NL2006722C2 - Vibratory pile driver and drill assembly. - Google Patents
Vibratory pile driver and drill assembly. Download PDFInfo
- Publication number
- NL2006722C2 NL2006722C2 NL2006722A NL2006722A NL2006722C2 NL 2006722 C2 NL2006722 C2 NL 2006722C2 NL 2006722 A NL2006722 A NL 2006722A NL 2006722 A NL2006722 A NL 2006722A NL 2006722 C2 NL2006722 C2 NL 2006722C2
- Authority
- NL
- Netherlands
- Prior art keywords
- pile
- drill
- assembly
- driving device
- vibratory
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 11
- 238000005553 drilling Methods 0.000 claims description 10
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 230000008901 benefit Effects 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
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
- E02D7/26—Placing by using several means simultaneously
-
- 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
-
- 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
- E02D7/28—Placing of hollow pipes or mould pipes by means arranged inside the piles or pipes
Landscapes
- 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)
Description
Vibratory pile driver and drill assembly
The invention relates to a vibratory pile driver and drill assembly.
5 Vibratory pile drivers and drills are both known from practice and may be used in combination for sinking piles into the ground, in particular when the pile must be passed into or through hard or rocky ground. The disadvantage of using a combination of two machines: a vibratory pile 10 driver and a drill, is that one machine must be removed before the second can be brought in and used, thus changeover is time-consuming and thus also costly.
It is also known in practice to use a machine that can operate as either a vibratory pile driver or a drill, 15 however switching between these two operational modes typically involves removing one set of operating gear and replacing it with another and is thus again both time consuming and costly.
It is the object of the present invention to over-20 come these disadvantages by providing a vibratory pile driver and drill assembly: a single machine comprising a vibratory pile driver and a drill. The vibratory pile driver and drill may be operated independently, simultaneously and/or in a preferred embodiment, cooperatively. With the vibratory pile 25 driver and drill assembly of the invention, change-over time between vibrating and drilling is tremendously reduced, thus saving time and money. This is particularly beneficial when the pile is placed in the ground off-shore. Another benefit of the invention compared to the conventional method whereby 30 the piles are hammered into the ground is that noise, and in water, shock waves, emanating from the pile-driver are drastically reduced. The magnitude of the shock waves produced by conventional pile driving are known to be sufficient to cause the death of marine life up to several hundred meters from 35 the pile-driving site. From an environmental aspect, reducing the intensity of shock waves emanating from the pile driving site is thus an important advantage. When the vibratory pile driver and drill assembly of the invention is used in populated areas on land or in inland water areas, reducing the 40 noise output of the pile driving operation is also desirable 2 to minimise disturbance to the local population.
In a first aspect of the invention, the vibratory pile driver of the vibratory pile driver and drill assembly is provided with at least one vibratory system. In a pre-5 ferred embodiment, said vibratory system comprises at least one vibration block equipped with at least one axle, with at least one rotatable eccentric weight for the generation of a vibration. Under particular circumstances, for example when the vibratory pile driver and drill assembly is to be used to 10 sink large piles into the ground and vibration of the pile places high demand on the amount of power to be used, it may be preferable to apply a vibratable system comprising multiple vibration blocks that operate concertedly. Such a system is known from patent application number NL 2002804 in the 15 name of the applicant.
In order for the pile to be efficiently vibrated, the vibratory system is preferably mountable to the pile. The means for mounting the vibratory system to the pile is conveniently provided by a clamp or clamps.
20 Ip a second aspect of the invention, the drill com prises a drilling rig, a drill string and a bottom hole assembly, which may, for example, be used in rocky ground when vibrating does not suffice to sink the pile into the ground. To provide this purpose, the drill string and bottom hole as-25 sembly preferably have dimensions such that they are passable inside a hollow pile being sunk into the ground by the vibratory pile driver and drill assembly. The bottom hole assembly preferably further comprises a main body, at least one spacer and a drill head. The purpose of the at least one spacer is 30 to maintain the main body of the bottom hole assembly in the centre of the hollow pile such that it can drill down in the direction in which the hollow pile is being sunk.
In a third aspect of the invention, the drill is mounted to the vibratory pile driver. Preferably, the drill 35 is mounted to the vibratory pile driver and drill assembly such that in use the drill string runs along the long-axis of a pile being sunk into the ground such that the bottom hole assembly can drill a hole in the ground at the centre of the hollow pile. Thus when the vibratory pile driver and drill 3 assembly are being used to drive a hollow pile into the ground, the vibratory pile driver and the drill may be used cooperatively, increasing the speed with which the pile may be driven into the ground and allowing it to pass through 5 hard or rocky ground through which the pile would not otherwise easily penetrate.
In a fourth aspect of the invention, the vibratory pile driver and drill assembly is mountable or mounted to a vehicle or vessel allowing it to be easily transported; it is 10 envisaged to use the vibratory pile driver and drill assembly both on land and at sea.
In a fifth and final aspect of the invention, a method is provided for driving a hollow pile into the ground with a vibratory pile driver and drill assembly comprising a 15 sequence including the following steps: i. positioning the vibratory pile driver and drill assembly above a pile or hollow pile; ii. mounting a vibratory system of the vibratory pile driver and drill assembly to a pile or hollow pile; 20 iii. vibrating the vibratory system such that the pile or hollow pile sinks into the ground.
iv. dismounting and removing the vibratory pile driver from a pile or hollow pile.
25 In a preferred embodiment of the method, when the vibratory pile driver and drill are in use to drive a hollow pile, the sequence further includes the steps of: -passing a bottom hole assembly inside the hollow pile and, 30 - drilling a hole in the ground in the centre of the hollow pile.
The steps are conveniently performed consecutively between steps ii and iv. The step of drilling a hole in the ground in the centre of the hollow pile may either be per-35 formed continuously while step iii is being carried out, or only as necessary to overcome a layer of ground that is rocky or which cannot otherwise easily be penetrated by vibrating the pile alone.
The invention will hereinafter be further eluci- 4 dated with reference to the drawings of Figures 1-3 and which are not limiting of the appended claims. Similar components in the figures carry identical reference numbers.
In the drawings: 5 -Figure 1 shows a front view of a preferred embodi ment of the vibratory pile driver and drill assembly; -Figure 2 shows a side view of a preferred embodiment of the vibratory pile driver and drill assembly; -Figure 3 shows a preferred embodiment of a method 10 for sinking a hollow pile into the ground with a vibratory pile driver and drill assembly.
Wherever in the figures the same reference numerals are applied, these numerals refer to the same parts.
Figures 1 and 2 show front and side views of a pre-15 ferred embodiment of the vibratory pile driver and drill assembly (1) comprising: a vibratory system (2) comprising a vibrating block or blocks (3) having axels (4) with rotatable eccentric weights (5); clamps (6) to connect a pile to the vibratory system; a drill (7) comprising a drill rig (8), a 20 drill string (9) and a bottom hole assembly (10), said bottom hole assembly further comprising a main body (11), spacer elements (12) and a drilling head (13). Such an embodiment is particularly suited for use off-shore and it is envisaged to mount the vibratory pile driver and drill assembly (1) to a 25 vessel or floating rig; this could for example be used in the construction of off-shore wind farms.
Figure 3 shows a preferred embodiment of a method for sinking a hollow pile into the ground using the vibratory pile driver and drill assembly of Figures 1 and 2.
30 In step A, the vibratory pile driver and drill as sembly (1) are made ready for operation with the bottom hole assembly (10) suspended by the drilling line (9) below the drilling rig (7) such that it is displaced centrally between the clamps (6).
35 In step B, the vibratory pile driver and drill as sembly (1) is placed on the hollow pile (14) and is secured via the clamps (6), with the bottom hole assembly (10) inside the hollow pile (14). The spacers (12) of the bottom hole assembly serve to position the bottom hole assembly such that 5 the drill string (9) runs along the long-axis (Y) of the hollow pile (14).
In step C, the vibratory system (2) of the vibratory pile driver and drill assembly (1) is activated and the 5 hollow pile begins to be sunk into the ground.
At a certain point a layer of rocky ground may be reached that cannot be penetrated by vibrating alone. At this point, as shown in step D, the bottom hole assembly (10) can be lowered until it contacts the ground at the centre of the 10 pile (X). The drill (7) is then started. The drill (7) is preferably a rotary drill.
Once the rocky layer has been penetrated, step E i.e. vibrating is again commenced.
Once the required depth has been reached, as shown 15 in step F, the vibratory pile driver and drill (1) is dismounted and removed from the hollow pile (14), at which point the process can be commenced anew with another pile.
An alternative to the sequence of steps C-E, is to use the drill (7) and vibratory pile driver (1') simultane-20 ously. In particular when the ground is hard, this could offer the advantage of accelerating the process of sinking a pile into the ground thus again leading to saving in both time and money.
Claims (15)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL2006722A NL2006722C2 (en) | 2011-05-05 | 2011-05-05 | Vibratory pile driver and drill assembly. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL2006722A NL2006722C2 (en) | 2011-05-05 | 2011-05-05 | Vibratory pile driver and drill assembly. |
| NL2006722 | 2011-05-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL2006722C2 true NL2006722C2 (en) | 2012-11-06 |
Family
ID=44640866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL2006722A NL2006722C2 (en) | 2011-05-05 | 2011-05-05 | Vibratory pile driver and drill assembly. |
Country Status (1)
| Country | Link |
|---|---|
| NL (1) | NL2006722C2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109403859A (en) * | 2018-12-04 | 2019-03-01 | 湖北三峡职业技术学院 | Countryside portable drilling system |
| WO2023062061A1 (en) | 2021-10-13 | 2023-04-20 | Gbm Works B.V. | A detachable fluidisation device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2418301A1 (en) * | 1978-02-27 | 1979-09-21 | Cegeo Cie Etu Geotechniques | Mounting movable tools on tubes partic. in offshore petroleum mining - incorporates means of adjusting working position along tube and fixing it where required |
| DE3913313A1 (en) * | 1989-04-19 | 1990-10-25 | Weiss Karl Hoch Tief | Vertical column attached to hydraulic excavator - adjustable mounting for hydraulic vibration rammer and drilling machine and immediate change-over between the two |
| NL9101747A (en) * | 1991-10-18 | 1993-05-17 | Poot Simon | Device for positioning posts (pillars, stakes), in particular foundation pillars for greenhouses, in the ground |
| US5733068A (en) * | 1994-06-27 | 1998-03-31 | Reinert, Sr.; Gary L. | Metal foundation push-it and installation apparatus and method |
-
2011
- 2011-05-05 NL NL2006722A patent/NL2006722C2/en active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2418301A1 (en) * | 1978-02-27 | 1979-09-21 | Cegeo Cie Etu Geotechniques | Mounting movable tools on tubes partic. in offshore petroleum mining - incorporates means of adjusting working position along tube and fixing it where required |
| DE3913313A1 (en) * | 1989-04-19 | 1990-10-25 | Weiss Karl Hoch Tief | Vertical column attached to hydraulic excavator - adjustable mounting for hydraulic vibration rammer and drilling machine and immediate change-over between the two |
| NL9101747A (en) * | 1991-10-18 | 1993-05-17 | Poot Simon | Device for positioning posts (pillars, stakes), in particular foundation pillars for greenhouses, in the ground |
| US5733068A (en) * | 1994-06-27 | 1998-03-31 | Reinert, Sr.; Gary L. | Metal foundation push-it and installation apparatus and method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109403859A (en) * | 2018-12-04 | 2019-03-01 | 湖北三峡职业技术学院 | Countryside portable drilling system |
| CN109403859B (en) * | 2018-12-04 | 2024-02-09 | 湖北三峡职业技术学院 | Portable field drilling system |
| WO2023062061A1 (en) | 2021-10-13 | 2023-04-20 | Gbm Works B.V. | A detachable fluidisation device |
| NL2029399B1 (en) * | 2021-10-13 | 2023-05-11 | Gbm Works B V | A detachable fluidisation device |
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