VA 04 05 16-2011 MASONRY GROUTING.pdf

1、09-11 04 05 16 - 1 SECTION 04 05 16 MASONRY GROUTING SPEC WRITER NOTE: Delete between / - / if not applicable to project. Also delete any other item or paragraph not applicable in the section and renumber the paragraphs. PART 1 - GENERAL 1.1 DESCRIPTION: Section specifies grout materials and mixes.

2、1.2 RELATED WORK: A. Grout used in Section: 1. Section 03 45 00, PRECAST ARCHITECTURAL CONCRETE. 2. Section 04 20 00, UNIT MASONRY. 3. Section 04 72 00, CAST STONE MASONRY. B. Grout Color: Section 09 06 00, SCHEDULE FOR FINISHES. 1.3 TESTS: A. Test grout and materials specified. B. Certified test re

3、ports. C. Identify materials by type, brand name and manufacturer or by origin. D. Do not use materials until laboratory test reports are approved by Resident Engineer. E. After tests have been made and materials approved, do not change without additional test and approval of Resident Engineer. F. T

4、esting: 1. Test materials proposed for use for compliance with specifications in accordance with test methods contained in referenced specifications and as follows: 2. Grout: a. Test for compressive strength; ASTM C1019. b. Grout compressive strength of 13790 kPa (2000 psi) at 28 days. SPEC WRITER N

5、OTE: The nonstaining requirement applies only to grout required to be nonstaining to limestone. 3. Cement: a. Test for water soluble alkali (nonstaining) when nonstaining cement is specified. b. Nonstaining cement shall contain not more than 0.03 percent water soluble alkali. 4. Sand: Test for delet

6、erious substances, organic impurities, soundness and grading. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-09-11 04 05 16 - 2 1.4 SUBMITTALS: A. Submit in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES. B. Certificates:

7、 1. Indicating that following items meet specifications: a. Portland cement. b. Masonry cement. c. Grout. d. Hydrated lime. e. Fine aggregate (sand). /f. Coarse aggregate for grout. / g. Color admixture. C. Laboratory Test Reports: 1. Grout, each type. 2. Admixtures. D. Manufacturers Literature and

8、Data: 1. Cement, each kind. 2. Hydrated lime. 3. Admixtures. 4. Liquid acrylic resin. 1.5 PRODUCT DELIVERY, STORAGE AND HANDLING: A. Deliver masonry materials in original sealed containers marked with name of manufacturer and identification of contents. B. Store masonry materials under waterproof co

9、vers on planking clear of ground, and protect damage from handling, dirt, stain, water and wind. 1.6 APPLICABLE PUBLICATIONS: A. Publications listed below form a part of specification to extent referenced. Publications are referenced in text by basic designation only. B. American Society for Testing

10、 and Materials (ASTM): C40-04 . Organic Impurities in Fine Aggregates for Concrete C91-05 . Masonry Cement C150-09 Portland Cement C207-06 Hydrated Lime for Masonry Purposes C404-07 Aggregate for Masonry Grout C476-10 Grout for Masonry C595-10 Blended Hydraulic Cement C979-10 Pigments for Integrally

11、 Colored Concrete C1019-11 . Sampling and Testing Grout Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-09-11 04 05 16 - 3 PART 2 - PRODUCTS SPEC WRITER NOTE: Make material requirements agree with applicable requirements specified in the referenced A

12、pplicable Publications. Update and specify only that which applies to the project. 2.1 HYDRATED LIME: ASTM C207, Type S. 2.2 AGGREGATE FOR MASONRY GROUT: ASTM C404, Size 8. 2.3 BLENDED HYDRAULIC CEMENT: ASTM C595, Type IS, IP. 2.4 MASONRY CEMENT: A. ASTM C91. Type N, S, or M. /B. Use white masonry c

13、ement whenever white mortar is specified. / 2.5 PORTLAND CEMENT: A. ASTM C150, Type I. /B. Use white Portland cement wherever white mortar is specified. / 2.6 LIQUID ACRYLIC RESIN: A formulation of acrylic polymers and modifiers in liquid form designed for use as an additive for mortar to improve ph

14、ysical properties. 2.7 WATER: Potable, free of substances that are detrimental to grout, masonry, and metal. 2.8 GROUT: A. Conform to ASTM C476 except as specified. B. Grout type proportioned by volume as follows: 1. Fine Grout: a. Portland cement or blended hydraulic cement: one part. b. Hydrated l

15、ime: 0 to 1/10 part. c. Fine aggregate: 2-1/4 to three times sum of volumes of cement and lime used. 2. Coarse Grout: a. Portland cement or blended hydraulic cement: one part. b. Hydrated lime: 0 to 1/10 part. c. Fine aggregate: 2-1/4 to three times sum of volumes of cement and lime used. d. Coarse

16、aggregate: one to two times sum of volumes of cement and lime used. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-09-11 04 05 16 - 4 3. Sum of volumes of fine and coarse aggregates: Do not exceed four times sum of volumes of cement and lime used. 2

17、.9 COLOR ADMIXTURE: A. Pigments: ASTM C979. B. Use mineral pigments only. Organic pigments are not acceptable. C. Pigments inert, stable to atmospheric conditions, nonfading, alkali resistant and water insoluble. PART 3 - EXECUTION 3.1 MIXING: A. Mix in a mechanically operated grout mixer. 1. Mix gr

18、out for at least five minutes. / B. Measure ingredients by volume. Measure by the use of a container of known capacity. C. Mix water with grout dry ingredients in sufficient amount to bring grout mixture to a pouring consistency. 3.2 GROUT USE LOCATIONS: A. Use fine grout for filling wall cavities a

19、nd cells of concrete masonry units where the smallest dimension is 50 mm (2 inches) or less. B. Use either fine grout or coarse grout for filling wall cavities and cells of concrete masonry units where the smallest dimension is greater than 50 mm (2 inches). C. Do not use grout for filling bond beam or lintel units. - - - E N D - - - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-