US3509948A - Pile driving system - Google Patents

Pile driving system Download PDF

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Publication number
US3509948A
US3509948A US761066A US3509948DA US3509948A US 3509948 A US3509948 A US 3509948A US 761066 A US761066 A US 761066A US 3509948D A US3509948D A US 3509948DA US 3509948 A US3509948 A US 3509948A
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United States
Prior art keywords
pile
housing
mass
pile driving
driven
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Expired - Lifetime
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US761066A
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English (en)
Inventor
Pierre Besnard
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GEN DU VIDE SOGEV SOC
GENERALE DU VIDE SOGEV SOC
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GEN DU VIDE SOGEV SOC
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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
    • E02D7/18—Placing by vibrating

Definitions

  • a housing for example suspended on a crane or on pile driving guides, has a vibrator suspended therein by means of springs.
  • the vibrator has an element movable in the direction to drive the pile and connect it thereto, as well as a reaction body.
  • a first spring supports the reaction body within the housing and a second spring supports the housing on the movable element of the vibrating mass, so that the vibrating mass is low, while the static load of the weight of the entire vibrator and housing presses the pile to be driven into the soil.
  • the present invention relates to pile driving systems, and more particularly to apparatus to secure posts, piles, pylons, poles and the like in the soil, and generally to place any heavy mass in the soil.
  • the static mass usually is formed by the weight of the entire pile driving assembly, and is also more or less entirely subjected to dynamic force.
  • a heavy weight permitted to drop or to vibrate with, or against the pile to be driven, is used.
  • the reaction of the heavy weight forms the useful force. It is also, however, applied to a large mass, so that the level of accelerating force applicable against the top pile is limited.
  • a movable element is directly connected to the pile or post to be driven, in order to transfer thereto the useful dynamic force.
  • a movable element, in form of a piston, with hydraulic vibrators, and the post to be driven, are the only elements of the machine which are subject to vibration, and thus to dynamic force.
  • the machine parts may be constructed so that they have only a small mass, small certainly with respect to the mass of the entire pile driving equipment, so that high accelerating forces can be developed.
  • the reaction mass of the equipment is applied to the piston by means of a resilient elastic element, such as springs, or air cushions, in order to provide a static downwardly directed load component to the pile to be driven without, however, having any appreciable vibration.
  • the vibrator itself is preferably a hydraulic machine, carrying an element movable in the direction of the mass to be driven into the soil, and connected thereto for example by a collar.
  • the reaction mass, within which the movable element is located, is retained in a housing by means of a first set of resilient springs, such as air cushions; the housing itself is supported on the movable element by a second set of resilient means such as air cushions or other springs.
  • the entire equipment may be supported for example by a cable from a construction crane, or may be guided on guide rails forming part of a battering ram.
  • FIG. 1 is a schematic vertical cross-sectional view of a pile driving system in accordance with the present invention
  • FIG. 2 is a schematic representation of a complete pile driving equipment mounted on a construction crane
  • FIG. 3 is a schematic illustration of pile driving equipment using a battering ram.
  • a housing 2 is supported from a cable 3.
  • Pile 1 is connected to movable element 5 by means of a collar 8.
  • the reaction mass is formed with a cylinder, shown as a pair of chambers 10, 11, within which a piston 9, connected to movable element 5, is slidable.
  • Resilient means such as air cushions 7, 7 (shown, for purposes of illustration, as springs in the drawing) support a reaction mass *6 within the housing 2.
  • a resilient element 4 which may again be an air cushion, or any other spring, from movable element 5.
  • Hydraulic connections to admit hydraulic fluid to chambers 10, 11, alternately, to effect vibration of element 5, are drilled into reaction mass 6; such connections, being wellknown, are not shown in the figure for simplicity.
  • FIG. 2 illustrates, schematically, an entire pile setting apparatus.
  • Housing 2 to which a pile 1 (shown schematically) is attached, is held by a cable 15 passing over a pulley 14, attached to a boom 13, on a traveling crane 12.
  • Traveling crane 12, as usual, will include a counterweight, motors, lifting and inclination controls for housing 2 and for the boom and the like.
  • Hydraulic supply 16 is connected by means of piping to the hydraulic vibrator in housing 2.
  • FIG. 3 illustrates a different arrangement to guide and place the piles to be driven.
  • housing 2 to which a pile 1 is attached, is suspended by a cable 15.
  • a battering ram having a motor 18, supplying both motive power for the entire equipment as well as for the hydraulic vibrator, is placed on a platform 17 running on track 19.
  • a pair of upright frames 20 are secured to platform 17 by linkage arms 21.
  • Uprights 20 are provided with parallel guide rails 27, to guide housing 2 in the direction in which the pile is to be set.
  • Housing 2 is lifted, or lowered, by cable 15, which passes through the notch of pulley assembly 23, secured to uprights 20 on a headpiece 24.
  • a lower guide 25 is placed at the bottom of uprights 20 in order to positively guide pile 1 to be driven.
  • Hydraulic supply 26 is connected by means of partly rigid, partly flexible tubing, to the hydraulic vibrator within housing 2.
  • the pile 1 to be driven are subject to vibration, so that high-accelerating forces can be developed.
  • This is possible due to the spring suspension of the vibrator within the housing.
  • the presence of the resilient elements within the housing permit uncoupling of housing 2 from the vibratory forces, thus avoiding metal fatigue of its components, as well as transfer of vibratory forces to the frame, or battering ram assembly holding housing 2 in position.
  • the reaction mass 6 is so dimensioned that it will have very little vibration itself, so that any vibration that it will be subjected to will be small and the amplitude thereof highly attenuated.
  • non-useful energy which has to be supplied by the hydraulic vibrator, is reduced and the efliciency of transfer of dyand resilient means interconnecting said vibrating means, said mass, and said housing,
  • said resilient means comprises a first resilient suspension means (7) supporting said reaction body (6) in said housing (2);
  • a second resilient suspension means (4) supporting said housing (2) and said resiliently supported reac-- tion body (6) therein on said movable element (5) of the vibrating means; and the mass of the vibrating element is small with respect to the mass of the housing and said reaction body whereby, upon vibration of said vibrating means, said movable element (5) and said mass to be driven will be vibrated, while static pressure will be applied by the weight of said housing, said reaction body and said vibrating means within said housing, and said reaction body is isolated from vibrations by said first and second resilient means.
  • said vibrating means is a hydraulic vibrator.
  • Pile driving system including a support crane supporting said housing.
  • Pile driving system including a pair of vertical guide rails (27), pulleys (23) at the top of said guide rails, and means supporting said housing from said pulleys, said housing being vertically slidable namic force tothe pile to be driven enhanced. Due to the dc-coupling of static masses from the vibratory element without reducing the vibratory effect on the pile itself, the speed of driving of the pile is increased.
  • the present invention has been described in connection with pile driving equipment used in heavy construction. Various changes and modifications may be made as determined by applications or uses, such as when driving well pipe or the like, within the scope of the invention concept.
  • the present invention is applicable to any objects to be driven into the ground, which will hereinafter, generically, be referred to as a mass.
  • Pile driving system for driving a mass into the ground, having a housing (2) a vibrating means (6, 9, 10, 11), having an element (5) movable in the direction of driving said mass and a reaction body (6);
  • said vibrating means comprises a cylinder chamber (9, 10) formed in said reaction y a piston (9) connected to said movable element (5) within said cylinder chamber, and fluid means alternately admitting fluid under pressure to opposite sides of-said piston in said cylinder chamber to vibrate said piston and with it said movable element (5) and said mass (1) to be driven.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
US761066A 1967-09-28 1968-09-20 Pile driving system Expired - Lifetime US3509948A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR122627A FR1544841A (fr) 1967-09-28 1967-09-28 Perfectionnements aux systèmes de suspension, des machines hydrauliques vibrantes, notamment pour le fonçage des pieux

Publications (1)

Publication Number Publication Date
US3509948A true US3509948A (en) 1970-05-05

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ID=8639178

Family Applications (1)

Application Number Title Priority Date Filing Date
US761066A Expired - Lifetime US3509948A (en) 1967-09-28 1968-09-20 Pile driving system

Country Status (6)

Country Link
US (1) US3509948A (enrdf_load_stackoverflow)
BE (1) BE721236A (enrdf_load_stackoverflow)
ES (1) ES358452A1 (enrdf_load_stackoverflow)
FR (1) FR1544841A (enrdf_load_stackoverflow)
GB (1) GB1233790A (enrdf_load_stackoverflow)
NL (1) NL6813595A (enrdf_load_stackoverflow)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4280558A (en) * 1979-11-23 1981-07-28 Bodine Albert G Sonic technique and system for facilitating the extraction of mineral material
US4506744A (en) * 1980-09-10 1985-03-26 Dawson Construction Plant Limited Pile hammer
US4890682A (en) * 1986-05-16 1990-01-02 Shell Oil Company Apparatus for vibrating a pipe string in a borehole
DE10030859A1 (de) * 2000-06-23 2002-01-03 Thyssenkrupp Ag Vibrator mit einer Linearantriebseinheit zur Einwirkung auf Rammgut
US6763897B2 (en) 2001-04-20 2004-07-20 Black & Decker Inc. Hammer
US20060289185A1 (en) * 2005-06-23 2006-12-28 Norbert Hahn Vibration dampening mechanism
EP1937929A1 (en) 2005-09-27 2008-07-02 Flexidrill Limited Drill string suspension
US20100089653A1 (en) * 2008-10-14 2010-04-15 Longyear Tm, Inc. Isolation system for drilling systems
US9415941B2 (en) 2014-08-14 2016-08-16 Key Technology, Inc Vibration generating assembly
US11338326B2 (en) * 2019-04-07 2022-05-24 Resonance Technology International Inc. Single-mass, one-dimensional resonant driver

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2424113C2 (de) * 1974-05-17 1984-12-20 Toyoda Kikai Kogyo K.K., Shizuoka Vibrationsramme zum Rammen und Ziehen von Pfählen od.dgl.
DE2732934C2 (de) * 1977-07-21 1985-09-12 Bomag-Menck GmbH, 5407 Boppard Verfahren und Vorrichtung zum Rammen und Ziehen
ATE31334T1 (de) * 1983-09-19 1987-12-15 Simson & Partner Vorrichtung zum rammen und ziehen.

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3168140A (en) * 1956-02-20 1965-02-02 Jr Albert G Bodine Method and apparatus for sonic jarring with fluid drive
US3215209A (en) * 1960-12-09 1965-11-02 Desvaux Jacques Device for acting on piles, tubing, sheet-piling and the like
US3394766A (en) * 1966-03-11 1968-07-30 Lebelle Jean Louis Apparatus for emplacing elongated rigid members into the soil selectively in a vibratory mode or in a percussive mode

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3168140A (en) * 1956-02-20 1965-02-02 Jr Albert G Bodine Method and apparatus for sonic jarring with fluid drive
US3215209A (en) * 1960-12-09 1965-11-02 Desvaux Jacques Device for acting on piles, tubing, sheet-piling and the like
US3394766A (en) * 1966-03-11 1968-07-30 Lebelle Jean Louis Apparatus for emplacing elongated rigid members into the soil selectively in a vibratory mode or in a percussive mode

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4280558A (en) * 1979-11-23 1981-07-28 Bodine Albert G Sonic technique and system for facilitating the extraction of mineral material
US4506744A (en) * 1980-09-10 1985-03-26 Dawson Construction Plant Limited Pile hammer
US4890682A (en) * 1986-05-16 1990-01-02 Shell Oil Company Apparatus for vibrating a pipe string in a borehole
DE10030859A1 (de) * 2000-06-23 2002-01-03 Thyssenkrupp Ag Vibrator mit einer Linearantriebseinheit zur Einwirkung auf Rammgut
US6763897B2 (en) 2001-04-20 2004-07-20 Black & Decker Inc. Hammer
US20060289185A1 (en) * 2005-06-23 2006-12-28 Norbert Hahn Vibration dampening mechanism
US7451833B2 (en) * 2005-06-23 2008-11-18 Black & Decker Inc. Vibration dampening mechanism
EP1937929A1 (en) 2005-09-27 2008-07-02 Flexidrill Limited Drill string suspension
US20100089653A1 (en) * 2008-10-14 2010-04-15 Longyear Tm, Inc. Isolation system for drilling systems
US8474547B2 (en) * 2008-10-14 2013-07-02 Longyear Tm, Inc. Isolation system for drilling systems
US9415941B2 (en) 2014-08-14 2016-08-16 Key Technology, Inc Vibration generating assembly
US11338326B2 (en) * 2019-04-07 2022-05-24 Resonance Technology International Inc. Single-mass, one-dimensional resonant driver

Also Published As

Publication number Publication date
ES358452A1 (es) 1970-05-16
GB1233790A (enrdf_load_stackoverflow) 1971-05-26
BE721236A (enrdf_load_stackoverflow) 1969-03-24
FR1544841A (fr) 1968-11-08
NL6813595A (enrdf_load_stackoverflow) 1969-04-01

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