• Effect of Sulfate in Sand on Some Mechanical Properties of ...

    There was an optimum sulfate content in fine aggregate at which the compressive strength was maximum and it decreases beyond this content (Hussain, 2008).The optimum gypsum content in his research was (0.5% by weight of fine ... of cement. In this study, the percentages of sulfate in concrete ingredients are obtained by adding natural gypsum to ...

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  • (PDF) Effect of aggregates with high gypsum content on the ...

    Most of sulfate salts in fine aggregate are composed of calcium, magnesium, potassium and sodium sulfates. ... and 1 % gypsum fo r ... compared with that of normally cured concrete. The optimum ...

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  • sulphate and chloride contents of concrete aggregates

    sulfate contents in fine aggregate fo concrete Products Video About Ciros sulfate contents in fine aggregate fo concrete Workability: If fine RCM aggregates are used, concrete workability decreases (due to the Limits on chloride and sulfate ASTM C87, Organic .

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  • Sulphate content of fine aggregates - okdgroup.in

    Sulphate content of fine aggregates Products. As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any size-reduction requirements including, Sulphate content of fine aggregates, quarry, aggregate, and different kinds of minerals.

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  • Effect of aggregates with high gypsum content on the ...

    to investigate the optimum content of sulfate in fine ag-gregates which improves properties of concrete and use of aggregate with SO 3 above the specified limits given by the international standards (Haider K. Ammash, 2013) investigated that the optimum gypsum content was 0.5% by weight of fine aggregates for all mixes which in-

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  • Section 7: Concrete Materials - Search

    Coarse and fine aggregates make up 60% to 75% of the volume of the concrete mixtures and can have a strong influence on the fresh and hardened properties of the concrete. Almost any aggregate can be used to produce quality concrete provided the aggregates are durable and clean.

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  • Sulfate Attack and Sulfate Content in Concrete: A ...

    Jan 14, 2017· Internal sulfate attack occurs when a source of sulfate is incorporated in the concrete when mixing like excess gypsum in cement, sulfate in the aggregate…

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  • sulphate and chloride contents of concrete aggregates

    sulfate contents in fine aggregate fo concrete. sulfate contents in fine aggregate fo concrete - drive sulfate contents in fine aggregate fo concrete. sieve is fine aggregate, and The sodium sulfate the minimum mixing time shall be determined by dividing the weight. Get price.

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  • Standard Test Method for Soundness of Aggregates by Use of ...

    1.1 This test method covers the testing of aggregates to estimate their soundness when subjected to weathering action in concrete or other applications. This is accomplished by repeated immersion in saturated solutions of sodium or magnesium sulfate followed by oven drying to partially or completely dehydrate the salt precipitated in permeable pore spaces.

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  • Chloride Content of Fresh Concrete - NZRMCA

    of chloride content sourced from aggregate mixing water and admixtures shall not be greater than the values shown in Table 1. If chloride contents calculated for a particular mix exceed the relevant limit, the materials must be changed or the mix modified to reduce the chloride content1. The chloride content of fresh concrete is

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  • sulfate contents in fine aggregate fo concrete

    Effect of Different Coarse Aggregate Sizes on the Strength ... up to laterite contents, the workability and compressive strength values ... of laterized concrete with laterite-fine aggregate ratio variation decreases ... wetting and drying and increases when subjected to magnesium sulphate (Mg2SO4).

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  • SOUNDNESS OF AGGREGATE USING SODIUM SULFATE OR …

    SOUNDNESS OF AGGREGATE USING SODIUM SULFATE OR MAGNESIUM SULFATE TXDOT DESIGNATION: TEX-411-A CONSTRUCTION DIVISION 6 – 11 EFFECTIVE DATE: OCTOBER 2004 Table 4—Sample Size Fractions Item Sieve Passing Sieve Retained Weight, g Concrete Aggregate 19.0 mm (3/4 in.) 12.5 mm (1/2 in.) 670 10

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  • SiteManager Forms - Texas Department of Transportation

    Decantation Test for Concrete Aggregates: Tx408: Organic Impurities in Fine Aggregate for Concrete: Tx410: Resistance to Degradation by Abrasion and Impact in Los Angeles Machine: Tx411m: Magnesium Sulfate Soundness: Tx411s: Sodium Sulfate Soundness: Tx413: Deleterious Materials: Tx414,6: Determining Air Content of Portland Cement Concrete: Tx417

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  • Sulfate Contents In Fine Aggregate Fo Concrete

    Sulfate contents in fine aggregate fo concrete sulphate content of fine aggregates okdgroupin sulphate content of fine aggregates sulfate content manufactured sands for use as fine aggregate in concrete. Read More; Sulfate sulphate content aggregates washing. Sulfate sulphate content aggregates washing binq dec 17 2012018332sulfate sulphate ...

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  • The Effect of Aggregate Properties on Concrete

    The bulk density measures the volume that the graded aggregate will occupy in concrete, including the solid aggregate particles and the voids between them. Since the weight of the aggregate is dependent on the moisture content of the aggregate, a constant moisture content is required. This is achieved by using OD aggregate.

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  • Inspection & Sampling Procedures for Fine & Coarse …

    Inspection & Sampling Procedures for Fine & Coarse Aggregates . 9/1/13 TABLE OF CONTENTS CHAPTER ONE - TESTING EQUIPMENT ... Clay Content Fine Aggregate Angularity Plastic Limit Surface Moisture Tests ... 210 Class AP Coarse Aggregate for Concrete Pavement and Slab-on-

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  • sulfate sulphate content aggregates washing - BINQ Mining

    Dec 17, 2012· sulfate sulphate content aggregates washing – Grinding Mill China. sulfate contents in fine aggregate fo concrete Aggregate mining and washing stone; Aggregate mining in vietnam … The report lists chloride and sulfate content … »More detailed

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  • SULFATES EFFECT IN FINE AGGREGATE ON SELF COMPACTING ...

    The sulfate content in fine aggregate contains sulfate higher than the acceptable limits in most of the fine aggregate in Middle East countries (Al-Kadhimi and Hamid, 1983). (Al-Ameeri and Issa,2013) results show that the fresh properties such as decreased workability of self-compacting concrete is passively influenced from sulfate, also the ...

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  • sulfate sulphate content aggregates washing - ellul.nl

    sulfate sulphate content aggregates washing BINQ . Dec 17, 2012018332sulfate sulphate content aggregates washing Grinding Mill China. sulfate contents in fine aggregate fo concrete Aggregate mining and washing stone Aggregate mining in vietnam The report lists chloride and sulfate content . …

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  • Reclaimed Concrete Material - User Guideline - Portland ...

    Reclaimed concrete material (RCM) can be used as coarse and/or fine aggregate in Portland cement concrete (PCC) pavements. However, concrete incorporating more than about 10 to 20 percent fine RCM aggregates can suffer a reduction in quality because of the high amount of water required to maintain adequate workability of the concrete mix.

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  • Micro-Deval Test for Evaluating the Quality of Fine ...

    Micro-Deval Test for Evaluating the Quality of Fine Aggregate for Concrete and Asphalt c. A. ROGERS, M. L. BAILEY, AND B. PRICE The sulfate soundness test has been used for many years for evaluating the physical suitability of fine aggregate. This test suf­ fers from poor within-laboratory and multilaboratory precision;

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  • Permissible Levels of Chlorides and Sulfates in Aggregate ...

    Q. We're designing a concrete structure in Egypt, and I received test results for the aggregate to be used in the concrete. The report lists chloride and sulfate content, but I don't know how to evaluate these numbers because ASTM C 33, "Standard Specification for Concrete Aggregates…

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  • BS EN 12620:2013 Aggregates for concrete

    BS EN 12620:2013 Aggregates for concrete. BS EN 12620:2013 specifies the properties of aggregates and filler aggregates obtained by processing natural, manufactured or recycled materials and mixtures of these aggregates for use in concrete in conformity with BS EN 206-1 and concrete used in roads and other pavements and for use in precast concrete products.

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