ASTM C404-2007 Standard Specification for Aggregates for Masonry Grout《砖石工程灰浆用集料的标准规范》.pdf
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1、Designation: C 404 07Standard Specification forAggregates for Masonry Grout1This standard is issued under the fixed designation C 404; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number in parenthes
2、es indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.1. Scope1.1 This specification covers aggregate for use in grout formasonry.1.2 The
3、values stated in SI units are to be regarded as thestandard. The values given in parentheses are for informationonly.1.3 The following precautionary cavet pertains only to thetest methods portion, Section 8 of the standard. This standarddoes not purport to address all of the safety concerns, if any,
4、associated with its use. It is the responsiblity of the user of thisstandard to establish appropriate safety and health practicesand determine the applicability of regulatory limitations priorto use.2. Referenced Documents2.1 ASTM Standards:2C33 Specification for Concrete AggregatesC40 Test Method f
5、or Organic Impurities in Fine Aggre-gates for ConcreteC87 Test Method for Effect of Organic Impurities in FineAggregate on Strength of MortarC88 Test Method for Soundness of Aggregates by Use ofSodium Sulfate or Magnesium SulfateC117 Test Method for Materials Finer than 75-m (No.200) Sieve in Minera
6、l Aggregates by WashingC 123 Test Method for Lightweight Particles in AggregateC 127 Test Method for Density, Relative Density (SpecificGravity), and Absorption of Coarse AggregateC 128 Test Method for Density, Relative Density (SpecificGravity), and Absorption of Fine AggregateC 136 Test Method for
7、 Sieve Analysis of Fine and CoarseAggregatesC 142 Test Method for Clay Lumps and Friable Particles inAggregatesC 144 Specification for Aggregate for Masonry MortarC 476 Specification for Grout for MasonryD75 Practice for Sampling Aggregates3. General Characteristics3.1 Aggregates shall consist of na
8、tural sand or manufac-tured sand, used alone or in combination with coarse aggregateas described in this specification. Manufactured sand is theproduct obtained by crushing stone, gravel, or air-cooled ironblast-furnace slag. Coarse aggregate shall consist of crushedstone, gravel, or air-cooled iron
9、 blast-furnace slag processed toassure suitable gradation.NOTE 1Care should be taken to ensure a suitable particle shape, sinceexcessive quantities of flat and elongated particles have historically causedproblems with workability.4. Grading4.1 Grading shall conform to the requirements in Table 1 ors
10、hall comply with the requirements of 4.2.NOTE 2Size No. 1 is that specified for concrete sand in SpecificationC33; Size No. 2 is that specified for masonry mortar in SpecificationC 144; and Sizes 8 and 89 are standard sizes as given in SpecificationC33.4.2 Aggregates of gradations other than those c
11、overed byTable 1 are permitted if all of the requirements of 4.2.1, 4.2.2,and 4.2.3 are met.4.2.1 One hundred percent of the fine aggregate shall passthe 9.5mm(38-in.) sieve and no more than 5 % natural sand or10 % for manufactured sand shall pass the 75- mm (No. 200)sieve.1This specification is und
12、er the jurisdiction of ASTM Committee C12 onMortars and Grouts for Unit Masonry and is the direct responsibility of Subcom-mittee C12.04 on Specifications for Aggregates for Mortars.Current edition approved June 1, 2007. Published July 2007. Originally approvedin 1957. Last previous edition approved
13、 in 2006 as C 404 06.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.1Copyright ASTM International, 100 Barr
14、Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.4.2.2 One hundred percent of the coarse aggregate shall passthe 12.5-mm (12-in.) sieve and no more than 5 % shall pass the600-m (No. 30) sieve.4.2.3 The compressive strength of grout shall be specifiedand meet the requirement
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