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Trang 1Scope,
Physical
Properties
Methods ol
Testing
Sampling
STANDARD SPECIFICATIONS
FOR SAND FOR SHEET ASPHALT AND BITUMINOUS
A.S.T.M.Designation: D 162-29
These specifications are issued under the fixed designation D 162; the final number indicates the year of original adoption as standard or, in the case of revision, the year of last revision
ISSUED AS TENTATIVE, 1923; ADOPTED, 1929
1 These specifications cover sand for use in the construction of the surface course of sheet asphalt pavements and those types of bituminous concrete pavements in which sand predominates
2 The grains of the sand shall be clean, tough, rough-surfaced and angular The sand after drying shall be free from lumps or balls
of clay or of clay and sand Before being incorporated into the paving mixture it shall conform to the following requirements as to grading:
Passing No 200 sieve 0 to 5 per cent
Passing No 100 sieve, retained on No 200 6 to 25 " }
4 Passing No 80 sieve, retained on No 100 6 to 25 15 to 0 per cent Passing No 50 sieve, retained on No 80 5 to 40 " }
30 to 60 Passing No 40 sieve, retained on No 50 5 to 30
Passing No 30 sieve, retained on No 40 8 to 25 " )
Passing No 20 sieve, retained on No 30 5 to 15 18 to 50
Passing No 10 sieve, retained on No 20 5 to 15
Passing No 10 sieve 95 to 100
Passing !-in screen 100
3 General Clzaracteristics. The general characteristics shall be determined by examination under a microscope or a magnifying glass
4 2vleclwnical Analysis.-The tests for the mechanical analysis shall be made in accordance with the Standard Method of Mechanical Analysis of Sand or Other Fine Highway Material, Except Fine Aggre-gates Used in Cement Concrete (A.S.T.M Designation: D 7) of the American Society for Testing Materials.2
5 The method of sampling shall conform to the Standard Methods
of Sampling Stone, Slag, Gravel, Sand and Stone Block for Use as Highway Materials, Including Some Material Survey Methods (A.S.T.M Designation: D 75) of the American Society for Testing Materials.3
risdic-tion of the A.S.T.M Committee D-4 on Road and Paving Materials
'Sec p 628
'Seep 622
(594)