CN215562574U - Steel casing suitable for pile foundation construction under coal ash geological conditions - Google Patents
Steel casing suitable for pile foundation construction under coal ash geological conditions Download PDFInfo
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- CN215562574U CN215562574U CN202121207350.7U CN202121207350U CN215562574U CN 215562574 U CN215562574 U CN 215562574U CN 202121207350 U CN202121207350 U CN 202121207350U CN 215562574 U CN215562574 U CN 215562574U
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Abstract
The utility model discloses a steel casing suitable for pile foundation construction under a coal ash geological condition, which comprises a manganese steel casing, a lower end connecting piece, an upper end connecting piece and end reinforcing rings, wherein the number of the manganese steel casings is not less than two, the manganese steel casings are sequentially welded, the end reinforcing rings are arranged outside the joint between the manganese steel casings, the upper end of the manganese steel casing at the upper end is welded with the upper end connecting piece, the lower end of the manganese steel casing at the lower end is welded with the lower end connecting piece, the two manganese steel casings are more firmly connected through the end reinforcing rings, the two manganese steel casings can be connected and clamped with one other steel casing through clamping grooves, the clamping is more convenient, the end convex plate can be connected with the clamping groove of the upper end connecting piece, the steel casing has strong wear resistance and can be repeatedly used, the length of the steel casing can be controlled according to the laminar flow plastic depth on site, the pore-forming quality of a pile foundation is effectively ensured, and the occurrence of pile foundation breakage in the pile forming process is avoided, Slag inclusion, necking and pore size.
Description
Technical Field
The utility model relates to the technical field of pile foundation construction, in particular to a steel casing for pile foundation construction under a coal ash geological condition.
Background
The construction method comprises the steps of pile foundation pore-forming, wall protection, steel reinforcement cage laying and construction equipment needed for concrete pouring during construction of the cast-in-place pile, wherein a fly ash layer meets water at the position 8-15 meters underground in the pile foundation construction process, the underground water at the position minus 19 meters is abundant, the fly ash is in a fluid plastic state after meeting water, hole spanning and hole collapse are easy to occur in the rotary drilling pore-forming process, pile breaking, slag clamping, necking and pore diameter phenomena are easy to occur in the pile forming process, the danger of a drilling machine for burying a rod exists under the serious condition, great potential safety hazards exist in the construction process due to unreasonable technology, and safety accidents are easy to cause.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the technical problems in the prior art, provides the steel casing for the pile foundation construction under the geological condition of the fly ash, has strong wear resistance, can be repeatedly used, can control the length of the steel casing according to the laminar flow plastic depth of the fly ash on site, effectively ensures the pore-forming quality of the pile foundation, avoids the phenomena of pile breaking, slag inclusion, necking and aperture of the pile foundation in the pile forming process, and can effectively solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a pile foundation construction protects a section of thick bamboo with steel suitable for fly ash geological conditions down, protects a section of thick bamboo, lower extreme connecting piece, upper end connecting piece and end beaded finish including the manganese steel, the manganese steel protects a number of a section of thick bamboo many and two, and the manganese steel protects a section of thick bamboo and welds in proper order, and the manganese steel protects the junction outside between the section of thick bamboo and be equipped with the tip beaded finish, and the manganese steel of upper end protects a section of thick bamboo upper end welding and has the upper end connecting piece, and the manganese steel of lower extreme protects a section of thick bamboo lower extreme welding and has the lower extreme connecting piece.
Further, the tip beaded finish is connected with manganese steel protects a section of thick bamboo through the welded mode, and the width of tip beaded finish is 300mm, makes two manganese steel protect a section of thick bamboos through the tip beaded finish and connects more firmly.
Further, the upper end connecting piece includes protects the upper end go-between that a section of thick bamboo is connected with the manganese steel, evenly is equipped with four joint grooves on the go-between of upper end, and the joint groove is L type structure, can protect a section of thick bamboo through another steel and connect the joint through the joint groove for the joint is more convenient.
Further, the diameter of the manganese steel casing is 1100mm, and the wall thickness of the manganese steel casing is 32 mm.
Further, the lower extreme connecting piece includes protects a welded lower extreme go-between with the manganese steel, and the outside of lower extreme go-between evenly is equipped with the tip flange, tip flange and joint groove one-to-one, can protect a section of thick bamboo with the joint groove of upper end connecting piece through the tip flange to this can protect a section of thick bamboo with two steels and connect.
Compared with the prior art, the utility model has the beneficial effects that: this steel protects a section of thick bamboo for pile foundation construction under fly ash geological conditions, it is more firm to make two manganese steel protect a section of thick bamboo to connect through the tip beaded finish, can protect a section of thick bamboo joint with another steel through the joint groove, make the joint more convenient, can protect a section of thick bamboo wearing resistance strong through the tip flange with the joint groove of upper end connecting piece, can used repeatedly, on-the-spot can be according to fly ash laminar flow plastic depth control steel protects a section of thick bamboo length, the effectual pore-forming quality of guaranteeing the pile foundation, the pile foundation broken pile appears at the pile forming in-process having been avoided, the sediment, necking down and aperture phenomenon.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side view of the present invention.
In the figure: the manganese steel protective cylinder comprises a manganese steel protective cylinder 1, a lower end connecting piece 2, a lower end connecting ring 21, an end convex plate 22, an upper end connecting piece 3, an upper end connecting ring 31, a clamping groove 32 and an end reinforcing ring 4.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a steel casing suitable for pile foundation construction under coal ash geological conditions comprises a manganese steel casing 1, a lower end connecting piece 2, an upper end connecting piece 3 and end reinforcing rings 4, wherein the number of the manganese steel casings 1 is not less than two, the manganese steel casings 1 are sequentially welded, the end reinforcing rings 4 are arranged on the outer sides of joints between the manganese steel casings 1, the upper end connecting piece 3 is welded at the upper end of the manganese steel casing 1 at the upper end, the lower end connecting piece 2 is welded at the lower end of the manganese steel casing 1 at the lower end, the end reinforcing rings 4 are connected with the manganese steel casing 1 in a welding mode, the width of each end reinforcing ring 4 is 300mm, the two manganese steel casings 1 are connected more firmly through the end reinforcing rings 4, each upper end connecting piece 3 comprises an upper end connecting ring 31 connected with the manganese steel casing 1, four clamping grooves 32 are uniformly arranged on the upper end connecting ring 31, each clamping groove 32 is of an L-shaped structure and can be connected and clamped with another steel casing through the clamping grooves 32, make the joint more convenient, the diameter that the manganese steel protects a section of thick bamboo 1 is 1100mm, and the wall thickness that the manganese steel protected a section of thick bamboo 1 is 32mm, lower extreme connecting piece 2 includes protects a 1 welded lower extreme go-between 21 with the manganese steel, the outside of lower extreme go-between 21 evenly is equipped with tip flange 22, tip flange 22 and joint groove 32 one-to-one, can with the joint groove 32 of upper end connecting piece 3 through tip flange 22, with this can protect a section of thick bamboo to be connected two steels, the steel protects a section of thick bamboo wearability strong, can used repeatedly, on-the-spot can control a section of thick bamboo length according to fly ash laminar flow plastic depth, the effectual pore-forming quality who guarantees the pile foundation, the pile foundation of having avoided appearing at the pile-forming in-process broken pile foundation, the clamp sediment, necking down and aperture phenomenon.
When in use: make two manganese steels protect a section of thick bamboo 1 to connect more firmly through tip beaded finish 4, can protect a section of thick bamboo through joint groove 32 with another steel and connect the joint for the joint is more convenient, and a steel protects a tip flange 22 of a section of thick bamboo and another steel and protects a joint groove 32 joint of a section of thick bamboo, and with this can protect a section of thick bamboo in the future two steels and connect, assembles the steel according to the depth in situ and protects a length of a section of thick bamboo, and a steel protects a section of thick bamboo wearability reinforce, can used repeatedly.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a pile foundation construction protects a section of thick bamboo with steel suitable for fly ash geological conditions down, protects a section of thick bamboo (1), lower extreme connecting piece (2), upper end connecting piece (3) and end beaded finish (4), its characterized in that including the manganese steel: the manganese steel protects a section of thick bamboo (1) number is not few and two, and the manganese steel protects a section of thick bamboo (1) and welds in proper order, and the manganese steel protects the junction outside between a section of thick bamboo (1) and is equipped with tip beaded finish (4), and the upper end welding of the manganese steel of upper end has upper end connecting piece (3) on protecting a section of thick bamboo (1), and the welding of the manganese steel of lower extreme protects a section of thick bamboo (1) lower extreme has lower extreme connecting piece (2).
2. The steel casing for pile foundation construction under the geological condition of fly ash according to claim 1, characterized in that: the end reinforcing ring (4) is connected with the manganese steel casing (1) in a welding mode, and the width of the end reinforcing ring (4) is 300 mm.
3. The steel casing for pile foundation construction under the geological condition of fly ash according to claim 1, characterized in that: the upper end connecting piece (3) comprises an upper end connecting ring (31) connected with the manganese steel casing (1), four clamping grooves (32) are uniformly formed in the upper end connecting ring (31), and the clamping grooves (32) are of L-shaped structures.
4. The steel casing for pile foundation construction under the geological condition of fly ash according to claim 1, characterized in that: the diameter of the manganese steel protective cylinder (1) is 1100mm, and the wall thickness of the manganese steel protective cylinder (1) is 32 mm.
5. The steel casing for pile foundation construction under the geological condition of fly ash according to claim 3, characterized in that: the lower end connecting piece (2) comprises a lower end connecting ring (21) welded with the manganese steel casing (1), end convex plates (22) are uniformly arranged on the outer side of the lower end connecting ring (21), and the end convex plates (22) are in one-to-one correspondence with the clamping grooves (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121207350.7U CN215562574U (en) | 2021-06-01 | 2021-06-01 | Steel casing suitable for pile foundation construction under coal ash geological conditions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121207350.7U CN215562574U (en) | 2021-06-01 | 2021-06-01 | Steel casing suitable for pile foundation construction under coal ash geological conditions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215562574U true CN215562574U (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121207350.7U Active CN215562574U (en) | 2021-06-01 | 2021-06-01 | Steel casing suitable for pile foundation construction under coal ash geological conditions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215562574U (en) |
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2021
- 2021-06-01 CN CN202121207350.7U patent/CN215562574U/en active Active
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