CN217583409U - Pipe jacking back structure - Google Patents
Pipe jacking back structure Download PDFInfo
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- CN217583409U CN217583409U CN202221306743.8U CN202221306743U CN217583409U CN 217583409 U CN217583409 U CN 217583409U CN 202221306743 U CN202221306743 U CN 202221306743U CN 217583409 U CN217583409 U CN 217583409U
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- shaped steel
- back structure
- steel
- sleeve
- plain concrete
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Abstract
The utility model provides a pipe jacking back structure belongs to the building construction equipment field. It is including plain concrete, sleeve and the skeleton that is used for the basis to support, the skeleton comprises H shaped steel and steel sheet, fixed connection between the H shaped steel, H shaped steel with steel sheet fixed connection, sleeve, skeleton and plain concrete insert fixedly in proper order. Compared with the prior art, the utility model has the characteristics of processing is uncomplicated and purchase the material convenient, and reducible concrete use amount realizes recycling, accords with green construction standard requirement, has still reduced the cost, saves the cost.
Description
Technical Field
The utility model belongs to building construction equipment field particularly, relates to a push pipe back structure.
Background
The pipe-jacking construction is a non-excavation construction method, and is a pipeline burying construction technology without excavation or with less excavation. The pipe jacking construction is that the friction force between the pipeline and the surrounding soil is overcome by means of the jacking force generated by the jacking equipment in a working pit, the pipeline is jacked into the soil according to the designed gradient, and the earthwork is transported away. And after the pipe is jacked into the soil layer, the second pipe is jacked continuously. The principle is that by means of the thrust of the main top oil cylinder, the pipeline and the relay, the tool pipe or the development machine is pushed into the receiving pit from the working pit through the soil layer and is lifted. The pipeline is buried between the two pits after following the tool pipe or the heading machine.
In the process of non-grooving pipeline construction, the underground pipe-jacking construction technology is widely applied to urban underground water supply and drainage pipelines. The back is a facility for resisting force in a working pit, a supporting base surface which is enough for supporting is mainly provided for the jack when the jack is ejected, the quality of the back is a key factor which runs through the whole jacking pipe construction process, and in order to guarantee the requirements of the strength and the rigidity of the back, the existing back structure is usually made of cast-in-place reinforced concrete. In view of this, the utility model provides a push pipe back structure.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a push pipe back structure, it has to process uncomplicated and purchase the convenient characteristics of material, and reducible concrete volume of using realizes recycling, accords with green construction standard requirement, has still reduced the cost, saves the cost.
The utility model discloses a following technical scheme realizes:
the jacking pipe back structure comprises plain concrete used for foundation support, a sleeve and a framework, wherein the framework is composed of H-shaped steel and steel plates, the H-shaped steel is fixedly connected with the steel plates, and the sleeve, the framework and the plain concrete are sequentially inserted and fixed.
As a preferred technical scheme, the sleeve is a PVC plastic sleeve.
As a preferred technical scheme, the H-shaped steel is provided with mounting holes, and the H-shaped steel is fixedly connected with the high-strength bolt through the mounting holes.
As a preferred technical scheme, the H-shaped steel and the steel plate are bonded and fixed.
As a preferred technical scheme, nine H-shaped steels are provided.
As a preferred technical scheme, the H-shaped steel is HW-shaped steel.
As a preferable technical scheme, the length of the H-shaped steel is 450mm, the width of the H-shaped steel is 500mm, and the height of the H-shaped steel is 500mm.
In a preferred embodiment, the steel sheet is a cold-rolled steel sheet.
As a preferable technical scheme, the length of the steel plate is 1700mm, the width of the steel plate is 50mm, and the height of the steel plate is 1700mm.
A manufacturing method of a pipe jacking back structure is characterized by comprising the following steps: comprises that
SS1, measuring and setting out in advance, and determining the positions of back sidelines and central lines in the working well;
SS2, pouring plain concrete with the thickness of 250mm at the back of the working well and vibrating the plain concrete to be compact;
SS3, sleeving a PVC plastic sleeve on the periphery of the H-shaped steel at the rear part of the framework, hoisting the H-shaped steel to the front end of the plain concrete, inserting the H-shaped steel into the plain concrete at a position of 100mm before the plain concrete is initially set, and simultaneously ensuring that the PVC plastic sleeve can effectively separate the H-shaped steel at the rear part of the framework from the plain concrete;
and SS4, before the final setting of the plain concrete of the SS3, pouring and fixing at the gap between the steel plate and the two sides of the plain concrete.
Has the advantages that:
the utility model discloses a plain concrete for basic support, sleeve and skeleton constitute back structure, the structural style of H shaped steel and steel sheet is as direct atress component, easy processing, can directly set up the jack on the steel sheet and carry out next process, need not to demolish a large amount of concrete after the push pipe construction process finishes, time has been shortened in comparison with conventional scheme, but reduced concrete use and recycle simultaneously, construction cost is reduced, with this realization have processing uncomplicated and purchase the convenient characteristics of material, reducible concrete use and realization recycle, accord with green construction standard requirement, the cost has still been reduced, save the cost.
Drawings
FIG. 1 is a perspective view of a pipe jacking back structure;
FIG. 2 is an internal structural view of FIG. 1;
FIG. 3 is a detailed block diagram of the frame and sleeve of FIG. 1;
FIG. 4 is a schematic structural view of H-shaped steel.
The attached drawings are as follows:
100. plain concrete; 200. a framework; 300. a sleeve; 201. a steel plate; 202. h-shaped steel.
Detailed Description
In order to further disclose and explain the technical scheme of the utility model, the following description is given to a pipe jacking back structure clearly and completely in combination with the accompanying drawings.
It should be noted that the terms "inner", "middle" and "one" are used herein for the sake of clarity only, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms should be construed as the scope of the present invention without substantial change in the technical content.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The embodiment is as follows:
referring to fig. 1 to 4, the utility model provides a pipe jacking back structure, including plain concrete 100, sleeve 300 and skeleton 200 that are used for the basis to support, plain concrete 100 is the thick C25 plain concrete 100 of 250mm, skeleton 200 comprises H shaped steel 202 and steel sheet 201, fixed connection between H shaped steel 202, H shaped steel 202 with steel sheet 201 fixed connection, sleeve 300, skeleton 200 and plain concrete 100 insert fixedly in proper order.
When the method is applied specifically, measurement and setting-out are carried out in advance, the positions of the back sidelines and the center lines in the working well are determined, and then plain concrete 100 with the thickness of 250mm is poured at the back of the working well and is vibrated to be compact; sleeving a PVC plastic sleeve on the periphery of the H-shaped steel 202 at the rear part of the framework 200, hoisting the PVC plastic sleeve to the front end of the plain concrete 100, inserting the PVC plastic sleeve into the plain concrete 100 at a position of 100mm before the plain concrete 100 is initially set, and simultaneously ensuring that the PVC plastic sleeve can effectively separate the H-shaped steel 202 at the rear part of the framework 200 from the plain concrete 100; and finally, before the SS3 plain concrete 100 is finally set, pouring and fixing at the gap between the steel plate 201 and the two sides of the plain concrete 100.
Constitute the back structure through plain concrete 100, sleeve 300 and skeleton 200 for the foundation support, H shaped steel 202 and steel sheet 201's structural style are as direct atress component, easy processing, can directly set up the jack on the steel sheet 201 and carry out next process, need not to demolish a large amount of concrete after the push pipe construction process finishes, compared with conventional scheme and shortened man-hour, but reduced the concrete use amount and recycle simultaneously, reduce construction cost, with this realization have the processing uncomplicated and purchase convenient characteristics of material, reducible concrete use amount and realization recycle, accord with green construction standard requirement, the cost has still been reduced, save cost.
Specifically, the sleeve 300 is a PVC plastic sleeve, which is easy to handle.
Specifically, the H-shaped steel 202 is provided with mounting holes, the H-shaped steel 202 is fixedly connected with the high-strength bolt through the mounting holes, and the mounting holes of the H-shaped steel 202 are connected through the high-strength bolt.
Specifically, the H-shaped steel 202 is bonded and fixed to the steel plate 201, and after the H-shaped steel 202 is connected to form a whole through the high-strength bolt, the H-shaped steel 202 is bonded to the steel plate 201 through an adhesive to form a whole, that is, the framework 200.
Specifically, nine H-shaped steels 202 are provided, and the nine H-shaped steels 202 are connected through mounting holes of the side wings to form a whole.
Specifically, the H-section steel 202 is a HW-section steel.
Specifically, the length of the H-shaped steel 202 is 450mm, the width is 500mm, and the height is 500mm.
Specifically, the steel sheet 201 is a cold-rolled steel sheet.
Specifically, the steel plate 201 has a length of 1700mm, a width of 50mm, and a height of 1700mm.
The utility model also provides a manufacturing method of the pipe jacking back structure, include
SS1, measuring and setting out in advance, and determining the positions of back sidelines and central lines in the working well;
SS2, pouring 100 plain concrete with the thickness of 250mm at the back of the working well and vibrating to compact;
SS3, sleeving a PVC plastic sleeve on the periphery of the H-shaped steel 202 at the rear part of the framework 200, hoisting the PVC plastic sleeve to the front end of the plain concrete 100, inserting the PVC plastic sleeve into the plain concrete 100 at a position of 100mm before the plain concrete 100 is initially set, and simultaneously ensuring that the PVC plastic sleeve can effectively separate the H-shaped steel 202 at the rear part of the framework 200 from the plain concrete 100;
and SS4, before the final setting of the plain concrete 100 of the SS3, pouring and fixing at the gap between the steel plate 201 and the two sides of the plain concrete 100.
The utility model discloses a plain concrete 100 for basic support, sleeve 300 and skeleton 200 constitute the back structure, H shaped steel 202 and steel sheet 201's structural style is as direct atress component, easy processing, can directly set up the jack on the steel sheet 201 and carry out next process, need not to demolish a large amount of concrete after the push pipe construction process finishes, man-hour has been shortened in comparison in conventional scheme, but reduced concrete volume and recycle simultaneously, reduce construction cost, with this realization have processing uncomplicated and buy the convenient characteristics of material, reducible concrete volume and realization recycle, accord with green construction standard requirement, the cost has still been reduced, and the cost is saved.
The present invention is not limited to the above embodiment, and if various modifications or changes of the present invention do not depart from the spirit and scope of the present invention, the present invention also includes such modifications and changes if such modifications and changes fall within the scope of the claims and the equivalent technology of the present invention.
Claims (9)
1. The utility model provides a push pipe back structure which characterized in that: including plain concrete, sleeve and the skeleton that is used for the basis to support, the skeleton comprises H shaped steel and steel sheet, fixed connection between the H shaped steel, H shaped steel with steel sheet fixed connection, sleeve, skeleton and plain concrete insert in proper order fixedly.
2. The push bench back structure of claim 1, wherein: the sleeve is a PVC plastic sleeve.
3. The pipe jacking-back structure of claim 1, wherein: the H-shaped steel is provided with mounting holes and fixedly connected with each other through the mounting holes and the high-strength bolts.
4. The pipe jacking-back structure of claim 1, wherein: and the H-shaped steel is bonded and fixed with the steel plate.
5. The push bench back structure of claim 1, wherein: nine H-shaped steel are provided.
6. The pipe jacking-back structure of claim 1, wherein: the H-shaped steel is HW-shaped steel.
7. The push bench back structure of claim 1, wherein: the length of H shaped steel is 450mm, and the width is 500mm, and the height is 500mm.
8. The push bench back structure of claim 1, wherein: the steel sheet is a cold-rolled steel sheet.
9. The pipe jacking-back structure of claim 1, wherein: the steel plate has the length of 1700mm, the width of 50mm and the height of 1700mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221306743.8U CN217583409U (en) | 2022-05-28 | 2022-05-28 | Pipe jacking back structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221306743.8U CN217583409U (en) | 2022-05-28 | 2022-05-28 | Pipe jacking back structure |
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| CN217583409U true CN217583409U (en) | 2022-10-14 |
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| CN202221306743.8U Active CN217583409U (en) | 2022-05-28 | 2022-05-28 | Pipe jacking back structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114857356A (en) * | 2022-05-28 | 2022-08-05 | 广州工程总承包集团有限公司 | Pipe jacking back structure and manufacturing method thereof |
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2022
- 2022-05-28 CN CN202221306743.8U patent/CN217583409U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114857356A (en) * | 2022-05-28 | 2022-08-05 | 广州工程总承包集团有限公司 | Pipe jacking back structure and manufacturing method thereof |
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