CN210768796U - Split prefabricated assembly type railway open cut tunnel structure - Google Patents
Split prefabricated assembly type railway open cut tunnel structure Download PDFInfo
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- CN210768796U CN210768796U CN201921230585.0U CN201921230585U CN210768796U CN 210768796 U CN210768796 U CN 210768796U CN 201921230585 U CN201921230585 U CN 201921230585U CN 210768796 U CN210768796 U CN 210768796U
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- 230000003014 reinforcing effect Effects 0.000 claims description 16
- 210000001503 joint Anatomy 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000002708 enhancing effect Effects 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 claims 3
- 238000010276 construction Methods 0.000 abstract description 13
- 238000012423 maintenance Methods 0.000 abstract description 9
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a prefabricated assembled railway open cut tunnel structure of components of a whole that can function independently, include: the open cut tunnel comprises an open cut tunnel base, an arch wall part and an external lug, wherein the open cut tunnel base, the arch wall part and the external lug are sequentially connected to form a plurality of groups of arch walls; the external lug is arranged on the outer end face of the arch structure and is at least used for fixedly connecting the open cut tunnel base, the side wall prefabricated block and the adjacent prefabricated block; the utility model relates to a rationally, the structure is firm, simple to operate, resources are saved, the efficiency of construction is high, the later maintenance of being convenient for has reduced construction and maintenance cost, has effectively prolonged the life in railway open cut tunnel.
Description
Technical Field
The utility model relates to a open cut tunnel engineering construction technical field, more specifically the prefabricated assembled railway open cut tunnel structure of components of a whole that can function independently that says so relates to.
Background
The open cut tunnel structure of the railway is a channel specially used for train transportation and running, when the railway passes through a mountain land, because the traction capacity is limited and the maximum slope requirement is less than 3%, the elevation obstacle needs to be overcome, and the open cut tunnel structure is excavated to pass through the mountain, so that the reasonable selection is realized, and the functions of shortening the line, reducing the gradient, improving the operation condition and improving the traction capacity are realized.
At present, the existing railway open cut tunnel structure is usually formed by adopting a concrete pouring mode, a lining joint of the traditional railway open cut tunnel structure is weak in durability design, unreasonable in drainage design, poor in construction process and quality, and not in place in daily maintenance, and the bottom of the open cut tunnel structure is affected by natural and human factors in the aspects of repeated power of a train, underground water erosion and the like. Moreover, due to the complex structure of the open cut tunnel, once a certain part inside the open cut tunnel is damaged, the maintenance and replacement procedures are complicated, the maintenance period is long, the construction efficiency is low, the operation efficiency of the high-speed train is seriously influenced, and great inconvenience is brought to the outgoing of passengers.
Therefore, it is an urgent need to solve the problem of the technical personnel in the art to provide a prefabricated assembly type railway open cut tunnel arch wall structure with simple structure, convenient assembly and disassembly and strong structural stability.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least, provide a simple structure, easy dismounting and the strong prefabricated assembled railway open cut tunnel structure of components of a whole that can function independently of structural stability.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a split prefabricated open cut tunnel structure for railways, comprising:
the open cut tunnel comprises an open cut tunnel base, a plurality of prefabricated blocks and a plurality of prefabricated blocks, wherein the open cut tunnel base is formed by connecting the prefabricated blocks;
the system comprises an arch wall part and a plurality of groups of arch walls, wherein the arch wall part is formed by sequentially connecting a plurality of groups of arch walls, each group of arch walls comprises side wall precast blocks and a top arc precast block, the side wall precast blocks and the top arc precast blocks are correspondingly arranged on two sides of an open cut tunnel base along the central line of the length direction of the open cut tunnel base, two ends of each top arc precast block are respectively and fixedly connected with the top ends of the corresponding side wall precast blocks, and the open cut tunnel base, the side wall precast blocks and the top arc precast blocks are sequentially connected to form a closed arch structure;
the side wall prefabricated section the both ends of top arc prefabricated section all have the butt joint face, external lug is the lateral wall of butt joint face outwards extends and forms.
According to the technical scheme, compared with the prior art, the open cut tunnel structure has the advantages that the open cut tunnel base, the side wall prefabricated blocks and the top arc-shaped prefabricated blocks are sequentially connected to form an arch structure, and the external lugs are arranged on the outer end face of the arch structure, so that the stability of the open cut tunnel structure of the railway is effectively improved; the open cut tunnel structure has the advantages of being capable of guaranteeing that the open cut tunnel structure has good supporting performance, convenient to install, resource-saving, high in construction efficiency, convenient to maintain in the later period, capable of reducing construction and maintenance cost and effectively prolonging the service life of the open cut tunnel structure.
Furthermore, each external lug is provided with a connecting hole, and the external lugs at opposite positions are connected through straight bolts;
the external lug at the top end of the side wall precast block is fixedly connected with the external lug at the bottom end of the top arc precast block, and the external lug at the bottom end of the side wall precast block is fixedly connected with the outer end of the open cut tunnel substrate through the straight bolt.
Furthermore, a plurality of curved bolts used for enhancing the structural stability of the abutting precast block and the capping precast block are arranged on the inner sides of the abutting precast block and the capping precast block.
Furthermore, the inner walls of the side wall precast blocks and the top arc precast blocks of the two adjacent groups of arch walls are fixedly connected through curved bolts.
The beneficial effect who adopts above-mentioned technical scheme to produce is that, the stability of connecting between each prefabricated section can be improved to bent bolt, and then improves the stability of whole open cut tunnel structure, and the dismouting of being convenient for is favorable to the maintenance in later stage.
Further, the top arc-shaped precast block includes: the side wall prefabricated block is fixedly connected with an adjacent prefabricated block correspondingly arranged, and the capping prefabricated block is arranged at the top of the central line of the open cut tunnel structure, and two ends of the capping prefabricated block are respectively and fixedly connected with one end of the adjacent prefabricated block correspondingly arranged.
Furthermore, the external lugs are arranged at two ends of the side wall precast block, the adjacent precast block and the capping precast block, and the adjacent external lugs are fixedly connected;
the side wall prefabricated section is provided with a through hole on the side wall, the two end faces of the open cut tunnel base are correspondingly provided with connecting holes, and the side wall prefabricated section is fixedly connected with the open cut tunnel base through the straight bolt penetrating through the through hole and the connecting holes.
Furthermore, the side wall precast block, the adjacent precast block and the capping precast block have the same thickness which is 10-40 cm.
The open cut tunnel arch wall structure has the beneficial effects that the stability and the durability of the open cut tunnel arch wall structure are effectively ensured, so that the service life of the open cut tunnel is prolonged.
Furthermore, the open cut tunnel structure further comprises a reinforcing base plate, wherein the reinforcing base plate is laid on the open cut tunnel base and located on two sides between the side wall prefabricated blocks, and the reinforcing base plate is fixedly connected with the open cut tunnel base.
The beneficial effect of adopting above-mentioned further technical scheme is that, the setting of strengthening the base plate has further improved the support performance of this open cut tunnel basement, makes its structure more stable.
Further, still include drainage pipe, drainage pipe is two, locates respectively the both sides of reinforcing base plate, and is located the side wall prefabricated section with between the reinforcing base plate, just drainage pipe's both sides wall respectively with the side wall prefabricated section with the lateral wall fixed connection of reinforcing base plate.
The open cut tunnel has the advantages that the open cut tunnel has good drainage performance and sealing performance, construction pollution caused in the construction process is reduced, and construction efficiency and the quality safety level of the whole open cut tunnel structure are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is the utility model discloses a front view of prefabricated assembled railway open cut tunnel structure of components of a whole that can function independently.
Fig. 2 is the utility model discloses a stereogram of prefabricated assembled railway open cut tunnel structure of components of a whole that can function independently.
Fig. 3 is a partial enlarged view of fig. 2 of the present invention.
Fig. 4 is a front view of a split prefabricated open cut tunnel structure for railway according to another embodiment of the present invention.
Fig. 5 is a perspective view of a split prefabricated open cut tunnel structure for railway according to another embodiment of the present invention.
Wherein:
a clear tunnel base 1; an arch wall part 2; the external lug 3; a curved bolt 4; a reinforcing substrate 5; a water discharge pipeline 6; side wall precast blocks 21; a top arc precast block 22; an adjoining precast block 221; a capping precast block 222; a straight bolt 31.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", 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 simplicity of description, and 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 therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The embodiment of the utility model discloses a split prefabricated assembly type railway open cut tunnel structure, as shown in figure 1, comprising an open cut tunnel base 1, an arch wall part 2 and an external lug 3; the arch wall part 2 is formed by sequentially connecting a plurality of groups of arch walls, each group of arch walls comprises side wall precast blocks 21 and top arc precast blocks 22, the side wall precast blocks 21 and the top arc precast blocks 22 are correspondingly arranged on two sides of the open cut tunnel base 1 along the central line of the open cut tunnel, two ends of each top arc precast block 22 are respectively and fixedly connected with the top ends of the corresponding side wall precast blocks 21, and the open cut tunnel base 1, the side wall precast blocks 21 and the top arc precast blocks 22 are sequentially connected to form a closed arch structure; the two ends of the side wall precast block 21 and the top arc precast block 22 are provided with butt joint surfaces, and the external lug 3 is formed by extending the outer side wall of the butt joint surface outwards and is at least used for fixedly connecting the open cut tunnel base 1, the side wall precast block 21 and the top arc precast block 22.
In some embodiments, the two ends of the side wall precast block 21 and the bottom end of the top arc precast block 22 are provided with external lugs 3, each external lug 3 is provided with a connecting hole, and the external lugs 3 at opposite positions are connected through a straight bolt 31; the external lug 3 at the top end of the side wall precast block 21 is fixedly connected with the external lug 3 at the bottom end of the top arc precast block 22, and the external lug 3 at the bottom end of the side wall precast block 21 is fixedly connected with the outer end of the open cut tunnel substrate 1 through a straight bolt 31; the structure stability of the top arc-shaped precast block 22 is enhanced through a plurality of curved bolts 4 which are uniformly arranged on the inner side, so that the open cut tunnel base 1, the side wall precast block 21 and the top arc-shaped precast block 22 are sequentially connected to form a closed arch structure; the inner walls of the side wall precast blocks 21 and the top arc precast blocks 22 of every two adjacent groups of arch walls are fixedly connected through the curved bolts 4; the stability of connecting between each prefabricated section can be improved to bent bolt, and then improves the stability of whole open cut tunnel structure, and the dismouting of being convenient for is favorable to the maintenance in later stage.
In some embodiments, the top arcuate preform block 22 comprises: the prefabricated block 221 which is adjacent and correspondingly connected with the prefabricated block 21 of the side wall and the capping prefabricated block 222 which is arranged at the top of the central line of the open cut tunnel, wherein two ends of the capping prefabricated block 222 are respectively and fixedly connected with one end of the adjacent prefabricated block 221 which is correspondingly arranged;
advantageously, the side wall precast block 21 in each set of arch wall structure is preferably a plate-shaped structure with a radian at the top, the abutting precast block 221 and the capping precast block 222 are preferably arc-shaped plates, the side wall precast block 21 and the abutting precast block 221 are all correspondingly arranged with an open-cut central line, and both ends of the capping precast block 222 are connected with the correspondingly arranged abutting precast block 221, so that the side wall precast block 21, the abutting precast block 221 and the capping precast block 222 are sequentially spliced to form an arch structure, and the side wall precast block 21, the abutting precast block 221 and the capping precast block 222 of each two adjacent sets of arch walls are all fixedly connected through the curved bolt 4; the stability of connecting between each prefabricated section can be improved to bent bolt, and then improves the stability of whole open cut tunnel structure, and the dismouting of being convenient for is favorable to the maintenance in later stage.
In other embodiments, the two ends of the side wall precast block 21, the adjacent precast block 221 and the capping precast block 222 are provided with external lugs 3, and the adjacent external lugs 3 are fixedly connected; the side wall prefabricated block 21 is provided with a through hole on the side wall, the two end faces of the open cut tunnel base 1 are correspondingly provided with connecting holes, the side wall prefabricated block 21 and the open cut tunnel base 1 are fixedly connected by penetrating the through hole and the connecting holes through the straight bolt 31, and the open cut tunnel base 1, the side wall prefabricated block 21, the adjacent prefabricated block 221 and the capping prefabricated block 222 are sequentially connected to form a closed arch structure.
In order to improve the supporting performance of the open cut tunnel base and enable the structure of the open cut tunnel base to be more stable, the open cut tunnel further comprises a reinforcing base plate 5, the reinforcing base plate 5 is laid on the open cut tunnel base 1 and located between the side wall prefabricated blocks 21 on the two sides, and the reinforcing base plate 5 is fixedly connected with the open cut tunnel base 1.
In order to ensure that the open cut tunnel structure has good drainage performance, reduce construction pollution caused in the construction process and improve the quality safety level of the whole open cut tunnel structure, the open cut tunnel structure further comprises two drainage pipelines 6, wherein the two drainage pipelines 6 are respectively arranged at two sides of the reinforcing base plate 5 and are positioned between the side wall prefabricated blocks 21 and the reinforcing base plate 5, and two side walls of the drainage pipelines 6 are respectively fixedly connected with the side walls of the side wall prefabricated blocks 21 and the reinforcing base plate 5.
Advantageously, the side wall precast block 21, the adjacent precast block 221 and the capping precast block 222 are the same in thickness and are all 10-40cm, so that the production, construction and installation are facilitated, the stability and durability of the open cut tunnel arch wall structure are effectively ensured, and the service life of the open cut tunnel is prolonged.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (9)
1. The utility model provides a prefabricated assembled railway open cut tunnel structure of components of a whole that can function independently which characterized in that includes:
the open cut tunnel comprises a open cut tunnel base (1), wherein the open cut tunnel base (1) is formed by connecting a plurality of prefabricated blocks;
the open cut tunnel structure comprises an arch wall part (2), wherein the arch wall part (2) is formed by sequentially connecting a plurality of groups of arch walls, each group of arch walls comprises side wall precast blocks (21) and a top arc precast block (22) which are correspondingly arranged on two sides of an open cut tunnel base (1) along the central line of the length direction of the open cut tunnel base (1), two ends of each top arc precast block (22) are respectively and fixedly connected with the top ends of the side wall precast blocks (21) which are correspondingly arranged, and the open cut tunnel base (1), the side wall precast blocks (21) and the top arc precast blocks (22) are sequentially connected to form a closed arch structure;
external lug (3), side wall prefabricated section (21) the both ends of top arc prefabricated section (22) have the butt joint face, external lug (3) are the lateral wall of butt joint face outwards extends and forms.
2. A split prefabricated open cut tunnel structure for railways according to claim 1, characterized in that each of said external lugs (3) has a connecting hole, and the external lugs (3) in opposite positions are connected by straight bolts (31);
the external lug (3) at the top end of the side wall precast block (21) is fixedly connected with the external lug (3) at the bottom end of the top arc precast block (22), and the external lug (3) at the bottom end of the side wall precast block (21) is fixedly connected with the outer end of the open cut tunnel base (1) through the straight bolt (31).
3. The structure of split prefabricated open cut railway tunnel according to claim 2, wherein the inner sides of the top arc-shaped precast blocks (22) are provided with a plurality of curved bolts (4) for enhancing the structural stability thereof.
4. The structure of the prefabricated open cut railway tunnel of claim 3, wherein the inner walls of the side wall precast blocks (21) and the top arc precast blocks (22) of two adjacent groups of the arch walls are fixedly connected through curved bolts (4).
5. The structure of split prefabricated open-cut railway tunnel according to claim 4, wherein the top arc-shaped precast block (22) comprises: the prefabricated wall comprises an abutting prefabricated block (221) and a top-sealing prefabricated block (222), wherein the abutting prefabricated block (221) is fixedly connected with the side wall prefabricated block (21) correspondingly, the top-sealing prefabricated block (222) is arranged at the top of the center line of the open cut tunnel structure, and two ends of the top-sealing prefabricated block (222) are fixedly connected with one end of the abutting prefabricated block (221) correspondingly.
6. The structure of the prefabricated assembled open cut railway tunnel of claim 5, wherein the two ends of the side wall precast block (21), the abutting precast block (221) and the capping precast block (222) are provided with the external lugs (3), and the adjacent external lugs (3) are fixedly connected;
the side wall prefabricated block (21) is provided with a through hole on the side wall, the end face of the open cut tunnel base (1) is correspondingly provided with a connecting hole, and the side wall prefabricated block (21) is fixedly connected with the open cut tunnel base (1) through the straight bolt (31) penetrating through the through hole and the connecting hole.
7. The structure of a split prefabricated open cut railway tunnel according to claim 6, wherein the side wall precast block (21), the abutting precast block (221) and the capping precast block (222) are the same thickness and are all 10-40 cm.
8. The structure of the prefabricated assembled open cut tunnel of railway of claim 1, further comprising a reinforcing base plate (5), wherein the reinforcing base plate (5) is laid on the open cut tunnel base (1) and located between the side wall precast blocks (21) on two sides, and the reinforcing base plate (5) is fixedly connected with the open cut tunnel base (1).
9. The structure of claim 8, further comprising two drainage pipelines (6), wherein the two drainage pipelines (6) are respectively disposed at two sides of the reinforcement substrate (5) and located between the side wall precast block (21) and the reinforcement substrate (5), and two side walls of the drainage pipeline (6) are respectively fixedly connected with the side walls of the side wall precast block (21) and the reinforcement substrate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921230585.0U CN210768796U (en) | 2019-07-31 | 2019-07-31 | Split prefabricated assembly type railway open cut tunnel structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921230585.0U CN210768796U (en) | 2019-07-31 | 2019-07-31 | Split prefabricated assembly type railway open cut tunnel structure |
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| CN210768796U true CN210768796U (en) | 2020-06-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113565530A (en) * | 2021-08-16 | 2021-10-29 | 中铁二院成都勘察设计研究院有限责任公司 | Prefabricated open cut tunnel and construction method thereof |
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2019
- 2019-07-31 CN CN201921230585.0U patent/CN210768796U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113565530A (en) * | 2021-08-16 | 2021-10-29 | 中铁二院成都勘察设计研究院有限责任公司 | Prefabricated open cut tunnel and construction method thereof |
| CN113565530B (en) * | 2021-08-16 | 2024-04-16 | 中铁二院成都勘察设计研究院有限责任公司 | Prefabricated open cut tunnel and construction method thereof |
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