Buderus Manual on Trenchless Installation of Ductile Cast ... - Duktus

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Areas of application, advantages and reference installations The disturbed soil that is left on the surface after the pipeline has been pulled in (Fig. .17) is smoothed down again with a digger. These are some other advantages of the rocket plough technique: • low installation costs compared with conventional techniques • short installation times • no removal of top-soil required • space required for making the run is not very wide (up to about six metres) • there is no mixing of soils • depths of installation of up to two metres. A feature which needs to be stressed is the speed of installation which can be achieved: it is generally between two and seven metres a minute. Table .1 shows some of the pipeline installation projects which have been carried out in recent years with the rocket plough technique. Table .1: Excerpt from the list of reference installations entitled „Ploughing-in of ductile cast iron pipes“ No. Location Nominal Size Length 1 Laue-Poßdorf (near Delitzsch) 200 1.2 8 m 2 Impfingen 1 0 797 m 3 Hergenstadt 1 0 2. 00 m Untersollbach 1 0 2.037 m 73
The rocket plough technique 6.7 Reference documents [ .1] DVGW Arbeitsblatt GW 32 (Entwurf /0 ) – Fräs- und Pflugverfahren für Gas- und Wasserrohrleitungen; Anforderungen, Gütesicherung und Prüfung [Cutting and ploughing techniques for gas and water pipelines; requirements, quality assurance and testing] [ .2] ATV-DVWK-Merkblatt M 1 0 Fräs- und Pflugverfahren für den Einbau von Abwasserleitungen und -kanälen, Oktober 2003 [Cutting and ploughing techniques for the installation of sewage pipes and conduits, October 2003] [ .3] DIN EN 1 2: Rohre, Formstücke und Zubehör aus duktilem Gusseisen – Zementmörtelumhüllung von Rohren – Anforderungen und Prüfverfahren, Sept. 200 [Ductile iron pipes, fittings and accessories – External cement mortar coating for pipes – Requirements and test methods] [ . ] DIN 30 72: Organische Umhüllungen für den Korrosionsschutz von in Böden und Wässern verlegten Rohrleitungen für Dauerbetriebstemperaturen bis 0° C ohne kathodischen Korrosionsschutz – Bänder und schrumpfende Materialien, Dez. 2000 [External organic coatings for the corrosion protection of buried and immersed pipelines for continuous operating temperatures up to 0°C – Tapes and shrinkable materials, Dec. 2000] 7
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1. Introduction Introduction When t
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Buderus Ma
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At x 100 magnification, these graph
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10 3 kp cm Fig. 2.7 Steel Ductile G
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Fig. 2.11 How the pipes are produce
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2.3 Development in the joint-making
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joints is DVGW Arbeitsblatt GW 3 8
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Longitudinal force-fit joints and t
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Longitudinal force-fit joints and t
Page 24 and 25: 2.3.2 Making the BLS ® joint Makin
Page 26 and 27: Fig. 2.21 Left lock Catch Right loc
Page 28 and 29: 2.4 Inside and outside protection I
Page 30 and 31: Inside and outside protection the c
Page 32 and 33: Reference documents [2.8] Gaebelein
Page 34 and 35: General What is said above is true
Page 36 and 37: Other pluses that the two technique
Page 38 and 39: Fig. 3.5 Hydraulic unit The press-p
Page 40 and 41: 3.2 The auxiliary pipe technique Th
Page 42 and 43: In the final stage of the operation
Page 44 and 45: 3.4 Requirements for the site Requi
Page 46 and 47: Reference documents
Page 48 and 49: Both the variants of the burst lini
Page 50 and 51: During the pulling process, the tra
Page 52 and 53: 4.3.2 Joints As in virtually all tr
Page 54 and 55: Reference documents 3
Page 56 and 57: Fig. 5.3 Assembly of the string of
Page 58 and 59: the outlet nozzles. In rocky soils,
Page 60 and 61: 5.3 General requirements Companies
Page 62 and 63: A prerequisite for this procedure i
Page 64 and 65: Table .1 provides an overview of th
Page 66 and 67: Installations Nominal size DN lengt
Page 68 and 69: Reference documents [ . ] DVGW Arbe
Page 70 and 71: Fig. 6.2 Traction vehicle Fig. 6.3
Page 72 and 73: 6.4 Joints The longitudinal force-f
Page 76 and 77: Reference documents 7
Page 78 and 79: 7. 2 A description of the technique
Page 80 and 81: Buderus Giesserei
Page 82 and 83: Fig. 7.8 Pushing in a pipe A descri
Page 84 and 85: 7.5 Reference installations No. Loc
Page 86 and 87: [7. ] Rink, W.: Langrohrrelining mi
Page 88 and 89: In the second step, the pilot is up
Page 90 and 91: 8.3 Outside protection Outside prot
Page 92 and 93: 8.6 Reference documents [8.1] Richt
Page 94 and 95: A consideration of the economics of
Page 96 and 97: A consideration of the economics of
Page 98 and 99: [9.2] DVGW-Hinweis W 09: Auswirkung
Page 100 and 101: BLS ® restrained joint DN 80 to DN
Page 102 and 103: Technical data sheets 101
Page 104 and 105: General Pipes must not be: • drop
Page 106 and 107: Filling in the pipe pit DN 80 - DN
Page 108 and 109: DN 80 - DN 00 BLS ® joints There m
Page 110 and 111: Use of clamping ring joints DN 80 -
Page 112 and 113: Notice on assembly DN 80 - DN 00 BL
Page 114 and 115: Retrospective application of weldin
Page 116 and 117: 11.2 Installation instructions for
Page 118 and 119: Inserting the locking segments DN 0
Page 120 and 121: Angular deflection DN 00 - DN 1000
Page 122 and 123: Disconnecting BLS ® joint disconne
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Shrink-on devices and protective ta
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ZMU Before a pipe is cut, the ZMU s
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ZMU 127
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Buderus Manual on Trenchless Installation of Ductile Cast ... - Duktus

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