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0 <br />AMERICNJ Np110Np1 ANSI/ASTM D 698 - 78 <br />STANDARD <br />Standard Test Methods for <br />MOISTURE-DENSITY RELATIONS OF SOILS AND SOIL- <br />AGGREGATE MIXTURES USING 5.5-Ib (2.49-kg) <br />RAMMER AND 12-in. (305-mm) DROP' <br />'13ie Standard is issued under the hied designauan D698~. the number ~mmediauly lollowing the designation indicates <br />Ik year of original adopuon or, in she case of recision. the wear of lass recision. A number in parentheses indicates the <br />her of last reapproral <br />1. SfOpe <br />1.1 These laboratory compaction methods <br />rover the determination of the relationship <br />between the moisture content and density of <br />soils and soil-aggregate mixtures (Note I) <br />when compacted in a mold of a given size with <br />l 5.5-Ib (2 4y-kg) yammer dropped from a <br />height of 12 in. (305 mm) (Nate 2). Four <br />dlematlve procedures are pros ~ded as fol- <br />lows: <br />1.1.1 Method A-A 4-In (101.6-mm) <br />mold; material passing a Nu 4 (J .75-mm) <br />sieve; <br />1.1.2 Method B-A 6-in. (152 4-mm) <br />mold; material passing a No. 4 (4.75-mm) <br />sieve; <br />1.1.3 Method C-A 6-in (1124-mm) <br />mold; material passing a 'r.-in. (1y 11-mm) <br />sieve; and <br />LL4 Mcrhud D-A h-in. (1524-mm) <br />mold; material passing a 'r+-in. (19.0-mm) <br />Sieve, corrected by rcplacc meal far m.ucri;d <br />retained un a an-m. siesi <br />NOTE 1-Soils and soil-aggregate mutu yes should <br />k regarded es natural occurting lure- or caars<- <br />6raioed soils or wmposiles or mrxtures of natural <br />ells, or matures of natural and processed soils or <br />aggregates such as silt, gravel, or crushed rock. <br />Nora 2-These laboraron~ compaction tell <br />methods when used on soils and soil-aggregates <br />which are nor tree-draining mill. in must case. <br />establish await-defined opumum moisture content <br />and maximum density (see Section 7) How es er. <br />for free-draining soils and soil-aggregate mixtures. <br />These methods will not. in many cases, produce a <br />well-defined moist ore-densilr relationship and the <br />maximum de nqp obtained well ee tie rally he lea <br />Than That ohtamcd h. sihr:m~rc met hud~ <br />I 1 The method lu be used should be indi- <br />cated in the speri(ications (or the material <br />being tested. If no method Is. specified, the <br />pros scions of Section 5 shall govern. <br />2. Applicable Documents <br />2.1 ASTM Srmrdards: <br />C 127 Test for Specific Gravity and Ab- <br />sorption of Coarse Aggregate' <br />D854 Test (or Specific Gravity of Soils' <br />D 2168 Calibration of Mechanical Labora- <br />ton Soil Compactors' <br />D2216 Laboraton~ Determination of Mois- <br />ture Conrent of Soil' <br />D 2487 Classi (ication of Soils (or Engineer- <br />ing Purposes' <br />D 248& Recommended Practice (or Soils <br />(Visual-Manual Procedure )s <br />E I I Spccdicuion for Wire-Cloth Sieves <br />lur Tcsnng Purposes' <br />3. Apparatus <br />3.1 Mi.lrle -~I~hc mulde shall be tylindncul <br />in shape. made u( rigid metal 'and be within <br />the cu pacny and dimensions indicated in 3.1 .I <br />or 3.11 The molds muv be the "split" type, <br />conslsting either of two half-round sections. <br />or a section of pipe split along one element, <br />' These methods are under the Junsdminn nl ASTM <br />Comminee D-Ia nn Soil and Rock tar Engineering Pur- <br />pnces. <br />Curtent ediunn approved April 27. 1978. PublisMd <br />July 1978 Originally published as D 698 - a2 T. Last <br />precious edition D 698 - 70. <br />' Annual Book of AST.N Standard', Pans I < and I5. <br />'Annual BooA oJA57M Standard', pan 19. <br />•.i nnual Bonk of A,ST.N Standard'. Parts la, I5. and <br />al <br />.% <br />S <br /> <br />s. <br />