7/31/2019 Name of Presentation Up2date

1/38

PRESENTATIONOFSOILINVESTIGATION

7/31/2019 Name of Presentation Up2date

2/38

Producedby

MuhammadAsyraf

MohamadFaezAffiq

MohdZulkipli

IlmanHazimin

SyedIzzatEmir

MuhammadAkmal

7/31/2019 Name of Presentation Up2date

3/38

KERJA-KERJAUJIANTANAHBAGICADANGANPEMBANGUNANDI

ATASLOT1611,MUKIM11,JALAN

BARU,TAMANPAUHJAYA,FASA8,SEBERANGPERAITENGAH,

PULAUPINANG.

7/31/2019 Name of Presentation Up2date

4/38

INFORMATIONABOUTSITE

INVESTIGATION

Employer

TetuanUDALand(North)Sdn.Bhd.,

N0.1961,JalanBertam,13200KepalaBatas,

SeberangPeraiUtara,PulauPinang.

TestCarriedOutBy

SyarikatUjitanahSdn.Bhd.,

1347,JalanKebunSireh,BukitTengah,

14000BukitMertajam,PulauPinang.

7/31/2019 Name of Presentation Up2date

5/38

SITELOCATION

LocatedonLot1611,Mukim11,TamanPauhJaya,Fasa8,Jalan

Baru,Perai,SeberangPeraiTengah,

PulauPinang.

7/31/2019 Name of Presentation Up2date

6/38

ProjectInformation

Buildingforresidentialarea.

Triplestoreybungalow,terrace,semi-

Dimension.

Triplestoreybungalow=1.3M

Terracehouse=750K

SemiDimensionhouse=1M

7/31/2019 Name of Presentation Up2date

7/38

Sitelocation

7/31/2019 Name of Presentation Up2date

8/38

7/31/2019 Name of Presentation Up2date

9/38

INVESTIGATIONOBJECTIVE

Obtainthesubsoilinformationforfoundationdesign

Obtainsoilsamplesforvisual

examination

Determinethegroundwatertableat

thesite

7/31/2019 Name of Presentation Up2date

10/38

PROBLEMATSITE?

Aftertestingabout12mdepthunderground.Soilstrengthisweak

wherenvalueiszero.

Historyofthesiteisapaddyfieldwhereweallknowthatthissoilis

weakerthanothersoil.

Thistypeofsoilisnotsuitableforconstruction.

7/31/2019 Name of Presentation Up2date

11/38

FIELDEXPLORATION

Borehole

Theboreholewassunkbymeansofa

multispeedwaterflushedrotary

boringmachine.Advancementoftheboreholewereachievedbyloosening

thesoilusingarollerbitandflushing

outtheloosematerialbymeansofcirculatingwaterunderhighpressure.

7/31/2019 Name of Presentation Up2date

12/38

7/31/2019 Name of Presentation Up2date

13/38

Groundwatermonitoring

a) Forthemonitoringofgroundwater

conditions,groundwater

measurementsweretakendailywhenthedrillingisinprogress.

b) Thegroundwaterlevelisfoundto

rangefrom0.1mto2.0mbelowexistinggroundsurface.

7/31/2019 Name of Presentation Up2date

14/38

7/31/2019 Name of Presentation Up2date

15/38

Methodtodesign(soiltreatment)

3methodareusedtosolvetheproblem

1. Layersgeotextile

Weaksoil(around2m)hadbeentakeout

andtransferwithnewsoilbylayers.Each

layerswillbecompactedby9times

repeatedly.

7/31/2019 Name of Presentation Up2date

16/38

2. Sandreplacement

Soilisreplacebysandtocovertheweaksoil.

3. Verticaldrain

Verticaldrainsareinstalledunderasurcharge

loadtoacceleratethedrainageofimpervioussoilsandthusspeedupconsolidation

Thesedrainsprovideashorterpathforthe

watertoflowthroughtogetawayfromthesoil

Timetodrainclaylayerscanbereducedfromyearstoacoupleofmonths

7/31/2019 Name of Presentation Up2date

17/38

Geosyntheticsusedasasubstitutetosand

columns

Installedbybeingpushedorvibratedintothe

ground

Mostareabout100mmwideand5mmthick

7/31/2019 Name of Presentation Up2date

18/38

7/31/2019 Name of Presentation Up2date

19/38

7/31/2019 Name of Presentation Up2date

20/38

7/31/2019 Name of Presentation Up2date

21/38

7/31/2019 Name of Presentation Up2date

22/38

LaboratoryTest ThelaboratoryTestareusedinthissoil

investigation:

i. AtterbergLimitDetermination

ii. LaboratoryCompactionTestiii. SoakedCBRTest

iv. JKRProbe

v. Sieveanalysis(DryandWetSieving)vi. TriaxalTest

7/31/2019 Name of Presentation Up2date

23/38

ThefollowinglististheproposalsarerequestedbytheUDAsclient(whichis

usedintheprojectUDAinsite

investigation).

TheclientisMekarindustriesandthe

laboratorytestisdonebytheSOIL&

MATERIALLABORATORY(PG)sdn.bhd.

7/31/2019 Name of Presentation Up2date

24/38

InformationaboutLaboratoryTestTheCompactionTest

soilqualitytestusedtoassessthelevelof

compactionwhichcanoccurinthesoilona

site

tofindthemaximumpracticaldensityofthe

soil.

7/31/2019 Name of Presentation Up2date

25/38

Howitworks?

packedintoamoldandsubjectedto

pressuretoforcethesoiltocompact.

repeatedseveraltimes,withthemoisture

levelofthesoilbeingadjustedtoachievearangeofvalues.

Andtheresultgetoptimummoisturecontentandmaximumdry

7/31/2019 Name of Presentation Up2date

26/38

Themoremoistureinthesoil,themoreit

canbecompacted.

Importanceofcompactiontest

Preventsettlementandfrostdamage

Providestabilitytothebuilding

Reducewaterseepage.

Example of compaction test

7/31/2019 Name of Presentation Up2date

27/38

Exampleofcompactiontest

method

7/31/2019 Name of Presentation Up2date

28/38

AtterbergLimitDetermination

Todeterminetheplasticlimit,liquidlimit,and

plasticityindexofthesoil

TesttodeterminetheAtterbergLimit:

Casagrandemethod.

Conepenetrationmethod.

7/31/2019 Name of Presentation Up2date

29/38

Casagarndemethod

7/31/2019 Name of Presentation Up2date

30/38

Conepenetrationmethod

7/31/2019 Name of Presentation Up2date

31/38

SieveAnalysis

aproceduretoquantifythesizesandtypesofparticlespresentinaparticularsoil

sample.

Divide2categories,dryandwetsieveanalysis.

..

Canbeperformedoninorganicmaterials,suchasgravelsoraggregatemixturesaswell.

Butinthiscase,thesieveanalysisisusedperformedonsand(subbaded)andsoil.

7/31/2019 Name of Presentation Up2date

32/38

HowdoesitWorks??

Fordrysieving,thesamples(withfinesremoved)aredriedandshakenthrougha

meshofsievesofdecreasingsize.

isusedonlyforfinesoils.Soil

particlesareallowedtosettlefroma

suspension.Thedecreasingdensityofthesuspensionismeasuredattimeintervals.

7/31/2019 Name of Presentation Up2date

33/38

soilwetsieveanalysiso B.S1377:Part2:1990

sand(subbase)drysieveanalysia

o B.S812:Part103:1985

ThesizeofB.Ssievesize(mm)areusedinlabtest

25.00

4.75

2.00

0.425 0.075

7/31/2019 Name of Presentation Up2date

34/38

CBRTEST methodtoestimatethebearingvalueandthemechanicalstrengthofhighwaysub-basesandsubgrades.

Equipmentforthisprocedureconsistsofaplungerofstandarddimensions

B.S:1377:Part2:1990

7/31/2019 Name of Presentation Up2date

35/38

WhoItwork?

Thesoiliscompactedandruntotheplunge.

Pushedtothesoilsampleandthepressurerequiredtopenetratethesoilisrecorded

dividedbythepressurerequiredtoduplicatethetestonastandardcrushedstonematerialof100%CBR.

TheresultingnumberisthengivenasapercentageofCBR.(usingpenetrate1.30mm/min)

7/31/2019 Name of Presentation Up2date

36/38

TRIAXIALTEST

Todeterminetheshearstrengthofsoilusingtriaxialshearapparatus.

BS1377MethodsofTestforSoilsfor

CivilEngineeringPurposes

7/31/2019 Name of Presentation Up2date

37/38

Photo

7/31/2019 Name of Presentation Up2date

38/38

CONCLUSION

Knowmanysolutiontosolvesoilproblem.

Variousmethodofsoiltestingbased

onfieldtestandlaboratorytestcanbedetermined.

Characteristicsofsoilprofilecanbe

determined.