CN205501993U - Back slip casting bored concrete pile structure - Google Patents
Back slip casting bored concrete pile structure Download PDFInfo
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- CN205501993U CN205501993U CN201620216673.5U CN201620216673U CN205501993U CN 205501993 U CN205501993 U CN 205501993U CN 201620216673 U CN201620216673 U CN 201620216673U CN 205501993 U CN205501993 U CN 205501993U
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- reinforcement cage
- bored concrete
- behind shaft
- drift lining
- grouting behind
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Abstract
The utility model provides a back slip casting bored concrete pile structure, including bored concrete pile body (1), be located the vertical back of bored concrete pile body outlying annotate stake (2) with the level that is located bored concrete pile body lower part after annotate (3), is the bored concrete pile body provided with by vertical main muscle (1 1 ), lateral tie (1 2 )And wire spiral (1 3 )Is welded fastening's steel reinforcement cage still provided with vertical back slip casting pipe (1 on each other 5 )And horizontal back slip casting pipe (1 6 ). The utility model has the advantages of the popularization is hanged down, is done benefit to to simple structure, cost, but the wide application has effectively improved the influence of soil layer and sediment in the bored concrete pile of back slip casting technique, improved the single pile bearing ability, has reduced single pile bearing power difference.
Description
Technical field
This utility model belongs to the realm of building construction, is specifically related to a kind of grouting behind shaft or drift lining filling pile structure.
Background technology
Bored concrete pile refers to pass through the means such as machine drilling, steel pipe soil compaction or manpower excavation at engineering site on ground
Base soil forms stake holes, and within it places steel reinforcement cage, concrete perfusion and the stake made.Learn both at home and abroad
Person has carried out substantial amounts of research to multiple bored concrete pile, and achieves many valuable scientific achievements, for filling
The application of note stake provides theory support.Post Grouting Technique was applied first in 1961, state
In begin to use the beginning of the eighties in last century, Post Grouting Technique is after bored concrete pile has poured, at stake end
Reinject cement mortar, improve pile body bearing capacity.This technical operation is easy, surcharge is low.
But improve the bearing capacity of pile body structure the most further, structural stability remains affiliated technology neck
An important research contents in territory.
Summary of the invention
The purpose of this utility model is for problem present in filling pile construction in prior art, it is provided that
A kind of grouting behind shaft or drift lining filling pile structure.It is strong that grouting behind shaft or drift lining filling pile structure of the present utility model possesses bearing capacity, knot
Structure is reliable and stable, the bored concrete pile of low cost of manufacture.
For solving above-mentioned technical problem, this utility model adopts the following technical scheme that
A kind of grouting behind shaft or drift lining filling pile structure, including bored concrete pile body 1, is positioned at bored concrete pile body 1 periphery
Note stake 2 after vertically and note stake 3 after the level being positioned at bored concrete pile body 1 bottom；
Described bored concrete pile body 1 is provided with steel reinforcement cage, and described steel reinforcement cage includes lengthways main steel bar 1-1, horizontal
To stirrup 1-2, and tie hoop 1-3；Wherein, lengthways main steel bar 1-1, lateral tie 1-2 and spiral
Stirrup 1-3 is welded to each other fixing；
Described lengthways main steel bar 1-1 peripheral solder has many group protection ring 1-4, and each group of protection ring is along steel reinforcement cage
Same even circumferential arranges 2-6, two groups of adjacent protection ring interlaced arrangement；Described protection ring is handle
Hands shape；
The lengthways main steel bar 1-1 of described steel reinforcement cage is also associated with longitudinal grouting behind shaft or drift lining pipe 1-5, described steel reinforcement cage
Bottom is provided with horizontal grouting behind shaft or drift lining pipe 1-6；It is provided with several on described longitudinal grouting behind shaft or drift lining pipe 1-5 tube wall
Hole, low side is blind end；Described horizontal grouting behind shaft or drift lining pipe 1-6 is inverted T shape structure, is provided with bottom it
Guan Bi coil pipe, described closure disc tube wall is provided with several holes；
The hole of described longitudinal grouting behind shaft or drift lining pipe 1-5 and the hole of horizontal grouting behind shaft or drift lining pipe 1-6 are provided with waterproof
Adhesive tape wraps up, and prevents hole plug.
Preferably, the spacing between adjacent lengthways main steel bar 1-1 in described steel reinforcement cage is 13-18cm,
The spacing of adjacent lateral tie 1-2 is 10-20cm, pitch 12-17cm of tie hoop 1-3；Described
The a length of 8-18m, a diameter of 1.5-2.5m of steel reinforcement cage.
Preferably, the spacing between adjacent lengthways main steel bar 1-1 in described steel reinforcement cage is 14cm, phase
The spacing of adjacent lateral tie 1-2 is 15cm, pitch 13cm of tie hoop 1-3；Described reinforcing bar
The a length of 10m of cage, a diameter of 2m.
Preferably, lengthways main steel bar 1-1, lateral tie 1-2 and the tie hoop in described steel reinforcement cage
The rebar surface of 1-3 is coated with antirust coat, and the thickness of antirust coat is 100-200 μm, and preferably 150
μm。
Preferably, described bored concrete pile body 1 is cylindrical.
Preferably, each group of described protection ring arranges 4 along the same even circumferential of steel reinforcement cage.
The rear of bored concrete pile body 1 periphery that be positioned in this utility model is noted stake 2 and is positioned at bored concrete pile originally
Note stake 3 after the level of body 1 bottom and improve the annexation of pile body and the soil body, improve single-column bearing capacity.
Steel reinforcement cage in this utility model is by lengthways main steel bar 1-1, lateral tie 1-2 and tie hoop 1-3 phase
It is welded and fixed mutually, there is Stability Analysis of Structures, the uniform feature of stress, serve stable reinforcement and support perfusion
The effect of stake.
Protection ring 1-4 during this utility model is dry serves the effect of protection steel reinforcement cage, it is adaptable to different
Geological conditions.
Longitudinal grouting behind shaft or drift lining pipe 1-5 and horizontal grouting behind shaft or drift lining pipe 1-6 in this utility model can select PVC
Material or stainless steel, wherein, hole surface is wrapped up by adhesive waterproof tape, it is therefore prevented that pour filling in advance
During note stake body, cement mortar pours in down a chimney, and has poured and after maintenance at bored concrete pile body, then has noted after longitudinal direction
Slurry pipe 1-5 and laterally grouting behind shaft or drift lining pipe 1-6 carry out grouting behind shaft or drift lining operation, owing to grouting behind shaft or drift lining pressure is relatively big, and energy
Enough break through adhesive waterproof tape to flow out from hole, improve the combination of pile body and soil layer.
The spacing between adjacent lengthways main steel bar 1-1 in steel reinforcement cage in this utility model is 13-18cm,
The spacing of adjacent lateral tie 1-2 is 10-20cm, pitch 12-17cm of tie hoop 1-3；Described
The a length of 8-18m, a diameter of 1.5-2.5m of steel reinforcement cage；And give further preferred numerical value.
The steel reinforcement cage possessing above-mentioned parameter has good stability and high intensity, it is possible to play good propping up
Support effect, improves bearing capacity.
Lengthways main steel bar 1-1, lateral tie 1-2 and tie hoop in steel reinforcement cage in this utility model
The rebar surface of 1-3 is coated with antirust coat.The raw material of antirust coat can select commercially available antirust agent, anti-
The setting of rusty scale improves the performance of reinforcing bar, avoids corrosion harmfulness, improves the life-span of stake.
A kind of grouting behind shaft or drift lining filling pile structure of the present utility model has simple in construction, cost is low, be beneficial to popularization
Advantage, can be widely applied in the bored concrete pile of Post Grouting Technique, effectively improve soil layer and sediment shadow
Ring, improve single pile bearing capacity, reduce bearing capacity of single pile difference.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of grouting behind shaft or drift lining filling pile structure of the present utility model.
Fig. 2 is the schematic diagram of steel reinforcement cage of the present utility model.
Fig. 3 is the schematic diagram of protection ring of the present utility model.
Wherein, bored concrete pile body 1, the stake 2 of rear note, note stake 3, lengthways main steel bar 1-1, horizontal stroke after level
To stirrup 1-2, tie hoop 1-3, protection ring 1-4, longitudinal grouting behind shaft or drift lining pipe 1-5, horizontal grouting behind shaft or drift lining pipe
1-6。
Detailed description of the invention
Below in conjunction with the accompanying drawings, this utility model is described in further detail.
As Figure 1-3, a kind of grouting behind shaft or drift lining filling pile structure, including bored concrete pile body 1, wherein irrigate
Stake body 1 is preferably cylindrical, is positioned at the rear note stake 2 of bored concrete pile body 1 periphery and is positioned at perfusion
Stake 3 is noted after the level of stake body 1 bottom；Described bored concrete pile body 1 is provided with steel reinforcement cage, described steel
Muscle cage includes lengthways main steel bar 1-1, lateral tie 1-2, and tie hoop 1-3；Wherein, lengthways main steel bar
1-1, lateral tie 1-2 and tie hoop 1-3 are welded to each other fixing；Described lengthways main steel bar 1-1 is peripheral
Being welded with many group protection ring 1-4, each group of protection ring arranges 2-6 along the same even circumferential of steel reinforcement cage, excellent
Elect 4 as, two groups of adjacent protection ring interlaced arrangement；Described protection ring is handle-shaped；Described steel
The lengthways main steel bar 1-1 of muscle cage is also associated with longitudinal grouting behind shaft or drift lining pipe 1-5, is provided with horizontal stroke bottom described steel reinforcement cage
Grouting Pipe 1-6 backward；Being provided with several holes on described longitudinal grouting behind shaft or drift lining pipe 1-5 tube wall, low side is envelope
Closed end；Described horizontal grouting behind shaft or drift lining pipe 1-6 is inverted T shape structure, is provided with Guan Bi coil pipe, institute bottom it
It is provided with several holes on the closure disc tube wall stated；The hole of described longitudinal grouting behind shaft or drift lining pipe 1-5 and horizontal stroke
The hole of Grouting Pipe 1-6 is provided with adhesive waterproof tape parcel backward, prevents hole plug.
Wherein, the spacing between adjacent lengthways main steel bar 1-1 in described steel reinforcement cage is 13-18cm,
The spacing of adjacent lateral tie 1-2 is 10-20cm, pitch 12-17cm of tie hoop 1-3；Described
The a length of 8-18m, a diameter of 1.5-2.5m of steel reinforcement cage；The most adjacent lengthways main steel bar 1-1
Between spacing be 14cm, the spacing of adjacent lateral tie 1-2 is 15cm, tie hoop 1-3's
Pitch 13cm；The a length of 10m of described steel reinforcement cage, a diameter of 2m；Indulging in described steel reinforcement cage
Rebar surface to main muscle 1-1, lateral tie 1-2 and tie hoop 1-3 is coated with antirust coat, anti-
The thickness of rusty scale is 100-200 μm.Wherein, note stake 3 after noting stake 2 and level the most afterwards and improve pile body
With the annexation of the soil body, improve single-column bearing capacity.Steel reinforcement cage has Stability Analysis of Structures, and stress is uniform
Feature, serves the stable effect strengthening supporting bored concrete pile.Protection ring 1-4 serves protection steel reinforcement cage
Effect, it is adaptable to different geological conditions.Longitudinal grouting behind shaft or drift lining pipe 1-5 and laterally grouting behind shaft or drift lining pipe 1-6
Can select PVC material or stainless steel, wherein, hole surface is wrapped up by adhesive waterproof tape, it is therefore prevented that
When pouring bored concrete pile body in advance, cement mortar pours in down a chimney, and has poured and after maintenance at bored concrete pile body,
Grouting behind shaft or drift lining operation is carried out, due to grouting behind shaft or drift lining again from longitudinal grouting behind shaft or drift lining pipe 1-5 and horizontal grouting behind shaft or drift lining pipe 1-6
Pressure is bigger, it is possible to breaks through adhesive waterproof tape and flows out from hole, improves the combination of pile body and soil layer.
Grouting behind shaft or drift lining filling pile structure disclosed above has simple in construction, cost is low, be beneficial to the advantage of popularization,
Can be widely applied in the bored concrete pile of Post Grouting Technique, effectively improve soil layer and sediment impact, improve
Single pile bearing capacity, reduces bearing capacity of single pile difference.
It is pointed out that above-mentioned specific embodiment mode is only that this utility model is the most specific
Embodiment, be not intended that restriction of the present utility model, any this utility model claim that falls into
It is real that embodiment in the protection domain of the present utility model that feature or equivalent feature are constituted all constitutes infringement
With novel patent right.
Claims (6)
1. a grouting behind shaft or drift lining filling pile structure, it is characterised in that include bored concrete pile body (1), note stake (3) after noting stake (2) after being positioned at peripheral vertical of bored concrete pile body and being positioned at the level of bored concrete pile body lower part；
Described bored concrete pile body (1) is provided with steel reinforcement cage, and described steel reinforcement cage includes lengthways main steel bar (1-1), lateral tie (1-2), and tie hoop (1-3)；Wherein, lengthways main steel bar (1-1), lateral tie (1-2) and tie hoop (1-3) are welded to each other fixing；
Described lengthways main steel bar (1-1) peripheral solder organizes protection ring (1-4) more, and each group of protection ring arranges 2-6 along the same even circumferential of steel reinforcement cage, two groups of adjacent protection ring interlaced arrangement；Described protection ring is handle-shaped；
The lengthways main steel bar (1-1) of described steel reinforcement cage is also associated with longitudinal grouting behind shaft or drift lining pipe (1-5), is provided with horizontal grouting behind shaft or drift lining pipe (1-6) bottom described steel reinforcement cage；Being provided with several holes on described longitudinal grouting behind shaft or drift lining pipe (1-5) tube wall, low side is blind end；Described horizontal grouting behind shaft or drift lining pipe (1-6) is inverted T shape structure, is provided with Guan Bi coil pipe, described closure disc tube wall is provided with several holes bottom it；
The hole of described longitudinal grouting behind shaft or drift lining pipe (1-5) and the hole of horizontal grouting behind shaft or drift lining pipe (1-6) are provided with adhesive waterproof tape parcel, prevent hole plug.
A kind of grouting behind shaft or drift lining filling pile structure the most according to claim 1, it is characterized in that, the spacing between adjacent lengthways main steel bar (1-1) in described steel reinforcement cage is 13-18cm, the spacing of adjacent lateral tie (1-2) is 10-20cm, pitch 12-17cm of tie hoop (1-3)；The a length of 8-18m of described steel reinforcement cage, a diameter of 1.5-2.5m.
A kind of grouting behind shaft or drift lining filling pile structure the most according to claim 2, it is characterized in that, the spacing between adjacent lengthways main steel bar (1-1) in described steel reinforcement cage is 14cm, the spacing of adjacent lateral tie (1-2) is 15cm, pitch 13cm of tie hoop (1-3)；The a length of 10m of described steel reinforcement cage, a diameter of 2m.
A kind of grouting behind shaft or drift lining filling pile structure the most according to claim 1, it is characterized in that, the rebar surface of lengthways main steel bar (1-1), lateral tie (1-2) and tie hoop (1-3) in described steel reinforcement cage is coated with antirust coat, and the thickness of antirust coat is 100-200 μm.
A kind of grouting behind shaft or drift lining filling pile structure the most according to claim 1, it is characterised in that described bored concrete pile body (1) is cylindrical.
A kind of grouting behind shaft or drift lining filling pile structure the most according to claim 1, it is characterised in that each group of described protection ring arranges 4 along the same even circumferential of steel reinforcement cage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620216673.5U CN205501993U (en) | 2016-03-21 | 2016-03-21 | Back slip casting bored concrete pile structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620216673.5U CN205501993U (en) | 2016-03-21 | 2016-03-21 | Back slip casting bored concrete pile structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205501993U true CN205501993U (en) | 2016-08-24 |
Family
ID=56732003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620216673.5U Active CN205501993U (en) | 2016-03-21 | 2016-03-21 | Back slip casting bored concrete pile structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205501993U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112281824A (en) * | 2020-10-30 | 2021-01-29 | 黄淮学院 | Post-grouting construction method for pile bottom of post-inserted reinforcement cage of cast-in-place concrete pile |
-
2016
- 2016-03-21 CN CN201620216673.5U patent/CN205501993U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112281824A (en) * | 2020-10-30 | 2021-01-29 | 黄淮学院 | Post-grouting construction method for pile bottom of post-inserted reinforcement cage of cast-in-place concrete pile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100007 Dazhuang Village South, Daxing District, Beijing Patentee after: CHINA CHEMICAL ENGINEERING HEAVY MECHANIZATION CO., LTD. Address before: 100007 Dazhuang Village South, Daxing District, Beijing Patentee before: China Chemical Engineering Heavy Machinery Co. |
|
| CP01 | Change in the name or title of a patent holder |