PRACTICAL1GauravTandonPCRCT我L1Gaurav经脉

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1、DEPARTMENTOFCIVILENGINEERINGDATE:PRACTICAL:1INTRODUCTIONTOSURVEYINGINSTRUMENTSPAGENO:DEPARTMENTOFCIVILENGINEERINGDATE:1.INTRODUCTIONTOSURVEYINGINSTRUMENTSObject:TostudyvariousSurveyingInstrumentsa)InstrumentsUsedforLinearMeasurementsChainorTapeArrowsPegsRangingRodsOffs

2、etRodsPlumbBobOpticalSquareLineRangerb)InstrumentsUsedinAngularMeasurementsPrismaticCompassSurveyorsCompassc)InstrumentsUsedinVerticalMeasurementsLevelingStaffDumpyLevelTheodolited)InstrumentsUsedforMeasurementofarea.PlanimeterPAGENO:DEPARTMENTOFCIVILENGINEERINGDAT

3、E:PAGENO:DEPARTMENTOFCIVILENGINEERINGDATE:PAGENO:DEPARTMENTOFCIVILENGINEERINGDATE:PAGENO:DEPARTMENTOFCIVILENGINEERINGDATE:PAGENO:DEPARTMENTOFCIVILENGINEERINGDATE:PAGENO:DEPARTMENTOFCIVILENGINEERINGDATE:PAGENO:DEPARTMENTOFCIVILENGINEERINGDATE:CONCLUSION:ASSIGNMENT:Q1)Enli

4、stusesofabovementionedSurveyingInstruments:GRADE:SIGNATURE:PAGENO:DEPARTMENTOFCIVILENGINEERINGDATE:PRACTICAL:2CHAININGANDOFFSETTAKINGPAGENO:DEPARTMENTOFCIVILENGINEERINGDATE:CHAINAGEDIAGRAMPAGENO:DEPARTMENTOFCIVILENGINEERINGDATE:2.CHAININGANDOFFSETTAKINGOBJECT:Tomeasurehoriz

5、ontaldistancebetweentwopointsbychainingandtotakeperpendicularoffsetsINSTRUMENTS:MetricChain,Tape,Rangingrods,Arrows,CrossStaff,Lineranger,OpticalSquare.PROCEDURE:Twochainmenarerequiredinthisprocess.ThechainmenarecalledasLeaderandfollower.Thechainmanattheforwardendofthechai

6、niscalledleaderandchainmanatthezeroorrearendofthechainiscalledasfollower.FixstationAandBatsomedistancebyfixingwoodenpegtodeterminehorizontaldistancebetweenthem.PositionofstationA,andBisfixedbymeasuringtheirpositionfromatleastthreepermanentobjectsandlocationsketchofstation

7、Aandbaredrawn.ThefollowerholdsonehandleofthechainincontactwithpegatstationA.Theleadertakestheotherhandleofthechain,arrowsandrangingrod&walksintheforwarddirectiondraggingchainwithhim.Afterthechainisstretchedcompletelyalongthelinethefollowerstepsononesideofthelinewiththera

8、ngingrodtouchingthehandle.Thefollowerdirectstheleadertostandexactlyintheline.Thel