CN211081900U

CN211081900U - Tunnel reinforcing structure

Info

Publication number: CN211081900U
Application number: CN201921940017.XU
Authority: CN
Inventors: 代彤; 陈军; 奉龙成; 刘鹏飞
Original assignee: Zhongshe Engineering Consulting Chongqing Co ltd
Current assignee: Zhongshe Engineering Consulting Chongqing Co ltd
Priority date: 2019-11-11
Filing date: 2019-11-11
Publication date: 2020-07-24
Anticipated expiration: 2029-11-11

Abstract

The utility model discloses a tunnel reinforced structure inlays on the inner wall in tunnel and is equipped with the steel bow member, and the intermediate position in tunnel is provided with vertical support frame, and this vertical support frame is including all extending stand basis and support back timber along tunnel length direction, and wherein stand basis is located the road surface, supports the back timber and is located the steel bow member downside, it has the vertical steel pipe stand that upwards extends to distribute between stand basis and the support back timber, is connected with the supporting horizontal beam that the level set up and the supporting inclined beam that inclines to set up between two adjacent steel pipe stands, be connected with left crossbeam and right crossbeam between the steel pipe stand left and right sides and the tunnel both sides wall respectively, left crossbeam and the equal level of right crossbeam are arranged. The utility model has the advantages that: the tunnel can be effectively reinforced, the potential safety hazard is reduced, the existing traffic is not interrupted, and the original road passing function is not influenced.

Description

Tunnel reinforcing structure

Technical Field

The utility model belongs to the technical field of the tunnel construction, concretely relates to tunnel reinforced structure.

Background

With the gradual advance of national infrastructure, China already has a plurality of tunnels. For some tunnels with long service life, cracking, local peeling, water leakage and the like occur, and certain potential safety hazards exist after the tunnels are continuously used.

Since many of the damaged tunnels are located on the urban traffic main road, especially some urban tunnels, the direct operations of dismantling, constructing, maintaining and the like on the tunnels can affect the traffic passage.

Therefore, a support structure which does not affect the tunnel passing and can temporarily reinforce the tunnel is urgently needed to be designed.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a tunnel reinforced structure can form the tunnel and consolidate effectively, reduces the potential safety hazard to do not interrupt current traffic, do not influence the current function of original road.

In order to achieve the above purpose, the utility model discloses technical scheme as follows:

a tunnel reinforced structure, its key lies in: inlay on the inner wall in tunnel and be equipped with the steel bow member, the intermediate position in tunnel is provided with vertical support frame, and this vertical support frame is including all extending stand basis and support back timber along tunnel length direction, and wherein stand basis sets up on tunnel bottom road surface, supports the back timber and is located the steel bow member downside, it has vertical upwards extending steel pipe stand to distribute between stand basis and the support back timber, is connected with the horizontal support beam that the level set up and the slope supporting beam that the slope set up between two adjacent steel pipe stands, each all be connected with left crossbeam and right crossbeam between steel pipe stand left and right sides and the tunnel both sides wall respectively, and the equal level of left crossbeam and right crossbeam is arranged.

By adopting the structure, the steel arch frame is laid along the inner wall of the tunnel, primary reinforcement effect can be played everywhere on the inner wall of the tunnel, the upright post foundation, the supporting top beam and the steel pipe upright post can play integral vertical support for the tunnel in the middle of the tunnel, the left cross beam and the right cross beam can play integral transverse support for the tunnel, the integral supporting strength is high, and the potential safety hazard of the tunnel can be effectively reduced. Meanwhile, the longitudinal support frame is arranged in the middle of the tunnel, so that normal traffic can be guaranteed.

Preferably, the method comprises the following steps: the tunnel comprises an arc-shaped top arch structure and straight wall structures positioned on two sides below the arc-shaped top arch structure.

Preferably, the method comprises the following steps: the upright post foundation is formed by pouring concrete. Adopt above-mentioned structure, intensity is high, can play the anticollision effect.

Preferably, the method comprises the following steps: the lower end of the steel pipe upright post is fixedly connected to the upright post foundation through a lower bolt, and the upper end of the steel pipe upright post is fixedly connected to the supporting top beam through an upper bolt. By adopting the structure, the construction and the installation are convenient, and the connection is reliable.

Preferably, the method comprises the following steps: the support top beam comprises two parallel I-shaped steel in the width direction of the tunnel. By adopting the structure, the supporting strength of the supporting top beam can be improved, and the construction is facilitated.

Preferably, the method comprises the following steps: and two ends of the inclined supporting beam are connected to the end parts of the two adjacent horizontal supporting beams which are far away from each other. By adopting the structure, a plurality of triangular structures can be formed between every two adjacent steel pipe stand columns so as to ensure the integral supporting strength.

Preferably, the method comprises the following steps: the front side and the rear side of the steel tube stand column are provided with first connecting plates, and the end parts of the horizontal supporting beam and the inclined supporting beam are welded on the first connecting plates.

Preferably, the method comprises the following steps: the left side and the right side of the steel tube stand column are provided with second connecting plates, and the two ends of the left cross beam and the right cross beam are welded on the second connecting plates and the steel arch frames. By adopting the structure, the construction connection is convenient.

Preferably, the method comprises the following steps: reinforcing ribs are arranged on two sides of the I-shaped steel. By adopting the structure, the supporting strength of the supporting top beam can be further improved.

Compared with the prior art, the beneficial effects of the utility model are that:

adopt the utility model provides a tunnel reinforced structure supports intensity height, and the construction is convenient, can anticollision, can form the reinforcement effectively to the tunnel, reduces the potential safety hazard to can not interrupt current traffic, can not influence the current function of original road.

Drawings

FIG. 1 is a cross-sectional view of a tunnel;

FIG. 2 is a schematic view showing the structural layout of the reaction longitudinal support;

FIG. 3 is a schematic view showing the connection relationship between a horizontal support beam, an inclined support beam, a left cross beam, a right cross beam and a steel tube column;

FIG. 4 is an enlarged view at II in FIG. 1;

fig. 5 is an enlarged view at i in fig. 1.

Detailed Description

The present invention will be further described with reference to the following examples and accompanying drawings.

As shown in fig. 1, a tunnel reinforcing structure is suitable for a tunnel, and comprises an arc-shaped arch structure a at the upper end and straight wall structures b at the left and right sides, and steel arches 1 are embedded on the inner wall of the whole tunnel to perform primary reinforcing action on all parts of the inner wall of the tunnel.

As shown in fig. 2 again, a longitudinal support frame a is arranged at the middle position of the tunnel, the longitudinal support frame a can play a role of integral vertical support for the tunnel in the middle of the tunnel, the structure of the support frame includes a vertical column base 2 and a support top beam 4 which are extended along the length direction of the tunnel, wherein the vertical column base 2 is located on the road surface, the support top beam 4 is located at the lower side of the steel arch frame 1, steel tube columns 3 which are vertically and upwardly extended are distributed between the vertical column base 2 and the support top beam 4, a horizontal support beam 5a which is horizontally arranged and an inclined support beam 5b which is obliquely arranged are connected between two adjacent steel tube columns 3, and two ends of the inclined support beam 5b are connected to the end parts of the two adjacent upper and lower horizontal support beams 5a which are far away from each other, so that the layout can.

As shown in fig. 3 again, left crossbeam 6 that extends and fixed welding on steel bow member 1 towards tunnel left side lateral wall is all installed in steel pipe stand 3 left side, and right crossbeam 7 that extends and fixed welding on steel bow member 1 towards tunnel right side lateral wall is all installed in steel pipe stand 3 right side, and left crossbeam 6 and right crossbeam 7 are the level and are arranged, and the two can play holistic horizontal support effect to the tunnel.

For convenient construction and installation, the front and back both sides of steel pipe stand 3 are equipped with first connecting plate 3c, and the left and right sides is equipped with second connecting plate 3d, and the tip welding of horizontal supporting beam 5a and an incline supporting beam 5b is on first connecting plate 3c, and the tip welding of left crossbeam 6 and right crossbeam 7 is on second connecting plate 3 d.

The reinforced structure of this embodiment is adopted in the tunnel, can carry out normal traffic current after the tunnel is consolidated, for preventing that the vehicle from crashing reinforced structure to make the life maximize, stand basis 2 adopts concrete placement to form, and contain the reinforcing bar in the concrete.

As shown in fig. 4 and 5, for the convenience of construction and installation, the lower end of the steel pipe column 3 is fixedly connected to the column foundation 2 by a lower bolt 3a, and the upper end is fixedly connected to the supporting cap 4 by an upper bolt 3 b.

As shown in fig. 5, the supporting cap 4 includes two i-beams arranged in parallel, and reinforcing ribs 4a are provided at both sides of the i-beams, so that the supporting strength of the supporting cap 4 is improved and the construction is facilitated.

Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and the scope of the present invention.

Claims

1. A tunnel reinforced structure which characterized in that: a steel arch frame (1) is embedded on the inner wall of the tunnel, a longitudinal support frame (A) is arranged in the middle of the tunnel, the longitudinal support frame (A) comprises an upright column foundation (2) and a support top beam (4) which extend along the length direction of the tunnel, wherein the upright post foundation (2) is arranged on the road surface at the bottom of the tunnel, the supporting top beam (4) is positioned at the lower side of the steel arch frame (1), the steel pipe stand that it is vertical upwards to extend (3) to distribute between stand basis (2) and support back timber (4), be connected with the horizontal support beam (5a) that the level set up and the slope supporting beam (5b) that the slope set up between two adjacent steel pipe stands (3), each all be connected with left crossbeam (6) and right crossbeam (7) between steel pipe stand (3) the left and right sides and the tunnel both sides wall respectively, left crossbeam (6) and right crossbeam (7) equal horizontal arrangement.

2. The tunnel reinforcing structure of claim 1, wherein: the tunnel comprises an arc-shaped top arch structure (a) and straight wall structures (b) positioned on two sides below the arc-shaped top arch structure (a).

3. The tunnel reinforcing structure of claim 2, wherein: the upright post foundation (2) is formed by pouring concrete.

4. The tunnel reinforcing structure of claim 3, wherein: the lower end of the steel tube upright post (3) is fixedly connected to the upright post foundation (2) through a lower bolt (3a), and the upper end of the steel tube upright post is fixedly connected to the support top beam (4) through an upper bolt (3 b).

5. The tunnel reinforcing structure of claim 4, wherein: the supporting top beam (4) comprises two parallel I-shaped steel beams in the width direction of the tunnel.

6. The tunnel reinforcing structure of claim 5, wherein: reinforcing ribs (4a) are arranged on two sides of the I-shaped steel.

7. The tunnel reinforcing structure according to any one of claims 1 to 6, wherein: the two ends of the inclined supporting beam (5b) are connected to the end parts of the two adjacent horizontal supporting beams (5a) which are far away from each other.

8. The tunnel reinforcing structure of claim 7, wherein: the front side and the rear side of the steel tube upright post (3) are provided with first connecting plates (3c), and the end parts of the horizontal supporting beam (5a) and the inclined supporting beam (5b) are welded on the first connecting plates (3 c).

9. The tunnel reinforcing structure of claim 8, wherein: the left and right sides of steel pipe stand (3) is equipped with second connecting plate (3d), and the both ends of left crossbeam (6) and right crossbeam (7) all weld on second connecting plate (3d) and steel bow member (1).