IS 9103 (1999): Specification for Concrete Admixtures

is 9103 : 1999 indian standard c-oncrete admixtures - specification ( first revision ) ics 91.100.30 q bis 1999 bureau of indian standards manak bhavan, 9 bahadur shahzafarmarg

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(PDF) Analyzing the Relationship between Chemical and ...

of concrete if it is more important to use a special type The most important degradative manifestations include of cement (type V. sulfate-resisting concrete) or just to extensive cracking, expansion, and loss of bond between deal with w/c ratio (low w/c ratio could ensure higher the cement paste and aggregate.

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METHOD OF TESTING SOILS AND WATERS FOR SULFATE …

This method describes test procedures for determination of the Sulfate content of soils and waters. These results are used in determining the corrosive nature of the environment for concrete structures, as well as for other purposes. This test method is divided into the following parts: 1. Sulfate content of waters 2. Sulfate content of Soils 3.

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

Clause 6.2.5.3 of BS 8110 Part-1: 1995, Structural use of concrete had a limit of 4% by mass of cement based on the total acid soluble content of the concrete mix, expressed as SO3. This ...

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Accelerated Test for Measuring Sulfate Resistance of ...

(7, 8) To repair or avoid sulfate attack on concrete slabs on grade, Robinson recommends Type V cement (highly sulfate-resistant cement), vapor barrier, 0.65 m of a gravel base, and adequate drainage to remove water from under the concrete slab. (6) This report presents the results from the accelerated sulfate testing of cements submitted

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IS 6925 (1973): Specification for Methods of Test for ...

with the methods of test for determination of water content in concrete admixtures. 0.3 In reporting the result of a test or analysis made in this standard, if the final value, observed or calculated, off, it shall be done in accordance with IS :2-1960t. -,' 1. SCOPE soluble chlorid: accordance with

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An accelerated sulfate resistance test for concrete ...

The sulfate resistance of concrete was tested using drying-immersion cycles of varying duration in different sulfate solutions. The measured expansion in the different protocols showed a correlation to the sulfate profiles in the test specimens determined by EDX. Based on the magnitude of expansion and the test duration, a suitable protocol for testing job-site concrete was identified. A ...

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What are Different Chemical Tests on Concrete Structures?

🕑 Reading time: 1 minuteChemical analysis of concrete can provide extremely useful information regarding the causes of failure of concrete. The tests most frequently carried out chemical tests on concrete structures are: Depth of carbonation Chloride content Cement content Sulphate content Type of cement Alkali content Carbonation Test on Concrete Structures This test is carried […]

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chloride and sulphate content test of aggregate

The chemical concrete tests most frequently carried out are Chloride Test, Cement Content Test, Concrete Carbonation Test, Sulphate Test, Type of Cement Test and the Alkali Test. astm sulphate content of sand - silesiatrans.cz. · chloride and sulphate content test of aggregate.

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(PDF) An accelerated sulfate resistance test for concrete

Andreas Leemann. Roman Loser. The sulfate resistance of concrete was tested with an accelerated method using drying-immersion cycles in Na 2 SO 4 solution. The measured expansion corresponds with ...

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Sulfate Attack - an overview | ScienceDirect Topics

Sulfate attack is another possible deterioration mechanism of concrete. It can have endogenous origin (developing without any contribution from the environment) or exogenous origins (such as sulfates contained in the soils or in liquids) (Germain, 2008; Neville, 2004).In both cases, the consequence is some volume expansion owing to the delayed formation of ettringite, which is an expansive ...

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Sodium Sulphate Effect on Cement Produced with Building ...

When the SEM microstructures of the waste MP blended cement mortar samples that have been exposed to very severe sodium sulphate solution (13500 mg/L) for 90 days are examined, it can be seen that the samples with 10% waste MP content exhibited a relatively more compact structure and smaller cracks (Figure 5 (a) ).

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Sulphate Content Testing - Constructive Evaluation Ltd

Sulphate Content Testing. Sulphate attack is a chemical break down where sulphate ion attacks components of cement paste. Sodium Sulphate attacks calcium hydroxide and forms gypsum that becomes more than double the volume. Sulphate content testing performed in a laboratory can be used to assess sulphate content of samples retrieved from site.

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DETERMINING SULFATE CONTENT IN SOILS — …

DETERMINING SULFATE CONTENT IN SOILS — COLORIMETRIC METHOD TXDOT DESIGNATION: TEX-145-E CONSTRUCTION DIVISION 2 – 7 EFFECTIVE DATE: FEBRUARY 2005 3.7 Mortar and pestle. 3.8 Crusher. 3.9 Oven, capable of maintaining a temperature of 60 ± 5°C (140 ± 9°F). 3.10 Beakers (glass or plastic), 250 mL. 3.11 Beakers (glass or plastic), 600 mL. 3.12 Graduated cylinder …

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Sulphate Floor Testing | Blythe Building Consultants

Sulphate Floor Testing. The problem of sulphate affected floors is caused by the use of industrial waste materials used as hardcore infill under concrete floors in domestic properties built between 1940s and 1972. The material is classified in 4 main types – Red Ash (Shale), Black Ash, Slag and Grey Fly Ash although other industrial materials ...

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Concrete Testing - Sulphate Testing

Concrete Testing - Sulphate Testing. Sulphate (sulfate) attacks the concrete which can lead to concrete cancer, cracking and reinforcement corrosion. The level at which this can occur is dependent on many factors such as the environment, cycles of wetting and drying, cement content and type, water to cement ratio, porosity, etc.

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SOUNDNESS TEST OF CEMENT

content or calcium sulphate content may cause unsoundness in cement. Soundness of cement may be determined by two methods, namely Le-Chatelier method and autoclave method. In the soundness test a specimen of hardened cement paste is boiled for a fixed time so that any tendency to expand is speeded up and can be detected.

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ASTM C452 - 21 Standard Test Method for Potential ...

5.1 This test method is used primarily by those interested in research on methods for determining the potential sulfate resistance of portland cement. This test method is also used to establish that a sulfate-resisting portland cement meets the performance requirements of Specification C150/C150M.

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Sulfate in concrete

Sulfate in concrete Excessive amounts of mobile sulfate, derived from aggregates or other constituents in concrete, can cause disruption due to expansion. BS 8110 part 1 Structural use of concrete, 1985, had a limit of 4% by mass of cement based on the total acid soluble sulfate method expressed as SO 3 (clauses 6.2.5.3).

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Effect of Chloride and Sulfate Contamination in Soils on ...

one blast furnace lag cement containing 60 percent granu­ lated blast furnace slag, wa u. ed. A and-to-cement ratio of 2. 75 was used for mortar specimens, whereas a cement content of 350 kg/m3 wa used in the reinforced concrete . pecimen used for evaluation of . teel c rro ion. The coar e aggregat

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Sulphate Resisting Cement - Boral

appropriate grade of concrete selected. Sulphate Resisting Cement can also be used in mass concrete where reduced heat liberation is required. As with Portland cements, the resistance to acid solutions is limited, but concrete life expectancy will be maximised by using Sulphate Resisting Cement at high cement content and low water to cement

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Laboratory and Field Procedures for Measuring the Sulfate ...

SULFATE CONTENT DETERMINATION – LAB TEST BACKGROUND Over the past 20 years, problems with sulfate-induced heave have surfaced around the world. This problem occurs when lime or cement is used to stabilize subgrade soils that bear sulfate/sulfide minerals. (1989Hunter) determined that the cause of heaving is due to the ...

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Specification - Concrete Structures Eurocode - Eurocode ...

BS 4027: Specification for sulfate-resisting Portland cement. BSI, 1996. For more information on Eurocode 2 visit For further questions relating to Eurocode 2 or the design, use and performance of concrete, contact the free National Helpline 0845 812 0000 [email protected].

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Sulfate content of concrete « Nicholls-Colton

Testing can be carried out on concrete dust or lump/core samples, the result being expressed as the percentage sulfate by mass of cement in a sample, industry standards recommending a limit of 4.0% for this value. Testing can be carried out in accordance with BS1881:Part 124:1988 or by ICP methods to an in-house method, both tests being covered ...

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Soundness Test of Cement | Le chatelier's mould appartus ...

How to prevent unsoundness in cement:-Gypsum is added in cement while production to control the rate of hydration in cement. The quantity of gypsum added will vary from 3 to 5 percent depending upon C 3 A content. If the addition of gypsum is more than that could be combined with C 3 A, an excess of gypsum will remain in the cement in free state. This excess of gypsum leads to an …

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Sulphate Content | Controls Group

Sulphate test strip, detection range 200 to 1600 mg/l. Useful for preliminary assessment of sulphate ions in aqueous solutions. Weight approx.: 10 g. Laboratory method - Ion exchange apparatus (BS 1377:3) Used for determining the sulphate content of ground water and aqueous soil extracts. It consists of a ion exchange column 400 mm long and 10 ...

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Effect of sulphate ions in mixing water on cement mortar ...

Sulphate ion content in test waters varied significantly from different water sources .Sewage and swampy water had the highest sulphate concentrations in comparison to other test waters. ASTM C 1602/ C 1602M-12 requires that a suitable mixing water for concrete should have sulphate ion concentration of ≤ 250 ppm [13].

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Sulfate attack in concrete - understanding-cement.com

Sulfate attack in concrete and mortar. Sulfate attack can be 'external' or 'internal'. External: due to penetration of sulfates in solution, in groundwater for example, into the concrete from outside. Internal: due to a soluble source being incorporated into the concrete at the time of mixing, gypsum in the aggregate, for example. External sulfate attack ...

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Concrete Chloride Testing - Structural Guide

The testing of the chloride content of reinforced concrete is done as stipulated in BS1881. When the structures are retrofitted, this issue is the rise and the requirement of the testing of chloride becomes a must with the exposure condition that the structure is located. Based on the content of the chloride some assessments can be made as to ...

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Standard Test Method for Water-Soluble Sulfate in Soil

1. Scope. 1.1 This test method is for the determination of water-soluble sulfate in soils. 1.2 This test method was developed for concentrations of water-soluble sulfate in soils between 0.02 and 3.33 % sulfate by mass. 1.3 This test method does not determine sulfur in any form except as sulfate. 1.4 Some governing bodies regulate the movement ...

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