EP0567507B1 - Verfahren und Vorrichtung zum Errichten und Abbauen von leichten Brücken - Google Patents

Verfahren und Vorrichtung zum Errichten und Abbauen von leichten Brücken Download PDF

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Publication number
EP0567507B1
EP0567507B1 EP92902877A EP92902877A EP0567507B1 EP 0567507 B1 EP0567507 B1 EP 0567507B1 EP 92902877 A EP92902877 A EP 92902877A EP 92902877 A EP92902877 A EP 92902877A EP 0567507 B1 EP0567507 B1 EP 0567507B1
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EP
European Patent Office
Prior art keywords
poles
bridge
flushing
bridge section
pole
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP92902877A
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English (en)
French (fr)
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EP0567507A1 (de
Inventor
Frede Andresen Petersen
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Individual
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Individual
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Publication of EP0567507A1 publication Critical patent/EP0567507A1/de
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
    • E02D7/24—Placing by using fluid jets
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E01D19/02—Piers; Abutments ; Protecting same against drifting ice
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H17/00—Fencing, e.g. fences, enclosures, corrals
    • E04H17/26—Devices for erecting or removing fences

Definitions

  • the present invention relates to a method of establishing light bridges or similar structures that are carried by poles mounted in the sea bottom.
  • the erection of light bridges is an age-old craft, based on the ramming down of poles and in a variety of manners using these poles as carriers for longitudinal side members which, in turn, act as carriers for some upper step surface elements such as cross boards.
  • the pole ramming work and some other mounting work is effected from the sea side, purely manually or with the aid of a sea carried ramming and working platform, when the work is done by professionals.
  • the invention is especially linked with the professional trade of establishing the light bridges, using suitable auxiliaries, so it is relevant to consider the more recent development in this field.
  • a major contribution over the past several years has been to avoid the ramming down of the poles and instead using an easier and quicker flushing down technique, whereby a flushing spear is used for easing the pole down into the ground, pressurised water being sent out through the lower end of the spear.
  • the spear which is usable for flushing down both pipe poles and wooden poles, is moved into the ground together with the pole, only with the spear point located slightly beneath the lower end of the pole, such that the material underneath the pole end is currently flushed away so as to condition a particularly easy and rapid working down of the pole.
  • the poles may be taken up by utilising their upper connector ends for connection with a hose supplied with compressed air or pressurised water, as it is then possible to take up the otherwise rigidly mounted poles with a minimum of labour and equipment, such that the bridge may be taken in for the winter and re-established by spring in a rather easy manner.
  • the invention provides for a new and advantageous bridge mounting method as specified in claim 1, enabling a single operator to build out the bridge with the use of suitably prepared poles and bridge elements and without any assistance from the sea side.
  • a simple crane structure is used for successively supporting each new bridge element at its mounting place, whereby the operator uses this element as a working platform for flushing down the proper poles therefor.
  • An inverted method can be used for the dismounting of the bridge, with the crane supporting each outermost bridge element while the poles thereof are pressed up as described above.
  • the invention comprises a relevant construction system as specified in claim 6.
  • Fig. 1 illustrates a sea bottom, in which a tubular pole 2 is flushed down by means of an upper connection hose 4 to a water pump (not shown), which may well be a centrifugal pump, as the required pressure is not particularly high.
  • a water pump (not shown), which may well be a centrifugal pump, as the required pressure is not particularly high.
  • the bottom material will pack around the pole, which will then be able to stand in a stable manner when the depth of the flushing down is reasonably large; with the use of pipes of a diameter of 5-7.5 cm (2-3 inches) the depth should of course be somewhat larger than in case of thick wooden poles, typically of the magnitude 1-3 m.
  • the use of foot plates on the poles for contacting the sea bottom will greatly stabilise the poles and ensure a high carrying capacity.
  • FIG. 2 In fig. 2 is shown such a pipe pole 2, the upper end of which is connected with the hose 4 by means of a suitable connector 6. At its lower end the pipe 2 is terminated by simple cutting, which will provide for a sufficient flushing effect for poles that should only be driven down to a depth of some 1.5 m, of course depending on the type of the bottom material. For larger depths it is recommendable to utilise a stronger flushing effect, which will not necessarily require a stronger pump, as it is obtainable merely by using a narrower nozzle opening 8 on the pipe pole 2, as shown in Fig. 2b. This opening may even be supplemented by an annular row of outwardly and downwardly directed nozzle openings 10 as shown in Fig. 2c; it has been found that poles with such a design are suitable for driving down to the depth range of 1.5 - 2.5 m.
  • pipe poles can be used, which, as shown in Figs. 2d and 2e, have a lower funnel shaped end member 12 that is vertically reciprocal on an axial guiding rod 14 relatively to the lower rigid end of the pole; hereby the said beat movements will occur in a more firm manner between the pipe pole 2 and the funnel member 12, this resulting in a still harder beat effect that is advantageous when the pole is driven down to a depth larger than e.g. 2.5 m.
  • Fig. 3 illustrates an initial building out of a bridge, by which it has been possible from the shore side to flush down the first set of pipe poles 2 for receiving a first, preferably prefabricated bridge element 16, which is fastenable to the upstanding poles by the use of any suitable type of fastening fittings.
  • the pole 2 may carry a horizontal bottom support plate 18 that will determine the intrusion depth and stabilise the pole against tilting and thus reduce the need of a deep intrusion of the pole in the ground.
  • a crane 20 is mounted on the fixed bridge element 16, the crane having a jig 22 that is usable for carrying a further bridge element 16', which, as shown in Fig. 5, will be outwardly displaced into a suspended position adjacent the end of the bridge, in which position this element is used as a working platform for the flushing down of an additional pair of pipe poles 24 by means of a water pump 26 sucking water from the lake or sea water.
  • the bridge element 16' is secured thereto, still from above and by the labour of but a single operator, and thereafter the bridge can be built further out with the use of more bridge elements as shown in Fig. 6. is

Claims (7)

  1. Ein Verfahren zum Errichten leichter Brücken, Plattformen und ähnlicher auf Pfählen getragener Bauwerke, umfassend das Auswählen oder das Bereitstellen rohrförmiger Pfahlelemente (2) in erforderlicher Länge, das Aufstellen der Pfähle auf dem Meeresboden unter Anwendung des Einspülprinzips und die Montage der Brückenteile (16') in Verbindung mit den Pfählen, gekennzeichnet durch folgende Schritte:
    - Errichten eines anfänglichen, ersten Brückenteils (16), das über den Wasserspiegel bzw. die Wasserlinie hinausragt;
    - Befestigen einer Krankonstruktion (20, 22), die sich über das äupere Ende des Brückenteils sowohl nach innen als auch nach aupen hinauserstreckt, am äuperen Ende dieses Brückenteils (16),
    - Transportieren eines zweiten Brückenteils (16') zu der Krankonstruktion und Verbinden desselben mit Hebezeug der Krankonstruktion (20, 22);
    - Hochziehen des zweiten Brückenteils (16') und Verlagern desselben - an der Krankonstruktion (20, 22) hängend - in eine Position gerade auperhalb des freien Endes des ersten Brückenteils (16),
    - Verwenden des derart verlagerten Brückenteils (16') als Arbeits-Plattform zum Einpülen der eigentlichen Pfähle (2) dieses Brückenteils,
    - dabei Verwenden der Pfähle selbst, um ihr eigenes Einspülen durch Drücken von Spülwasser durch zentrale oder äupere Kanalmittel der Pfähle zu bewirken,
    - Befestigen desselben Brückenteils (16') an den eingespülten Pfählen (2), und
    - Bewegen der Krankonstruktion (20, 22) zum äuperen Ende dieses Brückenteils (16') für einen erneuten Montagevorgang, soweit erforderlich.
  2. Ein Verfahren nach Anspruch 1, bei dem innere Ende des neuen Brückenteils (16') an dem äuperen Ende des ersten Teils (16) befestigt wird und neue Pfähle (2) nur als ein Pfahlpaar in der Nähe des äuperen Endes des neuen Brükkenteils (16') montiert werden.
  3. Ein Verfahren nach Anspruch 1, bei dem die Pfähle einfache Rohrstücke (2) sind, die entsprechend den individuellen Erfordernissen, wie sie durch die Wassertiefe an der betreffenden Montagestelle gegeben sind, auf Länge geschnitten werden.
  4. Ein Verfahren nach Anspruch 1 oder 3, bei dem die Pfahlstücke (2) entsprechend der gewünschten Eindringtiefe in den Meeresboden und der Wassertiefe an der betreffenden Montagestelle in der Länge individuell angepapt und in der betreffenden Position an dem einzelnen Pfahlstück (2) mit einer mit dem Meeresboden in An- bzw. Eingriff zu bringenden Querplatte (18) versehen werden.
  5. Ein Verfahren nach Anspruch 1, aber zur Durchführung in umgekehrter Weise für ein Bergen der Brücke durch Nacheinander-Aufnehmen der äußersten Pfähle (2) unter Anwendung ihrer Spülkanäle zum Herunterbringen von Druckluft oder eines Wasserstroms.
  6. Ein Bausystem zur Errichtung leichter Brücken mit Hilfe des Verfahrens nach Anspruch 1, umfassend in Kombination
    - eine Anzahl an den Enden zu verbindender Brückenteile (16, 16'),
    - eine Anzahl Tragpfähle (2) mit zentralen oder externen Kanalmitteln zum Hindurchführen von Spülwasser vom Kopf zum Boden des Pfahls,
    - eine Wasserpumpe (26), die mit dem Kopf des Pfahles (2) wirkverbunden wird, um Spülwasser zu einem Bodenauslap desselben zu pumpen, und
    - eine Krankonstruktion (20, 22), die in Verbindung mit dem äuperen Ende eines äupersten Brückenteils montierbar ist, um ein neues Brückenteil (16' aufnehmen zu können und dieses Teil nach aupen in eine Position vor dem vorhergehenden äupersten Brückenteil (16) zu tragen, und zwar mit einer Tragkapazität, die zur Nutzung des neuen Brückenteils (16') als Arbeitsplattform zum Einspülen der betreffenden Pfähle (2) ausreicht, die danach mit dem Teil (16') zu verbinden sind.
  7. Ein System nach Anspruch 6, bei dem die Pfähle (2) mit betreffenden Längenabschnitten jeweils über bzw. unter dem Meeresboden vorbereitet sind und mit Quer-Fußplatten-Mitteln (18) versehen sind, die sich jeweils in Positionen entsprechend einer gemessenen oder angenommenen Tiefe des Meeresbodens befinden.
EP92902877A 1991-01-14 1992-01-14 Verfahren und Vorrichtung zum Errichten und Abbauen von leichten Brücken Expired - Lifetime EP0567507B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DK6391A DK6391D0 (da) 1991-01-14 1991-01-14 Fremgangsmaade og udstyr til neddrivning og optagning af lette paele og til bygning af lette broer
DK63/91 1991-01-14
PCT/DK1992/000011 WO1992012295A1 (en) 1991-01-14 1992-01-14 Method and equipment for working down and taking up light poles and for building light bridges

Publications (2)

Publication Number Publication Date
EP0567507A1 EP0567507A1 (de) 1993-11-03
EP0567507B1 true EP0567507B1 (de) 1997-12-10

Family

ID=8089313

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92902877A Expired - Lifetime EP0567507B1 (de) 1991-01-14 1992-01-14 Verfahren und Vorrichtung zum Errichten und Abbauen von leichten Brücken

Country Status (7)

Country Link
EP (1) EP0567507B1 (de)
AU (1) AU1170592A (de)
DE (1) DE69223503T2 (de)
DK (2) DK6391D0 (de)
ES (1) ES2112899T3 (de)
GR (1) GR3026300T3 (de)
WO (1) WO1992012295A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996021770A1 (en) * 1995-01-11 1996-07-18 Frede Andresen Petersen Method and equipment for establishing preferably temporary activity areas in or close to cities
DE102007055109A1 (de) * 2007-11-16 2009-05-28 Bilfinger Berger Ag Verfahren und eine Vorrichtung zur Errichtung einer Brücke sowie eine Pfahlführung für die Gründung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE512785C (de) * 1930-11-17 Friedrich Wilhelm Lang Dipl In Spuelrohr mit Spuelkopf zum Einspuelen von Pfaehlen
GB398354A (en) * 1932-10-20 1933-09-14 Walter Taylor Improvements relating to steel driving piles for use in forming building foundations in water beds and the like
JPS54155607A (en) * 1978-04-06 1979-12-07 Hisaharu Nakashima Method of pile driving construction to base rock
US4637758A (en) * 1982-03-11 1987-01-20 Kabushiki Kaisha Komatsu Seisakusho Method of driving hollow piles into the ground
US4761096A (en) * 1987-02-24 1988-08-02 Lin Sheng S Universal footing with jetting system
DE3726472A1 (de) * 1987-08-08 1989-02-16 Dyckerhoff & Widmann Ag Verfahren zum absenken eines rohrfoermigen gruendungselementes sowie vorrichtung zum durchfuehren des verfahrens

Also Published As

Publication number Publication date
DE69223503T2 (de) 1998-07-09
ES2112899T3 (es) 1998-04-16
WO1992012295A1 (en) 1992-07-23
DK0567507T3 (da) 1998-08-24
AU1170592A (en) 1992-08-17
DK6391D0 (da) 1991-01-14
DE69223503D1 (de) 1998-01-22
GR3026300T3 (en) 1998-06-30
EP0567507A1 (de) 1993-11-03

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