CN210564579U - Tunnel steel bow member damping deformation supporting device - Google Patents
Tunnel steel bow member damping deformation supporting device Download PDFInfo
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- CN210564579U CN210564579U CN201921762105.5U CN201921762105U CN210564579U CN 210564579 U CN210564579 U CN 210564579U CN 201921762105 U CN201921762105 U CN 201921762105U CN 210564579 U CN210564579 U CN 210564579U
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Abstract
The utility model discloses a tunnel steel bow member damping deformation supporting device relates to tunnel construction and struts technical field, including strutting the unit, strut the unit and connect by steel bow member and attenuator I and constitute, singly strut and be connected with horizontal steel pole between the unit bottom, a plurality of strut and be connected with vertical steel pole between the unit, the steel bow member outside is connected with attenuator II, and attenuator II keeps away from the one end of steel bow member and installs on the base, is connected with fixed billet between the steel bow member outside that base and correspond, the utility model discloses reached and made tunnel steel bow member supporting device have flexible buffer function concurrently, can reduce the area of crack that leads to secondary lining appearance because of the deformation of country rock, and can consume external force well and then strengthen the effect of the anti-seismic performance in whole tunnel.
Description
Technical Field
The utility model relates to a tunnel construction struts technical field, especially relates to a tunnel steel bow member damping deformation supporting device.
Background
Tunnel engineering is an important component of highways, and in the southwest region, because of the characteristics of topography, geology and landform, the tunnel accounts for a large proportion of the highways in the construction, and the tunnel safety is particularly important in the operation management of the highways, and the investment on safety is positive on benefit.
The surrounding rock supporting system of the tunnel is an important guarantee for the stability of the tunnel structure, the safety of the surrounding rock supporting system is related to the construction and long-term operation of the tunnel, and a reasonable supporting structure must have certain rigidity and flexibility at the same time.
However, the existing tunnel supporting device adopts rigid supporting, and the secondary lining is easy to have large-area cracks due to the deformation of surrounding rocks in the later operation process, and in addition, if an earthquake sudden situation occurs, the rigid supporting cannot well consume external force to enhance the earthquake-resistant performance of the whole tunnel.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome present tunnel steel bow member supporting device more adopt the rigidity to strut, because the deformation of country rock leads to secondary lining easily to appear the large tracts of land crack at the operation in-process in later stage, and one kind lean on the rigidity to strut the shortcoming that can not consume external force well and strengthen the shock resistance in whole tunnel, the to-be-solved technical problem of the utility model is to provide a have flexible buffer function concurrently, can reduce the crack area that leads to secondary lining to appear because of the deformation of country rock, and can consume external force well and then strengthen the tunnel steel bow member damping deformation supporting device of the shock resistance in whole tunnel.
In order to solve the technical problem, the utility model provides such tunnel steel bow member damping deformation supporting device, including strutting the unit, strut the unit and constitute single by steel bow member and attenuator I connect gradually in turn strut and be connected with horizontal steel pole between the unit bottom, it is a plurality of strut and be connected with vertical steel pole between the unit, the steel bow member outside is connected with attenuator II, attenuator II keeps away from the one end of steel bow member is installed on the base, the base with correspond be connected with fixed billet between the steel bow member outside.
Preferably, a steel plate I is welded on the surface of the outer side of the supporting unit, a steel plate II is welded on the surface of the inner side of the supporting unit, and prefabricated reinforced concrete segments are arranged on the surface of the inner side of the supporting unit and the surface of the steel plate II.
Preferably, connecting plates are arranged at two ends of the damper I and two ends of the steel arch, and the connecting plates corresponding to the damper I and the steel arch are fixed by fixing bolts.
Preferably, the damper II, the fixing steel bar and the steel arch corresponding to the damper II form a triangular structure therebetween.
Preferably, an anchor rod is installed at the outer side of the supporting unit.
Advantageous effects
The utility model discloses reached and made tunnel steel bow member supporting device have flexible buffer function concurrently, can reduce the crack area that leads to secondary lining appearance because of the deformation of country rock, and can consume external force well and then strengthen the effect of the anti-seismic performance in whole tunnel.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a front view structure of a damping deformation supporting device for a steel arch of a tunnel according to the present invention;
fig. 2 is a side view of the tunnel steel arch damping deformation supporting device after being formed;
fig. 3 is a schematic structural view of a damper I of the damping deformation supporting device for a steel arch frame of a tunnel according to the present invention;
fig. 4 is the utility model discloses the fixed schematic diagram of well tunnel steel bow member damping deformation supporting device's connecting plate.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
Example 1
The utility model provides a tunnel steel bow member damping deformation supporting device, as shown in fig. 1-4, including strutting unit 100, strutting unit 100 and being connected in turn by steel bow member 101 and attenuator I102 and constituting, singly it is single to strut and be connected with horizontal steel pole 106 between the unit 100 bottom, it is a plurality of it is connected with vertical steel pole 105 to strut between the unit 100, the steel bow member 101 outside is connected with attenuator II 107, attenuator II 107 is kept away from the one end of steel bow member 101 is installed on base 109, base 109 with correspond be connected with fixed steel bar 108 between the steel bow member 101 outside.
The steel plate I103 is welded on the outer side surface of the supporting unit 100, the steel plate II is welded on the inner side surface of the supporting unit 100, and prefabricated reinforced concrete pipe pieces 104 are installed on the inner side surface of the supporting unit 100 and the surface of the steel plate II.
Connecting plates 111 are arranged at two ends of the damper I102 and two ends of the steel arch 101, and the connecting plates 111 corresponding to the damper I102 and the steel arch 101 are fixed by fixing bolts 112.
The damper II 107, the fixing steel bar 108 and the steel arch 101 corresponding to the damper II 107 are in a triangular structure.
An anchor bar 110 is installed outside the supporting unit 100.
The working principle is as follows: the steel plate I103 is tightly attached to the wall of the tunnel, the steel plate I103 and the supporting unit 100 form a lining to prevent soil on the surface of the tunnel from falling off, the prefabricated reinforced concrete segment 104 is a double lining, the whole supporting device is of an integrated structure, when surrounding rocks deform or external mountain pressure is too high, the damper I102 between the steel arch frames 101 of the supporting unit 100 deforms to a certain extent to form certain flexible buffering on external pressure, a rigid external force is not directly given to the whole supporting device and is hard to collide, large-area cracks of the secondary lining are reduced or even avoided, when an earthquake occurs, the whole supporting device is subjected to external impact force, the damper II 107 arranged on the outer side of the supporting device, a triangular structure formed by the fixed steel bar 108 and the steel arch frames 101 has certain stability locally, and the damper II 107 can absorb and consume certain external impact force, the fixing steel bars 108 are slightly deformed and cooperate with the damper II 107 to provide a certain anti-seismic function for the whole supporting device, and in particular, when the whole supporting device is constructed, a certain special space is reserved for the base 109 and the damper II 107 on two sides of the tunnel.
While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (5)
1. The utility model provides a tunnel steel bow member damping deformation supporting device, is including strutting unit (100), its characterized in that, it constitutes, singly to strut unit (100) by steel bow member (101) and attenuator I (102) connect in turn strutting and being connected with horizontal steel pole (106) between unit (100) bottom, a plurality of it is connected with vertical steel pole (105) to strut between unit (100), steel bow member (101) outside is connected with attenuator II (107), attenuator II (107) are kept away from the one end of steel bow member (101) is installed on base (109), base (109) and corresponding be connected with fixed billet (108) between the steel bow member (101) outside.
2. A tunnel steel arch damped deformation supporting device according to claim 1, characterized in that steel plates I (103) are welded on the outer side surface of the supporting unit (100), steel plates II are welded on the inner side surface of the supporting unit (100), and prefabricated reinforced concrete pipe pieces (104) are installed on the inner side surface of the supporting unit (100) and the surfaces of the steel plates II.
3. A tunnel steel arch damping deformation supporting device according to claim 1, wherein both ends of the damper I (102) and both ends of the steel arch (101) are provided with connecting plates (111), and the connecting plates (111) corresponding to the damper I (102) and the steel arch (101) are fixed by fixing bolts (112).
4. The tunnel steel arch damped deformation support device according to claim 1, wherein the damper II (107), the fixing steel bar (108) and the steel arch (101) corresponding to the damper II (107) are triangular structures.
5. A tunnel steel arch damped deformation supporting device according to claim 1, characterized in that anchor rods (110) are installed outside the supporting unit (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921762105.5U CN210564579U (en) | 2019-10-17 | 2019-10-17 | Tunnel steel bow member damping deformation supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921762105.5U CN210564579U (en) | 2019-10-17 | 2019-10-17 | Tunnel steel bow member damping deformation supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210564579U true CN210564579U (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921762105.5U Active CN210564579U (en) | 2019-10-17 | 2019-10-17 | Tunnel steel bow member damping deformation supporting device |
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| CN (1) | CN210564579U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113236326A (en) * | 2021-06-15 | 2021-08-10 | 安徽理工大学 | Multidirectional self-moving type arched anti-impact advanced hydraulic support |
-
2019
- 2019-10-17 CN CN201921762105.5U patent/CN210564579U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113236326A (en) * | 2021-06-15 | 2021-08-10 | 安徽理工大学 | Multidirectional self-moving type arched anti-impact advanced hydraulic support |
| CN113236326B (en) * | 2021-06-15 | 2022-07-08 | 安徽理工大学 | Multidirectional self-moving type arched anti-impact advanced hydraulic support |
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