maximum value of compacting factor for fresh green concrete

Maximum possible value of Compacting Factor for fresh (green)

2021-7-29  Maximum possible value of Compacting Factor for fresh (green) concrete is:

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Maximum possible value of Compacting Factor for fresh ...

As, compacting factor is defined as the ratio of the weight of partially compacted concrete to the weight of fully compacted concrete, so it is evident that weight of partially compacted concrete can never exceed the weight of fully compacted concrete, that’s why the maximum possible value of compacting factor for fresh concrete is 1.

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Maximum possible value of Compacting F actor for fresh ...

Compaction factor is the ratio of the weight of fresh, partially compacted concrete/ to fully compacted concrete. The maximum possible value of Compacting factor for fresh (green) concrete is considered to be 1 theoretically , but lets look into it in a pragmatic way:

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(Solved) - Q.4 Maximum possible value of Compacting Factor ...

Q.4 Maximum possible value of Compacting Factor for fresh (green) concrete is: (A) 0.5 (B) 1.0 (C) 1.5 (D) 2.0 Q.5 As per IS 800:2007, the cross-section in which the extreme fiber can reach the yield stress, but cannot develop the plastic moment of resistance due to failure by local buckling is classified as (A) plastic section (B) compact section (C) semi-compact section (D) slender section Q ...

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Concrete Slump and Compacting Factor Test Values and Uses

2016-2-15  The range of results of each these tests indicates the suitable uses of concrete work. The slump and compacting factor test values shown below are of concretes with 20mm or 40mm maximum size of aggregates. Degree of workability. Slump (mm) Compacting factor. Use for which concrete is suitable. Small apparatus.

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Compaction Factor Test - Workability Test Of Fresh Concrete

2017-2-14  Procedure Of Compaction Factor Test: 1. Fill the upper hopper by pouring the concrete sample in it. 2. Open the hinged door at the lower end of the upper hopper allowing the concrete to fall into the lower hopper. 2. Immediately open the gate at the bottom of the lower hopper to allow the concrete

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Compaction of Concrete - Boral

2017-10-6  Page 3 of 7 > compaction of concrete Table 1 Characteristics and applications of immersion vibrators Diameter Recommended Average Radius of Rate of concrete of head 2frequency1 3,5amplitude action placement 4,5 (mm) (Hz) (mm) (mm) (m3/h per vibrator) Application 20–40 150–250 0.4–0.8 75–150 1–4 High slump concrete in very thin

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Workability of Fresh Concrete by Compacting Factor Test ...

The apparatus used is Compacting factor apparatus. Procedure to determine workability of fresh concrete by compacting factor test. i) The sample of concrete is placed in the upper hopper up to the brim. ii) The trap-door is opened so that the concrete falls into the lower hopper. iii) The trap-door of the lower hopper is opened and the concrete ...

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Compaction Factor Test for Concrete Workability - Method ...

2010-3-9  Compaction factor of the concrete = The Compaction factor values ranges from 0.7 to 0.95.

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Concrete Slump and Compacting Factor Test Values and Uses

The range of results of each these tests indicates the suitable uses of concrete work. The slump and compacting factor test values shown below are of concretes with 20mm or 40mm maximum size of aggregates. Degree of workability. Slump (mm) Compacting factor. Use for which concrete is suitable. Small apparatus.

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IS 5515 (1983): Specification compacting factor apparatus

2018-11-14  value od he the same as that of the specSed value in this standard. 1. SCOPE 1.1 This standard covers requirements of the apparatus and accessories Tssed for determining the compacting factor of fresh concrete with nominal maximum aggregate size not

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Compaction Factor Test for Concrete Workability - Method ...

The compaction factor is defined as the ratio of the weight of partially compacted concrete to the weight of fully compacted concrete. It shall normally to be stated to the nearest second decimal place. Compaction Factor Value= (W1-W) / (W2-W) Result of Compaction Factor Compaction factor of the concrete = The Compaction factor values ranges ...

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Comparison of the Performance of Self Compacting

2020-12-19  The Split Tensile Strength of Conventional Self -Compacting Concrete, and Mixing Self-Compacting Concrete. Type 7 days (N/mm2 14 days (N/mm2) 28 days (N/mm2) SCC 3.02 3.6 4.12 Mix-1 3.09 3.54 4.08 Mix-2 3.16 3.62 4.21 Mix-3 3.08 3.6 4.11 IV. CONCLUSION To increase the stability of fresh concrete using increased amount of fine materials in the ...

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Properties of Fresh Concrete and Factors ... - AboutCivil.Org

2017-3-19  Fresh concrete is that stage of concrete in which concrete can be moulded and it is in plastic state. This is also called "Green Concrete". Another term used to describe the state of fresh concrete is consistence, which is the ease with which concrete will flow. The transition process of changing of concrete

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Fresh properties of self-compacting cold bonded fly ash ...

2012-6-12  This paper presents the results of an experimental study on the fresh properties of the self-compacting lightweight concretes made with cold bond fly ash (FA) lightweight aggregates. Binary and ternary use of FA and silica fume (SF) blends have been investigated in the production of self-compacting cold bonded FA lightweight aggregate concretes (SCLWCs). A total of 9 SCLWC mixtures were ...

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An Experimental Investigation on High Strength Self ...

2020-12-28  flow test and compacting factor test are used to study the properties of fresh concrete. The test method like casting cube, cylinder and beams after curing of 7 and 28 days are used to find the properties like Compression, Tensile and Flexural strength of SCC Keywords: Self Compacting Concrete

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Fresh properties of self-compacting rubberized concrete ...

2009-10-24  Concrete casting and test specimens. In the production of self-compacting concrete, the mixing sequence and duration are very important. Thus, the procedure for batching and mixing proposed by Khayat et al. [] was employed to supply the same homogeneity and uniformity in all mixtures.The batching sequence consisted of homogenizing the crumb rubber, fine, and coarse aggregates for 30 s

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Test on fresh concrete and harden concrete

2019-11-21  TEST ON FRESH CONCRETE • What actually is a fresh Concrete? • It is a phase of concrete from mixing to curing- • Mixing • Transporting • Placing • Compacting • Layering(Finishing) • Curing • Also referred as- Green concrete, Workable concrete, Plastic concrete. 3. Images of Fresh Concrete 4.

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Effect of Mould Size on Compressive Strength of Green ...

The concrete was prepared using 4.75, 9.5, 19.0, 37.5, and 75-mm nominal maximum size aggregate. Over 600 cylinders were cast and tested for concrete compressive strength and modulus of elasticity ...

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IS 5515 (1983): Specification compacting factor apparatus

2018-11-14  value od he the same as that of the specSed value in this standard. 1. SCOPE 1.1 This standard covers requirements of the apparatus and accessories Tssed for determining the compacting factor of fresh concrete with nominal maximum aggregate size not

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A Study on Self-Compacting Concrete by Replacing Fine ...

2017-9-5  A Study on Self-Compacting Concrete by Replacing Fine Aggregate and Cement by Foundry Sand and Dolomite Powder Ragulraj1*, Vennila A2, Venkatasubramani R3, Sreevidya V4 1,2,4Department of Civil Engineering, Sri Krishna College of Technology, Coimbatore, India 3 Civil Department, Dr.Mahalingam College of Engineering and Technology, Coimbatore, India

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Fresh concrete properties its standard tests

2011-12-22  Slump Test >Table : Workability, Slump and Compacting Factor of concrete with 19 or 38 mm (3/4 or 1 1 / 2 in) maximum size of aggregate. Degree of workability Slump (mm) Compacting Factor Use for which concrete is suitable Very low 0 - 25

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An Experimental Investigation on High Strength Self ...

2020-12-28  flow test and compacting factor test are used to study the properties of fresh concrete. The test method like casting cube, cylinder and beams after curing of 7 and 28 days are used to find the properties like Compression, Tensile and Flexural strength of SCC Keywords: Self Compacting Concrete

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Performance-based design of self-compacting fibre ...

The fibres affect the characteristics of SCC in the fresh state: the slump flow decreases and the yield value, the plastic viscosity (the resistance to flow) and the bar spacing required to avoid blocking increase compared with a reference SCC. For each reference mixture and the applied fibre type the maximum fibre content was determined.

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Concrete using agro-waste as fine aggregate for ...

2016-12-1  However, in case of tobacco waste concrete, slump value increased as the replacement increased. Compacting factor, penetration, and ball drop increased up to 5% replacement of groundnut shell and oyster shell respectively. In case of flowability and V-funnel test, cork and rice husk managed improved workability up to 20% of replacement. 2.

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Fresh properties of self-compacting rubberized concrete ...

2009-10-24  Concrete casting and test specimens. In the production of self-compacting concrete, the mixing sequence and duration are very important. Thus, the procedure for batching and mixing proposed by Khayat et al. [] was employed to supply the same homogeneity and uniformity in all mixtures.The batching sequence consisted of homogenizing the crumb rubber, fine, and coarse aggregates for 30 s

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What are the Properties of Fresh Concrete?

2017-12-21  Since workability depends on a number of factors, no single test is thought to be sufficient to express this property of fresh concrete. For quality construction, the following three tests are required to be carried out. Slump test. Compacting factor test.

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Comparison of Conventional and Advanced Concrete ...

2016-12-6  Nowadays, high-performance concrete (HPC) and ultra-high-performance concrete (UHPC) are ranked among advanced concrete technologies. The application of the mentioned advanced technologies may have potential to improve the construction efficiency from several points of view. For instance, reducing of construction time and construction material, construction quality improving,

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Norm method to define and evaluate robustness of self ...

2018-2-10  Portland cement with strength grade of 52.5 MPa obtained from Xiao Yetian Cement Co., Ltd. (Jiangsu, China) was used. The apparent density of cement is 3060 kg/m 3, and the chemical and mineral compositions are listed in Table 1.Two types of ground limestone powder (LP 1 and LP 2) with different particle size distributions (PSD) were used as powder materials.

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