CN204715350U - A kind of for stake top mark height in the pile extension device of design elevation - Google Patents
A kind of for stake top mark height in the pile extension device of design elevation Download PDFInfo
- Publication number
- CN204715350U CN204715350U CN201520421634.4U CN201520421634U CN204715350U CN 204715350 U CN204715350 U CN 204715350U CN 201520421634 U CN201520421634 U CN 201520421634U CN 204715350 U CN204715350 U CN 204715350U
- Authority
- CN
- China
- Prior art keywords
- flitch
- bellows
- design elevation
- stake top
- mark height
- 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.)
- Expired - Fee Related
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000002689 soil Substances 0.000 claims abstract description 10
- 229910052742 iron Inorganic materials 0.000 claims abstract description 9
- 229920001903 high density polyethylene Polymers 0.000 claims description 3
- 239000004700 high-density polyethylene Substances 0.000 claims description 3
- 239000010977 jade Substances 0.000 claims description 3
- 238000003475 lamination Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 8
- 238000009415 formwork Methods 0.000 abstract description 4
- 238000005266 casting Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 208000019300 CLIPPERS Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 208000021930 chronic lymphocytic inflammation with pontine perivascular enhancement responsive to steroids Diseases 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000009416 shuttering Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
For stake top mark height in a pile extension device for design elevation, bellows outer wall is vertically arranged multiple first flitch, the first flitch is fixed on bellows by many fastening iron wires.Be provided with the second flitch between bellows and surrounding soil, the second flitch bottom contacts with soil, and top contacts with the first flitch, and the second flitch is obliquely installed.By adopting the mode of bellows pile extension, stake top mark height being dealt with in the situation of design elevation, utilizes bellows as formwork for placing, ensureing pouring quality; Utilize the first flitch to be vertically fixed on bellows outer wall, ensure that the vertical of the bellows in casting process; And the second flitch arranged, further ensure the stable of bellows, improve construction quality.By adopting said structure, be compared to existing stake top mark height in the settling mode of design elevation, this novel provided structure and mode operate more simple, and not by space constraint, formwork assembling and disassembling is convenient, and can ensure construction quality.
Description
Technical field
The utility model relates to pile foundation construction field, particularly a kind of for stake top mark height in the pile extension device of design elevation.
Background technology
The engineerings such as existing apartment is built, bridge adopt pile foundation in a large number, especially in the majority with pile for prestressed pipe, precast square pile, castinplace pile.And unavoidable appearance occurs super situation about sending and mechanical clashing and breaking pile body in digging process needing to cut off bad segments because of Geological Reasons in pile for prestressed pipe and construction of prefabricated piles process, cause a top mark height in design elevation.Another castinplace pile also easily occurs that in work progress aperture casing is extracted too early, and soil body extruding causes quality problems such as stake top concrete folder mud, leakiness etc., and to cut after this defective part that stake top mark is high will lower than design elevation.Need at stake jacking row pile extension for this kind of situation.General pile extension scheme all needs to increase additional bar cage, and shuttering adopts concreting to design elevation, or adopts hand excavated pile to carry out pile extension.But because pile extension position is at below ground, limit by operating space, column-form makes and peace tears equal inconvenience open, and adopts hand excavated pile time-consuming, and safety not easily ensures.
Summary of the invention
Technical problem to be solved in the utility model be to provide a kind of for stake top mark height in the pile extension device of design elevation, the safe, efficient of construction can be ensured, guarantee pile extension concrete pouring quality, and this apparatus structure is simple, easy accessibility, can reuse.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of for stake top mark height in the pile extension device of design elevation, bellows outer wall is vertically arranged multiple first flitch, the first flitch is fixed on bellows by many fastening iron wires.
In preferred scheme, be provided with the second flitch between described bellows and surrounding soil, the second flitch bottom contacts with soil, and top contacts with the first flitch, and the second flitch is obliquely installed.
In preferred scheme, described bellows is made up of two semicolumns.
In preferred scheme, described bellows is the two ancient piece of jade, round, flat and with a hole in its centre bellows of HDPE, and its minimum lamination wall thickness is 4.5mm, ring stiffness SN >=4.
In preferred scheme, the first flitch length should be identical with pile extension length, avoids occurring joint, if single flitch length is less than pile extension length, the mode of overlap joint can be adopted to regulate.
The utility model provide a kind of for stake top mark height in the pile extension device of design elevation, by adopting the mode of bellows pile extension, stake top mark height is dealt with in the situation of design elevation, utilize bellows as formwork for placing, rely on the owned rigidity of bellows, on-deformable feature, ensures pouring quality; Utilize the first flitch to be vertically fixed on bellows outer wall, ensure that the vertical of the bellows in casting process; And the second flitch arranged, further ensure the stable of bellows, improve construction quality.By adopting said structure, be compared to existing stake top mark height in the settling mode of design elevation, this novel provided structure and mode operate more simple, and not by space constraint, formwork assembling and disassembling is convenient, and can ensure construction quality.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail:
Fig. 1 is positive facade structural representation of the present utility model.
In figure: bellows 1, the first flitch 2, fastening iron wire 3, second flitch 4.
Detailed description of the invention
As in figure, a kind of for stake top mark height in the pile extension device of design elevation, bellows 1 outer wall is vertically arranged multiple first flitch 2, first flitch 2 and is fixed on bellows 1 by many fastening iron wires 3.
In preferred scheme, be provided with the second flitch 4, second flitch 4 bottom between described bellows 1 and surrounding soil and contact with soil, top contacts with the first flitch 2, and the second flitch 4 is obliquely installed.Utilize the second flitch to be fixed whole bellows, ensure the stability of bellows in casting process.
In preferred scheme, described bellows 1 is made up of two semicolumns.Bellows is cut into two parts, facilitate the dismounting of bellows.
In preferred scheme, described bellows 1 is the two ancient piece of jade, round, flat and with a hole in its centre bellows of HDPE, and its minimum lamination wall thickness is 4.5mm, and ring stiffness is SN >=4.
By adopting said structure, realize the pile extension of stake top mark height in design elevation situation, and ensure that the process of pile extension process is simply efficient, ensure that the construction quality in later stage.
Embodiment 1:
Choose the bellows of corresponding internal diameter according to designing requirement, adopt cutting machine longitudinally to cut open bellows into two halves, be convenient to detaching device.The good semicircle bellows of split, formation class is cylindrical, first flitch 2 of 50 × 100mm is laid outside pipe, along all long spacing≤250mm as vertical reinforcing, adopt fastening iron wire 3 first to fix bellows two ends flitch, top, bottom from bellows top, end distance is 200mm, interlude fastening iron wire 3 spacing controls within 750mm, flitch can be adopted to overlap when flitch is shorter than bellows height, lap length is 1.0m, and has at least the fastening iron wire 3 of twice to reinforce within the scope of this overlap joint.Reinforce good rear lower additional bar cage, the more lower plate device reinforced, adopt short steel pipes to prize, slight adjusting device is to design plane position.Utilize on-the-spot discarded flitch, be cut into the second suitable flitch 4, flitch one end withstands on the first flitch 2, and one end withstands on foundation ditch surrounding soil.Concreting, until after strength of mould stripping, removes the second flitch 4, then cuts off fastening iron wire 3 with bolt clipper, can light detaching device.
Claims (4)
1. for stake top mark height in a pile extension device for design elevation, it is characterized in that: bellows (1) outer wall is vertically arranged multiple first flitch (2), the first flitch (2) is fixed on bellows (1) by many fastening iron wires (3).
2. according to claim 1 a kind of for stake top mark height in the pile extension device of design elevation, it is characterized in that: between described bellows (1) and surrounding soil, be provided with the second flitch (4), second flitch (4) bottom contacts with soil, top contacts with the first flitch (2), and the second flitch (4) is obliquely installed.
3. according to claim 1 a kind of for stake top mark height in the pile extension device of design elevation, it is characterized in that: described bellows (1) is made up of two semicolumns.
4. according to claim 1 a kind of for stake top mark height in the pile extension device of design elevation, it is characterized in that: described bellows (1) is the two ancient piece of jade, round, flat and with a hole in its centre bellows of HDPE, and its minimum lamination wall thickness is 4.5mm, ring stiffness SN >=4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520421634.4U CN204715350U (en) | 2015-06-18 | 2015-06-18 | A kind of for stake top mark height in the pile extension device of design elevation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520421634.4U CN204715350U (en) | 2015-06-18 | 2015-06-18 | A kind of for stake top mark height in the pile extension device of design elevation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204715350U true CN204715350U (en) | 2015-10-21 |
Family
ID=54314354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520421634.4U Expired - Fee Related CN204715350U (en) | 2015-06-18 | 2015-06-18 | A kind of for stake top mark height in the pile extension device of design elevation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204715350U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106836195A (en) * | 2017-03-13 | 2017-06-13 | 中国十七冶集团有限公司 | Pile extension device and pile extension method that a kind of use waste and scrap makes |
-
2015
- 2015-06-18 CN CN201520421634.4U patent/CN204715350U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106836195A (en) * | 2017-03-13 | 2017-06-13 | 中国十七冶集团有限公司 | Pile extension device and pile extension method that a kind of use waste and scrap makes |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151021 |