Technical Committee on Hydraulic Cement and Supplementary Cementing Materials

Transcription

1 Contents Technical Committee on Hydraulic Cement and Supplementary Cementing Materials x Preface xiii A , Cementitious materials for use in concrete 1 Scope 3 2 Reference publications 3 3 Definitions 7 4 Requirements for portland cement, blended hydraulic cement, and portland-limestone cement Types Nomenclature, proportions, and tolerances for components of blended hydraulic cement Nomenclature Proportions Tolerances Proportions and tolerances of portland-limestone cement Proportions Tolerances Chemical requirements for portland cement, blended hydraulic cement, and portland-limestone cement General Limestone addition to portland cement Limestone addition to blended hydraulic cement Limestone addition to portland-limestone cement Cement and clinker requirements for use in blended hydraulic cements Cement and clinker requirements for use in portland-limestone cements Total alkali in portland cement, blended hydraulic cement, and portland-limestone cement Physical requirements for portland cement, blended hydraulic cement, and portland-limestone cement Processing additions for portland cement, blended hydraulic cement, and portland-limestone cement General Identification and reporting Compressive strength uniformity requirements for portland cement, blended hydraulic cement, and portland-limestone cement General Time of test Uniformity calculations 14 5 Requirements for supplementary cementing materials and blended supplementary cementing materials Types Proportions of blended supplementary cementing materials Nomenclature Tolerances Special requirements Chemical requirements General 16 iii

2 A Canadian Standards Association Chemical requirements for slag Total alkali Physical requirements Processing additions Fly ash and natural pozzolan Slag 17 6 Sampling, testing, and inspection 17 7 Units, packaging, marking, storage, and reporting General Reporting 18 Annexes A (informative) Optional requirements 24 B (informative) Guidelines for the use of supplementary cementing materials in concrete 28 C (informative) Explanation of changes to types and nomenclature for portland cement and blended hydraulic cement 29 1 Portland cement Chemical requirements 19 2 Blended hydraulic cement Chemical requirements 19 3 Portland-limestone cement Chemical requirements 20 4 Portland cement Physical requirements 20 5 Blended hydraulic cement Physical requirements 21 6 Portland-limestone cement Physical requirements 22 7 Supplementary cementing materials and blended supplementary cementing materials Chemical requirements 22 8 Supplementary cementing materials and blended supplementary cementing materials Physical requirements 23 9 Blended hydraulic cement and blended supplementary cementing materials proportions 23 A , Masonry and mortar cement 1 Scope 33 2 Reference publications 33 3 Definitions 33 4 Masonry and mortar cement types 33 5 Test requirements General Mortar proportions 34 6 Sampling, testing, and inspection General Sampling 34 7 Packaging, marking, storage, and reporting 34 Annexes A (informative) Optional requirements 36 iv

3 1 Masonry and mortar cement requirements 35 2 Mortar proportions 35 A , Chemical test methods for cementitious materials for use in concrete and masonry 1 Scope General 39 2 Reference publications 39 3 Definitions 39 4 Qualification criteria 39 5 Qualification requirements and procedures 40 6 Qualification procedure for rapid test methods Qualification of instrument and procedure Instrument replacement Determinations Maximum permissible variations for acceptance as a qualified method 41 7 Equipment 41 8 Reagents General Concentrated reagents Dilute reagents Standard potassium dichromate (K 2 Cr 2 O 7 ) solution Non-standard solutions General Ammonium nitrate (NH 4 NO 3 ) wash solution (100 g/l) Stannous chloride dihydrate (SnCl 2 2H 2 O) solution (50 g/l) Standard liquids Water Indicators Methyl red (1 g/l) Barium diphenylamine sulphonate (Ba (C 6 H 5 NHC 6 H 4 SO 3 ) 2, 3 g/l) 42 9 General procedures Weighing Tared or weighed crucibles Constancy of mass of ignited residues Procedure to avoid bumping of liquids being heated Calculation Insoluble residue Moisture content and loss on ignition General Moisture content Loss on ignition Supplementary cementing materials Loss on ignition Hydraulic cements Loss on ignition at 550 C Reporting of results 45 v

4 A Canadian Standards Association 12 Determination of the major oxides and tricalcium aluminate contents General Procedure Silicon dioxide (SiO 2 ) Combined oxides of the ammonium hydroxide (NH 4 OH) group Calcium oxide (CaO) Magnesium oxide (MgO) Ferric oxide (Fe 2 O 3 ) Aluminum oxide (Al 2 O 3 ) Tricalcium aluminate (C 3 A) Determination of minor components General Phosphorous pentoxide (P 2 O 5 ) Titanium dioxide (TiO 2 ) Zinc oxide (ZnO) Manganese oxide (Mn 2 O 3 ) Chloride (Cl) Sodium and potassium oxides (Na 2 O, K 2 O) Free calcium oxide (FCaO) Water-soluble alkali (Alk sol ) Sulphur General Sulphur trioxide (SO 3 ) Sulphide sulphur (S) 51 1 Maximum permissible variations in results 52 A , Test methods and standard practices for cementitious materials for use in concrete and masonry 1 Scope 55 2 Reference publications 55 3 Definitions 55 A3004-A1, Standard practice for sampling, testing, and inspection 56 A3004-A2, Test method for determination of density 63 A3004-A3, Test method for determination of fineness by wet sieving 66 A3004-A4, Glass content by the modified McMaster method 69 A3004-A5, Rapid test method for determining the tendency of silica fume to entrap air in mortar or concrete 71 A3004-A6, Test method for verification of sand 73 A3004-B1, Standard practice for mechanical mixing of hydraulic cement pastes and test method for determination of normal consistency 76 A3004-B2, Test method for time of set of hydraulic cement paste Vicat needle 79 A3004-B3, Test method for time of set of hydraulic cement paste Gillmore needles 82 vi

5 A3004-B4, Test method for determination of atmospheric steam expansion 85 A3004-B5, Test method for determination of autoclave expansion 87 A3004-B6, Test method for determination of early stiffening of cement paste 90 A3004-B7, Test method for determination of heat of hydration 93 A3004-C1, Standard practice for mechanical mixing of hydraulic cement mortars and test method for determination of flow 99 A3004-C2, Test method for determination of compressive strengths 101 A3004-C3, Test method for determination of water retention of masonry mortar 110 A3004-C4, Test method for determination of air content 113 A3004-C5, Test method for determination of expansion of hydraulic cement mortar bars due to internal cement sulphate attack 117 A3004-C6, Test method for determination of expansion of portland cement mortar bars due to external sulphate 120 A3004-C7, Test method for determination of 28-day activity index (ground granulated blast-furnace slag with portland cement) 124 A3004-C8, Test method for determination of expansion of blended hydraulic cement mortar bars due to external sulphate attack 127 A3004-C9, Test method for determination of flexural bond strength 131 A3004-D1, Methylene blue adsorption test of limestone for use in portland-limestone cement 136 A3004-D2, Determination of total organic carbon in limestone 143 A3004-E1, Standard practice for the evaluation of alternative supplementary cementing materials (ASCMs) for use in concrete 147 A , Test equipment and materials for cementitious materials for use in concrete and masonry 1 Scope Reference publications Definitions Equipment and materials General Environmental conditions of laboratory Temperature Humidity Weighing equipment Analytical balance Scale Weights Glassware Graduated cylinders Autoclave Cube moulds 163 vii

6 A Canadian Standards Association Mixer and accessories Flow table Tamper Trowel Compression testing machine Conditioning equipment Le Chatelier flask Sampling tube Sieves Non-absorptive plates Vicat and Gillmore test equipment Volume measure Water retention test apparatus Wet-sieving equipment Heat of hydration calorimeter and accessories Flexural bond strength apparatus and accessories Materials Sand General Sand gradation Sand verification procedure Water Chemical analysis Physical tests Gypsum for sulphate resistance test 174 Annexes A (informative) Bibliography Class 3 permissible variations for laboratory weights used in chemical analysis and cement fineness tests Permissible variations for laboratory weights used in paste and mortar tests Dimensional requirements for moulds Cube mould tolerances Sand requirements Sieve size reference table for CSA A Figures 1 Clearance adjustment bracket Stainless steel paddle Mixing bowl Flow table and accessory apparatus Le Chatelier flask for density test Sampling tube for packaged cement Vicat apparatus Gillmore needles Volume measure Apparatus assembly for the water retention test Spray nozzle with seventeen 0.50 mm holes Calorimeter Stirrer 190 viii

7 14 Flexural bond Jig used for prism fabrication Flexural bond Drop hammer used for prism fabrication Flexural bond Mortar template used for prism fabrication Flexural bond wrench apparatus Reference for Figures 19 through Bond wrench main frame Upper clamp bracket Sliding tube, lower clamp bracket, and support Prism base support and upper clamp bracket Side, floating plate, and slide Side, top plate, side Plate, holder, and loading block 202 Index 204 ix