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1. Mud Contentof FineAggregate (ina Precipitated Way)
testingof mud contentonfineaggregatesaims to determine
the mudcontentthatcontainedinthe fineaggregate (sand).
maximum mud contentof 5%dry weight fornon-abrasive
concreteandmaximum 3%dry weight for abrasionated
concrete.Highmud contentcan increasethe manufacturing
cost becausewaterandcement needsareincreasingand
exacerbatethe qualityof theconcrete bondingbetween
cement andsandaggregate orgravel will be disrupted.The
additionof water to theconcretemix will make the strengthof
the concreteisnot strongand we will get lessgoodresults.
Abstract
1. Preparetoolsandmaterials(fineaggregate escapedsieveno. 4)
2. Fillthe measuringcup with sandasmuch as1/3 volume of the measuringcup, addclear water until3/4 full.
3. Bottleclosedwith tied plastic,andshakethebottle(measuring cup)for 30 minutes.
4. Leave thesampleontheflat for 24 hours.
5. After 24 hours,thesamplewill form 3 layersof water,mud, and sand.
6. Calculatethe volumeof mud(V1) andthe volume of sand(V2).
7. Calculatethe mud contentin percent
8. Cleantoolsandworkplace
Procedure
𝒗𝟏
𝒗𝟏 + 𝒗𝟐
𝒙𝟏𝟎𝟎%
inthe experimentsmud contentof fineaggregate in a precipitatedway,it wasfoundthat the
mudcontentcontainedwas 23, 85%. sothisfine aggregate(sand),not worth it for directuseto
make concrete (fineaggregatemust be washedbeforeuse, andthe mud contentis nomore
(must less)than5%)
Conclusion:
Average :
22,86+22,22+26,47
3
= 23,85%
Result
Apparatus
SNI-S-04-1998-F
SNI-03-1750-1990
Module ofpracticetestmaterials.Measuring
cup 1000ml
Rubber coverPlastic
Reference:
By :
Seva