CN217974096U - Arch bar combined shed tunnel structure with self-stable upper part - Google Patents
Arch bar combined shed tunnel structure with self-stable upper part Download PDFInfo
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- CN217974096U CN217974096U CN202221189420.5U CN202221189420U CN217974096U CN 217974096 U CN217974096 U CN 217974096U CN 202221189420 U CN202221189420 U CN 202221189420U CN 217974096 U CN217974096 U CN 217974096U
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Abstract
The utility model discloses an upper portion is self-stabilization's arch bar convolution shed hole structure, and this upper portion is self-stabilization's arch bar convolution shed hole structure and includes the shed hole unit that a plurality of is connected, and this upper portion forms the filling layer for forming between self-stabilization's arch bar convolution shed hole structure one side and the side slope, is formed with the buffer layer between its top and the clay water barrier. This upper portion is the arch bar convolution shed tunnel structure of self-stabilization and passes through the buffer layer and can receive the impact force of falling rocks, and decompose the impact force into horizontal force and vertical power through the shed tunnel unit, the horizontal force can be offset to shed tunnel self, vertical power can transmit to the ground through the shed tunnel structure simultaneously, thereby arch-board self-stabilization system has been formed, the whole load transmission route of structure is clear, the ability of the anti falling rocks impact of frame-type shed tunnel has been improved by a wide margin, the slope that a plurality of arch bars formed makes the hole top falling rocks be difficult for piling up simultaneously, the driving safety of road has been ensured.
Description
Technical Field
The utility model relates to a highway engineering technical field, in particular to upper portion is self-stabilizing's arch bar convolution shed tunnel structure.
Background
Shed tunnels are used as a passive measure for preventing dangerous rock falling and are widely applied to the rock falling prevention and control of mountain roads. The existing shed tunnel mainly comprises an arch-type shed tunnel, a frame-type shed tunnel, a cantilever-type shed tunnel and the like. The frame-type shed tunnel is relatively convenient to construct and maintain, has simple structural components and is a common highway shed tunnel form. But the traditional frame-type shed tunnel has the problems of weak energy dissipation capability, poor self-stability capability and the like when bearing rockfall impact, and causes hidden danger to road driving safety.
SUMMERY OF THE UTILITY MODEL
The utility model provides an upper portion is arch bar convolution shed tunnel structure from steady aims at keeping when advantages such as traditional frame-type shed tunnel structural component is simple, construction facility, improves structure shock resistance, from steady ability by a wide margin, forms artificial slope simultaneously and is convenient for the rockfall and rolls from the shed tunnel, has guaranteed the security of road driving.
The utility model discloses a technical scheme do:
an arch bar combined shed tunnel structure with a self-stabilizing upper part is provided, wherein the arch bar combined shed tunnel structure with the self-stabilizing upper part is positioned on one side of a side slope and is also positioned at the bottom of a clay water-resisting layer, the bottom of the arch bar combined shed tunnel structure with the self-stabilizing upper part is embedded into a foundation, and one end of the top of the arch bar combined shed tunnel structure, which is far away from the side slope, is fixedly connected with the end of the clay water-resisting layer through a stop block; the arch bar combined shed tunnel structure with the self-stabilizing upper part comprises a plurality of connected shed tunnel units, a filling layer is formed between one side of the self-stabilizing arch bar combined shed tunnel structure and a side slope, and a buffer layer is formed between the top of the self-stabilizing arch bar combined shed tunnel structure and a clay water-resisting layer; this upper portion is the impact force that can receive the rockfall through the buffer layer for the arch bar convolution shed tunnel structure of self-stability to decompose the impact force into horizontal force and vertical power through the shed tunnel unit, horizontal force can be offset to shed tunnel self, and vertical power can transmit to the ground through shed tunnel structure simultaneously.
Furthermore, the shed tunnel unit is of an arched door-shaped structure and comprises vertical walls, upright columns, joists, flat top plates, arched plates, lower bearing platforms, tie beams and pile foundations; the top of the upright post is fixedly provided with a joist, the bottom of the joist is fixedly provided with a lower bearing platform, and the bottom of the lower bearing platform is fixedly connected with a pile foundation; the flat top plate is fixedly arranged between the joists at the tops of the two stand columns, the tie beam is fixedly arranged between the lower bearing platforms at the bottoms of the two stand columns, the arch-shaped plate is fixedly arranged between the joists at the tops of the two stand columns, is positioned above the flat top plate, and has an opening facing the flat top plate; a group of upright posts, joists, lower bearing platforms and pile foundations are shared between adjacent shed tunnel units; and the upright post at one side of the shed tunnel unit adjacent to the side slope is replaced by a vertical wall.
Furthermore, the shed tunnel units are arranged in a straight line, and the rise height of the arch-shaped plates of each shed tunnel unit is reduced in sequence from one side close to the side slope to the side far away from the side slope.
Furthermore, the gradient of the tangent point connecting line of the arch plate of each shed tunnel unit is 3% -10%.
Further, the filling layer is made of grouted rubble or plain concrete.
Further, the buffer layer is gravel soil.
The utility model has the advantages that:
when a rockfall disaster occurs, the impact force of the rockfall is transmitted to the arch-shaped plates of the shed tunnel unit through the buffer layers, and the arch-shaped plates decompose the axial force of the rockfall impact into vertical force and horizontal force at the arch springing positions; the vertical force is directly transmitted to the foundation through the vertical wall, the upright post and the lower structure, and the pulling force provided by the flat top plate can counteract the action of the horizontal force, so that an arch-plate self-stabilizing system is formed.
The whole load transfer path of the structure of the self-stabilizing arch bar combined shed tunnel structure on the upper portion is clear, the falling stone impact resistance of the frame type shed tunnel is greatly improved, and meanwhile, the falling stones on the top of the tunnel are not easy to accumulate due to the slope formed by the two arch bars, so that the driving safety of roads is ensured.
Drawings
Fig. 1 is a schematic elevation structure of the present invention;
fig. 2 is a schematic side view of the present invention;
in fig. 1-2, 1-the upper part is a self-stabilized arch-slab-combined shed tunnel structure, 2-a side slope, 3-a clay water barrier, 4-a foundation, 5-a stop, 6-a filling layer, 7-a buffer layer, 8-a vertical wall, 9-a column, 10-a joist, 11-a flat roof, 12-an arch slab, 13-a lower bearing platform, 14-a tie beam, 15-a pile foundation, 16-a tangent point connecting line of the arch slab of each shed tunnel unit.
Detailed Description
The technical solutions in the embodiments of the present invention will be clear and fully described below with reference to the accompanying drawings of the embodiments of the present invention. It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an orientation of upper and lower. The device may be otherwise oriented and the spatially relative descriptors used herein interpreted accordingly.
As shown in fig. 1-2, this embodiment provides an arch bar combined shed tunnel structure with self-stabilization upper portion, the arch bar combined shed tunnel structure 1 with self-stabilization upper portion is located on one side of the side slope 2 and located at the bottom of the clay water-resisting layer 3, the bottom of the arch bar combined shed tunnel structure 1 with self-stabilization upper portion is buried in the foundation 4, and the top of the arch bar combined shed tunnel structure 1 with self-stabilization upper portion is far away from one end of the side slope 2 and is fixedly connected with the end of the clay water-resisting layer 3 through the stopper 5. The arch bar combined shed tunnel structure 1 with the self-stable upper part comprises two connected shed tunnel units. A filling layer 6 is formed between one side of the self-stable arch bar combined shed tunnel structure 1 and the side slope 2, and the filling layer 6 is preferably made of grouted rubble or plain concrete. A buffer layer 7 is formed between the top of the arch bar combined shed tunnel structure 1 with the self-stabilization upper part and the clay water-resisting layer 3; the buffer layer 7 is preferably made of crushed rock soil.
When a rockfall disaster occurs above the clay water-resisting layer 3, the impact force of the rockfall is transmitted to the shed tunnel unit through the buffer layer 7, and the shed tunnel unit decomposes the axial force of the rockfall impact into a vertical force and a horizontal force; the shed tunnel unit itself is able to counteract the horizontal forces and transmit them to the foundation 4. The whole load transmission path of the structure of the arch bar combined shed tunnel structure 1 with the self-stabilizing upper part is clear, the falling stone impact resistance of the frame-type shed tunnel is greatly improved, and the driving safety of roads is ensured.
In this embodiment, a specific structure of the hangar tunnel unit is further given, as shown in fig. 1, the hangar tunnel unit is an arched door-shaped structure, and includes a vertical wall 8, a vertical column 9, a joist 10, a flat top plate 11, an arched plate 12, a lower pile cap 13, a tie beam 14, and a pile foundation 15.
Specifically, a joist 10 is fixedly installed at the top of the upright column 9, a lower bearing platform 13 is fixedly installed at the bottom of the upright column 9, and a pile foundation 15 is fixedly connected to the bottom of the lower bearing platform 13. The flat top plate 11 is fixedly arranged between the joists 10 at the tops of the two upright posts 9, the tie beam 14 is fixedly arranged between the lower bearing platforms 13 at the bottoms of the two upright posts 9, the arched plate 12 is fixedly arranged between the joists 10 at the tops of the two upright posts 9, the arched plate 12 is positioned above the flat top plate 11, and the opening of the arched plate 12 faces the flat top plate 11. And a group of upright posts 9, joists 10, lower bearing platforms 13 and pile foundations 15 are shared between adjacent shed tunnel units. One side upright 9 of the shed tunnel unit adjacent to the side slope 2 is replaced by a vertical wall 8. When a rockfall disaster occurs above the clay waterproof layer 3, the arch-shaped plate 12 decomposes the axial force of rockfall impact into a vertical force and a horizontal force at the arch foot; the vertical force is directly transmitted to the foundation 4 through the vertical wall 8 or the vertical column 9, the lower bearing platform 13 and the pile foundation 15, and the pulling force provided by the flat top plate 11 can counteract the action of the horizontal force, so that an arch-plate self-stabilizing system is formed.
Further, as a preferable scheme of the present embodiment, the two shed tunnel units in the present embodiment are arranged in a line, and the rise of the arch plate 12 of each shed tunnel unit decreases from the side close to the side slope 2 to the side far from the side slope 2. The gradient of the tangent point connecting line 16 of the arch plate of each shed tunnel unit is preferably 3% -10%. Set up like this and make clay water barrier 3 have certain slope, and then avoid falling the stone and pile up in a large number, further ensured the driving safety of road.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides an upper portion is arch bar convolution shed tunnel structure of self-stabilization which characterized in that: the upper part is a self-stabilizing arch bar combined shed tunnel structure and is positioned on one side of the side slope and is positioned at the bottom of the clay water-resisting layer, the bottom of the upper part is a self-stabilizing arch bar combined shed tunnel structure and is embedded into the foundation, and one end of the top of the upper part, which is far away from the side slope, is fixedly connected with the end of the clay water-resisting layer through a stop block; the arch bar combined shed tunnel structure with the self-stabilizing upper part comprises a plurality of connected shed tunnel units, a filling layer is formed between one side of the self-stabilizing arch bar combined shed tunnel structure and the side slope, and a buffer layer is formed between the top of the self-stabilizing arch bar combined shed tunnel structure and the clay water-resisting layer.
2. An arch bar-combined shed tunnel structure with a self-stabilized upper portion as claimed in claim 1, wherein: the shed tunnel unit is of an arched door-shaped structure and comprises a vertical wall, an upright post, a joist, a flat top plate, an arched plate, a lower bearing platform, a tie beam and a pile foundation;
the top of the upright post is fixedly provided with a joist, the bottom of the joist is fixedly provided with a lower bearing platform, and the bottom of the lower bearing platform is fixedly connected with a pile foundation; the flat top plate is fixedly arranged between the joists at the tops of the two stand columns, the tie beam is fixedly arranged between the lower bearing platforms at the bottoms of the two stand columns, the arch-shaped plate is fixedly arranged between the joists at the tops of the two stand columns, the arch-shaped plate is positioned above the flat top plate, and the opening of the arch-shaped plate faces the flat top plate; a group of upright posts, joists, lower bearing platforms and pile foundations are shared between adjacent shed tunnel units; and the upright column at one side of the shed tunnel unit adjacent to the side slope is replaced by a vertical wall.
3. An arch bar-combined shed tunnel structure with a self-stabilized upper portion as claimed in claim 2, wherein: the shed tunnel units are arranged in a straight line, and the rise of the arch plates of each shed tunnel unit is sequentially reduced from one side close to the side slope to the side far away from the side slope.
4. An arch bar-combined shed tunnel structure with a self-stabilized upper portion as claimed in claim 3, wherein: the gradient of the tangent point connecting line of the arch plate of each shed tunnel unit is 3% -10%.
5. The arch bar-integrated shed tunnel structure of claim 1, wherein the upper portion is self-stabilizing, and the structure further comprises: the filling layer is made of grouted rubble or plain concrete.
6. An arch bar-combined shed tunnel structure with a self-stabilized upper portion as claimed in claim 1, wherein: the buffer layer is gravel soil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221189420.5U CN217974096U (en) | 2022-05-18 | 2022-05-18 | Arch bar combined shed tunnel structure with self-stable upper part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221189420.5U CN217974096U (en) | 2022-05-18 | 2022-05-18 | Arch bar combined shed tunnel structure with self-stable upper part |
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| CN217974096U true CN217974096U (en) | 2022-12-06 |
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| CN202221189420.5U Active CN217974096U (en) | 2022-05-18 | 2022-05-18 | Arch bar combined shed tunnel structure with self-stable upper part |
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- 2022-05-18 CN CN202221189420.5U patent/CN217974096U/en active Active
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