CN212452605U - Novel assembled steel-concrete combined manual hole digging pile dado structure - Google Patents
Novel assembled steel-concrete combined manual hole digging pile dado structure Download PDFInfo
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- CN212452605U CN212452605U CN202020565785.8U CN202020565785U CN212452605U CN 212452605 U CN212452605 U CN 212452605U CN 202020565785 U CN202020565785 U CN 202020565785U CN 212452605 U CN212452605 U CN 212452605U
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Abstract
The utility model discloses a novel assembled steel-concrete combination manual hole digging pile dado structure relates to foundation engineering construction technical field. The novel steel-concrete assembled combined manual hole digging pile retaining wall structure comprises two parts. The first part is formed by splicing three arc-shaped precast concrete components, wherein one end of each arc is a strip-shaped convex groove, the other end of each arc is a concave splicing groove, and after the two ends are spliced, the two ends are filled with grouting material; the second part is formed by connecting three arc-shaped groove steel type components by full welding. The arc precast concrete member and the arc channel steel section member are connected in a manner of embedding bolts and are filled with grouting material. The utility model provides a current manual hole digging pile meet solution cavity, original concrete intensity is low, the whole rigidity is relatively poor with stability, the security influences great and efficiency of construction and the problem that the progress is low.
Description
Technical Field
The utility model relates to a foundation engineering construction technical field specifically is a novel artifical bored pile dado structure of assembled steel-concrete combination.
Background
The manual hole digging pile is characterized in that a steel reinforcement cage is placed after the manual soil digging is carried out to the designed elevation, and a concrete pile is poured in a reappearance field. Although the manual hole digging pile has the advantages of convenient construction, high speed, no need of large-scale equipment and the like, the manual hole digging pile still has a plurality of defects in practical engineering application.
Nowadays, manual hole digging piles mostly adopt a retaining wall to ensure hole forming. The retaining wall is in the form of a brick retaining wall, a concrete retaining wall and a steel retaining wall, wherein the brick retaining wall has high construction difficulty and danger coefficient, and cannot be constructed when running sand and sludge are serious, so that high economic loss is brought; although the construction difficulty, the bearing capacity and the safety of the concrete retaining wall are improved compared with the brick retaining wall, when a larger karst cave is encountered, more concrete is required for filling, so that the construction cost and the construction period are increased; although the disadvantages of brick retaining walls and concrete retaining walls are overcome, the steel retaining walls increase the construction cost to a certain extent and have higher technical requirements on operators.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides a novel assembly type steel-concrete combined manual hole digging pile retaining wall structure, which solves the problems that although the construction difficulty, the bearing capacity and the safety of the concrete retaining wall are improved compared with the brick retaining wall, when a larger karst cave is encountered, more concrete is required for filling, so that the construction cost and the period are increased; the steel retaining wall overcomes the disadvantages of brick retaining walls and concrete retaining walls, but increases the construction cost to a certain extent and has higher technical requirements on operators.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a novel artifical bored pile dado structure of reinforced concrete assembled combination, includes grout material, arc precast concrete component, bolt, bar tongue, concatenation shape recess, reservation bolt hole and arc wall steel type component, its characterized in that: the arc-shaped precast concrete component adopts a mode that a strip-shaped convex groove is connected with a splicing-shaped groove, and the arc-shaped precast concrete component is fixed into a cylindrical structure;
the arc channel steel type components are connected by welding seams and welded into a cylindrical structure with the same size as the arc precast concrete components;
the arc precast concrete component is connected with the channel steel type cylindrical structure in a pre-buried bolt mode, wherein the bolt is pre-buried in the arc precast concrete component, and a reserved bolt hole corresponding to the bolt is formed in the arc channel steel type component.
Preferably, gaps among the arc-shaped precast concrete members are filled with grouting materials, and the connection part of the channel steel type cylindrical structure and the arc-shaped precast concrete members is filled with grouting materials.
Preferably, the fixed cylindrical structure of the arc precast concrete units is spliced by three arc precast concrete units.
Preferably, the cylindrical structure fixed by the arc-shaped slot steel type components is spliced by three arc-shaped slot steel type components.
(III) advantageous effects
The utility model provides a novel assembled steel-concrete combination manual hole digging pile dado structure. The method has the following beneficial effects:
this novel assembled steel and concrete combination manual hole digging pile dado structure compares with traditional manual hole digging pile dado, with the help of precast concrete component and steel structural member's connection, has overcome the uncertainty and the insecurity of dado at to a great extent, guarantees construction operation personnel's safety. Meanwhile, complex construction procedures are omitted, manpower, material resources and financial resources are saved, and concepts of assembly type buildings and green buildings can be better realized.
Drawings
FIG. 1 is a three-dimensional schematic view of an arc-shaped precast concrete unit according to the present invention;
FIG. 2 is a three-dimensional schematic view of the arc channel steel type member of the present invention;
FIG. 3 is a top view of the precast concrete tubular structure of the present invention;
FIG. 4 is a top view of the channel steel type cylinder structure of the present invention;
fig. 5 is a schematic structural diagram of the present invention.
In the figure: 1. grouting material; 2. arc precast concrete members; 3. a bolt; 4. a strip-shaped convex groove; 5. splicing-shaped grooves; 6. reserving bolt holes; 7. an arc-shaped channel steel type component.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a novel assembly type steel-concrete combined manual hole digging pile retaining wall structure comprises grouting materials 1, arc-shaped precast concrete members 2, bolts 3, strip-shaped convex grooves 4, splicing-shaped grooves 5, reserved bolt holes 6 and arc-shaped groove steel type members 7, wherein the arc-shaped precast concrete members 2 are connected with the splicing-shaped grooves through the strip-shaped convex grooves, and the arc-shaped precast concrete members 2 are fixed into a cylindrical structure;
the arc channel steel type components 7 are connected by welding seams, and the arc channel steel type components 7 are welded into a cylindrical structure with the same size as the arc precast concrete components 2;
arc precast concrete component 2 adopts buried bolt's mode to be connected with channel-section steel type tubular structure in advance, wherein bolt 3 is pre-buried in arc precast concrete component 2, be provided with reserved bolt hole 6 that bolt 3 corresponds on arc channel-section steel type component 7, gap between the arc precast concrete component 2 adopts grout material 1 to fill up, channel-section steel type tubular structure is in the junction with arc precast concrete component 2, adopt grout material 1 to fill, the tubular structure that arc precast concrete component 2 fixed becomes is spliced by three curved precast concrete component 2, the tubular structure that arc channel-section steel type component 7 fixed becomes is spliced by three curved arc channel-section steel type component 7.
As shown in figure 3, the joints of the arc-shaped precast concrete members are plugged by grouting materials, so that the weakest parts of the members are prevented from water seepage, and the water stopping effect is achieved.
As shown in figure 5, the channel steel type cylindrical structure is filled with grouting material, so that the overall stability and safety of the two cylindrical structures are guaranteed, the strength of the overall structure is improved, and the personal safety of construction operators is guaranteed.
The utility model is suitable for a there are cavern, the richer soil layer of ground water level and more stable strong weathering rock stratum. When the prefabricated concrete pile is used, the local soil condition and the underground water level are combined, and the arc-shaped prefabricated concrete component 2 is spliced into a prefabricated concrete cylinder structure and the grouting material is filled in the connecting part when a certain depth is excavated; then bolts pre-embedded in the precast concrete cylindrical structure penetrate through the arc-shaped channel steel section member 7 and are fixed, then the arc-shaped channel steel section member 7 is welded into a channel steel cylindrical structure in a welding seam connection mode, and the bolt connection part is tightly filled with grouting material; and finally, repeating the steps and downwards excavating the next layer of soil.
To sum up, this novel assembled steel and concrete combination manual hole digging pile dado structure compares with traditional manual hole digging pile dado, with the help of precast concrete component and steel structural component's connection, has overcome the uncertainty and the insecurity of dado at to a great extent, guarantees construction operation personnel's safety. Meanwhile, complex construction procedures are omitted, manpower, material resources and financial resources are saved, and concepts of assembly type buildings and green buildings can be better realized.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a novel assembled steel and concrete combination manual hole digging pile dado structure, includes grout material (1), arc precast concrete component (2), bolt (3), bar tongue (4), concatenation shape recess (5), reserve bolt hole (6) and arc wall steel type component (7), its characterized in that: the arc-shaped precast concrete members (2) are connected by adopting strip-shaped convex grooves and splicing-shaped grooves, and the arc-shaped precast concrete members (2) are fixed into a cylindrical structure;
the arc-shaped channel steel type components (7) are connected by adopting welding seams, and the arc-shaped channel steel type components (7) are welded into a cylindrical structure with the same size as the arc-shaped precast concrete component (2);
arc precast concrete component (2) and channel-section steel type tubular structure adopt buried bolt's mode to be connected in advance, and wherein bolt (3) are pre-buried in arc precast concrete component (2), be provided with reserved bolt hole (6) that bolt (3) correspond on arc channel-section steel type component (7).
2. The novel assembled steel-concrete combined manual bored pile retaining wall structure according to claim 1, wherein: gaps between the arc-shaped precast concrete members (2) are filled with grouting materials (1), and the connection part of the channel steel type cylindrical structure and the arc-shaped precast concrete members (2) is filled with the grouting materials (1).
3. The novel assembled steel-concrete combined manual bored pile retaining wall structure according to claim 1, wherein: the cylindrical structure fixed by the arc-shaped precast concrete members (2) is spliced by three arc-shaped precast concrete members (2).
4. The novel assembled steel-concrete combined manual bored pile retaining wall structure according to claim 1, wherein: the cylindrical structure fixed by the arc-shaped groove steel type components (7) is spliced by three arc-shaped groove steel type components (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020565785.8U CN212452605U (en) | 2020-04-16 | 2020-04-16 | Novel assembled steel-concrete combined manual hole digging pile dado structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020565785.8U CN212452605U (en) | 2020-04-16 | 2020-04-16 | Novel assembled steel-concrete combined manual hole digging pile dado structure |
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| CN212452605U true CN212452605U (en) | 2021-02-02 |
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| CN202020565785.8U Active CN212452605U (en) | 2020-04-16 | 2020-04-16 | Novel assembled steel-concrete combined manual hole digging pile dado structure |
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