Designation: C 645 – 00 - Nonstructural Steel Framing Members1 ppsx

... Subcommittee C1 1.02 on Specifications and Test Methods for Accessories and Related Products. Current edition approved Jan. 10, 2000 . Published March 2000 . Originally published as C 645 – 70. Last ... deflection calculations. E Where noted, member web height-to-thickness ratio exceeds 200, web stiffeners required at supports. FIG. 3 Studs C 645 4 furring members which mechanicall...

Ngày tải lên: 10/07/2014, 23:20

... practice covers procedures for the collection and reduction of samples of lime and limestone products to be used for physical and chemical tests. 1.2 This practice further covers inspection, rejection, ... Pestle D Ring and Puck Mill C2 5 < 0.5 gram < 200 mesh Mechanical Mortar and Pestle D Ring and Puck Mill C2 5 C 1271 E C 1301 E A The Precision, associated with speci c analyt...

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... 0.75 Tricalcium silicate (C 3 S), E max, % 35 B Dicalcium silicate (C 2 S), E min, % 40 B Tricalcium aluminate (C 3 A) E max, % 8 15 7 B 5 C Tetracalcium aluminoferrite plus twice the tricalcium ... oxide to ferric oxide is 0.64 or more, the percentages of tricalcium silicate, dicalcium silicate, tricalcium aluminate, and tetracalcium aluminoferrite shall be calculated from the chemi...

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... Density Cup, 400 mL cylindrical cup as described in the Apparatus Section of Test Method C 185. 16.2.3 Balance, suitable for weighing at least 800 g accu- rately to 0.1 g. 16.2.4 Clock or Watch. 16.2.5 ... of Hydraulic Cement 3 C 305 Practice for Mechanical Mixing of Hydraulic Cement Pastes and Mortars of Plastic Consistency 3 C 430 Test Method for Fineness of Hydraulic Cement by the...

Ngày tải lên: 10/07/2014, 23:20

... follows: Ignite 0. 1000 g of primary standard calcium carbonate in a platinum crucible at 900 to 1000 C. Cool the crucible and contents in a desiccator and weigh to the nearest 0 .000 1 g to constant weight. ... 1976. C1 14 6 crucible size No. 3, 25-mL capacity in which is placed a suitable filter paper, 21-mm size, a Walter crucible holder, a 50 0- mL vacuum flask, and vacuum source. The...

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... g of cement and sufficient water to give a paste of normal consistency in accordance with the procedure described in Test Method C 187. Mix this batch in accordance with the procedure described ... molds in accordance with the requirements of Practice C 490 except that molds need not be sealed. 9. Preparation of Test Specimens 9.1 Mixing Cement Paste—Prepare the standard batch con- sistin...

Ngày tải lên: 10/07/2014, 23:20

... described in 4.6, except that only one time-of-flow determination need be made on each bed. 6. Calculation 6.1 Calculate the speci c surface values in accordance with the following equations: S 5 S s = T = T s (3) S ... to buckle and cause erratic results. 3.6 Manometer—The U-tube manometer shall be con- structed according to the design indicated in Fig. 1, using nominal 9-mm outside diameter...

Ngày tải lên: 10/07/2014, 23:20

... Nomenclature for Constituents of Natu- ral Mineral Aggregates 3 C 1328 Specification for Plastic (Stucco) Cement 2 C 1329 Specification for Mortar Cement 2 2.2 ACI Standard: ACI 116R Cement and Concrete ... jurisdiction of ASTM Committee C0 1 on Cement and is the direct responsibility of Subcommittee C0 1.91 on Editorial and Terminol- ogy. Current edition approved Sept. 10, 2000 . Publish...

Ngày tải lên: 10/07/2014, 23:20

... center of each test specimen and perpendicular to the surface. 13.5.3 Condition specimens in accordance with Section 5. 13.6 Procedure—Using the apparatus in 13.3, place the specimen on the specimen ... 10 5 in. 2 / 1000 ft 2 1 3 10 8 mm 2 / 100 m 2 X2.4 Report—Report the weight as the average calculated weight, in lb/ 1000 ft 2 (kg/ 100 m 2 ) of the three gypsum speci- mens. SUMMARY OF CHA...

Ngày tải lên: 10/07/2014, 23:20

... days 100 90 100 100 100 28 days 100 90 90 100 100 3 months 100 90 90 100 100 1 year 100 90 90 100 100 Bond strength, percent of control: 28 days 100 90 100 100 100 Volume change, expressed as change ... Materials section of Specification C 465, using propor- tions specified in Concrete Mixtures section of that specifica- tion. 6. General Requirements 6.1 The cement, mortar, an...

Ngày tải lên: 10/07/2014, 23:20