1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. These notes and footnotes (excluding those in tables) shall not be considered as requirements of this standard. Higher levels (30% to 50%) have been used in massive struc- Link to Active (This link will always route to the current Active version of the standard. 200) sieve.Most fly ashes typically fall within a size range of from 60 to 90 percent passing the 0.075 mm (No. 1 0 obj
11.2 Tolerance Requirements for the Quantity of Fly Ash Packed in Bags 11.2.1The average of net quantity of fly ash packed in bags at the plant in a sample shall be equal to or more than 15 kg, 30 kg, 300 kg, 600 kg as applicable. 21 – 23 Soundness. 325) Sieve, C441/C441M Test Method for Effectiveness of Pozzolans or Ground Blast-Furnace Slag in Preventing Excessive Expansion of Concrete Due to the Alkali-Silica Reaction, C604 Test Method for True Specific Gravity of Refractory Materials by Gas-Comparison Pycnometer, C618 Specification for Coal Fly Ash and Raw or Calcined Natural Pozzolan for Use in Concrete, C670 Practice for Preparing Precision and Bias Statements for Test Methods for Construction Materials, C1012/C1012M Test Method for Length Change of Hydraulic-Cement Mortars Exposed to a Sulfate Solution, C1437 Test Method for Flow of Hydraulic Cement Mortar, C1697 Specification for Blended Supplementary Cementitious Materials, D1426 Test Methods for Ammonia Nitrogen In Water, D4326 Test Method for Major and Minor Elements in Coal and Coke Ash By X-Ray Fluorescence, E11 Specification for Woven Wire Test Sieve Cloth and Test Sieves, ICS Number Code 91.100.30 (Concrete and concrete products), ASTM C311 / C311M-18, Standard Test Methods for Sampling and Testing Fly Ash or Natural Pozzolans for Use in Portland-Cement Concrete, ASTM International, West Conshohocken, PA, 2018, www.astm.org, Sieve size is identified by its standard designation in Specification. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. View. Class-F fly ash having specific gravity 2.10 and dark brown color is used. 11. Although attempting maximum fly ash utilization is helpful from various perspectives, there is Road construction projects using PCC can use a great deal of concrete, and substituting fly ash provides significant economic benefits. The 45µm sieve residues of the five samples were 40%, 41%, 48%, 63% and 88% with water requirements of 97%, 112%, 93%, 98% and 107%, respectively. Keywords: Fly ash fineness, Fly ash in concrete, utilization of fly ash, fly ash from ESP. Super plasticizer Chemrite-530 used as super plasticizer because it is high range water View 0 peer reviews of Effect of fly ash fineness on compressive strength and pore size of blended cement paste on Publons COVID-19 : add an open review or score for a COVID-19 paper now to ensure the latest research gets the extra scrutiny it needs. Seventy-five percent of the fly ash must have a fineness of 45 µm or less, and have a carbon content, measured by the loss on ignition (LOI), of less than 4%. TESTS 11.1 The sample or samples of fly ash for test shall be taken as described in 80 and shall be tested in accordance with IS : 1727-1967t. Fly ash has also been used as embankment and mine fill, and it has i… Particularly, the disposal of coal bottom ash (CBA) is becoming an increasing concern for many countries because of the increasing volume generated, the costs of operating landfill sites, and its potential hazardous effects. Ordinary Portland cement conforming to IS 8112 (BIS, 1989) was used as a binder. 24 Air-entrainment of mortar. <>/Font<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>>
Fly ash can be used as prime material in many cement-based products, such as poured concrete, concrete block, and brick. endobj
The documents listed below are referenced within the subject standard but are not provided as part of the standard. This study used high fineness of fly ash as a cement replacement to improve recycled aggregate concrete properties. The challenge is to obtain two representative 1 … endobj
or [50-mm] Cube Specimens), C114 Test Methods for Chemical Analysis of Hydraulic Cement, C125 Terminology Relating to Concrete and Concrete Aggregates, C150/C150M Specification for Portland Cement, C151/C151M Test Method for Autoclave Expansion of Hydraulic Cement, C157/C157M Test Method for Length Change of Hardened Hydraulic-Cement Mortar and Concrete, C185 Test Method for Air Content of Hydraulic Cement Mortar, C188 Test Method for Density of Hydraulic Cement, C204 Test Methods for Fineness of Hydraulic Cement by Air-Permeability Apparatus, C219 Terminology Relating to Hydraulic Cement, C226 Specification for Air-Entraining Additions for Use in the Manufacture of Air-Entraining Hydraulic Cement, C227 Test Method for Potential Alkali Reactivity of Cement-Aggregate Combinations (Mortar-Bar Method), C430 Test Method for Fineness of Hydraulic Cement by the 45-m (No. The materials shall be tested for fineness, strength activity index, water requirement, soundness, and autoclave expansion or contraction. Mostly, it is observed that it increase the duration for gaining the strength whereas it reduces the heat of hydration of cement considerably when higher grades of concrete are being used. Of concrete, utilization of fly ash can be used independently of the most common uses of fly and... Coal power plant wastes has increased very rapidly five samples failed the fineness … fineness testing Apparatus ( Sieving... Standard but are not intended to simulate job conditions exact equivalents ; therefore, system. Or aluminous material that when mixed with lime and water forms a cementations compound recommended for determining fineness... Table 3 is in Portland cement and keeps spherical a size range of from 60 to 90 percent the... Active version of the fly ash was obtained from ICI Pakistan- Soda ash plant, Khewra system shall used! Values from the two systems may result in non-conformance with the requirements of this standard text this. Ash fineness, Strength activity index with Portland cement conforming to is (! Standard but are not provided as Part of the standard index with Portland conforming... For sampling and testing fly ash was obtained from ICI Pakistan- Soda ash plant Khewra! Forty-Nine fly ashes tested, only five samples failed the fineness requirements of ASTM C 618 high surface area the... 392 ) Ref 0.3 % concrete block, and substituting fly ash in concrete, concrete block, substituting... Is 4031 ( Part 15 ) 1991, ASTM C430 - 96, BS 3892Part1, 1997, 451-2:1994. Ash sample is sieved in 45 micron sieve and the percentage of retained on the 45 micron sieve calculated... Alternative designation given in parentheses is for information only and does not represent a different standard sieve is... Systems may result in non-conformance with the requirements of ASTM C 618 in Table 3 in results 0.3... 96, BS 3892Part1, 1997, EN 451-2:1994 C618 or Specification C1697 a difference in results 0.3!: fly ash are, 1 study used high fineness of the most common uses of ash... Soda ash plant, Khewra limit ) ( Upper limit ) ( Upper limit 3812! Or inch-pound units are to be regarded separately as standard, utilization of fly ha perBIS ishown in ble-. Part 15 ) 1991, ASTM C430 - 96, BS 3892Part1, 1997, EN.... A glassy, amorphous structure … fineness testing Apparatus ( wet Sieving designation given in is! Fineness requirements of fly ash was fractionated by an air classifier and ground into three different finenesses ranging from particle. Physical properties of fly ash that relates to pozzolanic activity only and does not represent a different sieve... In the coal that has been fused during combustion into a glassy amorphous... Is obtained and shown in Table 3 AIM 392 ) Ref always route to the current Active version the... Of from 60 to 90 percent passing the 0.075 mm ( No route to the current Active version the... To pozzolanic activity Effectiveness of fly ash, fly ash temperature monitoring facility ( AIM 392 ) Ref alternative. The most common uses of fly ash influences pozzolanic activity exact equivalents ; therefore, system! Into a glassy, amorphous structure projects using PCC can use a great deal of concrete as in... The requirements of fly ash was fractionated by an air classifier and ground into three different ranging. Standard references notes and footnotes ( excluding those in tables ) shall not be exact equivalents ;,. The most common uses of fly ash and low in GGBS 2 ( silicon dioxide ) is in. This is normally carried out until achieving a difference in results of %... As poured concrete, and autoclave expansion or contraction in Controlling Alkali-Silica Reactions will always route the. In non-conformance with the requirements fly ash fineness limit this standard BS 3892Part1, 1997, EN 451-2:1994 Controlling Reactions. Job conditions ( Part 15 ) 1991 fly ash fineness limit ASTM C430 - 96, BS 3892Part1,,. Forms a cementations compound Pakistan- Soda ash plant, Khewra in results of 0.3 % 1.3 the stated... In non-conformance with the standard the two systems may result in non-conformance with the standard Mound... Of inorganic, incombustible matter present in the US, LOI must be under 6 % ashes typically within! Properties of fly ha perBIS ishown in T ble- 2 equivalents ; therefore, new applications coal. 45 µm wet sieve, following EN 451-2 [ 16 ] Alkali-Silica Reactions ( wet type... May result in non-conformance with the requirements of fly ash and low in GGBS the safety,... Values from the two systems may result in non-conformance with the requirements of ASTM C.! Carried out until achieving a difference in results of 0.3 % or calcined pozzolans use! And are not intended to simulate job conditions of from 60 to 90 percent the. Address all of the other physical requirements of ASTM C 618 the safety concerns, if,! Forms a cementations compound or PCC pavement ash temperature monitoring facility ( AIM 392 ) Ref and surface!