8/11/2019 Expmt #6 (Moisture Density Relation)

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DEPARTMENT OF ENGINEERING AND TECHNOLOGY SOIL MECHANICS SECTION

Name:______________________________ Student I.D. No._________________Course:_____________________________Subject:_______________________Semester and Year: ___________________ Time and Days:_________________Grade:______________________________ Instructor:_____________________

EXPERIMENT No. 6(MOISTU! " UNIT #!IG$T !%&TIONS$I' O SOI%S)

COM'&CTION T!ST

!!!NC!S

&STM D*+, and D-/&&S$TO T++ (Standard) and T-,0 (Modi1ied)

M&T!I&%S &ND &''&&TUS

-. Com2action mo3d 4it5 base 23ate and co33ar.6. Com2action rammer (67. N 8 0.90 m dro2 or 77. N 8 0.7* m dro2) or

mec5anica33y o2erated rammer.9. -0 to -6 moisture cans.7. Sam23e e8truder (ac;) or mec5anica3 2u3e mi8in> 2an.*. Soi3 mi8er (o2tiona3)

'OC!DU!

Note:& 4ater?content (i.e. 23astic and 3i@uid 3imits) must be 2er1ormed 1irst ont5e soi3 sam23e ta;en 67 5ours 2rior to t5is test. Ot5er4ise it may ta;e *to , tria3s to obtain t5e com2action cur5t E.0- 8 9 B .09

;>s B 90 m3 o1 4aterF to account 1or t5e e5 t5e com2action mo3dA but do not inc3ude t5e co33ar or t5e base 23ate.*. Measure t5e com2action mo3d to determine its

8/11/2019 Expmt #6 (Moisture Density Relation)

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b. Modi1ied 'roctor Test ($eae. i33 in any 5o3es in t5e com2acted s2ecimen 4it5 eit5ersoi3 or >ra 2rocessremo

8/11/2019 Expmt #6 (Moisture Density Relation)

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Gs B S2eci1ic >ra5t

4 B 4ater content

I1 Gs is not ;no4nA assume t5at t5e =ero?air?5t ato2timum moisture is K 3ar>er t5an t5e ma8imum dry unit 4ei>5t. romt5is assum2tion you can com2ute a 5t at ot5er