The aggregates are broadly classified into two types based on the size, namely- fine aggregate and coarse aggregate. Before selecting a material code for aggregate submitted for coarse aggregate for concrete, the inspector should refer to the QLIS Source report located in the Materials – Aggregate folder of Cognos 8. Table 4 lists the deleterious substances in aggregates and their effects on concrete. Physical Properties of Aggregates 42 Aggregate Source Properties • Toughness – AASHTO T96 (LA abrasion) • Soundness – AASHTO T104 (Na or Mg sulfate soundness) • Deleterious materials – AASHTO T112 (clay lumps and friable particles) • Others selected by agency > Used in Mix Design or for Acceptance Control Deleterious materials mean aggregate properties that can cause of effect on the strength and durability of the concrete. Impurities in Aggregates (soft particles, chert, clay lumps and coal, lignite, or other lightweight materials) are change the setting times and rates of hardening of concrete. Motor sand is the material formed naturally or obtained by crushing or maybe conglomerate sand. Illinois Test Procedure 204 Deleterious Particles in Fine Aggregate 69 Illinois Test Procedure 205 Insoluble Residue and Magnesium Oxide In Coarse ... sample; retain remaining material for Section 10.1. 35 terms. Aggregate specifications for Kentucky are listed below: Standard specifications for fine aggregates: 1. Material Contamination Indicator and Separator. An infeed opening is provided for the input of the aggregate material into the chamber lower zone. aggregates to 3/8 in. The cementitious materials are composed of various proportions of hydraulic cement, pozzolans and … RR-141 - The Properties of Chert Aggregate in Relation to Their Deleterious Effect in Concrete RR-172 - Usage of Pavement Marking Materials by Government Agencies in the United States in 1965 RR-173 - Proposed Field Experiment for Application of Quality Control to Sampling for Gradation Analysis of 22A Aggregate There should be no deleterious substances at all. 5 coarse aggregate 110 lb No. concrete aggregate that is composed of less than 15% recycled concrete, as measured by weight. APPROVED MATERIALS LIST AGGREGATE SOURCES MATERIAL SPECIFICATION REFERENCE: ... resubmit the source for PCC code approval after a 6 month waiting period. 4 sieve and retained on the No. CM 3502. 0.2.1 The requirements for aggregates for mass concrete have been included and it is proposed to withdraw IS: 515-1959*when this standard is printed. Community Guidelines. Aggregate properties significantly affect the workability of plastic The combined amount of deleterious material shall not exceed a total of 1% by mass. Performing Organization Report No. Many, but not all, situations the technician encounters will be covered. 9 coarse aggregate 35 lb 600 Structures and Concrete 12. This could be for a variety of reasons including: susceptibility to change/deterioration. All concrete aggregate shall not exceed .75 inches in diameter, with no more th an 1% deleterious material. and 1/2 in. 106.3.2.71.6.1 Coarse Aggregate for Portland Cement Concrete For coarse aggregate for portland cement concrete ( Sec 1005 ), the following definitions apply: Method of Deleterious material test of aggregate by routine examination. Use of recycled fine aggregates in concrete is prohibited, Use of recycled coarse aggregates from salt contaminated concrete pavements is prohibited, Thoroughly cleaned and washed before use, Contain no deleterious materials, Meet the requirements of the California Building Code and its referenced Deleterious materials in coarse aggregates for other pavements Grading of fine aggregate Deleterious substances in fine aggregate Surface smoothness -airfield and heliport pavements Selected characteristics of fiber-reinforced airfield pavements Interim suggested maximum joint spacing for steel-fiber-reinforced concrete 57). Advance Testing’s services are available 24 hours a day, 7 days a week, 365 days a year. Aggregate is granular material such as sand, gravel, crushed stone, blast-furnace slag, and lightweight aggregates that usually occupies approxi-mately 60 to 75% of the volume of concrete. Uniformity of free moisture in aggregate is essential for proper control of concrete consistency. DETERMINING DELETERIOUS MATERIAL AND DECANTATION TEST FOR COARSE AGGREGATES (BITUMINOUS MIXTURES) TXDOT DESIGNATION: TEX-217-F MATERIALS AND TESTS DIVISION 2 – 8 EFFECTIVE DATE: JULY 2019 3.6 Pans, scoops, trowels, and other normal laboratory supplies and equipment. 4 4 4 f > g> Apparatus - The apparatus shall consist of the following: Balance -A balance or scale of capacity not less than 3 kg, readable and accurate to O-5 g and of such a type and shape as operations is desirable to assure satisfactory control of the aggregate grading and contamination by foreign material. the aggregate serves as reinforcement to add strength to the overall … There are very specific “recipes” for mixing and choice of aggregates in cement concrete. IS Code for Estimation of Organic Impurities in Aggregates:- IS: 2386 Part-2 (1963); Estimation of deleterious materials and organic impurities in aggregate. When not specified, provide 1 inch maximum size (ASTM C33, Size No. It can be used to identify the aggregate source or sources of a stockpile of unknown material(s). by mass of glass and ceramic material. Aggregates suspected of deleterious properties will be analyzed by physical, chemical, and petrographic properties. Type B aggregate shall be screened and the oversize materials … Part I Particle Size and Shape Part 11 Estimation of Deleterious Materials and Organic Impurities Part III Specific Gravity, Density, Voids Absorption and Bulking Part -IV Mechanical Properties Part V Soundness The tests for determining the quality of bonds is difficult and uneconomic. The total amount of deleterious materials in aggregate should not exceed 5% as per IS 383-1970. 9.20.3.1. 400 Asphalt Pavements 12. Appendices. Coarse Aggregate Washed Crushed stone or gravel AASHTO M80 except deleterious materials, Table 803.2.2-1 AASHTO T 96 40 Sodium Sulfate Loss 12% Gradation; Table 803.2.2-2 and Table 803.2.2-3 When specified on the plans, provide aggregate that meets one of the requirements in Table 803.6.2-1 Honor Code. free of bricks, steel, wood, and all other deleterious materials. Performing Organization Code 7. -coarse aggregates angularity -fine aggregate angularity -flat, elongated particles-clay content. Deleterious materials may cause one of the following effects. However, the standards are silent on the effects of the deleterious material, if … Construction Aggregate Manual [PDF-1.56MB] Excel Spreadsheets for Test Frequencies . Aggregates susceptible to ACR tend to have a characteristic texture that can be identified by petrographers. 1029.06 Calculations - General. These are considered undesirable constituents. About. 500 PCC Pavement and Non-Structural Concrete Construction 12. PROCEDURE 8.1 Fill a glass bottle to approximately 4 ½fl.oz (133.1mL) level with the sample of … For the same mix design, the recycled aggregate concrete produces almost similar strength compared with the virgin first class brick aggregate concrete commonly used in Bangladesh. 3)Lime used in mortar shall be hydrated. Each source of aggregate must be qualified for use by the Engineer as indicated in 1.06.01. Granular A and Granular M containing RAP with steel slag aggregates shall be acceptable for unpaved gravel shoulders only. Types 1, 3, and 4. Deleterious material (sand equivalency test) - identify amount of clay in fine aggregate. Deleterious Substances: Deleterious substances such as shale and clay balls (in material retained on the 1/2 inch sieve) shall not exceed 7 percent by weight. sales@advancetesting.com. Aggregates must be relatively clean when used in HMA or PCC. CIVIL QUALITY CONTROL LAB: DELETERIOUS CONTENT OF AGGREGATES. ( IS : 2386 – PART – 2 ) DELETERIOUS CONTENT OF AGGREGATES. ( IS : 2386 – PART – 2 ) DELETERIOUS CONTENT OF AGGREGATES. We’re at the frontline of the construction and infrastructure industries, producing and supplying an array of construction materials. TABLE-3 PROPERTIES OF FINE AGGREGATE, COURSE AGGREGATE Property Fine Aggregate down Coarse Aggregate 20 mm 10 mm down Fineness modulus 3.35 7.54 3.19 Specific Gravity 2.38 2.76 2.69 Bulk Density (gm/cc) 1753 1741 1711 Water absorption (%) 1.20 1.83 1.35 PROPERTY IS CODE IS : 8112 - 1989 DETERMINATION OF DELETERIOUS MATERIALS IN COARSE AGGREGATES (SOFT PARTICLES) This method of aggregate testing covers the process of determination of soft particles ( Deleterious materials) in coarse aggregate on the basis of scratch hardness. PROCEDURE 4.1 Obtain a representative sample of aggregate … In fact, Indian and International codes [3,4] permit certain limiting amount of deleterious material being present in concrete, and still it can be acceptable. aggregates to 1/2 in. Aggregate Properties • Consensus Properties - required –coarse aggregate angularity (CAA) –fine aggregate angularity (FAA) –flat, elongated particles –clay content • Source Properties - agency option –toughness –soundness –deleterious materials Manual. aggregates with Notwithstanding the foregoing, the provisions of this subdivision (a) shall not apply to any concrete mixes intended to be used in structures 7:00am – 5:00pm. 4 sieve for sizes nine and eleven. Deleterious materials mean aggregate properties that can cause of effect on the strength and durability of the concrete. 200 Earthwork 12. IS Code for Determination of Soft Particles in Coarse Aggregates :-. deleterious materials and oversize particles. Detecting Deleterious Fine Particles in Concrete Aggregates and Defining Their Impact m a r g o r P h c r a e s e R y a w h g i H n i s n o c s i W WHRP 10-13 Steven Cramer, Ph.D, Marc Anderson, Ph.D. Table 4: Harmful Material in Aggregate deleterious Substances Effect on Portland cement concrete Organic impurities May delay setting and hardening of concrete, may reduce strength gain, and … the results of the AMBT test pass aggregates that failed subsequent CPT testing. It is recommended that ACR susceptible aggregates not be used in concrete. To avoid post-placement problems in concrete that are difficult to rectify, verify that these limits are not exceeded at the time of material submittals. Kind Code: A1 . NOTE: The maximum quantity of deleterious materials should not be more than 5% of the weight of the aggregate when determined in accordance with IS: 2386(I). Colorimetric test recommended by ASTM C 40-92can be used to determine aggregate organic content. S.N Deleterious substance Uncrus- hed Crus- hed Uncrus- hed Crush-ed i) Coal and lignite 1.00 1.00 1.00 1.00 5. deleterious materials being inadvertently mixed in concrete. 16 sieve and test in accordance with ASTM C 142. Coarse Aggr. Another set may extend from 2 1/2 in. eight par~ of InQian Standard Methods of Test for Aggregates for Concrete (1S : 2386-1963). Appendix 01 (5 Percent) XLSM-31KB. Unlike alkali carbonate reaction, the use of supplementary cementing materials does not prevent deleterious expansion due to ACR. All aggregate passing the No. Aggregates for concrete, if containing deleterious substances, may affect strength, workability and long term performance of concrete in the long term. For example, the sizes in a set may extend from 1 1/2 in. 6.5 Combine the mass of Line “B 1 ” “Deleterious Material” with Line “C” “Other Aggregate” for each fraction and enter on line “D” “Total Mass”. In about 16% of the cases the AMBT failed aggregate that passed subsequent CPT testing—cases in which the AMBT is over-conservative. A: ASTM C33, Concrete Aggregates, is the standard that governs aggregate for concrete, which is what is causing your problem. 2) Coarse aggregate: Allow the dried sample of coarse aggregate to cool to room temperature and sieve over a 4.75 mm IS sieve. Kind Code: A1 . Here are the IS codes which cater to the need of civil engineering relating to Cement and Concrete. 1029.05 Deleterious Shale. Is:2386(PartIll)-1963 2.2 Method I - Aggregate Larger than 10 mm 2.2.1 4 b! Determination of Deleterious Materials This method of test describes the procedure for determining the percentages, by weight, of deleterious materials in aggregate. aggregates and include sizes of 1 in., 3/4 in. Soil 260 lab quiz #2. Deleterious Materials In Aggregate The materials whose presence in aggregates may adversely affect the strength, workability & long-term performance of concrete are termed as deleterious materials. In subsequent years, materials deleterious to Portland cement concrete will be examined. Furnish materials consisting of approved Blast Furnace Slag or of Stone which is the product of crushing ledge rock, or a blend of Blast Furnace Slag and of Stone. Aggregates. A period of free-draining storage is required for fine aggregates and the smaller size of coarse aggregate. As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any size-reduction requirements including, Deleterious materials in aggregate lignite and coal, quarry, aggregate, and different kinds of minerals. Bowever, it.ball be ensured that DO tine. OFFICE HOURS. Cleanliness and Deleterious Materials. The maximum quantity of deleterious materials in the coarse and fine aggregates (crushed or natural) should not exceed the limits as specified in the table— Fine Aggr. Deleterious Materials in Natural Sand Crushed Particles Flat and Elongated Particles Clay Content Fine Aggregate Angularity Plastic Limit ... MATERIAL SAMPLE SIZE No. In this article, we discuss the properties of the standard aggregates used in the production of concrete as per the American Standards (ASTM- C33/C33M). They are undesirable due to their weakness, softness and fineness or any other physical or chemical characteristics harmful to properties of concrete. Aggregates should not contain any harmful material in such a quantity so as to affect the strength and durability of the concrete. Deleterious Material - Aggregate shall not contain any harmful material such as pyrites, coal, lignite, mica, shale or similar laminated material, clay, alkali, soft fragments, sea shell and organic impurities in such quantity as to affect the strength and durability of concrete. About Aggregate Industries. 3. The allowable percentage of deleterious substances for both fine and coarse aggregate are listed in ASTM C 33 Tables 1 and 3, respectively. The bulk specific gravity on chert shall be based on the saturated surface dry condition. Report 476660-00027-1 9. 60 terms. 4. 40 Furnish materials consisting of approved Blast Furnace Slag, Stone, Sand, and Gravel, or blends of these materials with not more than 30 percent by weight of glass. IS 2386(2) – 1963 : Methods of test for aggregates for concrete, Part 2: Estimation of deleterious materials and organic impurities CLICK HERE IS 2386(3) – 1963 : Methods of test for aggregates for concrete, Part 3: Specific gravity, density, voids, absorption and bulking CLICK HERE Typical deleterious materials in aggregates that affect Portland cement concrete are described below: • Organic impurities: These impurities delay the settling time of concrete. File Type-Size. (h) Deleterious Material: The quantity of deleterious materials present in stockpiles of Crushed Hydraulic Cement Concrete, to be used in blending with virgin aggregates or as 100 percent CHCC, shall not exceed the following values: 5.1 The significance of the number of scratches as far as correlation with field performance is concerned has not been established. Precautions while using coarse aggregate The following precautions should be taken while using coarse aggregate in … 75 terms. The quality of Type B aggregate shall be the same as the quality requirements for Type A aggregate with the following exceptions: The Sodium Sulfate Soundness shall not exceed 20. EMAIL. Vegetation, soft particles, clay lumps, excess dust and vegetable matter are not desirable because they generally affect performance by quickly degrading, which causes a loss of structural support and/or prevents binder-aggregate bonding. Performing Organization Name and Address Texas Transportation Institute Texas A&M University System This method of test covers the procedure to be used for the determination of the proportion of deleterious materials (e.g., shale, shaly material, chert, limonitic concretions, soft pieces, clay lumps, or coal) in a sample of aggregate. 5.2 Deleterious lVlaterials Aggregate shall not contain any harmful material, such as pyrites, coal, lignite, mica, shale or similar laminated material, clay, alkali, free lime, soft fragments, sea shells Teachers. Deleterious materials (also known as prohibited materials) are materials that are prohibited for use in a project. 2. aggregate properties (source) toughness soundness deleterious materials. Deleterious materials in aggregate lignite and coal Products. Such harmful materials are called deleterious materials. stone dust, carbonate, or any other deleterious material. ... 1001.5.3 Percent Deleterious Substances in Coarse Aggregate. 1b provide data for 3 labs using 39 aggregates in 142 materials combinations for 2 Figure 1. The amount of chert (less than 2.45 bulk specific gravity) shall be determined on the total weight of material retained on the three-eighths inch sieve for sizes one through eight inclusive, 53, 58B, 73, and 73B, and on the total weight of material retained on the No. As far as possible, scoriaceous, flaky and elongated pieces should be avoided. 2 coarse aggregate 220 lb No. options (models) were open to MoDOT for consideration for each type of deleterious material (Total Deleterious Material, Total Deleterious Material Plus Hard Chert, Deleterious Rock Plus Soft Chert, and Shale). AGGREGATES: MODELING TO ENABLE SUSTAINABLE MATERIAL DESIGN 5. the at&Dd&r4 801utioD d••crlbe4 in 6.2.2 ot rS:2386(P&rt 11)..1963 'Methods of telt tor agreptea tar coacrete : Part II Eatl..tloD ot deleterious materials &Del organic lmpurltiea'. Impurities in Aggregates (soft particles, chert, clay lumps and coal, lignite, or other lightweight materials) are change the setting times and rates of hardening of concrete. aggregate material Range refers to the size limits of an aggregate set and to the number of sizes in that set. The maximum quantity of deleterious materials in the coarse and fine aggregates (crushed or natural) should not exceed the limits as specified in the table— The presence of mica should be investigated in fine aggregate and should also make suitable allowances for the possible reduction in the strength of concrete or mortar. The Elongation index of an aggregate is the percentage by weight of particles whose greatest dimension (length) is greater than nine-fifths (1.8times or 9/5 times) their mean dimension. Aggregates must not have expansive or reactive properties. Report Date April 2012 6. 4.3 Obtain a sample of approximately 3000 g from the material retained on the 4.75 mm Some projects might require even more-stringent limits. Abstract: A durability cell for liberating deleterious material from an aggregate material includes a body defining a chamber having a lower zone and an upper zone. Spec Year : 2012 ‎ (12) 100 General Provisions 12. Material from a qualified source is still subject to Project-level testing and may be subject to rejection as indicated in 1.06.04. 700 Drainage, Traffic, and Roadside Construction 12. Conglomerate sand is the material formed naturally and processed without crushing and may include natural crushed material to some extent. IS 2386(2) – 1963 : Methods of test for aggregates for concrete, Part 2: Estimation of deleterious materials and organic impurities CLICK HERE IS 2386(3) – 1963 : Methods of test for aggregates for concrete, Part 3: Specific gravity, density, voids, absorption and bulking CLICK HERE For instance, deleterious particles (Figure 2) are often lighter than aggregate particles and therefore, a large amount of deleterious material in an aggregate sample may result in an abnormally low specific gravity. Most research aggregates will be characterized by the Aggregate Image Measurement System for shape, angularity, and texture. Deleterious materials in aggregates shall not exceed the limits specified in ASTM C33 /C33M. The vaahed aDd r1Dsed aggrepte ahall be ehecked with a lu1table indicator Iuch .. phenolphtbaleiD or l1t.u. Construction Aggregate Manual. My Notes S ECTION 1 Introduction to Materials in Construction I. R ELATED D EFINITION Aggregate A granular material, such as sand, gravel, crushed stone and iron-blast furnace slag, and when used with a cementing medium forms a hydraulic cement concrete or mortar. 0.3 The limiting values for the permissible deleterious materials in the aggregates, aggregate abrasion value and soundness test for aggregates Step 1 of 3. it may be -sand, gravel, crushed stone, slag, recycled concrete and geosynthetic aggregates . Specific gravity can also indicate possible material contamination. Test Standard : … These substances or materials are normally referred to as deleterious materials. Total of Percentages of all deleterious material shall not exceed Abstract: A durability cell for liberating deleterious material from an aggregate material includes a body defining a chamber having a lower zone and an upper zone. 300 Aggregate Base Courses 12. Deleterious Materials. are lOlt vIlile va.hiDS vith aodiwa h)rdroxide. Test Standard : IS 2386-Part 2: 1963. G.1.3.2 SAND TEXTURE Sand for BSM should be analyzed by a qualified lab using #200, #100, #40, #30, #16, #8, #4, and 3/8-inch sieves (ASTM D 422 or as approved by municipality) and meet the following gradation: 200 sieve size should be non-plastic. Method of Deleterious material test of aggregate by routine examination. Deleterious materials mean aggregate properties that can cause of effect on the strength and durability of the concrete. Deval loss, and specific gravity, as well as to identify the presence of deleterious materials, such as reactive chert, ASR and ACR, and D-cracking susceptible aggregate. Deleterious substances in fine aggregate per ASTM C33/C33M, Table 2. ODOT Supplement 1029, Method of Test for Determining the Percentage of Deleterious Materials in Course Aggregate. 845.496.1600. ... Affinity for asphalt. 1029.01 Scope. The harmful material in any construction is called Deleterious material. 6.4 Total the mass of all deleterious rock types for each fraction and enter on line “B 1 and B 2 ”, “Deleterious Materials”. Aggregates reclaimed from pavements or structures may only % by weight Max. IS : 2316( Part II)-1963 Indian Standard METHODS OF TEST FOR AGGREGATES FOR CONCRETE PART II ESTIMATION OF DELETERIOUS MATERIALS AND ORGANIC IMPURITIES o. FOREWORD 0.1 This Indian Standard (Part II) was adopted by the Indian Stan­ dards Institution on 22 August 1963, after the draft finalized by the Cement and Concrete Sectional Committee had been approved by the … DETERMINING DELETERIOUS MATERIAL IN MINERAL AGGREGATE TXDOT DESIGNATION: TEX-413-A CONSTRUCTION DIVISION 2 – 2 LAST REVIEWED: SEPTEMBER 2014 fine aggregate, keep the material passing the No. 1029.07 Deleterious Chert. for aggregate materials as standardized by the Michigan Department of Transportation (MDOT). It shows that the presentence of organic materials excess of a limit in aggregates may be harmful. YOU MIGHT ALSO LIKE... 34 terms. Before selecting a material code for aggregate submitted for coarse aggregate for concrete, the inspector should refer to the QLIS Source report located in the Materials – Aggregate folder of Cognos 8. Adherence to the procedures contained herein will ensure that tests performed by numerous individuals on the same lot of aggregate materials will be in substantial agreement. Based on this investigation, it is revealed that recycled brick aggregate can be used as coarse aggregate for making concrete of strength 20.7 to 31.0 MPa. scope: This guide provides guidance on how to address the potential for deleterious alkali aggregate reaction (AAR) in concrete construction. deleterious materials in aggregates 1. deleterious materials in aggregates by geet 2. introduction we all know that "aggregate", is material mainly used in construction. DETERMINATION OF DELETERIOUS MATERIALS IN COARSE AGGREGATES (SOFT PARTICLES) This method of aggregate testing covers the process of determination of soft particles ( Deleterious materials) in coarse aggregate on the basis of scratch hardness. 1. Production of aggregate is expected to reach 2.5 billion tons by 2020, which raises concerns about where the new aggregate will come from. 800 Materials 12. Deleterious materials may consist of wood, clay lumps, friable particles, coal and lignite, flat or … As an alternate to the regression models, a threshold-limits method was presented. Honor Code. affects the bond between asphalt binder and aggregate. and other deleterious substances as well as adherent coating. Similarly, angular aggregates have a more specific area for greater bonding and better interlocking properties. 4 steps of superpose mix design. The definition of deleterious material varies with the intended use and the anticipated affect on the final product. aggregates are the most mined materials in the world. In contrast, Table 2 and Fig. 1.1 This test method permits detection within 16 days of the potential for deleterious alkali-silica reaction of combinations of cementitious materials and aggregate in mortar bars. ... 1001.5.3 Percent Deleterious Substances in Coarse Aggregate. Coarse Aggregate: ASTM C33/C33M, clean and uniformly graded from 3/8 inch to maximum size indicated or specified. 8 coarse aggregate 55 lb No. State Materials Office Materials / Documents and Publications / Construction Aggregate Manual. IS: 2386 (Part-2) 1963, Method of estimation of deleterious materials and organic impurities. With over 200 sites and around 3700 dedicated employees, we’re home to everything from aggregates, asphalt, ready-mixed concrete and precast concrete products. List of IS Codes for Cement and Concrete. APPROVED MATERIALS LIST AGGREGATE SOURCES MATERIAL SPECIFICATION REFERENCE: ... resubmit the source for PCC code approval after a 6 month waiting period. All coarse aggregates shall meet the requirements for these materials as outlined in Tables 703-2, APhysical Requirements (Testing),@ 703-3, APhysical Requirements (Deleterious Materials),@ and 703-4, ASize of Stone, Gravel and Slag. Author(s) Syeda Rahman and Zachary Grasley 8. An infeed opening is provided for the input of the aggregate material into the chamber lower zone. A particle which is abrasive to plastic will not necessarily be abrasive to steel or other bearing materials.

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