Experimental Study of Non- Autoclaved Concrete Prepared by Bagasse Ash

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Experimental Study of Non- Autoclaved Concrete Prepared by Bagasse Ash

1 Shivali, 2 Ashish Kumar

1 M.Tech [Ce], Rimt University Mandi Gobindgarh ,India

2 A.P [Ce] Rimt,India

Abstract:- The main focus of this research is on the creation of concrete utilising bagasse ash as a partial replacement for cement in non-autoclaved concrete. The building's dead load also includes a load of partition walls and ordinary mortars. Bagasse ash has a low density, which helps concrete to be lighter. With the addition of bagasse ash, compressive strength increases by 10% and split tensile strength increases by 10.5 percent. It also reduces the price of concrete by 12%. The prepared concrete has a 20% higher water absorption rate but is 5% less dense.

Keywords:- Aluminium powder, Non-autoclaved concrete, bagasse ash.

  1. INTRODUCTION

    The primary structural material used in Non-autoclaved concrete is used for various structure components, both auxiliary and non-basic, as well as building components. Concrete has several advantages, including its ease of installation, high compressive strength, customizable quality, and local availability. In any case, concrete has a weight limitation as well. When applied to tremor-prone regions like Indonesia, this is a significant burden. frothed concrete is an alternative structure material used to reduce the risk of building damage caused by a seismic tremor disaster. Since the beginning of the twentieth century, non- autoclaved circulated air through cement (AAC) has been mechanically delivered as a structural material. It is a cement obtained by consistently dispersed, closed air bubbles.

    Because AAC has one-sixth to one-third the thickness of traditional cement and a similar proportion of compressive quality, it is useful for cladding and infills, as well as forbearing divider segments of low-to-medium-ascent structures. Furthermore, because its warm conductivity is one-sixth or less than that of solid, it can provide cost-effective structure solutions when used in low- vitality structures. The material has incredible fire rating properties, and its fire resistance lasts slightly longer than traditional cement of a similar thickness. It is not susceptible to form development, and due to its inner porosity, it has an extremely low solid transmission and is acoustically extremely powerful for a material of its weight. To control the thickness of the solid, frothed concrete is created by presenting air through the exclusive froth procedure.

    The thickness of frothed solid ranges from 300 to 1800 kg/m3, which is significantly less than the thickness of ordinary cement (2400 kg/m3). Invulnerable to disappointment as a result of bacterial, creepy crawly, and fire harms. Cell concrete (also known as circulated air through cement or froth concrete) is made of concrete, lime, silica sand, and occasionally pozzolanic material, in which air-voids are entangled in the mortar lattice by methods for a reasonable frothing specialist. It is classified into three groups based on the pore development strategy: air-entraining technique (gas concrete utilising compound response in glue for gas creation), frothing technique (frothed concrete bringing air into the glue with the addition of bubble stabiliser), and combined strategy (bringing air into the glue utilising concoction response and balancing out it with gas stabilizer).

    Because of the relieving temperature, cell cement can be divided into two groups: one that is restored at nearby or marginally raised temperatures, and the other includes precast brickwork items that are not autoclaved at a temperature fundamentally higher than 100 C in a pressurised and steam warmed condition. Because of intentionally entrained air and a lack of compaction, the pore framework in concrete-based material is routinely delegated gel pores, slender pores, and macropores. In comparison to gel pores, fine pores and other large pores are prone to quality decline. Examination techniques such as nitrogen gas assimilation, mercury porosimetry, optical microscopy with image handling, and X-beam registered tomography with image preparation can be used to identify the type of pores.

    The pore arrangement of autoclaved circulated air through cement is classified as I fake air pores, intercluster and interparticle pores, (ii) macropores formed by mass development caused by air circulation and micropores that appear in the dividers between the macropores, and (iii) smaller scale vessels (50 nm to 50 lm) and fake air pores (>50 lm). Circulated air through cement is typically made up of lime, concrete, gypsum, and sand (or pozzolanic materials), with traces of aluminium powder added as a pore-shaping specialist. The aluminium reacts with lime, which releases hydrogen gas and forms a large number of small air pockets that are constantly conveyed in the framework [9,10]. After the set, the circulated air through cement was cut into precise dimensional units and then restored in an autoclave with a best fix pressure of 1.01.2 MPa for 58 hours.

    In contrast to the traditional autoclaved circulated air through cement (AAC), non-autoclaved circulated air through cement (NAAC) has a significant amount of leeway in encouraging the assembling procedure and decreasing the cost of items. During the NAAC development, steam restoring was directed at temperatures lower than 100 C for 824 hours after being cut. As a result, when compared to AAC, the NAAC has the element of security in the item process with low vitality utilisation. AAC is manufactured and displayed as a brickwork unit in the majority of global markets. It is frequently used to replace various types

    of stonework material, but because the material is solid yet , it is frequently used in a thickness that is significantly greater than for other materials.

    AAC can also be used to make delicately fortified storey stature components or more intensely fortified components for floorboards, rooftop boards, divider boards, lintels, pillars, and other exceptional shapes. These components have a wide range of applications, including private, commercial, and modern development. Stronger divider boards can be used as cladding frameworks, as well as load-bearing and non-load-bearing outside and inside divider frameworks. Fortified floor and rooftop boards can be used to provide a flat stomach framework while supporting significant gravity loads. One of the key properties of AAC fabrication is the process's adaptability in terms of item attributes and item sizes. As a result, there are numerous different organisations in which the items could be manufactured.

  2. METHODOLOGY

For the investigation of Non-autoclaved concrete the different extents of sand and concrete with water concrete proportion of 0.50 is taken for the contemplations. What's more, results are inferred based on compressive strength, split elasticity, water assimilation and cost per cubic meter

td>

1:4

Mix Nomenclature

Ratio of cement and sand

Water cement ratio

Cement Quantity Kg/m3

Sand Quantity Kg/m3

Water Quantity Kg/m3

N01

1:1

0.50

625.000

625.000

350.97

N02

1:2

0.50

416.667

833.333

233.98

N03

1:3

0.50

311.500

938.500

175.48

N04

0.50

250.000

1000.000

140.39

N05

1:5

0.50

209.333

1040.667

116.99

N06

1:6

0.50

177.571

1072.429

100.28

N07

2:1

0.50

834.333

415.667

467.96

N08

2:3

0.50

500.000

750.000

280.78

N09

2:5

0.50

356.143

893.857

200.55

Subsequent to choosing the legitimate proportion, the blend was tried with the water concrete proportion of 0.40, 0.45,0.55 and

    1. since light weight substantial necessities more water to respond with alumina Powder to Start the response of the air circulation measure

      Mix Nomenclature

      Ratio of Cement And Sand

      Water – Cement Ratio

      Cement Quantity Kg/m3

      Sand Quantity Kg/m3

      Water Quantity Kg/m3

      N03W00

      01:03

      0.50

      311.500

      938.500

      175.4844

      N03W01

      01:03

      0.40

      311.500

      938.500

      143.5781

      N03W02

      01:03

      0.45

      311.500

      938.500

      159.5313

      N03W03

      01:03

      0.55

      311.500

      938.500

      191.4375

      N03W04

      01:03

      0.60

      311.500

      938.500

      207.3906

      For non-autoclaved circulated air through concrete, the plan blend amounts ought to be decreased to 60%, And the measurements of alumina powder is to be tried. The dose of alumina powder is .1%,.2%,.3% and .4%. alumina powder on response with water produces air which assists with creating circulated air through substantial when blended in with water. So the diverse expansion of alumina are tried.

      Mix Nomenclature

      Ratio of Cement And Sand

      Water Cement Ratio

      Cement Quantity

      Sand Quantity

      Water Quantity

      Aluminium Dosage Quantity

      Kg/m3

      Kg/m3

      Kg/m3

      %

      Kg/m3

      N03

      1:3

      0.50

      186.500

      563.500

      103.120

      0

      0

      N03A01

      1:3

      0.50

      186.500

      563.500

      103.120

      .10%

      .185

      N03A02

      1:3

      0.50

      186.500

      563.500

      103.120

      .20%

      .375

      N03A03

      1:3

      0.50

      186.500

      563.500

      103.120

      .30%

      .560

      N03A04

      1:3

      0.50

      186.500

      563.500

      103.120

      .40%

      .745

      As per the experimental study the bagasse ash to be introduced in the composite mix hence it contents pozzolanic properties it will be helpful in reducing environment waste and emission of CO2 from the concrete.

      Mix Nomenclature

      Ratio Of Cement And Sand

      Water Cement Ratio

      CementQuantity

      Sand Quantity

      Water Quantity

      Bagasse Ash Quantity

      Kg/m3

      Kg/m3

      Kg/m3

      %

      Kg/m3

      N03A03

      1:3

      0.50

      186.5

      563.500

      103.120

      00

      0

      N03B04

      1:3

      0.50

      172.8

      563.500

      103.120

      04

      7.2

      N03B08

      1:3

      0.50

      158.7

      563.500

      103.120

      08

      13.8

      N03B12

      1:3

      0.50

      145.2

      563.500

      103.120

      12

      19.8

      N03B16

      1:3

      0.50

      132.3

      563.500

      103.120

      16

      25.2

      N03B20

      1:3

      0.50

      120

      563.500

      103.120

      20

      30

      N03B24

      1:3

      0.50

      106.875

      563.500

      103.120

      24

      33.75

      Figure 1 Dry mix of Non-autoclaved concrete

      1. RESULTS

          1. Normal Proportions of Cement And Sand

            Mix Nomenclature

            Proportion of Cement and Sand

            Compression Capacity

            Split TensileCapacity

            2

            =

            Water AbsorptionCapacity

            Cost

            Density

            N/mm2

            N/mm2

            Kg/m3

            In Rs

            Kg/m3

            N01

            1:1

            4.94

            1.56

            193.99

            6062.19

            1435.53

            N02

            1:2

            4.59

            1.50

            214.41

            4679.55

            1507.00

            N03

            1:3

            4.09

            1.43

            229.73

            3988.33

            1557.03

            N04

            1:4

            3.64

            1.34

            239.94

            3573.50

            1602.97

            N05

            1:5

            2.99

            1.22

            252.19

            3297.01

            1626.45

            N06

            1:6

            2.47

            1.11

            268.52

            3099.45

            1641.77

            N07

            2:1

            5.32

            1.63

            153.15

            7444.83

            1684.65

            N08

            2:3

            4.60

            1.52

            206.24

            5232.63

            1480.45

            N09

            2:5

            4.34

            1.47

            221.56

            4284.52

            1531.50

            In the trial investigation of different proportions, 1:3 is observed to be exceptionally viable as far as strength, cost, thickness and water ingestion. The proportion 1:1,1:2,2:and 2:3 have higher concrete substance which has two issues , first is hotness of hydration as higher the concrete substance higher will be the fieriness of hydration .second economy higher concrete substance is anything but a financial agreeable . as the concrete substance expands the thickness of substantial increments. As the concrete substance expands the pores in the substantial fills which increment the strength of ceent yet diminishes the water ingestion.

            Strength in N/mm2

            Cost in rs

            Cost in rs

            Strength in N/mm2

            Strength Chart for Proposed Aerated Concrete

            Strength Chart for Proposed Aerated Concrete

            6.000

            5.000

            4.000

            3.000

            2.000

            1.000

            0.000

            6.000

            5.000

            4.000

            3.000

            2.000

            1.000

            0.000

            N01

            N02

            N03

            N04

            N05

            N06

            N07

            N08

            N09

            N01

            N02

            N03

            N04

            N05

            N06

            N07

            N08

            N09

            Diffrent Light Weigth Concrete

            Diffrent Light Weigth Concrete

            Comppresive Strength

            Split tensile Strength

            Comppresive Strength

            Split tensile Strength

            Cost Analysis of Proposed Concrete

            Cost Analysis of Proposed Concrete

            8000

            7000

            6000

            5000

            4000

            3000

            2000

            1000

            0

            8000

            7000

            6000

            5000

            4000

            3000

            2000

            1000

            0

            N01

            N02

            N03

            N04

            N05

            N06

            N07

            N08

            N09

            N01

            N02

            N03

            N04

            N05

            N06

            N07

            N08

            N09

            Diffrent Light Weight Ratios

            Cost in Rs

            Diffrent Light Weight Ratios

            Cost in Rs

          2. With Different Water Ratios

            Mix Nomenclature

            Proportion of Cement and Sand

            Compression Capacity

            Split TensileCapacity

            2

            =

            Water AbsorptionCapacity

            Density

            N/mm2

            N/mm2

            Kg/m3

            N03W00

            0.50

            4.17

            1.46

            234.55

            1589.73

            N03W01

            0.40

            3.64

            1.37

            244.98

            1587.63

            N03W02

            0.45

            3.86

            1.40

            239.76

            1584.51

            N03W03

            0.55

            4.06

            1.44

            234.55

            1597.02

            N03W04

            0.60

            3.96

            1.42

            226.21

            1603.28

            Strength in N/mm2

            Strength in N/mm2

            Examination shows that at w/c proportion .50 gives ideal outcomes as far as strength. As the water content in substantial builds the water request insignificantly changes because of less development of hotness of hydration and concrete glue with additional water fills the pores in the substantial so it likewise ingest less water implies changing the water content doesn't influence the water retention of cement. in any case, the water content makes an irrelevant impact on the thickness of cement.

            Strength Chart for Proposed Areated Concrete with Varing

            w/c ratio

            Strength Chart for Proposed Areated Concrete with Varing

            w/c ratio

            5

            4

            3

            2

            1

            0

            5

            4

            3

            2

            1

            0

            N03W00

            N03W01

            N03W02

            N03W03

            N03W04

            N03W00

            N03W01

            N03W02

            N03W03

            N03W04

            Diffrent Light Weight Ratios with varing w/c ratio

            Diffrent Light Weight Ratios with varing w/c ratio

            Compressive strength

            Split tensile Strength

            Compressive strength

            Split tensile Strength

            Water Absorption And Density Chart of different w/c ratio

            245 1600 te

            Kg/m 240 crn

            245 1600 te

            Kg/m 240 crn

            3

            3

            250 1605

            Water Absorbtion in

            Water Absorbtion in

            235

            230

            225

            220

            215

            N03W00 N03W01 N03W02 N03W03 N03W04

            Diffrent Light Weight Ratios with varing w/c ratio

            1595

            Density of Light Weigth Co

            in Kg/m3

            Density of Light Weigth Co

            in Kg/m3

            e

            e

            1590

            1585

            1580

            1575

            Water Absorbtion Density

          3. With Different Dosage of Alumina Powder

        Mix Nomenclature

        Alumina powder dosage

        Water cement ratio

        Dry volume of material taken

        Volume after B24 hrs

        Increase in cost due to alumina powder

        N03

        0

        0.50

        60%

        60%

        0

        N03A01

        0.10%

        0.50

        60%

        75%

        140.25

        N03A02

        0.20%

        0.50

        60%

        92%

        280.5

        N03A03

        0.30%

        0.50

        60%

        102%

        420.75

        N03A04

        0.40%

        0.50

        60%

        120%

        561

        alumina powder on reaction with water forms air bubbles which creates pores in the concrete so different proportions are tried to check the exact dosage of the alumna powder for the formation of light weight concrete.

        With Replacement of Cement By Bagasse Ash in Proposed Aerated Concrete

        Mix Nomenclature

        Ratio of cement and sand

        Proportion of Cement and Sand

        Compression Capacity

        Split Tensile Capacity

        2

        =

        Water Absorption Capacity

        cost (Excluding the cost of alumina powder which is 750 rs per kg)

        Density

        N/mm2

        N/mm2

        Kg/m3

        RS

        Kg/m3

        N03A03

        1:3

        0.50

        3.34

        1.46

        234.55

        1344.75

        1589.73

        N03B04

        1:3

        0.50

        3.44

        1.50

        239.76

        1335.37

        1587.63

        N03B08

        1:3

        0.50

        3.96

        1.56

        255.40

        1303.05

        1584.51

        N03B12

        1:3

        0.50

        4.27

        1.60

        274.16

        1287.42

        1597.02

        N03B16

        1:3

        0.50

        4.48

        1.61

        281.46

        1271.78

        1603.28

        N03B20

        1:3

        0.50

        3.86

        1.56

        302.31

        1198.81

        1174.15

        N03B24

        1:3

        0.50

        3.75

        1.45

        364.85

        1094.56

        1072.05

        Expansion in bagasse debris content increment the strength boundaries because of its pozzolanic activities yet it additionally expands water ingestion limit of cement since bagasse debris is water

        400

        350

        300

        250

        200

        150

        100

        50

        0

        400

        350

        300

        250

        200

        150

        100

        50

        0

        1800

        1600

        1400

        1200

        1000

        800

        600

        400

        200

        0

        1800

        1600

        1400

        1200

        1000

        800

        600

        400

        200

        0

        N03A03 N03B04 N03B08 N03B12 N03B16 N03B20 N03B24

        Diffrent Light Weight Ratios with Diffrent Bagasse ash Content

        N03A03 N03B04 N03B08 N03B12 N03B16 N03B20 N03B24

        Diffrent Light Weight Ratios with Diffrent Bagasse ash Content

        Water Absorbtion

        Water bsorbtion

        Density

        Density

        Strength in N/mm2

        Strength in N/mm2

        Water Absorbtion in Kg/m3

        Water Absorbtion in Kg/m3

        Density of Light Weigth Concrete in Kg/m3

        Density of Light Weigth Concrete in Kg/m3

        restricting debris and it effectively retains water. Utilization of bagasse debris can diminish the thickness of cement for example decrease in weight and utilization of bagasse debris can be result into the decrease in cost too.

        Strength Chart for Proposed Aerated Concrete with

        Varying Bagasse ash Content

        Strength Chart for Proposed Aerated Concrete with

        Varying Bagasse ash Content

        5

        4.5

        4

        3.5

        3

        2.5

        2

        1.5

        1

        0.5

        0

        5

        4.5

        4

        3.5

        3

        2.5

        2

        1.5

        1

        0.5

        0

        N03A03

        N03B04

        N03B08

        N03B12

        N03B16

        N03B20

        N03B24

        N03A03

        N03B04

        N03B08

        N03B12

        N03B16

        N03B20

        N03B24

        Diffrent Light Weight Ratios with Diffrent Bagasse ash Content

        Diffrent Light Weight Ratios with Diffrent Bagasse ash Content

        Compressive strength

        Split tensile Strength

        Compressive strength

        Split tensile Strength

        Water Absorption And Density Chart of Dfferent Bagasse

        ash content

        Water Absorption And Density Chart of Dfferent Bagasse

        ash content

      2. CONCLUSION

  1. Bagasse debris can be effectively supplanting concrete up to 20% because of its pozzolanic activity.

  2. For the specific proportion bagasse debris can decrease the expense of light weight concrete up to12%.

  3. Bagasse debris additionally decreases the heaviness of cement up to 6%

  4. Increase in the strength because of bagasse debris can be seen up to 30%.

  5. Due to utilization of bagasse debris water ingestion of substantial increments up to 18%.

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