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page 2ENV 1997-1:1994
Foreword11.11.1.11.1. 21.1. 31.21.31.41.51. 5.11. 5.21.61.71.81. 8.11. 8.21. 8.31. 8.4
22.12.22.32.42.4.12.4.22.4.32.4.42.4.52.4.62.52.62.72.8
33.13.23.2.13.2.23.2.33.33.3.13.3.23.3.33.3.43.3.53.3.63.3.73.3.83.3.93.3.10
Contents
IGENERAL I .., ,Scope ~.Scope of Eurocode 7·Scope of Part I of Eurocode 7Further Parts of Eurocode 7ReferencesDistinction between PrincipIes and Application RulesAssumptionsDefinitionsTerms common to alI EurocodesSpecial terms used in Eurocode 7S.l. unitsSymbols common to alI EurocodesSymbols used in Eurocode 7Latin upper case lettersLatin Iower case lettersGreek Iower case lettersSubscripts
, ' .,, ; ~-~. =. ''',:,
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BAS1S OF GEOTECHNICAL DESIGNDesign requirementsDesign situationsDurabilityGeotechnical design by calculationlntroductionActions in geotechnical designGround propertiesDesign strength of structural materiaIsGeometrical dataLimiting values for movementsDesign by prescriptive measuresLoad tests and tests on experimental modelsThe observational methodThe Geotechnical Design Report
GEOTECHNICAL DATAGeneralGeotechnical investigationslntroductionPreliminary investigationsDesign investigationsEvaluation of geotechnica1 parametersGeneralCharacterization of soil and rock typeUnit weightRelative densityDegree of compactionUndrained shear strength of cohesive soi1sEffective shear strength parameters for soilsSoil stiffnessQuality and properties of rocks and rock massesPermeabi1ity and consolidation parameters
page
69999
1010101011111111111112121212
131315161616172123232324252525
2727272728283030313232323233333435
3.3.113.3.12
3.3.133.3.143.3.153.43.4.13.4.2
44.14.24.2.14.2.24.2.34.34.3.14.3.24.44.54.6
55.15.25.35.3.15.3.25.3.35.3.45.45.5
66.16.26.36.46.56.5.16.5.26.5.36.5.46.5.56.66.6.16.6.26.76.8
77.17.27.37.3.17.3.27.4
page 3ENV 1997-1:1994
Cone parametersB10w count from standard penetration tests and dynamicprobingPressuremeter parametersDi1atometer parametersCompactibilityGround Investigation ReportPresentation of geotechnica1 informationEva1uation of geotechnical information
SUPERVISION OF CONSTRUCTION, MONITORING AND MAINTENANCEGeneral requirementsSupervisionP1an of supervisionInspection and contro1Assessment of the designChecking ground conditionsSoi1 and rockGroundwaterChecking constructionMonitoringMaintenance
FILL, DEWATERING, GROUND IMPROVEMENTGeneralFundamental requirementsFi1l constructionPrincip1esSelection of fi11 materialSe1ection of fill placement and compaction proceduresChecking the fil1DewateringGround improvement and reinforcement
SPREAD FOUNDATIONSGeneralLimit statesActions and design situationsDesign and construction considerationsUltimate limit state designOverall stabi1ityBearing resistance fai1ureFai1ure by slidingLoads with large eccentricitiesStructural failure due to foundation movementServiceability limit state designSettlementVibration analysisFoundations on rock: Additiona1 design considerationsStructural design
PILE FOUNDATIONSGeneralLimit statesActions and design situationsGeneralActions due to ground displacementDesign methods and design considerations
36
36363737373738
404041414141424242434445
46464646464748484950
52525252525353535456565657585859
60606060606062
page 4ENV 1997-1:1994
7.4.17.4.27.57.5.17.5.27.5.37.5.47.67.6.17.6.27.6.37.6.47.77.7.17.7.27.7.37.87.8.17.8.27.8.37.97.10
88.18.28.38.3.18.3.28.3.38.48.58.5.18.5.28.5.38.5.48.5.58.5.68.68.6.18.6.28.6.38.6.48.6.58.6.68.6.78.78.7.18.7.28.7.38.7.48.88.8.18.8.28.8.38.8.48.8.58.8.6
Design methodsDesign considerationsPile load testsGeneralStatic load testsDynamic load testsLoad test reportPiles in compressionLimit state designOverall stabilityBearing resistanceSettlement of pile foundationsPiles in tensionGeneralUltimate tensile resistanceVertical displacementTransversely loaded pilesGeneralUltimate transverse load resistanceTransverse displacementStructural design of pilesSupervision of construction
62626363646566666667677272727375767676777778
RETAINING STRUCTURESGeneralLimit statesActions, geometrical data and design situationsActionsGeometrical dataDesign situationsDesign and construction considerationsDetermination of earth and water pressuresDesign earth pressuresAt rest values of earth pressureLimit values of earth pressureIntermediate values of earth pressureCompaction effectsWater pressuresUltimate limit state designGeneralOverall stabilityFoundation failure of gravity wallsRotational failure of embedded wallsVertical failure of embedded wallsStructural failureFailure by pull-out of anchorsServiceability limit stateGeneralDisplacementsVibrationsStructuralserviceability limit statesAnchoragesScopeAnchorage designConstruction considerationsAnchorage testingAssessment testsAcceptance tests
8080808181828383858586868787878888888989909193949494949495959596969798
8.8.7
99.19.29.39.49.59.5.19.5.29.5.39.5.49.5.59.5.69.69.7
ANNEXES
page 5ENV 1997-1:1994
Supervision of construction and monitoring 98
EMBANKMENTS AND SLOPES 100General 100Limit states 100Actions and design situations 100Design and construction considerations 101U1timate 1imit state design 101Loss of overa11 stabi1ity 101Deformations 102Superficial erosion, interna1 erosion and hydraulic uplift 102Rocks1ides 103Rockfa11s 103Creep 103Serviceabi1ity 1imit state design 103Monitoring 104
ANNEX A: CHECK LIST FOR CONSTRUCTION SUPERVISION AND PERFORMANCEMONITORING 105A.1 Construction supervision 105A. 1.1 General items to be checked 105A.1.2 Water f'Lovand pore pressures 105A.2 Performance monitoring 106
I
ANNEX B: A SAMPLE ANALYTICAL METHOD FOR BEARING RESISTANCECALCULATIONB.1 GeneralB.2 Undrained conditionsB.3 Drained conditions
107107107108
ANNEX C: A SAMPLE SEMI-EMPIRICAL METHOD FOR BEARING RESISTANCEESTIMATION 109
ANNEX D:D.1D.2D.3D.4D.5
SAMPLE METHODS FOR SETTLEMENT EVALUATIONStress-strain methodAdjusted e1asticity methodSett1ements without drainageSett1ements caused by consolidationTime-sett1ement behaviour
110110110111111111
ANNEX E: A SAMPLE METHOD FOR DERIVING PRESUMED BEARING RESISTANCE FORSPREAD FOUNDATIONS ON ROCK 112
ANNEX F: A SAMPLE CALCULATION MODEL FOR THE TENSILE RESISTANCE OFINDIVIDUAL OR GROUPED PILES 115
ANNEX G: SAMPLE PROCEDURES TO DETERMINE LIMIT VALUES OFEARTH PRESSURE 117
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