Verfügbarkeit: Contributions to the numerical modelling of vibratory pile driving in saturated soil

Contributions to the numerical modelling of vibratory pile driving in saturated soil:

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Bibliographische Detailangaben
1. Verfasser:	Chrisopoulos, Stylianos (VerfasserIn)
Format:	Abschlussarbeit Buch
Sprache:	English
Veröffentlicht:	Karlsruhe [Institut für Bodenmechanik und Felsmechanik am Karlsruher Institut für Technologie (KIT)] 2018
Schriftenreihe:	Veröffentlichungen des Institutes für Bodenmechanik und Felsmechanik am Karlsruher Institut für Technologie (KIT) Heft 184
Schlagworte:	Weicher Boden Bodenmechanik Hochschulschrift
Online-Zugang:	Inhaltsverzeichnis Inhaltsverzeichnis
Beschreibung:	iv, 168 Seiten Illustrationen, Diagramme 21 cm

Internformat

MARC


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Datensatz im Suchindex

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adam_text	CONTENTS 1 INTRODUCTION 1 1.1 M OTIVATION.............................................................................................................. 1 1.2 O UTLINE.................................................................................................................... 3 1.3 N O TA TIO N ................................................................................................................. 4 2 IMPLEMENTATION OF A USER-DEFINED FINITE ELEMENT IN ABAQUS/ STANDARD 5 2.1 INTRODUCTIO N ........................................................................................................... 5 2.2 DESCRIPTION OF THE TWO PHASE M IX TU R E ............................................................... 7 2.3 KINEMATICS ........................................................................................................... 8 2.4 BASIC E Q U A TIO N S .................................................................................................... 10 2.4.1 CONSERVATION OF M A S S ............................................................................... 10 2.4.2 BALANCE OF M O M E N TU M ........................................................................... 12 2.5 STRONG FORM OF THE GOVERNING E Q U A TIO N S............................................................ 13 2.6 WEAK FORM OF THE GOVERNING EQUATIONS............................................................... 16 2.7 FINITE ELEMENT D ISCRETISATION............................................................................... 18 2.7.1 AXISYMMETRIC A N A LY S IS ........................................................................... 19 2.7.2 PLANE STRAIN A N A LY S IS ............................................................................... 20 2.8 TIME DISCRETISATION AND SOLVING PROCEDURE ...................................................... 21 2.9 NUMERICAL INTEGRATION........................................................................................... 25 2.10 USER-DEFINED ELEMENT AND C O N T A C T ..................................................................... 31 2.10.1 DEFINITION UND DISCRETISATION OF CONTACT S U R FA C E S ................................ 31 2.10.2 CONTACT C O N D ITIO N S ................................................................................ 32 2.11 VISUALISATION OF COMPUTATIONAL RE S U LTS ................................................................ 33 2.12 NUMERICAL VERIFICATION OF THE USER-DEFINED ELE M E N T........................................... 35 2.12.1 SPHERICALLY SYMMETRIC BOUNDARY VALUE PROBLEM ................................. 36 2.12.2 STRIP FOOTING BOUNDARY VALUE P RO B LEM ................................................... 39 2.13 CLOSING RE M A RK S...................................................................................................... 40 3 FE-MODELLING OF THE EFFECTS OF VIBRATORY PILE DRIVING IN SATURATED SOIL 43 3.1 S U M M A R Y ............................................................................................................... 43 3.2 IN TRO D U CTIO N ............................................................................................................ 44 3.3 BOUNDARY VALUE P RO B LE M ...................................................................................... 45 3.3.1 GEOMETRY AND MESH DISCRETISATION......................................................... 46 3.3.2 BOUNDARY C O N D ITIO N S............................................................................... 46 3.3.3 CONSTITUTIVE MODEL FOR THE S O IL ............................................................... 48 3.3.4 INITIAL C O N D ITIO N S ..........................................................................................49 3.3.5 ABSORBING BOUNDARIES ............................................................................ 50 3.3.6 CALCULATION SCHEMA AND PARAMETERS FOR THE NUMERICAL SIMULATIONS . 53 3.3.7 SMALL STRESS CORRECTION AND VISCOUS STRE SSE S........................................... 54 3.4 NUMERICAL R E S U LTS .................................................................................................. 55 3.4.1 MEAN EFFECTIVE S T R E S S ............................................................................... 55 3.4.2 EVOLUTION OF STRESS AND PORE P RE S S U RE ................................................... 59 3.4.3 TOTAL MEAN STRESS A M P LITU D E ................................................................... 62 3.4.4 SOIL DISPLACEMENTS .................................................................................. 65 3.5 CONSIDERATION OF PENETRATION EFFECTS USING A ZIPPER-TYPE M O D E L.........................66 3.5.1 NUMERICAL R E S U LTS ....................................................................................... 68 3.6 CLOSING RE M A RK S..................................................................................................... 74 CONTENTS III 4 VIBRATION-INDUCED STRESS CHANGES IN SATURATED NON-COHESIVE SOIL: A PILE-WALL PROBLEM 75 4.1 IN TRODUCTIO N ........................................................................................................... 75 4.2 FORMULATION OF THE BOUNDARY VALUE PROBLEM .................................................. 78 4.2.1 FIRST BOUNDARY VALUE P RO B LE M ............................................................... 80 4.2.2 SECOND BOUNDARY VALUE P RO B LE M ............................................................ 81 4.3 CONSTITUTIVE MODELS FOR THE S O I L ........................................................................ 82 4.3.1 HIGH CYCLE ACCUMULATION M O D E L ............................................................ 82 4.3.2 LINEAR ELASTIC MODEL ............................................................................... 87 4.4 NUMERICAL IMPLEMENTATION OF THE BOUNDARY VALUE PROBLEM ......................... 88 4.5 VALIDATION OF THE COUPLING ALGORITHM ............................................................... 91 4.6 PARAMETERS FOR THE CALCULATIONS AND DISCRETISATION OF THE PILE-WALL PROBLEM 93 4.7 NUMERICAL R E S U LTS ................................................................................................. 96 4.8 CLOSING RE M A RK S.......................................................................................................102 5 NUMERICAL SIMULATION OF PILE INSTALLATION IN MODEL TESTS 103 5.1 INTRODUCTIO N ............................................................................................................. 103 5.2 EXPERIMENTAL M ODELING.......................................................................................... 105 5.2.1 MODEL TEST C O N C E P T.................................................................................... 105 5.2.2 FROM HALF TO FULL MODEL P RO B LEM ............................................................106 5.3 CONSTITUTIVE MODEL AND SOIL P ARAM ETERS .............................................................. 107 5.4 SIMPLIFIED FINITE ELEMENT M ODEL...........................................................................108 5.5 OBSERVATIONS FROM FE SIM ULATIONS........................................................................I L L 5.6 COMPARISON OF FE- AND EXPERIMENTAL R E S U LTS .....................................................114 5.7 ENHANCED FE M O D E L ............................................................................................. 117 5.8 COMPARISON OF NUMERICAL AND EXPERIMENTAL RE S U LTS ........................................... 120 5.8.1 HYPOPLASTICITY AND CYCLIC TRIAXIAL ELEMENT TE S TS ...................................... 126 5.9 CLOSING RE M A RK S.......................................................................................................129 6 NUMERICAL SIMULATION OF PILE INSTALLATION IN MODEL TESTS INCLUDING LARGE PENETRATION EFFECTS 131 6.1 IN TRO D U CTIO N .............................................................................................................. 131 6.2 CONCEPT OF MODEL T E S T S ........................................................................................... 132 6.3 TEST MATERIAL, CONSTITUTIVE MODEL AND SOIL P A RA M E TE RS ..................................... 133 6.4 NUMERICAL M O D E L .....................................................................................................134 6.5 COMPARISON OF FE- AND EXPERIMENTAL R E S U LTS ..................................................... 135 6.6 CLOSING RE M A RK S........................................................................................................ 147 7 SUMMARY - ZUSAMMENFASSUNG 149 7.1 S U M M A R Y ................................................................................................................. 149 7.2 ZUSAMMENFASSUNG.....................................................................................................151 BIBLIOGRAPHY 162 APPENDIX A 163 A .L HYPOPLASTIC CONSTITUTIVE MODEL FOR THE S O I L ....................................................... 163 APPENDIX B 165
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spelling	Chrisopoulos, Stylianos Verfasser (DE-588)1163844322 aut Contributions to the numerical modelling of vibratory pile driving in saturated soil von Stylianos Chrisopoulos Karlsruhe [Institut für Bodenmechanik und Felsmechanik am Karlsruher Institut für Technologie (KIT)] 2018 iv, 168 Seiten Illustrationen, Diagramme 21 cm txt rdacontent n rdamedia nc rdacarrier Veröffentlichungen des Institutes für Bodenmechanik und Felsmechanik am Karlsruher Institut für Technologie (KIT) Heft 184 Dissertation Karlsruher Institut für Technologie (KIT) 2017 Weicher Boden (DE-588)4274350-3 gnd rswk-swf Bodenmechanik (DE-588)4007385-3 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Bodenmechanik (DE-588)4007385-3 s Weicher Boden (DE-588)4274350-3 s DE-604 Veröffentlichungen des Institutes für Bodenmechanik und Felsmechanik am Karlsruher Institut für Technologie (KIT) Heft 184 (DE-604)BV004410524 Heft 184 B:DE-101 application/pdf http://d-nb.info/1165014246/04 Inhaltsverzeichnis DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=030782965&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis
spellingShingle	Chrisopoulos, Stylianos Contributions to the numerical modelling of vibratory pile driving in saturated soil Veröffentlichungen des Institutes für Bodenmechanik und Felsmechanik am Karlsruher Institut für Technologie (KIT) Weicher Boden (DE-588)4274350-3 gnd Bodenmechanik (DE-588)4007385-3 gnd
subject_GND	(DE-588)4274350-3 (DE-588)4007385-3 (DE-588)4113937-9
title	Contributions to the numerical modelling of vibratory pile driving in saturated soil
title_auth	Contributions to the numerical modelling of vibratory pile driving in saturated soil
title_exact_search	Contributions to the numerical modelling of vibratory pile driving in saturated soil
title_full	Contributions to the numerical modelling of vibratory pile driving in saturated soil von Stylianos Chrisopoulos
title_fullStr	Contributions to the numerical modelling of vibratory pile driving in saturated soil von Stylianos Chrisopoulos
title_full_unstemmed	Contributions to the numerical modelling of vibratory pile driving in saturated soil von Stylianos Chrisopoulos
title_short	Contributions to the numerical modelling of vibratory pile driving in saturated soil
title_sort	contributions to the numerical modelling of vibratory pile driving in saturated soil
topic	Weicher Boden (DE-588)4274350-3 gnd Bodenmechanik (DE-588)4007385-3 gnd
topic_facet	Weicher Boden Bodenmechanik Hochschulschrift
url	http://d-nb.info/1165014246/04 http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=030782965&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA
volume_link	(DE-604)BV004410524
work_keys_str_mv	AT chrisopoulosstylianos contributionstothenumericalmodellingofvibratorypiledrivinginsaturatedsoil

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