CN208251079U - A kind of anti-concrete slump device of shallow layer soft soil sleeve pile - Google Patents
A kind of anti-concrete slump device of shallow layer soft soil sleeve pile Download PDFInfo
- Publication number
- CN208251079U CN208251079U CN201820686939.1U CN201820686939U CN208251079U CN 208251079 U CN208251079 U CN 208251079U CN 201820686939 U CN201820686939 U CN 201820686939U CN 208251079 U CN208251079 U CN 208251079U
- Authority
- CN
- China
- Prior art keywords
- steel plate
- steel
- concrete
- inner arc
- reinforcement cage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses a kind of anti-concrete slump devices of shallow layer soft soil sleeve pile; it is characterized by comprising steel bushing (1), steel reinforcement cage (2), the steel reinforcement cage (2) includes main reinforcement (21), tie hoop (22), reinforcing rib (23) and periphery protection structure；The periphery protection structure includes inner arc steel plate (24), outer arcuate steel plate (25), connector (26)；Between the periphery protection structure and the steel reinforcement cage (2), it is filled with concrete in the steel reinforcement cage (2), is not filled with concrete between the steel bushing (1) and the periphery protection structure.This patent improves the steel reinforcement cage of shallow layer soft soil area range, using a kind of easy device, so that after casting concrete, there is not slump in pile concrete when pulling out steel pile casting, disposable pile concrete of completing pours, meet design and construction to require, solves the problems, such as the pile body slump after steel bushing difficulty is pulled out and pulled out, guarantee the integrality of pile body.
Description
Technical field
The utility model belongs to underground engineering field, and in particular to a kind of anti-concrete slump dress of shallow layer soft soil sleeve pile
It sets.
Background technique
Area filled for shallow layer soft soil area or shallow-layer building waste, when fender post pore-forming is easier to collapse hole occur, and pore-forming is difficult.
There are two types of processing mode is general:
One is take after floral tube grouting and reinforcing row pore-forming again to shallow layer soft soil or building waste landfill area；However, first
Kind mode is since slip casting is uneven, and often effect is poor；
As shown in Figure 1-3, another way is that shallow-layer is followed up using the steel pile casting of 2~4cm of wall thickness, under the protection of casing
Pore-forming；Although second way steel pile casting can play the role of good insulation blocking, pore-forming is more smooth, pours pile body coagulation
It after soil, needs to pull out steel pile casting before concrete initial set, after casing is extracted, due to the workability of concrete, pile concrete will
It is flowed into Soft Soil Layer or the hole in building waste landfill area, causes pile concrete slump, secondary pouring concrete need to be carried out,
The pile concrete of slump is supplemented, cold seam is formed in the new and old concrete surface poured, influences the integrality of pile body, stake
Base tends to find this defect when detecting；And when skirt depth reaches 8m or more, pulling out sleeve will become more difficult.
Utility model content
For at least one of prior art the above defects or improvement requirements, it is soft that the utility model provides a kind of shallow-layer
The anti-concrete slump device of soil suite cylinder pile, improves the steel reinforcement cage of shallow layer soft soil area range, using a kind of easy device,
So that slump does not occur in pile concrete when pulling out steel pile casting after casting concrete, disposable pile concrete of completing is poured, full
Foot design and construction require, and solve the problems, such as the pile body slump after steel bushing difficulty is pulled out and pulled out, guarantee the integrality of pile body.
To achieve the above object, according to the one aspect of the utility model, it is anti-to provide a kind of shallow layer soft soil sleeve pile
Concrete slump device, including steel bushing, steel reinforcement cage, the steel bushing are located at the depth bounds of shallow layer soft soil or building waste
Interior, the steel reinforcement cage is set in the steel bushing, its depth is more than the depth of shallow layer soft soil or building waste；
The steel reinforcement cage includes main reinforcement, tie hoop, reinforcing rib and periphery protection structure；Multiple main ribs surround annular
And it is axially extending, multiple reinforcing ribs are located at the inner ring of main ribs in a ring and axially arrange multiple, the spiral shell by spacing
Rotation stirrup is located at the outer ring of main ribs；
The periphery protection structure includes inner arc steel plate, outer arcuate steel plate, connector；
Multi-disc is arranged by spacing respectively on circumferential direction and in axial direction in the inner arc steel plate, is looped around the outer of the steel reinforcement cage
Week, and being fixedly connected by connector with the composite structure of main reinforcement, tie hoop, reinforcing rib, the inner arc steel plate with it is described
Gap is equipped between steel reinforcement cage；
The outer arcuate steel plate sets up multi-disc, itself is welded into closed tubular structure on circumferential direction with axis, is bonded
It is looped around the periphery of the inner arc steel plate, and is welded and fixed with the inner arc steel plate；It is described periphery protection structure with it is described
Gap is equipped between steel bushing；
Between the periphery protection structure and the steel reinforcement cage, concrete, the steel bushing are filled in the steel reinforcement cage
Concrete is not filled between the periphery protection structure.
Preferably, the connector is dowel, and the every inner arc steel plate is evenly equipped with multiple dowels, the dowel
With main ribs and the reinforcing rib firm welding.
Preferably, the axial spacing of the reinforcing rib is less than the axial height of the every inner arc steel plate, described in every
Two reinforcing ribs are at least set in inner arc steel plate altitude range.
Preferably, between the outer arcuate steel plate multiple circular welds in the axial direction and the axial direction of the inner arc steel plate
Gap is staggeredly arranged, and the circular weld of an outer arcuate steel plate is at least arranged in the every inner arc steel plate altitude range.
Preferably, the inner arc steel plate uses MJ1 curved plate, and every with a thickness of 8mm, axial height 2700mm.
Preferably, the outer arcuate steel plate uses M2 steel plate, and every with a thickness of 8mm.
Above-mentioned preferred feature can be combined with each other as long as they do not conflict with each other.
In general, have the above technical solutions conceived by the present invention are compared with the prior art, with following
Beneficial effect:
1, using the anti-concrete slump device of the utility model shallow layer soft soil sleeve pile, to the reinforcing bar of shallow-layer sleeve range
Cage is improved, so that sleeve, which is pulled out, becomes easy operation, slump does not occur in pile concrete, and pile quality is met the requirements；
2, the utility model is simple and easy, effective, does not influence the lifting of steel reinforcement cage, and cost is relatively low, can receive significant
Effect, steel bushing depth can deepen, and have stronger applicability, can be answered extensively in the foundation pit enclosure stake of subway and China Democratic National Construction Association
With the fender post that also can be used for solution cavity development area is perfused.
Detailed description of the invention
Fig. 1 is the steel reinforcement cage of traditional method and the elevation schematic diagram of steel bushing；
Fig. 2 is the pile concrete slump schematic diagram of traditional method；
Fig. 3 is the steel reinforcement cage Section A-A sectional view of traditional method；
Fig. 4 is structure of the anti-concrete slump device of shallow layer soft soil sleeve pile of the utility model before casting concrete
Schematic diagram；
Fig. 5 is that the anti-concrete slump device of shallow layer soft soil sleeve pile of the utility model pulls out steel after casting concrete
Structural schematic diagram after sleeve；
Fig. 6 is that steel reinforcement cage section B-B is improved in the anti-concrete slump device of shallow layer soft soil sleeve pile of the utility model
Diagrammatic cross-section.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.In addition, institute in the various embodiments of the present invention described below
The technical characteristic being related to can be combined with each other as long as they do not conflict with each other.With reference to embodiment to this
Utility model is further described.
As a kind of better embodiment of the utility model, as Figure 4-Figure 6, it is soft that the utility model provides a kind of shallow-layer
The anti-concrete slump device of soil suite cylinder pile, including steel bushing 1, steel reinforcement cage 2, the steel bushing 1 are located at shallow layer soft soil or building
In the depth bounds of rubbish, the steel reinforcement cage 2 is set in the steel bushing 1, its depth is more than shallow layer soft soil or building waste
Depth.
As shown in fig. 6, the steel reinforcement cage 2 includes main reinforcement 21, tie hoop 22, reinforcing rib 23 and periphery protection structure；It is more
A main ribs 21 surround annular and it is axially extending, multiple reinforcing ribs 23 in a ring positioned at main ribs 21 inner ring simultaneously
Axial multiple by spacing arrangement, the tie hoop 22 is located at the outer ring of main ribs 21.
The periphery protection structure includes inner arc steel plate 24, outer arcuate steel plate 25, connector 26.
Multi-disc is arranged by spacing respectively on circumferential direction and in axial direction in the inner arc steel plate 24, is looped around the steel reinforcement cage 2
Periphery, and be welded to connect by the composite structure of connector 26 and main reinforcement 21, tie hoop 22, reinforcing rib 23, the inner arc
Gap is equipped between shape steel plate 24 and the steel reinforcement cage 2.Preferably, the inner arc steel plate 24 uses MJ1 curved plate, often
Piece is 2700mm with a thickness of 8mm, axial height H.
The outer arcuate steel plate 25 sets up multi-disc, itself is welded into closed tubular structure on circumferential direction with axis, pastes
Cyclization is wound on the periphery of the inner arc steel plate 24, and is welded and fixed with the inner arc steel plate 24；The periphery protection structure
Gap is equipped between the steel bushing 1.Preferably, the outer arcuate steel plate 25 uses M2 steel plate, and every with a thickness of 8mm.
Between the periphery protection structure and the steel reinforcement cage 2, concrete, the steel bushing are filled in the steel reinforcement cage 2
Concrete is not filled between cylinder 1 and the periphery protection structure.
As shown in Figure 6, it is preferable that the connector 26 is dowel, and the every inner arc steel plate 24 is evenly equipped with multiple institutes
State dowel, such as the dowel that 6 diameters are 18mm, the dowel and 23 firm welding of main ribs 21 and the reinforcing rib.
As shown in Figure 4, it is preferable that the axial spacing of the reinforcing rib 23 is less than the axial direction of the every inner arc steel plate 24
Highly, two reinforcing ribs 23 are at least set in every 24 altitude range of inner arc steel plate.
As shown in Figure 4, it is preferable that the multiple circular welds of the outer arcuate steel plate 25 in the axial direction and the inner arc
The axial gap of steel plate 24 is staggeredly arranged, and the outer arcuate is at least arranged in every 24 altitude range of inner arc steel plate
The circular weld 27 of steel plate 25.
Using the anti-concrete slump device of the utility model shallow layer soft soil sleeve pile, to the steel reinforcement cage of shallow-layer sleeve range
It is improved, so that sleeve, which is pulled out, becomes easy operation, slump does not occur in pile concrete, and pile quality is met the requirements.This reality
With novel simple and easy, effective, the lifting of steel reinforcement cage is not influenced, cost is relatively low, can receive remarkable result, steel bushing depth
It can deepen, there is stronger applicability, can be used widely in the foundation pit enclosure stake of subway and China Democratic National Construction Association, also can be used for solution cavity
The fender post of development area is perfused.
The construction method of the anti-concrete slump device of shallow layer soft soil sleeve pile above-mentioned is briefly discussed below, it is not required that
It is protected as claim comprising following steps:
Step 1, determine shallow layer soft soil area or or building waste landfill area depth bounds, using steel bushing follow up pore-forming
Afterwards, the depth bounds of steel reinforcement cage 2 are determined according to aforementioned depth；Preferably, in the step 1, the depth tune of the follow-up of steel bushing 1
It is whole to protect the depth under structure situation deeper for less periphery.
Step 2, between being pressed respectively along main reinforcement 21, tie hoop 22, the composite structure border circumferential direction of reinforcing rib 23 and axial direction
Away from multi-disc inner arc steel plate 24 is uniformly arranged, by the combination of inner arc steel plate 24 and main reinforcement 21, tie hoop 22, reinforcing rib 23
Structure welding connection；Preferably, in the step 2, the axial spacing of reinforcing rib 23 is adjusted to less periphery protection structure feelings
Axial spacing 2000mm under condition shorter 1500mm.
Step 3 is welded in the periphery of interior curved plate 24 using outer arcuate steel plate 25 and inner arc steel plate 24, is formed whole
The closed periphery protection structure of body, is made steel reinforcement cage 2.
Step 4 lifts steel reinforcement cage 2, is protected between structure and steel reinforcement cage 2 outside after in place and 2 internal range of steel reinforcement cage
The interior disposable pile concrete of progress pours；Stake diameter D is remained unchanged compared with the stake diameter D of traditional approach.
Step 5, without casting concrete between steel bushing 1 and periphery protection structure, steel bushing 1 is in pile concrete initial set
It is preceding to pull out, pile concrete integrality is not influenced.
Preferably, further include step 6, after pile concrete solidifies completely, pour crown beam 3 on the top of pile concrete.
As it will be easily appreciated by one skilled in the art that the above is only the preferred embodiment of the utility model only, not
To limit the utility model, any modification made within the spirit and principle of the present invention, equivalent replacement and change
Into etc., it should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of anti-concrete slump device of shallow layer soft soil sleeve pile, it is characterised in that: including steel bushing (1), steel reinforcement cage
(2), the steel bushing (1) is located in the depth bounds of shallow layer soft soil or building waste, and the steel reinforcement cage (2) is set to the steel
The depth that sleeve (1) is interior, its depth is more than shallow layer soft soil or building waste；
The steel reinforcement cage (2) includes main reinforcement (21), tie hoop (22), reinforcing rib (23) and periphery protection structure；It is multiple described
Main reinforcement (21) surround annular and it is axially extending, multiple reinforcing ribs (23) in a ring positioned at main ribs (21) inner ring and axis
Multiple to arranging by spacing, the tie hoop (22) is located at the outer ring of main ribs (21)；
The periphery protection structure includes inner arc steel plate (24), outer arcuate steel plate (25), connector (26)；
Multi-disc is arranged by spacing respectively on circumferential direction and in axial direction in the inner arc steel plate (24), is looped around the steel reinforcement cage (2)
Periphery, and be fixedly connected by connector (26) with the composite structure of main reinforcement (21), tie hoop (22), reinforcing rib (23),
Gap is equipped between the inner arc steel plate (24) and the steel reinforcement cage (2)；
The outer arcuate steel plate (25) sets up multi-disc, itself is welded into closed tubular structure on circumferential direction with axis, is bonded
It is looped around the periphery of the inner arc steel plate (24), and is welded and fixed with the inner arc steel plate (24)；The periphery protection knot
Gap is equipped between structure and the steel bushing (1)；
Between the periphery protection structure and the steel reinforcement cage (2), concrete, the steel bushing are filled in the steel reinforcement cage (2)
Concrete is not filled between cylinder (1) and the periphery protection structure.
2. the anti-concrete slump device of shallow layer soft soil sleeve pile as described in claim 1, it is characterised in that: the connector
(26) be dowel, the every inner arc steel plate (24) is evenly equipped with multiple dowels, the dowel and main ribs (21) and
Reinforcing rib (23) firm welding.
3. the anti-concrete slump device of shallow layer soft soil sleeve pile as described in claim 1, it is characterised in that: the reinforcing rib
(23) axial spacing is less than the axial height of the every inner arc steel plate (24), every inner arc steel plate (24) height
Two reinforcing ribs (23) are at least set in range.
4. the anti-concrete slump device of shallow layer soft soil sleeve pile as described in claim 1, it is characterised in that: the outer arcuate
The multiple circular welds of steel plate (25) in the axial direction and the axial gap of the inner arc steel plate (24) are staggeredly arranged, every institute
State the circular weld (27) that an outer arcuate steel plate (25) is at least set in inner arc steel plate (24) altitude range.
5. the anti-concrete slump device of shallow layer soft soil sleeve pile as described in claim 1, it is characterised in that: the inner arc
Steel plate (24) uses MJ1 curved plate, and every with a thickness of 8mm, axial height 2700mm.
6. the anti-concrete slump device of shallow layer soft soil sleeve pile as described in claim 1, it is characterised in that: the outer arcuate
Steel plate (25) uses M2 steel plate, and every with a thickness of 8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820686939.1U CN208251079U (en) | 2018-05-09 | 2018-05-09 | A kind of anti-concrete slump device of shallow layer soft soil sleeve pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820686939.1U CN208251079U (en) | 2018-05-09 | 2018-05-09 | A kind of anti-concrete slump device of shallow layer soft soil sleeve pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208251079U true CN208251079U (en) | 2018-12-18 |
Family
ID=64634942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820686939.1U Active CN208251079U (en) | 2018-05-09 | 2018-05-09 | A kind of anti-concrete slump device of shallow layer soft soil sleeve pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208251079U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108374412A (en) * | 2018-05-09 | 2018-08-07 | 中铁第四勘察设计院集团有限公司 | A kind of anti-concrete slump device of shallow layer soft soil sleeve pile and its construction method |
-
2018
- 2018-05-09 CN CN201820686939.1U patent/CN208251079U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108374412A (en) * | 2018-05-09 | 2018-08-07 | 中铁第四勘察设计院集团有限公司 | A kind of anti-concrete slump device of shallow layer soft soil sleeve pile and its construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105780935B (en) | Prefabricated assembled steel tube confinement energy consumption connecting node and construction method | |
| CN108149844A (en) | A kind of self-positioning assembly concrete-filled steel tube intercolumniation node and its construction method | |
| CN108301570A (en) | Half grout sleeve processing method of antidetonation self-locking, concrete member processing method | |
| CN208844417U (en) | A kind of outer precast construction for pier column and its outer prefabricated interior cast-in-place pier column | |
| CN208251079U (en) | A kind of anti-concrete slump device of shallow layer soft soil sleeve pile | |
| CN108915156A (en) | Combined grouting sleeve connection structure and reinforcing bar connection construction method | |
| CN106948504A (en) | Assembled wallboard water seepage prevention vertical abutment joint structure and its construction method | |
| CN110042844A (en) | A kind of construction method of cast-in-place major diameter foundation pit support pipe pile | |
| CN105926595A (en) | Construction method for rammed and reamed pre-stressed hollow pipe pile | |
| CN206034426U (en) | Pour into double reinforcement cage structure of pile foundation | |
| CN108316290A (en) | One pile for one column structure without cushion cap and its construction method | |
| CN207017643U (en) | Suitable for the positioning of circular reinforced concrete post steel reinforcing and mould plate supporting device | |
| CN205577430U (en) | Concrete placement structure is managed to big scale of construction composite steel concrete column body swift current ball formula pipe cluster in ground | |
| CN108638317A (en) | A kind of spheroidal graphite cast-iron push pipe is with pouring tooling and its working method | |
| CN105484279B (en) | A kind of construction method of drainage type cast in place concrete thin tunnel pile | |
| CN100443670C (en) | Construction method of jacketed pipe-sinking caisson pile | |
| CN209397712U (en) | The connection structure of antidetonation steel pipe in a kind of shear wall | |
| CN108374412A (en) | A kind of anti-concrete slump device of shallow layer soft soil sleeve pile and its construction method | |
| CN207863185U (en) | A kind of Novel steel pipe concrete pole splicing apparatus of band edge sleeve-board cylinder | |
| CN111255161A (en) | Steel bar connection grouting sleeve structure and construction process | |
| CN109778894A (en) | A kind of railroad bridge tubular pole and cushion cap connection structure, foundation structure and construction method | |
| CN110439592A (en) | Shield tunnel two serves as a contrast concrete structure and construction method | |
| CN113445609B (en) | Well chamber prefabricated by municipal rainwater and sewage and well chamber pipe orifice plugging construction method | |
| CN106592586B (en) | Additional cuff back-up sand building stones prefabricated pile and its construction method | |
| CN108625364A (en) | A kind of foundation pit steel pipe post stake concrete pouring is anti-to stream construction method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |