CN207959201U - Synchronous grouting pile for prestressed pipe - Google Patents
Synchronous grouting pile for prestressed pipe Download PDFInfo
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- CN207959201U CN207959201U CN201820231176.1U CN201820231176U CN207959201U CN 207959201 U CN207959201 U CN 207959201U CN 201820231176 U CN201820231176 U CN 201820231176U CN 207959201 U CN207959201 U CN 207959201U
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Abstract
The utility model is related to a kind of synchronous grouting pile for prestressed pipe, including special shoe device, prefabricated tubular pile, slip casting pipe device and grouting layer；The special shoe device includes main Grouting Pipe, is in charge of connector, is in charge of and slurry outlet；The main Grouting Pipe upper end is connected with slip casting pipe device, and main Grouting Pipe lower end is connected by being in charge of connector with being in charge of；It is described be in charge of be connected with slurry outlet, the slurry outlet equidistantly distributed is on the outside of the pile pile seam at shoe edge；Slip casting pipe device is equipped in the prefabricated tubular pile cavity, the slip casting pipe device includes four paws hook, upper end interface, grouting pipe and lower end interface.The utility model has the beneficial effects that：The synchronous grouting pile for prestressed pipe of the utility model is to increase that special shoe is arranged on using for reference original pile for prestressed pipe, and pass through a kind of novel pile basis made of static pressure method pile sinking；So that injection slurry is lubricated pile pile side wall by synchronous grouting, reduce piling difficulty, reduces place requirement for bearing capacity and pile compacting equipment requirement.
Description
Technical field
The utility model belongs to field of foundation treatment more particularly to a kind of prestressed pipe pilework.
Background technology
Pile for prestressed pipe has many advantages, such as that speed of application is fast, low cost, high capacity, but it is there are stake diameter is smaller, horizontal
Load low bearing capacity is unable to give full play pile body bearing capacity since pile strength and soil strength are at a distance of larger in weak soil
The problems such as.Static pressure method pile sinking is low with construction noise, vibration is light, pollution is small, and speed of application is fast, and work efficiency is high, and short time limit, construction is answered
The advantages that power is small, and pile quality is relatively reliable, but itself is relatively high to equipment requirement, provides larger pressure of sinking pile and just needs more
More ballasts, to more demanding to place foundation bearing capacity, the shortcomings of pile sinking is difficult in hard stratum.
Utility model content
The purpose of the utility model is to overcome deficiencies in the prior art, provide a kind of synchronous grouting pile for prestressed pipe.This
The purpose of utility model is achieved through the following technical solutions：
This synchronous grouting pile for prestressed pipe, including special shoe device, prefabricated tubular pile, slip casting pipe device and grouting layer；
The special shoe device includes main Grouting Pipe, is in charge of connector, is in charge of and slurry outlet；The main Grouting Pipe upper end is filled with Grouting Pipe
Set connected, main Grouting Pipe lower end is connected by being in charge of connector with being in charge of；It is described be in charge of be connected with slurry outlet, between described slurry outlet etc.
Away from the pile pile seam outside for being distributed in shoe edge；Slip casting pipe device, the Grouting Pipe dress are equipped in the prefabricated tubular pile cavity
It sets including four paws hook, upper end interface, grouting pipe and lower end interface；Four paws hook hanging buckle stake end on prefabricated tubular pile,
Four paws hook center is fixed with end interface, and the upper end interface is connected with grouting pipe upper end, and the grouting pipe lower end is logical
End interface is crossed down with the main Grouting Pipe of special shoe device to be connected.
As preferred：The four paws hook is bent using iron plate.
As preferred：The grouting pipe uses pvc pipe or steel pipe.
The utility model has the beneficial effects that：
1, the synchronous grouting pile for prestressed pipe of the utility model is to increase setting spy on using for reference original pile for prestressed pipe
Different shoe, and pass through a kind of novel pile basis made of static pressure method pile sinking.
2, by synchronous grouting make injection slurry lubricate pile pile side wall, reduce piling difficulty, reduce place requirement for bearing capacity and
Pile compacting equipment requirement.
3, transition zone of the injecting cement paste solidified as pile body and the soil body, contact of the enhancing pile body with the soil body, increases stake side and rubs
Resistance further plays pile for prestressed pipe pile strength, improves bearing capacity of single pile.It, can thus in the case where bearing capacity meets
By shortening, stake is long to reduce cost.
4, protection and reinforcing of the injecting cement paste solidified as pile body.It increases soil around pile frictional force and Pile side soil level is anti-
Power strengthens pile body connector, improves the horizontal bearing capacity of pile pile.
5, it is constructed by pile jacking in method, construction noise is low, vibration is light, pollution is small, speed of application is fast, work efficiency is high, the duration
It is short.
Description of the drawings
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the special shoe device diagrammatic cross-section of the utility model；
Fig. 3 is the special shoe device vertical view of the utility model；
Fig. 4 is the single-unit prefabricated tubular pile diagrammatic cross-section of the utility model；
Fig. 5 is stake end vertical view on the prefabricated tubular pile of the utility model；
Reference sign：Special shoe device 1, main Grouting Pipe 11 are in charge of connector 12, are in charge of 13, slurry outlet 14 is prefabricated
Pile pile 2, slip casting pipe device 3, four paws hook 31, upper end interface 32, grouting pipe 33, lower end interface 34, grouting layer 4.
Specific implementation mode
The utility model is described further with reference to embodiment.The explanation of following embodiments is only intended to help to manage
Solve the utility model.It should be pointed out that for those skilled in the art, not departing from the utility model principle
Under the premise of, several improvements and modifications can be made to this utility model, these improvement and modification also fall into the utility model
In scope of the claims.
The synchronous grouting pile for prestressed pipe improves pile for prestressed pipe performance, it is made to have synchronous grouting function,
Increase reply such as stake diameter is smaller, and horizontal loading low bearing capacity, pile body joint is easily destroyed, weak soil pile intensity and the soil body
Intensity is unable to give full play the ability of the engineering problems such as pile body bearing capacity at a distance of larger.The synchronous grouting pile for prestressed pipe
Including：Special shoe device 1, main Grouting Pipe 11 are in charge of connector 12, are in charge of 13, slurry outlet 14, prefabricated tubular pile 2, slip casting pipe device
3, four paws hook 31, upper end interface 32, grouting pipe 33, lower end interface 34, grouting layer 4.
As shown in Figure 2 and Figure 3, the special shoe device 1 includes main Grouting Pipe 11, is in charge of connector 12, is in charge of 13, pulp
Hole 14；11 upper end of main Grouting Pipe is connected with slip casting pipe device 3, and 11 lower end of main Grouting Pipe is by being in charge of connector 12 and four pieces points
Pipe 13 is connected；It is described to be in charge of 13 and be connected with slurry outlet 14, pile pile seam of 14 equidistantly distributed of the slurry outlet at shoe edge
Outside.
As shown in Figure 4, Figure 5, setting slip casting pipe device 3 in 2 cavity of the prefabricated tubular pile；The slip casting pipe device 3 includes
Four paws hook 31, upper end interface 32, grouting pipe 33, lower end interface 34；The four paws links up with the stake on prefabricated tubular pile 2 of 31 hanging buckles
End, four paws link up with 31 centers and are fixed with end interface 32, and the upper end interface 32 is connected with 33 upper end of grouting pipe, the slip casting
33 lower end of pipeline is connected by lower end interface 34 with the main Grouting Pipe 11 of special shoe device 1.The four paws hook 31 uses iron
Piece is bent, and hanging buckle can be welding in connector at 2 ends of prefabricated tubular pile, stake end when welding.33 basis of the grouting pipe
The preferred pvc pipe of practical grouting pressure, steel pipe etc., it is 12.4m often to save grouting pipe 33, and 33 both ends of grouting pipe have can pressure-bearing
Connector.
The course of work of the utility model is with operation principle：Shoe is first set at stake position, and in first segment pile pile
After Grouting Pipe is connect with shoe slip casting manifold, piling applies smaller grouting pressure simultaneously, realizes synchronous grouting, and it is difficult to reduce piling
Degree.After the completion of piling, the transition zone of the injecting cement paste of solidification as pile body and the soil body, i.e. grouting layer 4 enhance connecing for pile body and the soil body
It touches, increases pile side friction, further play pile for prestressed pipe pile strength, improve bearing capacity of single pile.
The construction method of the synchronous grouting pile for prestressed pipe, includes the following steps：
1) special shoe device 1 is set at stake position；
2) slip casting pipe device 3 is installed inside prefabricated tubular pile 2, and the slip casting hose of peripheral hardware is used in combination to be connected with grouting pump；
3) after pile press machine reaches pre- fixed pile, rotatable truss is rotated, pile press machine clamp port center align piles position center is made,
It is used in combination steel wire rope to fasten prefabricated tubular pile 2, slip casting pipe device 3 is lifted by crane simultaneously with prefabricated tubular pile 2；
4) after being put into after pile press machine clamp port after lifting by crane and holding pile body and the alignment of stake position center tightly using fixture, by first
Slip casting pipe device 3 in section prefabricated tubular pile 2 is connect with the main Grouting Pipe 11 of special shoe device 1, after adjusting pile body verticality
Start hydraulic cylinder and carries out piling；
5) piling applies smaller grouting pressure simultaneously, maintains almost nil grouting amount, need to only prevent the soil body from squeezing into out
Starch hole 14.It waits for a side pressure underground layer certain depth, formally starts slip casting, this measure is that slurries are emerged ground in order to prevent；(one
As maximum grouting pressure be not more than 2MPa；It is required that slurries are surveyed in stake a certain thickness, cleavage fracture and excessive does not occur for Pile side soil body
Displacement.)
6) piling uses high pressure again by first using low pressure rapid pressure pile when soft soil layer when reaching hard stratum or sandy gravel stratum
Piling at a slow speed, and slip casting is synchronized during piling, injection slurry is mixed using the cement mortar and bentonite slurry centainly matched
It closes.Specific proportioning is determined according to practical soil layer situation and execution conditions；(it is required that there is certain mobility, meet injection slurry
The requirement of synchronous distribution and stake side；Presetting period is not less than the single pile construction time, and final setting time meets construction speed requirement；Solidification
Intensity reaches given requirements afterwards.)
7) so that the Grouting Pipe in next section stake is connected with a upper section Grouting Pipe when pile extension, then weld pile shaft joint, continue
Piling repeats above step.
Claims (3)
1. a kind of synchronous grouting pile for prestressed pipe, it is characterised in that：Including special shoe device (1), prefabricated tubular pile (2), slip casting
Pipe device (3) and grouting layer (4)；The special shoe device (1) includes main Grouting Pipe (11), is in charge of connector (12), is in charge of
(13) and slurry outlet (14)；Main Grouting Pipe (11) upper end is connected with slip casting pipe device (3), and main Grouting Pipe (11) lower end passes through
It is in charge of connector (12) with (13) are in charge of to be connected；Be in charge of (13) are connected with slurry outlet (14), and the slurry outlet (14) is equidistant
It is distributed on the outside of the pile pile seam at shoe edge；Slip casting pipe device (3), the slip casting are equipped in prefabricated tubular pile (2) cavity
Pipe device (3) includes four paws hook (31), upper end interface (32), grouting pipe (33) and lower end interface (34)；The four paws is hung
Hook (31) hanging buckle stake end on prefabricated tubular pile (2), four paws hook (31) center are fixed with end interface (32), the upper end interface
(32) it is connected with grouting pipe (33) upper end, grouting pipe (33) lower end passes through lower end interface (34) and special shoe device
(1) main Grouting Pipe (11) is connected.
2. synchronous grouting pile for prestressed pipe according to claim 1, it is characterised in that：The four paws hook (31) uses iron
Piece is bent.
3. synchronous grouting pile for prestressed pipe according to claim 1, it is characterised in that：The grouting pipe (33) uses
Pvc pipe or steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820231176.1U CN207959201U (en) | 2018-02-09 | 2018-02-09 | Synchronous grouting pile for prestressed pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820231176.1U CN207959201U (en) | 2018-02-09 | 2018-02-09 | Synchronous grouting pile for prestressed pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207959201U true CN207959201U (en) | 2018-10-12 |
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ID=63738684
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820231176.1U Active CN207959201U (en) | 2018-02-09 | 2018-02-09 | Synchronous grouting pile for prestressed pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108179743A (en) * | 2018-02-09 | 2018-06-19 | 浙江大学城市学院 | A kind of synchronous grouting pile for prestressed pipe and construction method |
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2018
- 2018-02-09 CN CN201820231176.1U patent/CN207959201U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108179743A (en) * | 2018-02-09 | 2018-06-19 | 浙江大学城市学院 | A kind of synchronous grouting pile for prestressed pipe and construction method |
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