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    Grundlagen der Horizontalbohrtechnik

    Grundlagen der Horizontalbohrtechnik

    Autoren:

    Verlag:
    Vulkan Verlag   Weitere Titel dieses Verlages anzeigen

    Auflage: 2., Aufl
    Erschienen: Dezember 2007
    Seiten: 272
    Sprache: Deutsch
    Preis: 44.00 €
    Illustration: zahl. Abb. u. Bilder
    Maße: 214x149x19
    Einband: Taschenbuch
    ISBN: 9783802753251

    Inhaltsverzeichnis

    Inhalt
    Vorwort zur 2. Auflage5
    1.Einleitung13
    1.1Was bedeutet HDD?13
    1.2Der prinzipielle Ablauf einer Horizontalbohrung14
    1.2.1Pilotbohrung14
    1.2.2Aufweitvorgang (Räumen)14
    1.2.3Einziehvorgang15
    1.3Anwendungsgebiete des HDD-Verfahrens16
    2.Geologie17
    2.1Der Baugrund19
    2.1.1Klassifizierung von Boden und Fels19
    2.1.2Klassifizierung nach DIN19
    2.1.3Klassifizierung nach Härteskalen26
    2.1.4Abrasivität29
    2.1.5Fest- und Lockergesteine30
    2.2Geotechnische Untersuchungen30
    2.2.1Vorerkundungsmaßnahmen31
    2.2.2Aufschlussverfahren32
    2.2.2.1Lokale Aufschlüsse32
    2.2.2.2Schürfgruben32
    2.2.2.3Sondierbohrungen / Rammkernsondierungen32
    2.2.2.4Bohrungen mit durchgehender Gewinnung von Bodenproben32
    2.2.2.5Ramm- und Drucksondierung33
    2.2.2.6Geophysikalische Verfahren34
    2.2.3Zusammenfassung der Aufschlussverfahren39
    2.3Bodenkennwerte39
    2.3.1Korngrößenverteilung DIN 1812339
    2.3.2Ungleichförmigkeitszahl und Krümmungskoeffizient DIN 1819640
    2.3.3Lagerungsdichte DIN 1812641
    2.3.4Zustandsform DIN 1812241
    2.3.5Wassergehalt DIN 1812142
    2.3.6Quellverhalten DIN 1813242
    2.3.7Bodenwichte42
    2.3.8Kohäsion DIN 1813743
    2.3.9Durchlässigkeit43
    2.3.10Einaxiale Druckfestigkeit bei Festgesteinen DIN 1813643
    2.3.11Scherfestigkeit DIN 1813743
    2.3.12Quarzanteil43
    2.3.13Chemische Zusammensetzung43
    2.4Baugrundrisiko44
    2.5Kalkulationsfaktor Baugrund46
    3.Produktenrohre49
    3.1Stahlrohre49
    3.1.1Einleitung49
    3.1.2Lieferbedingungen und Ausführungen50
    3.1.2.1Benennung von Stahlsorten50
    3.1.2.2Stahlrohrausführungen51
    3.1.2.3Kennwerte von Stahl von Stahlrohren52
    3.1.2.4Längenbezogene Massen52
    3.1.3Rohrverbindungen und Rohrendenausführungen54
    3.1.3.1Schweißverbindung54
    3.1.3.2Steckmuffenverbindungen58
    3.1.4Umhüllung, Ummantelung und Auskleidung von Stahlrohren60
    3.1.4.1Polyethylen-Umhüllungen61
    3.1.4.2Ummantelungen62
    3.1.4.3Auskleidungen62
    3.1.4.4Nachumhüllung von Verbindungen63
    3.2Kunststoffrohre64
    3.2.1Einleitung64
    3.2.2Eigenschaften64
    3.2.3Benennung von PE-Rohren65
    3.2.4Belastbarkeit68
    3.2.4.1Zugkräfte68
    3.2.4.2Abrieb69
    3.2.5Verbindungen69
    3.2.5.1Verbindungslose Rohre70
    3.2.5.2Schweißverbindungen70
    3.3Duktiles Gusseisen72
    3.3.1Einleitung72
    3.3.2Verbindungstechnik73
    3.3.2.1Steckmuffenverbindungen73
    3.3.2.2Längskraftschlüssige Verbindungen73
    3.3.3Außenschutz74
    3.3.4Einbauverfahren75
    3.3.4.1Rohrstrangeinzug75
    3.3.4.2Rohreinzeleinzug76
    3.3.5Technisches Regelwerk77
    3.3.6Zusammenfassung und Vorteile81
    3.4Andere Materialien und Anwendungen82
    3.4.1Kabel82
    3.4.2Fernwärmerohre83
    4.Gerätetechnik87
    4.1Bohranlage88
    4.2Komponenten einer Bohranlage96
    4.2.1Spülungspumpen96
    4.2.2Spülungsanmischanlage99
    4.2.3Aufbereitungsanlage102
    4.2.3.1Feststoffkontrolle102
    4.2.3.2Anordnung der Geräte103
    4.3Bohrstrang110
    4.3.1Bohrgestänge110
    4.3.1.1Bohrgestängerohre111
    4.3.1.2Gestängeverbinder113
    4.3.1.3Inspektion des Bohrgestänges116
    4.3.1.4Einteilung von Bohrgestängen nach API117
    4.3.1.5Übergänge118
    4.4Bohrwerkzeuge118
    4.4.1Werkzeuge für die Pilotbohrung118
    4.4.1.1Arbeitsweise der Bohrwerkzeuge118
    4.4.1.2Werkzeuge für den hydraulischen Abbau120
    4.4.1.3Werkzeuge für den mechanischen Abbau128
    4.4.1.4Sonstige Pilotbohrwerkzeuge134
    4.4.2Werkzeuge zum Aufweiten des Bohrloches137
    4.4.2.1Arbeitsweise der Aufweitwerkzeuge139
    4.4.3Spezialwerkzeuge141
    4.4.4Werkzeuge für den Einziehvorgang144
    5.Bohrspülungstechnologie147
    5.1Einleitung147
    5.2Aufgaben einer Bohrspülung147
    5.2.1Hydraulische Lösearbeit und Reinigung an der Ortsbrust mittels Düsenstrahl147
    5.2.2Schmierung des Bohrstrangs und Kühlen der Meißelrollen148
    5.2.3Bohrkleintransport durch den Ringraum nach übertage148
    5.2.4Bohrlochstabilisierung149
    5.2.5Antrieb von hydraulisch betriebenen Mudmotoren150
    5.3Aufbau einer Bohrspülung150
    5.3.1Flüssige Phase152
    5.3.2Bentonitspülungen153
    5.3.3Polymeraktivierte Bentonitspülungen155
    5.3.4Polymere156
    5.3.5Inerte Feststoffe158
    5.3.6Sonstige Zuschlagstoffe159
    5.4Spülungseigenschaften162
    5.4.1Klassifizierung162
    5.5Spülungsuntersuchungen166
    5.6Spezielle Spülungen172
    5.6.1Selbsterhärtende Bohrspülungen172
    5.6.1.1Aufbau einer selbsterhärtenden Bohrspülung172
    5.6.1.2Verfahrensweise173
    5.6.1.3Anwendung173
    6.Ortung im HDD175
    6.1Ortung und Steuerung175
    6.2Ortungsverfahren176
    6.2.1Walk-Over-Verfahren176
    6.2.1.1Neigungsmesser (Inklinometer)178
    6.2.1.2Meißelstellung in Drehrichtung (Toolface)178
    6.2.1.3Sender (Oszillator)178
    6.2.1.4Signalempfang179
    6.2.1.5Voraussetzungen179
    6.2.2Wire-Line-Verfahren181
    6.2.2.1Azimut182
    6.2.2.2Inklination183
    6.2.2.3Voraussetzung184
    6.2.2.4Unterstützendes Messverfahren186
    6.2.3Kreiselkompass190
    6.3Zusammenfassung der Mess- und Steuerverfahren191
    6.4Paralleles Bohren193
    6.5Ausblick194
    6.5.1Optische Winkel- und Längenmessung194
    6.5.2Spülungsdruckpulsverfahren195
    6.5.3Formationsortung196
    7.Planung einer Horizontalbohrmaßnahme197
    7.1Allgemeines197
    7.2Baugrunderkundung197
    7.3Planunterlagen200
    7.4Geometrie einer Bohrung200
    7.4.1Geologische Aspekte202
    7.4.2Ein- und Austrittspunkt202
    7.4.3Länge der Bohrung204
    7.4.4Überdeckung205
    7.4.5Krümmungsradius206
    7.4.5.1Minimal zulässiger Biegeradius des Bohrgestänges207
    7.4.5.2Minimal zulässiger Biegeradius des Produktenrohres207
    7.4.6Bohrungswinkel/-radien212
    7.4.7Berechnung der Bohrlinie212
    7.4.7.1Zweidimensionale Berechnung212
    7.4.7.2Dreidimensionale Berechnung215
    7.4.8Überschnittfaktor216
    7.4.9Oberbogen217
    7.5Weitere planerische Aspekte221
    7.5.1Bohrparameter221
    7.5.2Einziehvorgang222
    7.6Genehmigungsverfahren224
    7.7Bauzeitenplan225
    8.Durchführung einer Horizontalbohrmaßnahme227
    8.1Baustellen-Arbeitsvorbereitung228
    8.2Baustelleneinrichtung und -räumung228
    8.3Bohrarbeiten230
    8.3.1Pilotbohrung230
    8.3.2Aufweitvorgang233
    8.3.3Einziehvorgang234
    8.4Rohrbauarbeiten237
    8.5Abnahme239
    8.6Dokumentation241
    9.Qualitätssicherung245
    9.1Qualitätssicherung durch DVGW-Zertifizierung245
    9.1.1Personelle Voraussetzungen246
    9.1.2Gerätetechnische Voraussetzungen247
    9.1.3Formale Voraussetzungen247
    9.2Qualitätssicherung nach ISO 9001247
    9.3Qualitätssicherung durch das Regelwerk SCC248
    9.4Qualitätssicherung durch unterstützende Software249
    10.Weitere HDD-Anwendungen251
    10.1Horizontalfilterbrunnen und -drainagen251
    10.2Zusammenführung von HDD und Microtunneling252
    10.3HDDD - Horizontal Dry Directional Drilling254
    10.4Grabenloser Kabelaustausch255
    10.5Freispiegelkanäle255
    Literaturverzeichnis257
    Anhang265
    Beispiel eines Bautageberichtes265
    Beispiel eines Bohrprotokolls266
    Beispiel eines Bohrspülungsberichtes267
    Beispiel eines Rohrbuches268
    Beispiel eines Schweißprotokolls269
    Inserentenverzeichnis271