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    AASHTO T 42-2010 Standard Method of Test for Preformed Expansion Joint Filler for Concrete Construction.pdf

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    AASHTO T 42-2010 Standard Method of Test for Preformed Expansion Joint Filler for Concrete Construction.pdf

    1、Standard Method of Test for Preformed Expansion Joint Filler for Concrete Construction AASHTO Designation: T 42-10 (2015) ASTM Designation: D545-08 American Association of State Highway and Transportation Officials 444 North Capitol Street N.W., Suite 249 Washington, D.C. 20001 TS-4e T 42-1 AASHTO S

    2、tandard Method of Test for Preformed Expansion Joint Filler for Concrete Construction AASHTO Designation: T 42-10 (2015) ASTM Designation: D545-08 AASHTO T 42-10 is identical to ASTM D545-08 except for the following: 1. Change the first and second sentences of Section 1.2 of ASTM D545-08 to the foll

    3、owing: 1.2. The values stated in SI units are to be regarded as the standard. 2. In Section 2 of ASTM D545-08, add AASHTO reference documents as follows: 2.2. AASHTO Standards: M 231, Weighing Devices Used in the Testing of Materials R 16, Regulatory Information for Chemicals Used in AASHTO Tests T

    4、164, Quantitative Extraction of Asphalt Binder from Hot Mix Asphalt (HMA) 3. Change the first sentence of Section 4.7 of ASTM D545-08 to the following: One steel template 102 by 102 mm, machined from 6.4-mm steel plate to fit the extrusion mold. 4. Change Section 4.8 of ASTM D545-08 to the following

    5、: 4.8. Metal Plate, 114 by 114 mm 2.5 mm with parallel faces machined from 12.7-mm steel plate. 5. Change Section 5.1 of ASTM D545-08 to the following: 5.1. One representative sample approximately 0.2 m2/90 m2of joint filler shall be obtained and properly packaged for safe transporting to the testin

    6、g agency. 6. Change the fourth sentence of Section 7.1.1 of ASTM D545-08 to the following: Measure the final thickness of each specimen to the nearest 0.03 mm. 7. In Section 7.1.1 of ASTM D545-08, for SI units, change the definition of the numerator and denominator in the formula to the following: A

    7、= thickness in millimeters after boiling in water, and B = thickness in millimeters before boiling in water. 8. In Section 7.3.4 of ASTM D545-08, change the third sentence to the following: Determine the amount of extrusion in millimeters by measuring the maximum movement of the free edge of the tes

    8、t specimen during the 50 percent compression of the specimen. 9. In Section 7.6.1 of ASTM D545-08, for SI units, change the formula and definitions to the following: 1Absorption by Volume, % 10010.4WWt= (1) where: W1 = mass after immersion, g; W = mass before immersion, g; and t = thickness of speci

    9、men, mm. 2015 by the American Association of State Highway and Transportation Officials.All rights reserved. Duplication is a violation of applicable law.TS-4e T 42-2 AASHTO 10. Change Section 7.6.2 of ASTM D545-08 to the following: 7.6.2. In the event that the metal template or the test specimen, o

    10、r both, does not measure to within the tolerances established in Section 4.7, the length and width of the specimen must be measured to within 0.3 mm and percent water absorption by volume calculated as follows: 11. In Section 7.6.2 of ASTM D545-08, for SI units, change the formula and definitions to

    11、 the following: 11000( )Absorption by Volume, % 100WWlwt= (2) where: W1 = mass after immersion, g; W = mass before immersion, g; l = length of specimen, mm; w = width of specimen, mm; and t = thickness of specimen, mm. 12. Change Section 7.7.3 of ASTM D545-08, for SI units, to the following: 7.7.3.

    12、Calculate the density in kg/m3, as follows: 96.117Density Wt= (3) where: W = mass, g; and t = thickness, mm. 13. In Section 7.7.4 of ASTM D545-08, for SI units, change Section 7.7.4 to the following: 7.7.4. In the event that the metal template or the test specimen, or both, does not measure to withi

    13、n the tolerances established in Section 4.7, the length and width of the specimen must be measured to within 0.3 mm and density calculated in kg/m3as follows: 610Density Wlwt=(4) where: W = mass, g; l = length, mm; w = width, mm; and t = thickness, mm. 2015 by the American Association of State Highway and Transportation Officials.All rights reserved. Duplication is a violation of applicable law.


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