aggregate. Crushed

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  • Experimental evaluation of the high-grade properties of

    Experimental evaluation of the high-grade properties of recycled concrete aggregates and their application in concrete road pavement construction. found that the compressive strength of recycled aggregate concrete (RAC) in case of using high-grade RCA did not differ much from the reference concrete made using only natural aggregates.

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  • Effect of Recycled Coarse Aggregate on Concrete Properties

    recycled aggregate compressive strength flexural strength modulus elasticity (2003) that had conducted a series of experiments to determine the effect of grade of original concrete on modulus of elasticity. They obtained three types of aggregate namely H M and L by crushing laboratory made conventional concrete of high strength

    Get Price
  • Compressive strength improvement for recycled concrete

    While when silica fume is used the concrete compressive strength increase again to 29.2 MPa for samples with 100 of recycled aggregate. Discover the

    Get Price
  • Crushed Concrete AggregatesProperties and Uses of

    Crushed concrete aggregates also called as recycled concrete aggregates are fragments and pieces of concrete buildings which are demolished or rebuild. These crushed concrete are cleaned from dirt and broken to smaller pieces to manufacture aggregate which is termed as recycled aggregate. Crushed

    Get Price
  • The Effect of Aggregate Properties on Concrete

    The compressive aggregate strength is an important factor in the selection of aggregate. When determining the strength of normal concrete most concrete aggregates are several times stronger than the other components in concrete and therefore not a factor in the strength of normal strength concrete.

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  • Study on compressive strength of recycled aggregate

    The researches of Jianzhuang Xiao et al 9 show that the compressive strength of recycled aggregate concrete is closely related to the replacement rate water-cement ratio and age etc. and the

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  • Effect of recycled concrete aggregates on strength and

    This paper investigates the effect of recycled con-crete aggregate (RCA) on the rate of concrete compressive strength and stiffness gain with time and on the bond strength between seven-wire steel prestressing strand and concrete. The use of RCA did not have a significant effect on the rate of concrete compressive strength or stiffness

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