CN218346166U - Temporary casing for pile foundation engineering - Google Patents
Temporary casing for pile foundation engineering Download PDFInfo
- Publication number
- CN218346166U CN218346166U CN202222320937.XU CN202222320937U CN218346166U CN 218346166 U CN218346166 U CN 218346166U CN 202222320937 U CN202222320937 U CN 202222320937U CN 218346166 U CN218346166 U CN 218346166U
- Authority
- CN
- China
- Prior art keywords
- permanent
- section
- casing
- thick bamboo
- pile foundation
- 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
Images
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model relates to a bridge engineering field, in particular to a protect a section of thick bamboo temporarily for pile foundation engineering, including hollow columnar structure and connecting portion, connecting portion set up in the one end of hollow columnar structure, hollow columnar structure is used for protecting a section of thick bamboo with permanent and aligns the intercommunication, connecting portion are used for protecting a section of thick bamboo with permanent and can dismantle and be connected, connecting portion are used for restricting hollow columnar structure and protect a horizontal migration for permanent. Set up connecting portion through the one end at hollow columnar structure spare, connecting portion protect a section of thick bamboo with permanent and be connected, make a permanent section of thick bamboo that protects replace part protect a section of thick bamboo temporarily, reach material saving's purpose, and because connecting portion protect a section of thick bamboo with permanent and can dismantle and be connected, make and protect a section of thick bamboo temporarily and can use lifting device to pull out fast, greatly reduced the time of pulling out, the section of thick bamboo diameter is little than former technology protects temporarily to protect temporarily after the improvement, has reduced the concrete use amount.
Description
Technical Field
The utility model relates to a bridge engineering field, in particular to a protect a section of thick bamboo temporarily for pile foundation engineering.
Background
As shown in figure 1, the existing permanent casing lowering mode in weak geology such as fine sand mainly comprises the steps of carrying out whole-course follow-up on the temporary casing, and carrying out permanent casing lowering after a pile foundation is drilled to the designed elevation of the permanent casing.
The temporary pile casing is driven in the whole process, which means that the use amount of materials is huge, the material cost of the temporary pile casing is very high, meanwhile, the permanent pile casing is mainly applied to a pile group structure of a pier in water, if the temporary pile casing is driven in the whole process, a base station needs to be poured on the top of a pile foundation, the dense temporary pile casing above the top of the pile foundation can influence the excavation progress of a foundation pit, part of the temporary pile casing needs to be cut off in order to enable the base station to be firm, and the cutting off of the temporary pile casing can only be carried out layer-by-layer cutting off along with the excavation progress, so that the progress is very slow; meanwhile, the temporary pile casing cut off in layers is seriously damaged and cannot be reused basically, so that the construction cost and the material cost are very high when the temporary pile casing is constructed and formed in a follow-up manner in the whole process by adopting the prior art, and the temporary pile casing is difficult to cut off, so that the construction period is influenced.
Therefore, a technical solution is needed to solve the technical problems that the temporary casing has a large follow-up amount in the whole process, is difficult to be cut, and cannot be reused after being cut.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the temporary pile casing for the pile foundation engineering is provided aiming at the technical problems that the temporary pile casing is large in whole-course follow-up using amount, difficult to cut and incapable of being reused after being cut.
In order to realize the purpose, the utility model discloses a technical scheme be:
the utility model provides a protect a section of thick bamboo temporarily for pile foundation engineering, includes hollow columnar structure spare and connecting portion, connecting portion set up in hollow columnar structure spare's one end, hollow columnar structure spare is used for protecting a section of thick bamboo with permanent and aligns the intercommunication, connecting portion are used for protecting a section of thick bamboo with permanent and can dismantle and be connected, connecting portion are used for restricting hollow columnar structure spare and protect a horizontal migration for permanent.
The utility model discloses a protect a section of thick bamboo temporarily for pile foundation engineering sets up connecting portion through the one end at hollow columnar structure spare, and connecting portion protect a section of thick bamboo with permanent and be connected, make permanently protect a section of thick bamboo and replace the part and protect a section of thick bamboo temporarily, reach material saving's purpose, and because connecting portion protect a section of thick bamboo with permanent and can dismantle and be connected, make temporarily protect a section of thick bamboo and can use lifting device to pull out fast, greatly reduced the pull-out time, the section of thick bamboo that protects temporarily after the improvement protects than former technology protects a section of thick bamboo diameter temporarily little, reduced the concrete volume.
As the preferred scheme of the utility model, the terminal surface of hollow column structure spare constitutes the butt joint face, the butt joint face is used for protecting a top surface with permanent and matches the laminating. The terminal surface of hollow columnar structure spare and the laminating of permanent casing terminal surface set up and can realize better sealed effect, avoid impurity such as quicksand sneak into the pile foundation intensity change that pouring material leads to when pouring.
As the preferred scheme of the utility model, connecting portion with hollow column structure welded connection or integrated into one piece. The welding connection cost is lower, and the integrated into one piece structure is more stable.
As the utility model discloses a preferred scheme, connecting portion include canned paragraph and matching section, the canned paragraph with hollow columnar structure connects, matching section be used for with permanent casing outer wall cooperation. The canned paragraph welds with hollow columnar structure spare, and the matching section sets up to surpassing permanently protects a terminal surface, and matching section and the cooperation of the permanent outer wall of protecting can provide better spacing effect.
As the preferred scheme of the utility model, the matching section sets up the fitting surface with permanent casing outer wall adaptation. The matching section is arranged on the outer wall of the permanent pile casing, so that the temporary pile casing can be pulled out more easily.
As the utility model discloses a preferred scheme, connecting portion include the connecting block, and are a plurality of the connecting block encircles hollow columnar structure spare sets up. Is arranged around the hollow columnar structural part and can provide a limiting effect when being arranged on a permanent protective cylinder
As the utility model discloses an optimal selection scheme, it is a plurality of the connecting block encircles hollow column structure spare is evenly arranged. The stress on the connecting part is more uniform, and the strength of the connecting part is improved.
As the utility model discloses an optimal scheme, hollow columnar structure inner wall sets up a plurality of reinforcements, the reinforcement with the terminal surface of hollow columnar structure flushes the setting, the reinforcement sets up at least the connecting block is in the projection face of hollow columnar structure inner wall. The strength of the connected end face is improved, the end face is not easy to deform, and the influence of local deformation on the construction process is avoided.
As the utility model discloses a preferred scheme, connecting portion include annular structure, annular structure inner wall with hollow column structure outer wall cooperation is connected, annular structure is used for the card to hold in a permanent section of thick bamboo tip that protects. The clamping structure can also realize the limiting effect.
As the preferred scheme of the utility model, hollow column structure lateral wall is provided with the lug. The lug is used for loading and unloading the interim casing.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses a temporary casing for pile foundation engineering, through setting up connecting portion in the one end of hollow columnar structure spare, connecting portion and permanent casing are connected, make permanent casing replace partial temporary casing, reach material saving's purpose, and because connecting portion and permanent casing can be dismantled and be connected, make temporary casing can use lifting device to pull out fast, greatly reduced the pull-out time, the temporary casing after the improvement is less than the temporary casing diameter of original technology, reduced the concrete use amount;
2. the utility model discloses a protect a section of thick bamboo temporarily for pile foundation engineering directly pulls out through the vibratory hammer and protects a section of thick bamboo temporarily, the cushion cap foundation ditch excavation time that has significantly reduced makes the contribution for the early sunrise surface of water of aquatic mound to the interim steel that directly pulls out protects a section of thick bamboo damage and can fall down once more less, has reduced construction cost.
Drawings
FIG. 1 is a cross-sectional structural schematic diagram of a temporary casing and a permanent casing of the prior art;
fig. 2 is a cross-sectional structural view of a temporary casing for pile foundation engineering;
fig. 3 is a schematic top view of a temporary casing for pile foundation engineering;
fig. 4 is a schematic sectional view showing a temporary casing for pile foundation engineering in use;
fig. 5 is a schematic top view of a temporary casing for pile foundation engineering according to embodiment 2;
fig. 6 is a schematic top view of a temporary casing for pile foundation engineering in embodiment 3.
An icon:
1-hollow columnar structural part, 2-permanent pile casing design elevation, 3-permanent pile casing, 4-connecting part and 5-reinforcing part.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1
A protect a section of thick bamboo temporarily for pile foundation engineering as shown in figure 1-5, including hollow columnar structure 1 and connecting portion 4, connecting portion 4 set up in hollow columnar structure 1's one end, hollow columnar structure 1 is used for protecting a section of thick bamboo 3 with permanent and aligns the intercommunication, connecting portion 4 are used for protecting a section of thick bamboo 3 with permanent and can dismantle and be connected, connecting portion 4 are used for restricting hollow columnar structure 1 and protect a section of thick bamboo 3 horizontal migration for permanent.
Specifically, the terminal surface of hollow columnar structure 1 constitutes the butt joint face, the butt joint face is used for protecting a 3 top surfaces matching laminating with permanent, connecting portion 4 with 1 welded connection of hollow columnar structure, connecting portion 4 includes canned paragraph and matching section, the canned paragraph with hollow columnar structure 1 is connected, the matching section be used for with the cooperation of protecting a 3 outer walls of a section of thick bamboo permanently.
Specifically, the matching section is provided with a matching surface matched with the outer wall of the permanent casing 3, the connecting part 4 comprises a plurality of connecting blocks, the connecting blocks surround the hollow columnar structural member 1 and are evenly distributed, and the connecting blocks divide the end face of the hollow columnar structural member 1 into eight parts.
Specifically, 1 inner wall of hollow columnar structure spare sets up a plurality of reinforcements 5, reinforcement 5 with the terminal surface of hollow columnar structure spare 1 flushes the setting, reinforcement 5 sets up at least the connecting block is in the projection face of 1 inner wall of hollow columnar structure spare.
Specifically, hollow columnar structure 1 is cylindricly, and the external diameter is 1800mm, and the outer wall welding 180mm 100mm 22mm steel sheet of its terminal surface is as the connecting block, and is adjacent the angle that connecting block and terminal surface centre of a circle become is 45 degrees, and the steel sheet that the interior limit welding 120mm 100mm 22mm that every connecting block corresponds is as reinforcement 5.
The temporary pile casing for the pile foundation engineering, which is disclosed by the embodiment, is characterized in that when the pile casing is buried underground, the cross pile casing is used for lowering the pile casing to be positioned and checked, the deviation of the plane position of the center of the pile casing and the center of the pile is not more than 5cm, and the inclination is not more than 1%. After the permanent steel pile casing is buried, a vibration hammer is used for pressing down, when the permanent pile casing 3 is pressed to be 1m above the top surface of the steel platform, the temporary pile casing is immediately replaced and pressed down again until the driving depth is unchanged; after the pile foundation is poured, the lifting lugs of the temporary pile casing are connected with hoisting equipment, and the vibration hammer is used for pulling out the temporary pile casing.
Example 2
As shown in fig. 5, the structure of the temporary casing for pile foundation engineering is the same as that of embodiment 1, and is different from embodiment 1 in that the connecting portion 4 includes an annular structural member, the inner wall of the annular structural member is connected with the outer wall of the hollow columnar structural member 1 in a matching manner, and the annular structural member is used for being clamped at the end of the permanent casing 3.
Example 3
As shown in fig. 6 a protect a section of thick bamboo temporarily for pile foundation engineering, its structure is the same with embodiment 1, is different with embodiment 1, hollow columnar structure 1 does not set up reinforcement 5, and a plurality of connecting portion 4 set up in hollow columnar structure 1 inner wall, the vertical setting of connecting portion 4, connecting portion 4 one end surpasss the terminal surface of hollow columnar structure 1, the other end and the setting of hollow columnar structure 1 parallel and level, for conveniently pulling out, connecting portion 4 are the triangular column structure, connecting portion 4 joint protects a section of thick bamboo 3 inside in the permanent.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a protect a section of thick bamboo temporarily for pile foundation engineering, a serial communication port, including hollow columnar structure spare (1) and connecting portion (4), connecting portion (4) set up in the one end of hollow columnar structure spare (1), hollow columnar structure spare (1) are used for protecting a section of thick bamboo (3) with permanent and align the intercommunication, connecting portion (4) are used for protecting a section of thick bamboo (3) with permanent and can dismantle and be connected, connecting portion (4) are used for restricting hollow columnar structure spare (1) and protect a section of thick bamboo (3) horizontal migration for permanent.
2. A temporary casing for pile foundation engineering according to claim 1, wherein the end faces of the hollow cylindrical structural members (1) form abutment surfaces for mating engagement with the top surface of the permanent casing (3).
3. A temporary casing for pile foundation engineering according to claim 1, characterised in that the connecting part (4) is welded or integrally formed with the hollow cylindrical structural part (1).
4. A temporary casing for pile foundation engineering according to claim 1, characterised in that the connection part (4) comprises a fixing section connected to the hollow cylindrical structure (1) and a matching section for cooperation with the outer wall of the permanent casing (3).
5. A temporary casing for pile foundation engineering according to claim 4, characterised in that the mating sections provide mating surfaces for mating with the outer wall of the permanent casing (3).
6. A temporary casing for pile foundation engineering according to claim 5, characterised in that the connecting part (4) comprises connecting blocks, several of which are arranged around the hollow cylindrical structural part (1).
7. A temporary casing for pile foundation engineering according to claim 6, characterised in that a number of said connecting blocks are evenly arranged around said hollow cylindrical structural member (1).
8. The temporary casing for pile foundation engineering according to claim 7, wherein a plurality of reinforcing members (5) are arranged on the inner wall of the hollow columnar structure (1), the reinforcing members (5) are flush with the end surface of the hollow columnar structure (1), and the reinforcing members (5) are at least arranged in the projection plane of the connecting block on the inner wall of the hollow columnar structure (1).
9. A temporary casing for pile foundation engineering according to claim 5, wherein the connecting part (4) comprises an annular structure, the inner wall of the annular structure is in fit connection with the outer wall of the hollow cylindrical structure (1), and the annular structure is used for clamping the end part of the permanent casing (3).
10. A temporary casing for pile foundation engineering according to any one of claims 1 to 9, characterised in that the side walls of the hollow cylindrical structural member (1) are provided with lifting lugs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222320937.XU CN218346166U (en) | 2022-09-01 | 2022-09-01 | Temporary casing for pile foundation engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222320937.XU CN218346166U (en) | 2022-09-01 | 2022-09-01 | Temporary casing for pile foundation engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218346166U true CN218346166U (en) | 2023-01-20 |
Family
ID=84917162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222320937.XU Active CN218346166U (en) | 2022-09-01 | 2022-09-01 | Temporary casing for pile foundation engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218346166U (en) |
-
2022
- 2022-09-01 CN CN202222320937.XU patent/CN218346166U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108252310B (en) | Supporting structure using Larsen steel sheet pile and construction method thereof | |
| CN109667985B (en) | Method for butting pipe pushing jack and receiving well steel sleeve in pipe pushing construction | |
| CN104060617B (en) | The prefabricated assembled inner support system of foundation pit support system and construction method | |
| CN111005387A (en) | Deep foundation pit prestress support replacement support construction method | |
| CN111877329A (en) | Pile-in-pile broken pile and pile-splicing construction method | |
| CN101899831B (en) | Active variable-stiffness leveling pile and construction method thereof | |
| CN108978680B (en) | Mucky soil elevator foundation pit supporting construction device and method | |
| CN102251521A (en) | Reinforced prestressed tubular pile and construction method thereof | |
| CN218346166U (en) | Temporary casing for pile foundation engineering | |
| CN212104105U (en) | Deep foundation pit prestress support replacing and supporting system | |
| CN209838429U (en) | Back anchor shield constructs lining cutting supporting construction | |
| CN111677285A (en) | Bridge pier column concrete conduit method pouring construction process | |
| CN111519623A (en) | Prefabricated pile cap for detecting bearing capacity of pile body and construction method | |
| CN111395353A (en) | Foundation pit supporting device and method based on combination of steel sheet piles and vertical inclined struts | |
| CN112647495A (en) | Construction method of prefabricated end-bearing tubular pile | |
| CN211735364U (en) | Prefabricated assembly type dado manual hole digging pile | |
| CN212104812U (en) | Steel structure support column filled with concrete | |
| CN211080280U (en) | Large-diameter pile foundation enclosure miniature pile group | |
| CN208650067U (en) | Underground increasing layer excavates new supporting structure | |
| CN202577282U (en) | Molding equipment of cast-in-situ hollow piles | |
| CN208701748U (en) | It is inverse to make stage integration vertical support system | |
| JP6792239B2 (en) | Scuttling prevention device for steel pipe piles and scuttling prevention method | |
| JP2001241287A (en) | Construction method of shaft, assembly method of structural body used for construction method, and assembly device used for assembly method | |
| CN211446570U (en) | Abutment structure | |
| CN218562358U (en) | Shield constructs well supporting device that starts |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |