ASTM C308-2000(2005) Standard Test Methods for Working Initial Setting and Service Strength Setting Times of Chemical-Resistant Resin Mortars《耐化学腐蚀树脂灰浆施工时间、凝固时间及维护凝固强度时间的标准试验方法》.pdf
《ASTM C308-2000(2005) Standard Test Methods for Working Initial Setting and Service Strength Setting Times of Chemical-Resistant Resin Mortars《耐化学腐蚀树脂灰浆施工时间、凝固时间及维护凝固强度时间的标准试验方法》.pdf》由会员分享,可在线阅读,更多相关《ASTM C308-2000(2005) Standard Test Methods for Working Initial Setting and Service Strength Setting Times of Chemical-Resistant Resin Mortars《耐化学腐蚀树脂灰浆施工时间、凝固时间及维护凝固强度时间的标准试验方法》.pdf(3页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: C 308 00 (Reapproved 2005)Standard Test Methods forWorking, Initial Setting, and Service Strength Setting Timesof Chemical-Resistant Resin Mortars1This standard is issued under the fixed designation C 308; the number immediately following the designation indicates the year oforiginal ad
2、option or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 These test methods cover the determination of theworking, initial set
3、ting, and service strength setting times ofchemical-resistant resin mortars.1.2 The values stated in SI units are to be regarded as thestandard. The values given in parentheses are for informationonly.1.3 This standard does not purport to address all of thesafety concerns, if any, associated with it
4、s use. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2C 279 Specification for Chemical-Resistant Masonry UnitsC 307 Test Meth
5、od for Tensile Strength of Chemical-Resistant Mortars, Grouts, and Monolithic SurfacingsC 904 Terminology Relating to Chemical-Resistant Non-metallic Materials3. Terminology3.1 DefinitionsFor definitions of terms used in these testmethods, see Terminology C 904.4. Significance and Use4.1 These test
6、methods offer a means of determining theworking time, initial setting time and service strength settingtime of chemical-resistant resin mortars. The results obtainedshould serve as a guide in, but not as the sole basis for,selection of a chemical-resistant mortar for a particular appli-cation.5. App
7、aratus5.1 Weighing EquipmentShall be capable of weighingmaterials or specimens to 60.3 % accuracy.5.2 Mixing Equipment:5.2.1 Porcelain Enameled PanMeasuring approximately250 mm long by 400 mm wide by 50 mm deep (10 in. by 16in. by 2 in.).5.2.2 Bricklayers Triangular TrowelApproximately 100mm (4 in.)
8、 in length.5.3 BricksAs per Specification C 279, Type III.5.4 Vicat Apparatus The Vicat apparatus shall consist of aframe, A (see Fig. 1), bearing a movable rod, B, weighing 300g, one end, C, the plunger end, being 10 mm in diameter for adistance of at least 50 mm and the other end having aremovable
9、 steel needle, D, for initial setting time determina-tion, 1 mm in diameter and 50 mm in length. The rod, B, isreversible, and can be held in any desired position by a setscrew, E, and has an adjustable indicator, F, which moves overa scale (graduated in millimetres) attached to the frame, A. Inaddi
10、tion to the above, the Vicat apparatus shall conform to thefollowing requirements:5.4.1 Weight of Plunger300 6 0.5 g.5.4.2 Diameter of Larger End of Plunger10 6 0.05 mm.5.4.3 Diameter of Needle1 6 0.05 mm.5.4.4 Graduated Scale The graduated scale, when com-pared with a standard scale accurate to wit
11、hin 0.1 mm at allpoints, shall not show a deviation at any point greater than 0.25mm.6. Temperature6.1 All materials used in this method shall be stored for atleast 16 h prior to use at the standard test temperature of 23 62C (73 6 4F). The standard temperature for the working andinitial setting tim
12、e tests shall be 23 6 2C (73 6 4F). Other1These test methods are under the jurisdiction of Committee C03 on Chemical-Resistant Nonmetallic Materials and are the direct responsibility of SubcommitteeC03.01on Mortars and Carbon Brick.Current edition approved Oct. 1, 2005. Published October 2005. Origi
13、nallyapproved in 1953. Last previous edition approved in 2000 as C 30800.2For 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 A
14、STM website.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.test temperatures are acceptable upon agreement between themanufacturer and user provided that they are reported with thetest data.7. Preparation of Mortar7.1 Prepare a 1000
15、-g sample of mortar, using proportionateamounts of filler and liquid as recommended by the manufac-turer. If the proportions specified are by volume, weigh thematerials and report the corresponding proportions by weight.Pour an appropriate amount of liquid into the pan, graduallyadd the powder to th
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