Changes for page Sample quality class
Last modified by TerraIndex TerraIndex on 2021/09/30 15:20
edited by TerraIndex TerraIndex
on 2021/05/20 13:13
on 2021/05/20 13:13
edited by TerraIndex TerraIndex
on 2021/05/20 13:11
on 2021/05/20 13:11
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... ... @@ -18,34 +18,33 @@ 18 18 |=QM2|Layering, internal layering, consistency, field humidity are all intact and unchanged 19 19 |=QM3|Layering, internal layering, field humidity are all intact and unchanged 20 20 |=QM4|Layering is intact and unchanged 21 -|=QM5|((( 22 -Layering is not intact and changed 23 -))) 21 +|=QM5|Layering is not intact and changed 24 24 25 -= S ample quality classes by theBRO=23 +== Sub-paragraph == 26 26 27 - Ideally,onewouldalways want toexamine the subsurfacein-situ,but in practice, one examinessamples from the subsurface andthat meansthat thereis inevitably somedegree of disturbance. The degree of disturbanceis primarily determinedby thechoice of drillingtechnique, sampling methodandsampling device. Becausethecompositionof the soilis also of influence,itmaybenecessarytoadjust the choice if the type of soilturnsout to be differentfromwhat wasassumed. The samplingqualityindicateswithinwhich limitstheprimarydegreeof disturbancelies. In theNEN-EN-ISO 22475 aclassificationinto five classes is given and foreach classit isdeterminedhowthesamples mustbetreatedonce they have come above the ground.The lowest requirementsapplytosampleswhosecohesionisalready completelydisturbedwhenthey come above ground. Ineverydayspeech, thosesamplesarecalledstirredsamples.The four otherclassesdescribethe requirements forhandlingofundisturbedsamples. The reasontorecordthedataishatnotall samples takeninthefieldarealways analyzedasa part of the drilling study.The classesare describedbelow.25 +Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum. 28 28 29 -== ClassA==27 +== Sub-paragraph == 30 30 31 - Samplingis aimed at obtainingundisturbedsamples andavoidingirreversiblechangesinhestressstate.Immediatelyaftersampling,thesamplesare packedairtightto preventoxidation asmuchas possible.Inthisclassthesamplesarestoredandtransportedinledsamplecontainersofsufficientstrength topreventdamageandmoistureloss. Whenthesamplesarestoredon site,duringtransportand in thelaboratorythetemperatureneedsobe between 8and 12 degrees Celciusandthehumidityneeds tobeatleast90%.The samplecontainersarealso protectedfromvibrationandshocks duringtransport.29 +Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum. 32 32 33 -== ClassB==31 +=== Sub-sub paragraph === 34 34 35 - Samplingis aimed at obtainingundisturbedsampleswherechangesinhestressstate are tolerated.Immediatelyaftersampling,thesamplesare packagedairtightto preventoxidation asmuchaspossible.Thesamplesarestoredandtransportedinledsamplecontainersofsufficientstrength topreventdamageandmoisture loss. Thesamplecontainersareprotectedfromvibration, shocks and extremetemperature.33 +Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum. 36 36 37 -=== Class C == 38 38 39 - Samplingisaimed at obtaining samples where the stratification and the internal structure are preserved. Immediately after sampling, the samples are packaged airtight toprevent oxidation as muchaspossible. The samples are stored and transported in sealed sample containers of sufficient strength to prevent damage and moisture loss.36 += Paragraph 2 = 40 40 41 - ===Class D==38 +Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum. 42 42 43 - Samplingis aimed at obtaining samples where stratification is preserved. Immediately after sampling, the samples are packaged airtight toprevent oxidation as muchas possible. The samples can be collected and stored in PVC or metal sample containers.40 +== Sub-paragraph == 44 44 45 - ===Class E==42 +Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum. 46 46 47 - Samplingis aimed at getting a good impression of the composition of the subsoil. No specialrequirementsapply. Thesamples can be collected and stored in sample containers, bags, jars, etc.44 +== Sub-paragraph == 48 48 46 +Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum. 47 + 49 49 = References = 50 50 51 51 * [[XWiki>>http://www.xwiki.org]] ... ... @@ -54,8 +54,8 @@ 54 54 55 55 (% class="col-xs-12 col-sm-4" %) 56 56 ((( 57 - 58 58 57 + 59 59 (% class="box" %) 60 60 ((( 61 61 **Contents**