Study On Strength Characteristics Of NSC And HSC Using ... · 3 Design mix 3.1 Mix of M25 and M60...

2596

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Research Paper Paper

International Journal of Informative & Futuristic Research ISSN (Online): 2347-1697

Volume 2 Issue 8 April 2015

Abstract

To develop economical concrete by combination of various proportions of fine aggregate with used foundry sand and to decrease discarding and effluence problems due to used foundry sand. It is very much required to produce profitable construction materials from foundry sand. The inventive draw on of used foundry sand in concrete development as a fine aggregate substitution material was experienced as a substitute to conventional concrete. The fine aggregate has been replaced with used foundry sand consequently in the array of 0%, 10%, 20%, 30%, 40% & 50% by weight of fine aggregate for M-25 and M-60 grade concrete. Concrete mix were shaped, tested and compared in regard of workability and strength with the normal concrete. These tests were done to assess the harden properties for 7 and 28 days. Investigate work is alarmed with experimental investigation on potency of concrete and most favourable percentage of the partial replacement by replacing fine aggregate by 10%, 20%, 30%, 40% and 50% of used foundry sand. observance of all this view, the aspire of investigation is the performance of concrete while addition of waste with diverse proportions of used foundry sand in concrete by using tests like compression strength and split tensile strength.

Study On Strength Characteristics Of

NSC And HSC Using Used Foundry Sand

As A Replacement For Fine Aggregate Paper ID IJIFR/ V2/ E8/ 057 Page No. 2596-2605 Subject Area Civil Engineering

Key Words Used Foundry Sand, Cost, Compressive Strength, Split Tensile Strength

Vijay Kumar Y M 1

Assistant Professor Department Of Civil Engineering Adichunchanagiri Institute of Technology, Chikmagalur, Karnataka

Thejas H K 2

M.Tech. Student [Structural Engineering] Department Of Civil Engineering Adichunchanagiri Institute of Technology, Chikmagalur, Karnataka

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ISSN (Online): 2347-1697 International Journal of Informative & Futuristic Research (IJIFR)

Volume - 2, Issue - 8, April 2015 20th Edition, Page No: 2596-2605

Vijay Kumar Y M , Thejas H K :: Study On Strength Characteristics Of NSC And HSC Using Used Foundry Sand As A Replacement For Fine Aggregate

1. Introduction

Foundries that are metal-casting factories which generate product called as used foundry sand. Metal

foundries utilize huge amount of the metal casting course. Foundries productively reuse the sand

several times in a foundry and the residual sand that is called as foundry sand is disinterested from

foundry. Exercise of foundry sand in a variety of engineering application can resolve the difficulty

of discarding of foundry sand and other purpose. Foundry sand contains mainly of silica sand which

is coated with a skinny film of burnt carbon and dust. Foundry sand be able to be used in concrete to

advance its strength and additional durability factors. Foundry Sand can be used as a fractional

substitute of fine aggregates or whole replacement of fine aggregate and as additional to attain

diverse properties of concrete. Power plays an significant role in developing countries like India. By

earn of carbon credit by utilizing engineering waste used foundry sand for construction Materials

such as fine aggregate, the energy & surroundings can be saved. Concrete is a compound building

material serene of cement, aggregate, water, and admixtures. Concrete is finished by mixing:

Cement, fine, coarse aggregates, water and admixtures. The aim is to mix these materials

conventionally to create concrete that is easy to place, finish and to provide a strong and tough

product. The balanced amount of each material affects the property of hardened concrete. This

foundry sand consumes a huge percentage of confined landfill space for every year. Worse yet, a

few of the wastes are land multiply on cropland as a discarding technique, increasing concerns about

trace of contaminants rising in soil or running off into area lakes. Some factories burn the sludge in

incinerators, causative to our sombre air pollution harms. To reduce discarding and pollution

troubles emanating from this industrial waste, it is a large amount essential to expand profitable

construction materials from them. Keeping this in vision, investigations be undertake to manufacture

low cost concrete by combination of various ratios of fine aggregate with used foundry sand.

2. Experimental program

The investigational system was established to evaluate the influence of UFS as fine

aggregate on the fresh and hardened concrete behaviour. The workability, compressive

strength and split tensile strength were evaluated and compared with control mixture.

2.1 Materials

2.1.1. Foundry sand

The Metal foundries utilize huge amount of the metal casting process. Foundries productively

recycle and use again the sand numerous times in a foundry and the residual sand which is termed as

foundry sand is detached from foundry. This research presents the sequence concerning the civil

engineering uses of foundry sand, which is precisely sound and also environmentally in safe hands.

Use of foundry sand in a variety of engineering application be able to resolve the difficulty of

discarding of foundry sand and additional purposes. Foundry sand mainly consists of silica sand,

thin film of burnt carbon, binder (bentonite, sea coal) and dust. Foundry sand can be utilized in

concrete to increase its strength and other toughness factors. Foundry Sand can be worn as a partial

substitute of cement or as a partial substitute of fine aggregates or total substitute of fine aggregate

and as extra addition to attain diverse properties of concrete.

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2.1.2 Cement

The nearly all ordinary cement used is an ordinary Portland cement. The Ordinary Portland Cement

of 43 grade (Chattinad cement OPC) conforming to IS: 8112-1989 is been used. Numerous tests

were conduct on cement; some of them are setting time tests, consistency tests, soundness tests, etc.

2.1.3 Coarse Aggregate

The fractions from 20 mm down size are used as coarse aggregate, conforming to IS: 383 is being

used. The Elongation, Index Flakiness were maintained well below 15%

2.1.4 Fine aggregate

The fractions from 4.75 mm below are termed as fine aggregate. The river sand conforming to the

requirements of IS: 383. The river sand is wash and screen, to get rid of harmful materials and over

size particles.

2.1.5 Water

Water is a vital ingredient of concrete as it in fact participates in the compound reaction with

cement. Because it helps to from the strength giving cement gel, the quantity and quality of water is

required to be maintained very carefully.

3 Design mix

3.1 Mix of M25 and M60 grade was designed as per Indian Standard method

Table 3.1.1: Mix design for M25 grade concrete

Sl no. Type of

concrete

w/c

C

(Kg)

FA

(Kg)

CA

(Kg)

UFS

(Kg)

Water

(Lit)

1 A0 0.50 372 620 1144 0 186

2 A1 0.50 372 558 1144 62 186

3 A2 0.50 372 496 1144 124 186

4 A3 0.50 372 431 1144 186 186

5 A4 0.50 372 372 1144 248 186

6 A5 0.50 372 310 1144 310 186

Table 3.1.2: Mix design for M60 grade concrete

Sl

no.

Type of

concrete

w/c

C

(Kg)

FA

(Kg)

CA

(Kg)

UFS

(Kg)

SP

(%)

Water

(Lit)

1 B0 0.32 468 630 1160 0 1 150

2 B1 0.32 468 567 1160 63 1 150

3 B2 0.32 468 504 1160 126 1 150

4 B3 0.32 468 444 1160 186 1 150

5 B4 0.32 468 378 1160 252 1 150

6 B5 0.32 468 315 1160 315 1 150

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56

43 40 41

37 31

0

10

20

30

40

50

60

A0 A1 A2 A3 A4 A5

Slu

mp

(m

m)

Type of Concrete

Table 3.1.2: list of symbol and abbreviation

Sl. no. Type of concrete Description

1 A0 M25 grade concrete with 0% foundry sand replacement






7 B0 M60 grade concrete with 0% foundry sand replacement






4 Experimental methodology

Concrete containing used foundry sand as a partial replacement of fine aggregate is experimented.

Concrete is composed of cement, coarse aggregate, fine aggregate, used foundry sand and water.

The used foundry sand is replaced in the range of 0%, 20%, 30%, 40% and 50% by weight of fine

aggregate

4.1 Fresh property test

Table 4.1.1: Slump Check For M25 Grade Concrete

Sl no. Type of concrete Slump(mm)

1 A0 56

2 A1 43

3 A2 40

4 A3 41

5 A4 37

6 A5 31

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Table 4.1.2: slump check for M60 grade concrete

Sl no. Type of concrete Slump(mm)

1 B0 22

2 B1 18

3 B2 20

4 B3 16

5 B4 16

6 B5 10

4.2. Harden property test

Table 4.2.1: Compressive strength for M25 grade concrete

Sl

no.

Type of concrete Average ultimate

compressive strength at

7 days

(N/mm2)

Average ultimate


28 days

(N/mm2)

1 A0 23.55 30.61

2 A1 27.94 34.76

3 A2 28.96 36.26

4 A3 29.66 39.00

5 A4 28.96 37.70

6 A5 26.72 37.74

22

18

20

16 16

10

0

5

10

15

20

25

B0 B1 B2 B3 B4 B5

Slu

mp

(m

m)

Type of concrete

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Table 4.2.2: Compressive strength for M60 grade concrete

Sl

no.

Type of concrete Average ultimate


7 days

(N/mm2)

Average ultimate


28 days

(N/mm2)

1 B0 48.30 70.74

2 B1 47.64 69.76

3 B2 48.78 69.26

4 B3 50.15 69.94

5 B4 49.90 68.70

6 B5 48.19 68.00

23.55

27.94 28.96 29.66 28.96 26.72

30.61

34.76 36.26

39 37.7 37.74

0

5

10

15

20

25

30

35

40

45

A0 A1 A2 A3 A4 A5

Co

pm

pe

ssiv

e s

tre

ngt

h (

Mp

a)

Type of concrete

7 Days

28 Days

48.3 47.64 48.78 50.15 49.9 48.19

70.74 69.76 69.26 69.94 68.7 68

0

10

20

30

40

50

60

70

80

B0 B1 B2 B3 B4 B5

Co

mp

ress

ive

str

en

ght

(Mp

a)

Types of concrete

7 Days

28 Days

2602




Table 4.2.3: Split tensile strength for M25 grade concrete

Sl

no.

Type of concrete Average split tensile

strength at

7 days

(N/mm2)

Average split tensile

strength at

28 days

(N/mm2)

1 A0 2.94 4.3

2 A1 2.49 3.50

3 A2 2.43 3.61

4 A3 2.39 3.46

5 A4 2.23 3.33

6 A5 2.19 3.15

Table 4.2.4: Split tensile strength for M60 grade concrete

Sl

no.

Type of concrete Average split tensile

strength at

7 days

(N/mm2)

Average split tensile

strength at

28 days

(N/mm2)

1 B0 3.34 4.74

2 B1 3.29 4.27

3 B2 3.89 4.91

4 B3 3.12 3.90

5 B4 3.97 4.64

6 B5 2.28 3.57

2.94

2.49 2.43 2.39 2.33 2.19

4.3

3.5 3.61 3.46

3.33 3.15

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

A0 A1 A2 A3 A4 A5

Split

te

nsi

le s

tre

ngt

h (

Mp

a)

Type of concrete

7 Days

28 Days

2603




Table 4.2.5: Rate analysis for M25 grade concrete

3.34 3.29

3.89

3.12

3.97

2.28

4.74

4.27

4.91

3.9

4.64

3.57

0

1

2

3

4

5

6

B0 B1 B2 B3 B4 B5

Split

te

nsi

le s

tre

ngt

h (

Mp

a)

Type of Concrete

7 Days

28 Days

6552

6366

6180

5988

5800

5622

5000

5200

5400

5600

5800

6000

6200

6400

6600

6800

A0 A1 A2 A3 A4 A5

Co

st/m

3 (R

s)

Type of concrete

Cost (Rs)

2604




Table 4.2.6: Rate analysis for M60 grade concrete

5. Conclusion

With respect to the above study the subsequent comments are made concerning the properties and

behaviour of concrete on fractional replacement of fine aggregate by used foundry sand

I. Workability of concrete containing used foundry sand goes on decreasing with incorporation

of used foundry sand

II. Compressive strength was increased with rise in percentage of used foundry sand and

maximum compressive strength was obtained at 30% replacement of fine aggregate by used

foundry sand.

III. Split tensile strength reduced with boost in percentage of used foundry sand above 20%

replacement

IV. The problems of disposal and cost of land filling is reduced V. The result of cost change reduces up to 564Rs in M25 and 558Rs in M60 for 30%

replacement of waste foundry sand. this shows that the concrete produced is economical

References

[1] Abichou T. Benson, C. Edil T., 1998a.Database on beneficial reuse of foundry by- products.

Recycled materials in geotechnical applications, Geotech. Spec. Publ.No.79, C. Vipulanandan and

D.Elton, eds., ASCE, Reston, Va., 210-223

[2] Assistant Prof. Ankit .N. Patel, Assistant Prof.Jayeshkumar.Pitroda stone waste as a groundbreaking

conception for the low cost concrete ,ISSN No-2231-5381,Vol IV, Issue IV, April 2013, Pg no 843-

849

[3] Tarun R. Naik, Viral M. Patel, Dhaval M. Parikh, and Mathew P. Tharaniyil, “Utilization Of Used

Foundry Sand In Concrete”, University Of Wisconsin –Milwaukee

[4] Tikalsky, J. Paul, Smith, Earl and Regan, W. Raymond, December 1998. Proportioning Spent Casting

Sand In Controlled Low-Strength Materials. Aci Material Journal, V.95, No.6, Pp 740-746

7738

7549

7360

7180

6982

6793

6200

6400

6600

6800

7000

7200

7400

7600

7800

8000

B0 B1 B2 B3 B4 B5

Co

st/m

3 (

Rs)

Type of concrete

Cost (Rs)

2605




Biographies

Mr.Vijay Kumar Y M was born on 1984 in Mandya. Karnataka. He receives his Bachelor

of Engineering degree in Civil Engineering from PES college of Engineering, Mandya,

Karnataka in the year 2006 and Masters degree in CAD Structures from PES college of

Engineering, Mandya, Karnataka in the year 2008. At present he is working as Assistant

Professor in Adichunchanagiri Institute of Technology, Chikmagalur, Karnataka.

Mr. Thejas H K was born in 1991 in Mysore, Karnataka. He receives his Bachelor of

Engineering degree in Civil Engineering from the Government Engineering College,

Chamarajanagar, Karnataka from VTU in 2013. At present he is Final year student of

Master’s degree in Structural Engineering from Adichunchanagiri Institute of

technology. Chikmagalur, Karnataka under VTU.

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