CN217761027U - Settlement control structure for tunnel steel arch frame - Google Patents
Settlement control structure for tunnel steel arch frame Download PDFInfo
- Publication number
- CN217761027U CN217761027U CN202221571311.XU CN202221571311U CN217761027U CN 217761027 U CN217761027 U CN 217761027U CN 202221571311 U CN202221571311 U CN 202221571311U CN 217761027 U CN217761027 U CN 217761027U
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- tunnel
- steel arch
- bow member
- control structure
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Abstract
The utility model relates to a tunnel construction technical field discloses a settlement control structure for tunnel steel bow member, include a plurality of steel bow member that arranges along the tunnel direction, still including hookup steel and stock, hookup steel and the equal fixed connection of a plurality of steel bow member, the length direction of hookup steel and the direction of arranging of a plurality of steel bow member are located same direction, stock one end and steel bow member fixed connection, and the other end is arranged in the tunnel rock stratum and is set up, still including setting up at the inboard bearing structure of steel bow member. The utility model connects each steel arch into a whole through the connecting steel, if the single steel arch or individual steel arch is settled, the settlement pressure is decomposed through the connecting steel, thereby controlling the uneven settlement of the steel arch; and then the anchor is pulled through the anchor rod to connect the steel arch frame with the rock stratum, and the stability of the steel arch frame is improved by utilizing the anchoring force of the rock stratum.
Description
Technical Field
The utility model relates to a tunnel construction technical field especially relates to a settlement control structure for tunnel steel bow member.
Background
The tunnel arch is required to be erected in the environment of tunnel construction, and in the construction of permeable weak surrounding rocks, the common problems of convergence, settlement and the like can occur in the tunnel construction due to the low self-bearing capacity of the weak surrounding rocks, the existing primary support steel arch is prone to uneven settlement caused by the stress action of the surrounding rocks, a plurality of problems are brought to subsequent construction, the progress and the appearance quality are influenced, and safety risks exist.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide a settlement control structure for tunnel steel bow member, improve tunnel steel bow member overall structure intensity.
The utility model provides a technical scheme that its technical problem adopted is: the settlement control structure for the steel arches of the tunnel comprises a plurality of steel arches arranged along the length direction of the tunnel, and also comprises connecting steel and an anchor rod, wherein the connecting steel is fixedly connected with the steel arches, the length direction of the connecting steel and the arrangement direction of the steel arches are positioned in the same direction, one end of the anchor rod is fixedly connected with the steel arches, and the other end of the anchor rod is arranged in a tunnel rock stratum; the tunnel supporting structure comprises a supporting base and a supporting rod, the supporting rod is arranged in an inclined mode, one end of the supporting rod is fixedly connected with the connecting steel, the other end of the supporting rod is fixedly connected with the supporting base, and the supporting base is fixedly arranged on the ground of a tunnel.
Further, a universal ball is fixedly arranged at the bottom end of the supporting rod, a universal support for mounting the universal ball is arranged in the supporting base, and the universal ball is connected with the universal support in a clamping mode and is in running fit with the universal support.
Further, the method comprises the following steps: the top end of the supporting rod is fixedly connected with a clamp part which is clamped and fixedly connected with the connecting steel.
Further, the method comprises the following steps: the support rod is a threaded telescopic rod.
Further, the method comprises the following steps: the anchor rods are arranged in a group of two anchor rods, the two anchor rods in the same group are arranged at intervals, the steel arch frame and the connecting steel are both positioned between the fixed ends of the two anchor rods, and a connecting piece fixedly connecting the two anchor rods is further arranged between the fixed ends of the two anchor rods.
Further, the method comprises the following steps: the connecting steel is arranged at the bottom of the steel arch frame.
Further, the method comprises the following steps: the connecting steel is welded with the steel arch frame, and the anchor rod is welded with the steel arch frame.
The utility model has the advantages that: the utility model connects each steel arch into a whole through the connecting steel, if the single steel arch or individual steel arch is settled, the settlement pressure is decomposed through the connecting steel, thereby controlling the uneven settlement of the steel arch; then, the steel arch is connected with the rock stratum by pulling the anchor through the anchor rod, and the stability of the steel arch is improved by utilizing the anchoring force of the rock stratum; the connection steel is supported through the support structure arranged on the inner side of the steel arch frame, stress of the connection steel is dispersed, and stability of the steel arch frame is further improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a partial structure of the present invention
FIG. 3 is a schematic view of the connection structure of the middle support rod of the present invention;
labeled in the figure as: 1-steel arch centering; 2-anchor rod; 3-joining steel; 4-a connector; 5-a support rod; 6-supporting the base; 7-primary support concrete; 8-a clamp member; 9-universal support.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
Please refer to fig. 1 to 3, a settlement control structure for tunnel steel bow member, include a plurality of steel bow member 1 along tunnel length direction interval arrangement, a plurality of steel bow member 1 sets up in just propping up concrete 7, still including hookup steel 3 and stock 2, hookup steel 3 and the equal fixed connection of a plurality of steel bow member 1, the length direction of hookup steel 3 and the direction of arranging of a plurality of steel bow member 1 are located same direction, 2 one end of stock and 1 fixed connection of steel bow member, the other end is arranged in the tunnel stratum and is set up.
Each steel arch 1 is connected into a whole through connecting steel 3, and if the single or individual steel arch 1 is settled, the settlement pressure is decomposed through the connecting steel 3, so that the uneven settlement of the steel arch 1 is controlled; and then the anchor rod 2 is used for pulling the anchor to connect the steel arch 1 with the rock stratum, and the stability of the steel arch is improved by utilizing the anchoring force of the rock stratum.
In order to further improve the stability of the connection steel 3, the tunnel supporting structure further comprises a supporting structure arranged on the inner side of the steel arch 1, the supporting structure comprises a supporting base 6 and a supporting rod 5, the supporting rod 5 is obliquely arranged, one end of the supporting rod 5 is fixedly connected with the connection steel 3, the other end of the supporting rod is fixedly connected with the supporting base 6, and the supporting base 6 is fixedly arranged on the ground of the tunnel. The supporting structure can be circularly used, and the initial support safety and stability are improved along with the following tunneling and excavation, so that the occupied space is small, and the material is saved.
Specifically, 5 bottom fixings of bracing piece are provided with universal ball, are provided with the universal support 9 that supplies the universal ball installation in the support base 6, and universal ball and universal support 9 joint and normal running fit. The mounting direction of the supporting rod 5 is adjusted through the universal ball and the universal support 9, so that the universal support is suitable for different terrains and is convenient to mount and adjust.
Specifically, 5 top fixedly connected with clamp spare 8 on the bracing piece, clamp spare 8 and 3 joints of hookup steel and fixed connection, clamp spare 8 is more convenient to be connected with hookup steel 3 to be convenient for carry out welded fastening.
Specifically, bracing piece 5 is the screw thread telescopic link, adjustable length, adapts to different topography, the installation of being convenient for.
Specifically, stock 2 uses two to set up as a set of, and two stock 2 intervals of the same group set up, and steel bow member 1, hookup steel 3 all are located between the stiff end of two stock 2, still be provided with between the stiff end of two stock 2 with the connecting piece 4 of the two fixed connection. The steel arch frame 1 and the connecting steel 3 are in limited connection through the end parts of the two anchor rods 2 in the same group, so that the strength and the stability of the connecting structure are further improved.
Specifically, the bottom of the steel arch frame 1 is subjected to a large pressure, and the connecting steel 3 is arranged at the bottom of the steel arch frame 1, so that the stability of the whole bottom structure of the steel arch frame 1 is greatly improved.
Specifically, the connecting steel 3 is welded with the steel arch 1, and the anchor rod 2 is welded with the steel arch 1.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A settlement control structure for tunnel steel bow member, include along a plurality of steel bow member (1) of tunnel length direction interval arrangement, its characterized in that: the tunnel is characterized by further comprising connecting steel (3) and an anchor rod (2), wherein the connecting steel (3) is fixedly connected with the plurality of steel arches (1), the length direction of the connecting steel (3) and the arrangement direction of the plurality of steel arches (1) are located in the same direction, one end of the anchor rod (2) is fixedly connected with the steel arches (1), and the other end of the anchor rod is arranged in a tunnel rock stratum; the tunnel supporting structure is characterized by further comprising a supporting structure arranged on the inner side of the steel arch frame (1), the supporting structure comprises a supporting base (6) and a supporting rod (5), the supporting rod (5) is arranged in an inclined mode, one end of the supporting rod (5) is fixedly connected with the connecting steel (3), the other end of the supporting rod is fixedly connected with the supporting base (6), and the supporting base (6) is fixedly arranged on the ground of the tunnel.
2. The settlement control structure for a tunnel steel arch according to claim 1, wherein: the bottom end of the supporting rod (5) is fixedly provided with a universal ball, a universal support (9) for mounting the universal ball is arranged in the supporting base (6), and the universal ball is connected with the universal support (9) in a clamping mode and is in running fit with the universal support.
3. The settlement control structure for a tunnel steel arch according to claim 1, wherein: the top end of the supporting rod (5) is fixedly connected with a hoop part (8), and the hoop part (8) is clamped and fixedly connected with the connecting steel (3).
4. The settlement control structure for a tunnel steel arch according to claim 1, wherein: the supporting rod (5) is a threaded telescopic rod.
5. The settlement control structure for a tunnel steel arch according to claim 1, wherein: stock (2) use two to set up as a set of, and two stock (2) intervals of the same group set up, and steel bow member (1), hookup steel (3) all are located between the stiff end of two stock (2), still be provided with between the stiff end of two stock (2) with the connecting piece (4) of the two fixed connection.
6. The settlement control structure for a tunnel steel arch according to claim 1, wherein: the connecting steel (3) is arranged at the bottom of the steel arch frame (1).
7. The settlement control structure for a tunnel steel arch according to any one of claims 1 to 6, wherein: the connecting steel (3) is welded with the steel arch frame (1), and the anchor rod (2) is welded with the steel arch frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221571311.XU CN217761027U (en) | 2022-06-22 | 2022-06-22 | Settlement control structure for tunnel steel arch frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221571311.XU CN217761027U (en) | 2022-06-22 | 2022-06-22 | Settlement control structure for tunnel steel arch frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217761027U true CN217761027U (en) | 2022-11-08 |
Family
ID=83894604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221571311.XU Active CN217761027U (en) | 2022-06-22 | 2022-06-22 | Settlement control structure for tunnel steel arch frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217761027U (en) |
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2022
- 2022-06-22 CN CN202221571311.XU patent/CN217761027U/en active Active
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