CN109056747A - A kind of efficient mini steel-pipe pile constructing structure, method - Google Patents
A kind of efficient mini steel-pipe pile constructing structure, method Download PDFInfo
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- CN109056747A CN109056747A CN201811205951.7A CN201811205951A CN109056747A CN 109056747 A CN109056747 A CN 109056747A CN 201811205951 A CN201811205951 A CN 201811205951A CN 109056747 A CN109056747 A CN 109056747A
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- pile
- steel
- pipe pile
- steel pipe
- tube
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
- E02D17/207—Securing of slopes or inclines with means incorporating sheet piles or piles
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Piles And Underground Anchors (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention discloses a kind of efficient mini steel-pipe pile constructing structures, including anchor jacked pile construction mechanism and steel-pipe pile construction mechanism, the anchor jacked pile construction mechanism includes the basis being arranged on soil around pile, basis has offered piling hole, there is reaction frame on basis by several rockbolt installations at the position in corresponding piling hole, baffle is installed on the reaction frame, jack is installed on baffle；The steel-pipe pile construction mechanism includes drilling machine, slewing equipment, geological tube and drill bit, the beneficial effects of the present invention are: first waiting the construction of supporting position progress anchor jacked pile in foundation, foundation pit and side slope, then the construction of steel-pipe pile is carried out again, since the retaining wall of anchor jacked pile acts on, the drilling of steel-pipe pile not will receive the frictional resistance of the soil body in the long range of anchor jacked pile stake, this ensure that the speed of application of steel-pipe pile, and it is long to increase stake, guarantee that steel-pipe pile reaches supporting course, bankets area particularly suitable for Canal in Loess Area or big thickness.
Description
Technical field
The present invention is a kind of efficient mini steel-pipe pile constructing structure, method.
Background technique
The unique advantages such as miniature steel pipe pile is small with its diameter, bearing capacity is high are in structure foundation basis, foundation pit and side slope etc.
Field is widely used.Mostly use two kinds of forms, one kind is anchor jacked pile, another kind be pipe-following drilling machinery at
Hole.
The determination of two kinds of mini pile pile making methods is respectively as follows: anchor jacked pile when encountering harder geology, and piling is difficult, and stake is long not
Design requirement can be reached.Second of mechanical hole building mode is similar to bored concrete pile, needs mud off, stake is long to compare anchor jacked pile
It is long, but due to stake diameter is small, it is easy to the phenomenon that encountering bit freezing.
For this purpose, the application eliminates a kind of miniature steel pipe pile constructing structure of high construction efficiency, method.
Summary of the invention
The purpose of the present invention is to provide a kind of efficient mini steel-pipe pile constructing structures, method, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the invention provides the following technical scheme:
A kind of efficient mini steel-pipe pile constructing structure, including anchor jacked pile construction mechanism and steel-pipe pile construction mechanism, the anchor
Rod static pressure pile construction mechanism includes the basis being arranged on soil around pile, and basis has offered piling hole, and basis is in corresponding piling hole
Position at by several rockbolt installations have reaction frame, baffle is installed on the reaction frame, jack is installed on baffle,
The output end of jack is equipped with several by the sequentially connected steel pipe of spiral mantle fiber；
The steel-pipe pile construction mechanism includes drilling machine, slewing equipment, geological tube and drill bit, and the one of piling hole is arranged in the drilling machine
At side position, several are equipped on the slewing equipment of drilling machine by the sequentially connected geological tube of spiral mantle fiber, geological tube it is straight
Diameter is less than steel pipe, and the bottom end of the geological tube in bottom is equipped with drill bit.
As a further solution of the present invention: the electronic calabash for regulating fender position is also equipped on the reaction frame
Reed.
As further scheme of the invention: being equipped with cement slurry agitator tank and mud at a side position of the drilling machine
Pond is connected with mud tube on cement slurry agitator tank, and slush pump is equipped on mud tube, and mud acts on cement by slush pump
The hole and mud pit internal circulation flow that slurry agitator tank, geological tube are drilled out.
A kind of efficient mini steel pipe pile construction method, comprising the following steps:
S1, first at soil around pile arrange basis, on the basis of embedded anchor bar, and between basis reserve piling hole, then will be anti-
The installation of power frame is connect with anchor pole, i.e., on the basis of being mounted on reaction frame；
S2 is implanted into steel pipe at piling hole, applies pressure using the jack pair steel pipe being mounted on reaction frame, current steel pipe submerges
When in soil around pile, next steel pipe is installed by spiral mantle fiber on current steel pipe top, is applied again by jack press later
Power, until the depth that steel pipe submerges soil around pile reaches design requirement or pressure is not gone down；
Then S3 removes reaction frame, jack, drilling machine, slewing equipment, cement slurry agitator tank and mud are arranged on original position
Pond, by first geological tube bottom end fixed drill bit, upper end is mounted on the slewing equipment of drilling machine, starts to drill, at bore position
After in steel pipe, being drilled into current geological tube and submerging ground completely, current geological tube is remained stationary, and is installed again on slewing equipment new
Geological tube, the geological tube by spiral mantle fiber with soil in geological tube be fixedly connected, continue to creep into, repeat before operation, directly
Reach setting target to drilling depth；
S4, in drilling, cement slurry agitator tank carries out the preparation of mud, and mud acts on cement slurry by gravel pump and stirs
The hole and mud pit internal circulation flow that tank, geological tube are drilled out；
S5, after the completion of drilling, device to hole is poured, and cement paste is injected into geological tube by conduit in the way of high-pressure slip-casting
It is interior, and during slip casting, conduit is slowly promoted until completely disengaging geological tube, and cement paste evolution geological tube simultaneously enters ground
Between matter pipe and the soil body, cement paste forms root pile by splitting in the soil body around geological tube, to the gap between the soil body
Be filled with it is compacted, formed pile and soil complex, complete the construction of miniature steel pipe pile.
As a further solution of the present invention: the material that pours is the M50 cement paste that joined swelling agent.
Compared with prior art, the beneficial effects of the present invention are: first waiting supporting position in foundation, foundation pit and side slope
The construction for carrying out anchor jacked pile, then carries out the construction of steel-pipe pile again, quiet in anchor pole since the retaining wall of anchor jacked pile acts on
The drilling of steel-pipe pile not will receive the frictional resistance of the soil body in the long range of piling stake, this ensure that the speed of application of steel-pipe pile, and
It is long that stake can be increased, guarantee that steel-pipe pile reaches supporting course, banket area particularly suitable for Canal in Loess Area or big thickness.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of anchor jacked pile construction mechanism in efficient mini steel-pipe pile constructing structure.
Fig. 2 is a kind of structural schematic diagram of steel-pipe pile construction mechanism in efficient mini steel-pipe pile constructing structure.
Fig. 3 is a kind of structural schematic diagram of efficient mini steel-pipe pile constructing structure.
Fig. 4 is the sectional view along A-A of Fig. 3.
Fig. 5 is the B-B direction cross-sectional view of Fig. 3.
In figure: 1- soil around pile, the basis 2-, 3- piling hole, 4- anchor pole, 5- jack, 6- baffle, 7- reaction frame, 8- steel pipe,
9- electric block, 10- drilling machine, 11- slewing equipment, 12- drill bit, 13- mud tube, 14- cement slurry agitator tank, 15- slush pump,
16- mud pit, 17- geological tube, a- anchor jacked pile construction mechanism, b- steel-pipe pile construction mechanism.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
Please refer to Fig. 1~5, in the embodiment of the present invention, a kind of efficient mini steel-pipe pile constructing structure, including anchor rod static pressure pile driving construction
Mechanism a and steel-pipe pile construction mechanism b, the present embodiment first wait branch in foundation, foundation pit and side slope to guarantee speed of application
The construction that position carries out anchor jacked pile is protected, then carries out the construction of steel-pipe pile again, since the retaining wall of anchor jacked pile acts on,
The drilling of steel-pipe pile not will receive the frictional resistance of the soil body in the long range of anchor jacked pile stake, this ensure that the construction speed of steel-pipe pile
Degree, and it is long to increase stake, guarantees that steel-pipe pile reaches supporting course bankets area particularly suitable for Canal in Loess Area or big thickness.
Specifically, the anchor jacked pile construction mechanism a includes the basis 2 being arranged on soil around pile 1, basis 2 is offered
There is piling hole 3, basis 2 is equipped with reaction frame 7, the reaction frame 7 by several anchor poles 4 at the position in corresponding piling hole 3
On baffle 6 is installed, jack 5 is installed on baffle 6, the output end of jack 5 be equipped with several by spiral mantle fiber according to
The steel pipe 8 of secondary connection can drive steel pipe 5 to move into soil around pile 1 in 5 output power of jack, and steel pipe 5 is driven into stake
When in all soil 1, soil around pile 1 can be formed and be squeezed, avoid the frictional resistance when carrying out steel pipe pile driving construction in the later period by the soil body, guaranteed
The speed of application of steel-pipe pile can be removed after the completion of anchor jacked pile construction mechanism a construction, carry out steel pipe pile driving construction
The installation of mechanism b；Certainly, the electric block 9 for 6 position of regulating fender is also equipped on reaction frame 4.
The steel-pipe pile construction mechanism b includes drilling machine 10, slewing equipment 11, geological tube 17 and drill bit 12, the drilling machine 10
It is arranged at a side position in piling hole 3, several is equipped on the slewing equipment 11 of drilling machine 10 and is successively connected by spiral mantle fiber
The geological tube 17 connect, the diameter of geological tube 17 are less than steel pipe 8, geological tube 17(Φ 168, wall thickness 8mm in bottom) bottom
End is equipped with drill bit 12, and slewing equipment 11 can drive geological tube 17 to be drilled down into, since the caliber of geological tube 17 is less than steel pipe
5, since the retaining wall of anchor jacked pile (i.e. steel pipe 5) acts on, the drilling of geological tube 17 will not in the long range of anchor jacked pile stake
By the frictional resistance of the soil body, rate of penetration is fast, after drilling is completed, carries out grouting protection.
Further, it for the ease of in drilling process, soil can be timely discharged, is set at a side position of the drilling machine 10
There are cement slurry agitator tank 4 and mud pit 16, mud tube 13 is connected on cement slurry agitator tank 4, mud is installed on mud tube 13
Pump 15, cement slurry agitator tank 4 is for making mud, and mud is in the hole that cement slurry agitator tank 4, geological tube 17 are drilled out and mud
16 internal circulation flow of pond, mud are not easy to solidify in hole.
Embodiment 2
Please refer to Fig. 1~5, a kind of efficient mini steel pipe pile construction method, comprising the following steps:
S1, first at soil around pile arrange basis, on the basis of embedded anchor bar, and between basis reserve piling hole, then will be anti-
The installation of power frame is connect with anchor pole, i.e., on the basis of being mounted on reaction frame；
S2 is implanted into steel pipe at piling hole, applies pressure using the jack pair steel pipe being mounted on reaction frame, current steel pipe submerges
When in soil around pile, next steel pipe is installed by spiral mantle fiber on current steel pipe top, is applied again by jack press later
Power, until the depth that steel pipe submerges soil around pile reaches design requirement or pressure is not gone down；
Then S3 removes reaction frame, jack, drilling machine, slewing equipment, cement slurry agitator tank and mud are arranged on original position
Pond, by first geological tube (Φ 168, wall thickness 8mm) bottom end fixed drill bit, upper end is mounted on the slewing equipment of drilling machine, is started
Drilling, bore position be in steel pipe, is drilled into after current geological tube submerges ground completely, and current geological tube remains stationary, time
New geological tube is installed again on rotary device, which is fixedly connected by spiral mantle fiber with the geological tube in soil, continue to creep into,
Operation before repeating, until drilling depth reaches setting target；
S4, in drilling, cement slurry agitator tank carries out the preparation of mud, and mud acts on cement slurry agitator tank by gravel pump
4,16 internal circulation flow of hole and mud pit that geological tube 17 is drilled out, mud are not easy to solidify in hole；
S5, after the completion of drilling, device to hole is poured, and pouring material is the M50 cement paste that joined swelling agent, utilizes high pressure injection
Cement paste is injected into geological tube by slurry mode by conduit, and during slip casting, and conduit is slowly promoted until completely de-
From geological tube, cement paste evolution geological tube is simultaneously entered between geological tube and the soil body, and cement paste is in the soil body around geological tube
In by splitting form root pile, to the gap between the soil body be filled with it is compacted, formed pile and soil complex, that is, complete miniature
The construction of steel-pipe pile.
It should be strongly noted that in the technical program, first foundation, foundation pit and side slope wait supporting position into
Then the construction of row anchor jacked pile carries out the construction of steel-pipe pile again, this is the innovative point of the application, due to anchor jacked pile
Retaining wall effect, the drilling of steel-pipe pile not will receive the frictional resistance of the soil body in the long range of anchor jacked pile stake, this ensure that steel
The speed of application of tubular pole, and it is long to increase stake, guarantees that steel-pipe pile reaches supporting course, particularly suitable for Canal in Loess Area or big thickness
It bankets area.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (5)
1. a kind of efficient mini steel-pipe pile constructing structure, including anchor jacked pile construction mechanism (a) and steel-pipe pile construction mechanism
(b), which is characterized in that the anchor jacked pile construction mechanism (a) includes the basis (2) being arranged on soil around pile (1), basis
(2) it has offered piling hole (3), basic (2) are equipped with instead at the position of corresponding piling hole (3) by several anchor poles (4)
Power frame (7) is equipped with baffle (6) on the reaction frame (7), is equipped on baffle (6) jack (5), the output of jack (5)
End is equipped with several by the sequentially connected steel pipe of spiral mantle fiber (8)；The steel-pipe pile construction mechanism (b) includes drilling machine
(10), slewing equipment (11), geological tube (17) and drill bit (12), a side position of drilling machine (10) setting in piling hole (3)
Locate, several are equipped on the slewing equipment (11) of drilling machine (10) by the sequentially connected geological tube of spiral mantle fiber (17), geology
The diameter for managing (17) is less than steel pipe (8), and the bottom end of the geological tube (17) in bottom is equipped with drill bit (12).
2. a kind of efficient mini steel-pipe pile constructing structure according to claim 1, which is characterized in that the reaction frame (4)
On be also equipped with electric block (9) for regulating fender (6) position.
3. a kind of efficient mini steel-pipe pile constructing structure according to claim 1, which is characterized in that the drilling machine (10)
It is equipped with cement slurry agitator tank (4) and mud pit (16) at one side position, is connected with mud tube (13) on cement slurry agitator tank (4),
It is equipped on mud tube (13) slush pump (15), mud acts on cement slurry agitator tank (4), geological tube by slush pump (15)
(17) hole drilled out and mud pit (16) internal circulation flow.
4. a kind of efficient mini steel pipe pile construction method according to claim 1 to 3, which is characterized in that including following
Step:
S1, first at soil around pile arrange basis, on the basis of embedded anchor bar, and between basis reserve piling hole, then will be anti-
The installation of power frame is connect with anchor pole, i.e., on the basis of being mounted on reaction frame；
S2 is implanted into steel pipe at piling hole, applies pressure using the jack pair steel pipe being mounted on reaction frame, current steel pipe submerges
When in soil around pile, next steel pipe is installed by spiral mantle fiber on current steel pipe top, is applied again by jack press later
Power, until the depth that steel pipe submerges soil around pile reaches design requirement or pressure is not gone down；
Then S3 removes reaction frame, jack, drilling machine, slewing equipment, cement slurry agitator tank and mud are arranged on original position
Pond, by first geological tube bottom end fixed drill bit, upper end is mounted on the slewing equipment of drilling machine, starts to drill, at bore position
After in steel pipe, being drilled into current geological tube and submerging ground completely, current geological tube is remained stationary, and is installed again on slewing equipment new
Geological tube, the geological tube by spiral mantle fiber with soil in geological tube be fixedly connected, continue to creep into, repeat before operation, directly
Reach setting target to drilling depth；
S4, in drilling, cement slurry agitator tank carries out the preparation of mud, and mud acts on cement slurry by gravel pump and stirs
The hole and mud pit internal circulation flow that tank, geological tube are drilled out；
S5, after the completion of drilling, device to hole is poured, and cement paste is injected into geological tube by conduit in the way of high-pressure slip-casting
It is interior, and during slip casting, conduit is slowly promoted until completely disengaging geological tube, and cement paste evolution geological tube simultaneously enters ground
Between matter pipe and the soil body, cement paste forms root pile by splitting in the soil body around geological tube, to the gap between the soil body
Be filled with it is compacted, formed pile and soil complex, complete the construction of miniature steel pipe pile.
5. a kind of efficient mini steel pipe pile construction method according to claim 4, which is characterized in that the material that pours is
It joined the M50 cement paste of swelling agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811205951.7A CN109056747A (en) | 2018-10-17 | 2018-10-17 | A kind of efficient mini steel-pipe pile constructing structure, method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811205951.7A CN109056747A (en) | 2018-10-17 | 2018-10-17 | A kind of efficient mini steel-pipe pile constructing structure, method |
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| CN109056747A true CN109056747A (en) | 2018-12-21 |
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| CN201811205951.7A Pending CN109056747A (en) | 2018-10-17 | 2018-10-17 | A kind of efficient mini steel-pipe pile constructing structure, method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112681297A (en) * | 2020-12-15 | 2021-04-20 | 陕西建工第六建设集团有限公司 | Construction method of miniature steel pipe pile in loess region |
| CN115726348A (en) * | 2022-11-21 | 2023-03-03 | 三峡大学 | Construction method of double-casing pipe-expanding anchor rod-cast-in-place pile |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4618289A (en) * | 1984-05-22 | 1986-10-21 | Federer David L | Method of forming a cast-in-place support column |
| CN102733380A (en) * | 2012-06-17 | 2012-10-17 | 张永忠 | Lag pile and construction method thereof |
| CN108265718A (en) * | 2018-03-12 | 2018-07-10 | 中国建筑第八工程局有限公司 | Grouting steel pipe pile foundation stabilization system and its construction method |
| CN209243732U (en) * | 2018-10-17 | 2019-08-13 | 甘肃中铁建设工程有限公司 | A kind of efficient mini steel-pipe pile constructing structure |
-
2018
- 2018-10-17 CN CN201811205951.7A patent/CN109056747A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4618289A (en) * | 1984-05-22 | 1986-10-21 | Federer David L | Method of forming a cast-in-place support column |
| CN102733380A (en) * | 2012-06-17 | 2012-10-17 | 张永忠 | Lag pile and construction method thereof |
| CN108265718A (en) * | 2018-03-12 | 2018-07-10 | 中国建筑第八工程局有限公司 | Grouting steel pipe pile foundation stabilization system and its construction method |
| CN209243732U (en) * | 2018-10-17 | 2019-08-13 | 甘肃中铁建设工程有限公司 | A kind of efficient mini steel-pipe pile constructing structure |
Non-Patent Citations (1)
| Title |
|---|
| 朱彦鹏等: "黄土地区微型钢管水泥桩单桩承载特性的试验研究" * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112681297A (en) * | 2020-12-15 | 2021-04-20 | 陕西建工第六建设集团有限公司 | Construction method of miniature steel pipe pile in loess region |
| CN115726348A (en) * | 2022-11-21 | 2023-03-03 | 三峡大学 | Construction method of double-casing pipe-expanding anchor rod-cast-in-place pile |
| CN115726348B (en) * | 2022-11-21 | 2024-04-19 | 三峡大学 | Construction method of double-pile-casing pipe-expanding anchor rod-filling pile |
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