CN112095601A - Steel pipe pile pipe bottom hammering construction method - Google Patents
Steel pipe pile pipe bottom hammering construction method Download PDFInfo
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- CN112095601A CN112095601A CN202010996714.8A CN202010996714A CN112095601A CN 112095601 A CN112095601 A CN 112095601A CN 202010996714 A CN202010996714 A CN 202010996714A CN 112095601 A CN112095601 A CN 112095601A
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- pile
- steel pipe
- cylindrical hammer
- pointed
- construction method
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- 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
- E02D7/02—Placing by driving
- E02D7/06—Power-driven drivers
- E02D7/08—Drop drivers with free-falling hammer
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/24—Prefabricated piles
- E02D5/28—Prefabricated piles made of steel or other metals
- E02D5/285—Prefabricated piles made of steel or other metals tubular, e.g. prefabricated from sheet pile elements
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/72—Pile shoes
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- 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
- E02D7/02—Placing by driving
- E02D7/06—Power-driven drivers
- E02D7/14—Components for drivers inasmuch as not specially for a specific driver construction
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- 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
- E02D7/02—Placing by driving
- E02D7/06—Power-driven drivers
- E02D7/14—Components for drivers inasmuch as not specially for a specific driver construction
- E02D7/16—Scaffolds or supports for drivers
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- Engineering & Computer Science (AREA)
- Structural Engineering (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)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a steel pipe pile pipe bottom hammering construction method, which comprises the following steps: lifting the cylindrical hammer to a preset height by using a pulley assembly; the cylindrical hammer is separated from the pulley assembly to freely fall, and the pile base fixedly arranged in the steel pipe pointed pile is impacted by the potential energy of the cylindrical hammer, so that the steel pipe pointed pile is driven into the ground; and repeatedly executing the lifting and free falling processes of the columnar hammer to enable the steel pipe pointed pile to be driven into the soil gradually. The invention utilizes the pulley assembly to lift the cylindrical hammer to a certain height and then suddenly loosen the cylindrical hammer, the cylindrical hammer freely falls down and impacts the pile base by the self potential energy to enable the steel pipe pointed pile to move downwards, thereby being applicable to the working conditions that the site is very narrow and the pile driver can not enter, and also being applicable to the condition that the existing house foundation can not embed an anchor rod or the house self weight can not provide the counter force of pile pressing.
Description
Technical Field
The invention relates to the technical field of engineering construction, in particular to a steel pipe pile pipe bottom hammering construction method.
Background
As is known, piling construction requires a certain physical space, and the site required by a common small piling device is 20m2Since the height of the space is generally about 15m, the construction of the pile foundation can be performed only in an open place. A construction method for the static pressure pile of anchor rod features that the anchor rod is embedded in the foundation of existing building and the pile is pressed in by the counterforce of foundationIn the soil. But the required area of the field is at least 1.5m2As described above, in the case where the anchor cannot be embedded in a brick foundation or the like, or the weight of the superstructure is insufficient to provide a sufficient reaction force, the anchor static pressure pile cannot be implemented, and therefore, a hammering construction method for the bottom of the steel pipe pile is required.
Disclosure of Invention
The invention aims to provide a steel pipe pile tube bottom hammering construction method, which aims to solve the problems that the field is narrow and the foundation reaction force cannot be provided in the prior art, can be constructed in a very narrow space and is not limited by the height of the field space.
The invention provides a steel pipe pile pipe bottom hammering construction method, which comprises the following steps:
lifting the cylindrical hammer to a preset height by using a pulley assembly;
enabling the cylindrical hammer to be separated from the pulley assembly to fall freely, and impacting a pile base fixedly arranged in the steel pipe pointed pile by means of self potential energy to drive the steel pipe pointed pile into the ground;
and repeatedly executing the lifting and free falling processes of the cylindrical hammer to enable the steel pipe pointed pile to be driven into the soil gradually.
The steel pipe pile pipe bottom hammering construction method as described above, wherein preferably, the lifting of the cylindrical hammer to a preset height by using the pulley assembly specifically includes:
a fixed pulley is arranged at the top of the pile frame;
and a traction rope is wound around the fixed pulley and is connected with the cylindrical hammer.
In the above-described steel pipe pile bottom hammering construction method, preferably, the driving of the steel pipe pile pointed into the ground by separating the columnar hammer from the pulley assembly to freely fall and impacting a pile base fixedly provided inside the steel pipe pile pointed pile by its own potential energy includes:
manufacturing a steel pipe pointed pile;
installing a steel pipe pointed pile and a cylindrical hammer;
and (6) piling.
The steel pipe pile pipe bottom hammering construction method as described above, wherein preferably, the manufacturing of the steel pipe pointed pile specifically includes:
utilizing a steel pipe to process and manufacture a vertical part and a conical part positioned at the bottom of the vertical part;
processing and manufacturing a pile base by using a steel plate;
and welding the pile base at the lower end part of the vertical part.
The steel pipe pile pipe bottom hammering construction method as described above, wherein preferably, the installing of the steel pipe pointed pile and the columnar hammer specifically includes:
moving the steel pipe spike pile to a predetermined position with the tapered portion placed downward;
and lifting the cylindrical hammer through the traction rope, and slightly inserting the cylindrical hammer into the steel pipe pointed pile so as to correct the position and the verticality of the steel pipe pointed pile.
In the pipe bottom hammering construction method for a steel pipe pile as described above, preferably, the diameter of the columnar hammer is slightly smaller than the inner diameter of the steel pipe spike pile.
In the pipe bottom hammering construction method for a steel pipe pile as described above, preferably, the driving specifically includes:
and (3) the traction rope bypasses the fixed pulley, the cylindrical hammer is lifted to a preset height and then is suddenly loosened, the cylindrical hammer falls freely, the pile base is impacted by the potential energy of the cylindrical hammer, and the steel pipe pointed pile moves downwards.
In the steel pipe pile tube bottom hammering construction method, it is preferable that the steel pipe pile tube bottom hammering construction method further includes:
and (5) pile splicing is carried out by utilizing a plurality of sections of steel pipe section piles.
The steel pipe pile pipe bottom hammering construction method preferably includes:
before the steel pipe pointed pile is completely buried, the cylindrical hammer is pulled out of the steel pipe pointed pile by using the pulley assembly;
welding a section of steel pipe pile with the steel pipe pointed pile;
sending the cylindrical hammer to the bottom of the steel pipe joint pile by using the pulley assembly;
repeatedly executing the lifting and free falling processes of the cylindrical hammer to enable the steel pipe section pile to be driven into the soil gradually;
repeatedly welding a section of steel pipe section pile before the steel pipe section pile is completely buried;
repeatedly executing the pile splicing step until the preset pile driving depth is reached;
and (4) pulling out the cylindrical hammer from the last steel pipe joint pile by using the pulley assembly to complete the piling process of the whole steel pipe pile.
In the pipe bottom hammering construction method for a steel pipe pile, it is preferable that openings are provided at both ends of the steel pipe section pile, and the diameter of the steel pipe section pile is equal to the diameter of the steel pipe pointed pile.
The invention provides a steel pipe pile pipe bottom hammering construction method, which is characterized in that a pulley assembly is utilized to lift a cylindrical hammer to a certain height and then suddenly loosen the cylindrical hammer, the cylindrical hammer freely falls down, the pile base is impacted by the potential energy of the cylindrical hammer to enable a steel pipe pointed pile to move downwards, the hammering process is repeated, the steel pipe pointed pile is gradually driven into the soil, the steel pipe pile hammering device can be suitable for the working conditions that a pile driver cannot enter in a narrow place and a pile driver cannot enter, and is also used for the conditions that an anchor rod cannot be embedded in the existing house foundation or the self weight of a house cannot provide pile pressing counter force, the cylindrical hammer is positioned in the steel pipe pointed pile, the noise is low, the vibration is avoided, the working efficiency is high, and the steel.
Drawings
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described with reference to the accompanying drawings, in which:
fig. 1 is a flowchart of an embodiment of a steel pipe pile bottom hammering construction method provided by the invention;
fig. 2 is a schematic structural diagram of an embodiment of a steel pipe pile tube bottom hammering construction device provided by the invention;
fig. 3 is a pile extension schematic diagram of an embodiment of a steel pipe pile bottom hammering construction device provided by the invention.
Description of reference numerals:
1-cylindrical hammer 2-pile base 3-steel pipe pointed pile
4-traction rope 5-fixed pulley 6-pile frame
7-steel pipe section pile 31-vertical part 32-conical part
Detailed Description
Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and is in no way intended to limit the disclosure, its application, or uses. The present disclosure may be embodied in many different forms and is not limited to the embodiments described herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments are to be construed as merely illustrative, and not as limitative, unless specifically stated otherwise.
As used in this disclosure, "first", "second": and the like, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element preceding the word covers the element listed after the word, and does not exclude the possibility that other elements are also covered. "upper", "lower", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
In the present disclosure, when a specific component is described as being located between a first component and a second component, there may or may not be intervening components between the specific component and the first component or the second component. When it is described that a specific component is connected to other components, the specific component may be directly connected to the other components without having an intervening component, or may be directly connected to the other components without having an intervening component.
All terms (including technical or scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs unless specifically defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
As shown in fig. 1, an embodiment of the present invention provides a steel pipe pile bottom hammering construction method, which is implemented based on a steel pipe pile bottom hammering construction device, as shown in fig. 2, the steel pipe pile bottom hammering construction device includes a steel pipe pointed pile 3, a cylindrical hammer 1 insertable into the steel pipe pointed pile 3, a pile base fixedly disposed inside the steel pipe pointed pile, a pile frame 6, and a pulley assembly disposed at the top of the pile frame 6, and the pulley assembly is connected to the cylindrical hammer 1 to lift the cylindrical hammer 1.
As shown in fig. 1, in an actual execution process, the steel pipe pile bottom hammering construction method provided in this embodiment specifically includes the following steps:
step S1, the cylindrical hammer 1 is lifted to a preset height by the pulley assembly.
In an embodiment of the steel pipe pile tube bottom hammering construction method according to the present invention, the step S1 may specifically include:
step S11 is to attach the fixed pulley 5 to the top of the pile frame 6.
And step S12, winding the traction rope 4 around the fixed pulley 5 and connecting the traction rope with the cylindrical hammer 1.
The pile frame 6 is a frame body for lifting the cylindrical hammer 1, can be processed and manufactured according to the field condition, and can bear the load of lifting the cylindrical hammer 1. In the case of a very small construction site, the pile frame 6 can be constructed by using beams and slabs of the surrounding building or steel frames welded from the building wall, so as to provide a fulcrum for fixing the fixed pulley 5 at the upper end of the pile site.
And step S2, enabling the cylindrical hammer 1 to be separated from the pulley assembly to fall freely, impacting the pile base 2 fixedly arranged in the steel pipe pointed pile 3 by means of self potential energy, and driving the steel pipe pointed pile 3 into the ground.
In an embodiment of the steel pipe pile tube bottom hammering construction method according to the present invention, the step S2 may specifically include:
and step S21, manufacturing the steel pipe pointed pile 3.
In an embodiment of the steel pipe pile tube bottom hammering construction method according to the present invention, the step S21 may specifically include:
step S211 is to form the vertical portion 31 and the tapered portion 32 located at the bottom of the vertical portion 31 by steel pipe machining.
Specifically, the length of the steel pipe pointed pile 3 is about 2.5m, the steel pipe pointed pile 3 can be manufactured by processing common steel pipes, and the design of the lower end conical part 32 can reduce the resistance when the steel pipe pointed pile 3 enters the soil.
Step S212 is to manufacture the pile base 2 by machining a steel plate.
The pile base 2 can be made of steel plates.
Step S213 is to weld the pile base 2 to the lower end of the vertical portion 31.
It is ensured that both the pile base 2 and the vertical portion 31 are welded firmly and can withstand sufficient heavy impact.
And step S22, installing the steel pipe pointed pile 3 and the columnar hammer 1.
In an embodiment of the steel pipe pile tube bottom hammering construction method according to the present invention, the step S22 may specifically include:
step S221, the steel pipe picket 3 is moved to a predetermined position, and the tapered portion 32 is placed downward.
And S222, lifting the cylindrical hammer 1 through the traction rope 4, and slightly inserting the cylindrical hammer into the steel pipe pointed pile 3 so as to correct the position and the verticality of the steel pipe pointed pile 3.
Wherein the diameter of the columnar hammer 1 is slightly smaller than the inner diameter of the steel pipe pointed pile 3.
And step S23, piling.
In an embodiment of the steel pipe pile tube bottom hammering construction method according to the present invention, the step S23 may specifically include:
and (3) winding the traction rope 4 around the fixed pulley 5, lifting the cylindrical hammer 1 to a preset height, and then suddenly loosening, wherein the cylindrical hammer 1 freely falls to impact the pile base 2 by means of the potential energy of the cylindrical hammer 1, so that the steel pipe pointed pile 3 moves downwards.
And step S3, repeatedly executing the lifting and free falling processes of the columnar hammer 1, and enabling the steel pipe pointed pile 3 to be driven into the soil gradually.
Further, the steel pipe pile pipe bottom hammering construction method further comprises the following steps:
and step S4, pile splicing is carried out by utilizing a plurality of sections of steel pipe section piles 7.
As shown in the drawing, in an embodiment of the steel pipe pile bottom hammering construction method according to the present invention, the step S4 may specifically include:
and step S41, before the steel pipe pointed pile 3 is completely buried, pulling out the columnar hammer 1 from the steel pipe pointed pile 3 by using the pulley assembly.
And step S42, welding the steel pipe section pile 7 and the steel pipe pointed pile 3.
Wherein, both ends of the steel pipe joint pile 7 are provided with openings, and the diameter of the steel pipe joint pile 7 is equal to that of the steel pipe pointed pile 3.
And step S43, the cylindrical hammer 1 is sent to the pile bottom of the steel pipe section pile 7 by using the pulley assembly.
And step S44, repeatedly executing the lifting and free falling processes of the cylindrical hammer 1, and enabling the steel pipe section pile 7 to be driven into the soil gradually.
And step S45, before the steel pipe section pile 7 is completely buried, repeatedly welding a section of steel pipe section pile 7.
And step S46, the pile splicing step is repeatedly executed until the preset pile driving depth is reached.
And step S47, the pulley assembly is used for pulling out the cylindrical hammer 1 from the last steel pipe joint pile 7, and the piling process of the whole steel pipe pile is completed.
According to the steel pipe pile pipe bottom hammering construction method provided by the embodiment of the invention, the pulley assembly is utilized to lift the cylindrical hammer to a certain height and then suddenly loosen the cylindrical hammer, the cylindrical hammer freely falls, the pile base is impacted by the potential energy of the cylindrical hammer, the pointed steel pipe pile moves downwards, the hammering process is repeated, the pointed steel pipe pile is gradually driven into the soil, the method is suitable for the working conditions that a pile driver cannot enter a narrow place and a pile driver cannot enter the pile driver, and is also used for the conditions that an anchor rod cannot be embedded in the existing house foundation or the weight of the house cannot provide pile pressing counter force, the cylindrical hammer is located in the pointed steel pipe pile, the noise is small, the vibration is avoided, the working efficiency is high, and the method is very suitable for engineering pile foundation.
Thus, various embodiments of the present disclosure have been described in detail. Some details that are well known in the art have not been described in order to avoid obscuring the concepts of the present disclosure. It will be fully apparent to those skilled in the art from the foregoing description how to practice the presently disclosed embodiments.
Although some specific embodiments of the present disclosure have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the present disclosure. It will be understood by those skilled in the art that various changes may be made in the above embodiments or equivalents may be substituted for elements thereof without departing from the scope and spirit of the present disclosure. The scope of the present disclosure is defined by the appended claims.
Claims (10)
1. A steel pipe pile pipe bottom hammering construction method is characterized by comprising the following steps:
lifting the cylindrical hammer to a preset height by using a pulley assembly;
enabling the cylindrical hammer to be separated from the pulley assembly to fall freely, and impacting a pile base fixedly arranged in the steel pipe pointed pile by means of self potential energy to drive the steel pipe pointed pile into the ground;
and repeatedly executing the lifting and free falling processes of the cylindrical hammer to enable the steel pipe pointed pile to be driven into the soil gradually.
2. The steel pipe pile tube bottom hammering construction method according to claim 1, wherein the lifting of the columnar hammer to a preset height by using the pulley assembly specifically comprises:
a fixed pulley is arranged at the top of the pile frame;
and a traction rope is wound around the fixed pulley and is connected with the cylindrical hammer.
3. The steel pipe pile tube bottom hammering construction method according to claim 2, wherein the cylindrical hammer is separated from the pulley assembly to freely fall, and a pile base fixedly arranged inside a steel pipe pointed pile is impacted by self potential energy to drive the steel pipe pointed pile into the ground, specifically comprising:
manufacturing a steel pipe pointed pile;
installing a steel pipe pointed pile and a cylindrical hammer;
and (6) piling.
4. The steel pipe pile tube bottom hammering construction method according to claim 3, wherein the manufacturing of the steel pipe pointed pile specifically comprises:
utilizing a steel pipe to process and manufacture a vertical part and a conical part positioned at the bottom of the vertical part;
processing and manufacturing a pile base by using a steel plate;
and welding the pile base at the lower end part of the vertical part.
5. The steel pipe pile tube bottom hammering construction method according to claim 4, wherein the installing of the steel pipe pointed pile and the columnar hammer specifically comprises:
moving the steel pipe spike pile to a predetermined position with the tapered portion placed downward;
and lifting the cylindrical hammer through the traction rope, and slightly inserting the cylindrical hammer into the steel pipe pointed pile so as to correct the position and the verticality of the steel pipe pointed pile.
6. The steel pipe pile tube bottom hammering construction method according to claim 5, wherein the diameter of the cylindrical hammer is slightly smaller than the inner diameter of the steel pipe pointed pile.
7. The steel pipe pile tube bottom hammering construction method according to claim 3, wherein the piling body comprises:
and (3) the traction rope bypasses the fixed pulley, the cylindrical hammer is lifted to a preset height and then is suddenly loosened, the cylindrical hammer falls freely, the pile base is impacted by the potential energy of the cylindrical hammer, and the steel pipe pointed pile moves downwards.
8. The steel pipe pile tube bottom hammering construction method according to claim 1, further comprising:
and (5) pile splicing is carried out by utilizing a plurality of sections of steel pipe section piles.
9. The steel pipe pile tube bottom hammering construction method according to claim 8, wherein the pile extension by using a plurality of sections of steel pipe section piles specifically comprises:
before the steel pipe pointed pile is completely buried, the cylindrical hammer is pulled out of the steel pipe pointed pile by using the pulley assembly;
welding a section of steel pipe pile with the steel pipe pointed pile;
sending the cylindrical hammer to the bottom of the steel pipe joint pile by using the pulley assembly;
repeatedly executing the lifting and free falling processes of the cylindrical hammer to enable the steel pipe section pile to be driven into the soil gradually;
repeatedly welding a section of steel pipe section pile before the steel pipe section pile is completely buried;
repeatedly executing the pile splicing step until the preset pile driving depth is reached;
and (4) pulling out the cylindrical hammer from the last steel pipe joint pile by using the pulley assembly to complete the piling process of the whole steel pipe pile.
10. The pipe bottom hammering construction method for the steel pipe pile according to claim 9, wherein openings are provided at both ends of the steel pipe section pile, and the diameter of the steel pipe section pile is equal to the diameter of the steel pipe pointed pile.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010996714.8A CN112095601A (en) | 2020-09-21 | 2020-09-21 | Steel pipe pile pipe bottom hammering construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010996714.8A CN112095601A (en) | 2020-09-21 | 2020-09-21 | Steel pipe pile pipe bottom hammering construction method |
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| CN112095601A true CN112095601A (en) | 2020-12-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114592517A (en) * | 2022-03-21 | 2022-06-07 | 浙江大学 | Pile body dead weight hammering construction process with enlarged pile shoe |
-
2020
- 2020-09-21 CN CN202010996714.8A patent/CN112095601A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114592517A (en) * | 2022-03-21 | 2022-06-07 | 浙江大学 | Pile body dead weight hammering construction process with enlarged pile shoe |
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