. Scope 1.1 This test method covers

. Scope 1.1 This test method covers the determination of the flexural strength of hydraulic-cement mortars. 1.2 The values stated in SI units are to be regarded as the standard. The values shown in parentheses are for information only. 1.3 Values in SI units shall be obtained by measurement in SI units or by appropriate conversion, using the Rules for Conversion and rounding given in Standard IEEE/ASTM SI 10, of measurements made in other units. 1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. (Warning—Fresh hydraulic cementitious mixtures are caustic and may cause chemical burns to skin and tissue upon prolonged exposure.2)
2. Referenced Documents 2.1 ASTM Standards: C 109/C 109M Test Method for Compressive Strength of Hydraulic Cement Mortars (Using 2-in. or [50-mm] Cube Specimens)3 C 230 Specification for Flow Table for Use in Tests of Hydraulic Cement3 C 305 Practice for Mechanical Mixing of Hydraulic Cement Pastes and Mortars of Plastic Consistency3 C 349 Test Method for Compressive Strength of Hydraulic Cement Mortars (Using Portions of Prisms Broken in Flexure)3 C 670 Practice for Preparing Precision and Bias Statements for Test Methods for Construction Materials4 C 778 Specification for Standard Sand3 IEEE/ASTM SI 10 Standard for Use of the International

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. Scope 1.1 This test method covers the determination of the fl exural strength of Hydraulic-Cement Mortars. 1.2 The values. Stated in SI units are to be regarded as the standard. The values shown in parentheses are for information only. 1.3 Values. In SI units shall be obtained by measurement in SI units or by, appropriate conversionUsing the Rules for Conversion and rounding given in Standard IEEE / ASTM SI 10 of measurements, made in other units. 1.4 This. Standard does not purport to address all of the safety, any concerns if, with associated its use.It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine. The applicability of regulatory limitations prior to use. (Warning - Fresh hydraulic cementitious mixtures are caustic and. May cause chemical burns to skin and tissue upon prolonged exposure.2)
2. Referenced Documents 2.1 ASTM Standards:C 109 / C 109M Test Method for Compressive Strength of Hydraulic Cement Mortars (Using 2-in.Or [] Cube 50-mm Specimens) 3 C 230 Speci fi cation for Flow Table for Use in Tests of Hydraulic Cement3 C 305 Practice for. Mechanical Mixing of Hydraulic Cement Pastes and Mortars of Plastic Consistency3 C 349 Test Method for Compressive Strength. Of Hydraulic Cement Mortars (Using Portions of Prisms Broken in Flexure) 3 C 670 Practice for Preparing Precision and Bias. Statements for Test Methods for.Materials4 C 778 Speci fi cation for Standard Sand3 IEEE / ASTM SI 10 Standard for Use of the International
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