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Performance of self-compacting concrete incorporating ...

2016-10-15  The present study investigates the performance of self-compacting concrete (SCC) and self-compacting sand concrete (SCSC) incorporating recycled concrete fines and aggregate under different sulphate environments. Similar mixtures incorporating natural aggregates and natural pozzolana were also tested for comparison.

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Performance of self-compacting concrete at room and

2019-2-22  Performance of self-compacting concrete at room and after elevated temperature incorporating Silica fume Table. 4 Physical properties of aggregates. Characteristic Fine aggregate Coarse aggregate SCC Specific gravity 2.46 2.66 Fineness modulus 2.65 6.88 Water absorption 0.85% 0.3% Loose bulk density (kg/m3) 1580 1470

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Mechanical performance of self-compacting concrete ...

Self-compacting concrete (SCC) is a highly-workable concrete that fills the formwork under its own weight without needing vibration. The application of byproducts or waste materials as cement substitutes in SCC can enhance its mechanical performance. Rice husk ash (RHA) is one of the highly reactive byproducts.

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(PDF) Performance of self-compacting concrete at room

Performance of self-compacting concrete at r oom and after elevated temperature incorporating Silica fume concrete (ACI 234R) ” , ACI Mater. J ., 92 (4), 437-440

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Performance Based Design of Self-Compacting Concrete ...

2014-1-10  This study presents an experimental study on the performance based design of self-compacting concrete incorporating Class F fly ash where a total of 6 cubes, 3 cylinders and 3 prisms were cast and tested to failure while another 6 cubes, 3 cylinders and 3 prisms were also prepared for the normal concrete (NC) as control specimens.

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Performance of self-compacting concrete at room and

Performance of self-compacting concrete at room and after elevated temperature incorporating Silica fume Ahmad, Subhan (Department of Civil Engineering, Aligarh Muslim University) ... Sobolev, K. (2004), "The development of a new method for the proportioning of high-performance concrete mixtures", Cement Concrete Compos., 26(7), 901-907. ...

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Study on performance enhancement of self-compacting ...

Study on performance enhancement of self-compacting concrete incorporating waste foundry sand. ... Beyond 10% replacement level, strength and durability of concrete specimens started to show degradation. But WFS was observed as an excellent alternative for

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Mechanical performance of self-compacting concrete ...

2018-7-20  Self-compacting concrete (SCC) is a highly-workable concrete that fills the formwork under its own weight without needing vibration. The application of byproducts or waste materials as cement substitutes in SCC can enhance its mechanical performance. Rice husk ash (RHA) is one of the highly reactive byproducts.

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Performance of self-compacting concrete with

2019-4-16  Performance of self-compacting concrete with manufactured crushed sand . aggregates Fig. 2 Cumulative size distribution of cement and crushed limestone fines of. the. laser. granulometer. are illustrated andin Fig. 2. The. physical. properties of aggregates used are summarized in Table 2. Two different types inof sand were

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Study on performance enhancement of self-compacting ...

2020-8-10  Porosity of concrete was observed to be higher at elevated temperature. As stated above, although valuable research is already available in the case of ordinary concrete, very limited studies on the SCC containing WFS and its transport properties are available. That is why this study focuses on transport properties of SCC containing WFS.

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Performance of self-compacting concrete incorporating ...

Two sizes of aggregates from crushing concrete wastes were used in the study. Concrete fines were used as a replacement to natural pozzolana. Addition of concrete fines up to 40% had improved the strength. Reusing recycled aggregate and fine recycled

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Performance of Self-Compacting High-Performance

The present study experimentally investigated the impact of incorporating recycled coarse aggregate (RCA) and two unprocessed waste powder materials on the residual mechanical properties of self-compacting high-performance concrete (SCHPC) after exposure to elevated temperature.

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Performance evaluation of self-compacting concrete ...

2020-3-23  Sustainable development in concrete technology can be achieved via conservation of primary materials and enhancement of the durability of concrete structures. Accordingly, in this study, self-compacting concrete (SCC) was developed

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Performance of self-compacting concrete containing fly

High-performance concrete (HPC) is a relatively recent advancement in cementitious composite materials with mechanical and durability properties which far exceed those of conventional concrete.

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(PDF) A Comprehensive Study on the Hardening Features

2021-7-31  A Comprehensive Study on the Hardening Features and Performance of Self-Compacting Concrete with High-Volume Fly Ash and Slag ... S. Durability of self-con solidat ing concrete incorporating

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Fresh properties of self-compacting concrete

2020-3-14  This study investigates the fresh properties of self-compacting concrete incorporating electric arc furnace oxidizing slag as coarse aggregate. A binary blend of 30% fly ash and cement was utilized as binder to improve the performance of concrete in its fresh state. Concrete grades M20, M30 and M40 were developed by replacing natural coarse aggregate with 50% and 100% electric arc furnace ...

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Performance of High-volume Fly Ash Self-compacting ...

2020-10-13  Performance of High-volume Fly Ash Self-compacting Concrete Exposed to External Sulfate Attack . T. S. al-Attar. University of Technology, Iraq . A. A. Taha . Ministry of Health and Environment, Iraq . ABSTRACT. The high-volume fly ash concrete, HVFAC, could be defined as any concrete mix having fly ash content

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Formulation and performance evaluation of alkali

2018-9-21  Extensive quantities of fly ash and ground granulated blast furnace slag are produced by power-generation plants and steel manufacturing industries. These superfluous by-products, instead of being left as waste, are used for producing alkali-activated self-compacting concrete, generally known as self-compacting geopolymer concrete

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Performance and sustainability overview of alkali ...

2020-8-13  Performance of AASCC Slump. The slump of SCC is one of the major properties that determine its classification and application. Following the requirements of EFNARC [], SCC must possess a slump in the range of 650–800 mm to be used for various applications.Similar to the conventional AAC, the increase in the concentration of the alkali activators used in AASCC is expected to result in a ...

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Preparation and flexural fatigue resistance of self

2021-1-31  In this study, the mix proportion of self-compacting road concrete with ternary cementitious materials was optimized by incorporating nano-silica particles to improve its flexural fatigue performance. The filling property and compressive strength were ...

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Performance of Self-Compacting High-Performance

The present study experimentally investigated the impact of incorporating recycled coarse aggregate (RCA) and two unprocessed waste powder materials on the residual mechanical properties of self-compacting high-performance concrete (SCHPC) after exposure to elevated temperature.

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Performance Based Design of Self-Compacting Concrete ...

Request PDF Performance Based Design of Self-Compacting Concrete Incorporating Class F Fly Ash The application of self-compacting concrete (SCC) in speeding the development of construction ...

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Performance of Self-Compacting Geopolymer Concrete

2021-8-10  Performance of Self-Compacting Geopolymer Concrete Using Spent Garnet as Sand Replacement . ... Recently, intensive research has proven that obtaining modified concrete by incorporating waste materials can lead to sustainable product development. Such concrete structures not only allow for greener and more environmentally sound construction but ...

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Performance evaluation of self-compacting concrete ...

2020-3-23  Sustainable development in concrete technology can be achieved via conservation of primary materials and enhancement of the durability of concrete structures. Accordingly, in this study, self-compacting concrete (SCC) was developed

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High Temperature Performance of Self-Compacting High ...

2011-6-15  Quite often, concrete in structures is likely to get exposed to high temperatures, including an incident of fire. The strength-retention properties of concrete after such an exposure are of great importance in terms of the serviceability of buildings. This paper presents an experimental study on the strength retention and impermeability aspects of a set of self compacting, high-volume fly ash ...

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Fire Performance of Heavyweight Self-Compacting

2019-3-11  In this study, the fresh and hardened state properties of heavyweight self-compacting concrete (HWSCC) and heavyweight high strength concrete (HWHSC) containing heavyweight magnetite aggregate with 50, 75, and 100% replacement ratio, and their performance at elevated temperatures were explored experimentally.

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High-Performance Self-Compacting Concrete with

2020-6-26  high-performance concrete produced with coarse recycled aggregates (CRA). The authors state that the microstructural properties of the aggregate/binder transition zone are one of the main causes for possible performance loss of these concrete mixes. Likewise, other authors have promising results in concrete with CRA for replacement ratios of up ...

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Performance of High-volume Fly Ash Self-compacting ...

2020-10-13  Performance of High-volume Fly Ash Self-compacting Concrete Exposed to External Sulfate Attack . T. S. al-Attar. University of Technology, Iraq . A. A. Taha . Ministry of Health and Environment, Iraq . ABSTRACT. The high-volume fly ash concrete, HVFAC, could be defined as any concrete mix having fly ash content

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Fresh properties of self-compacting concrete

2020-3-14  This study investigates the fresh properties of self-compacting concrete incorporating electric arc furnace oxidizing slag as coarse aggregate. A binary blend of 30% fly ash and cement was utilized as binder to improve the performance of concrete in its fresh state. Concrete grades M20, M30 and M40 were developed by replacing natural coarse aggregate with 50% and 100% electric arc furnace ...

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BONDING STRENGTH CHARACTERISTIC OF SELF

2017-5-22  Selfcompacting concrete (SCC) base on many researches can be defined as a concrete which has little resistance to flow so that it can be placed and compacted under its own weight [3]. SCC recipes are often associated with high contents of binder, fillers and plasticizer admixtures, which all may contribute to increased drying shrinkage. It is

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