A tunnel open hole lining and anti-slide pile anchoring structure
By setting up an anchor structure between the tunnel's open hole lining and the anti-sliding piles and using steel bars to connect the anti-sliding piles and the open hole lining, the problem of structural instability of the open hole lining in the shallow buried formation is solved, and the safety and environmental protection of the tunnel are achieved.
Patent Information
- Application Number
- CN202421377475.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-17
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-06-17
AI Technical Summary
When setting up tunnels in shallow buried formations, the open hole lining is difficult to ensure the safety of the tunnel and the environmental impact of construction due to unstable soil, insufficient local buried depth, and unstable structure.
The tunnel open-hole lining and anti-sliding pile anchor structure are adopted. By setting up an anchor structure between the open-hole lining and anti-sliding pile, the anti-sliding pile and the open-hole lining are connected by horizontal and vertical steel bars to form a stable overall structure.
Through the installation of the anchor structure, the overall stability of the open hole lining is increased, the problem of insufficient local burial depth is avoided, and the safety of the tunnel and the protection of the construction environment are ensured.
Smart Images
Figure CN222730528U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tunnel open hole construction, in particular to a tunnel open hole lining and anti-slide pile anchoring structure. Background Art
[0002] When laying high-speed railways in mountainous areas, they have to pass through shallow strata due to the influence of terrain and existing ground buildings. When setting up tunnels in shallow strata, in order to ensure the safety of tunnel construction and reduce the impact of construction on the surrounding environment, it is usually necessary to adopt an open hole structure.
[0003] The geological conditions on the mountain side of the open hole lining are poor, and protective measures need to be taken when the soil is unstable, resulting in insufficient local burial depth of the open hole lining and unstable structure. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model provides a tunnel open hole lining and anti-sliding pile anchoring structure, which solves the problems mentioned in the above background.
[0005] The utility model provides the following technical solution: a tunnel open hole lining and anti-slide pile anchoring structure, comprising: an open hole lining and anti-slide piles for connecting with a mountain, an anchoring structure is arranged between the anti-slide piles and the open hole lining;
[0006] Each of the anchoring structures includes a plurality of transverse steel bars and a plurality of vertical steel bars. The plurality of transverse steel bars and the plurality of vertical steel bars are arranged perpendicular to each other, and one end of the transverse steel bar is connected to the open hole lining, and the other end of the transverse steel bar is connected to the anti-slip pile.
[0007] Preferably, a filling layer is provided between the anti-sliding piles and the open hole lining, and the plurality of transverse steel bars and the plurality of vertical steel bars are all located inside the filling layer.
[0008] Preferably, one end of the transverse reinforcement extends to the inside of the open hole lining, and the length of the transverse reinforcement extending to the inside of the open hole lining is 0.75m, and the other end of the transverse reinforcement extends to the inside of the anti-slip pile, and the length of the transverse reinforcement extending to the inside of the anti-slip pile is 1m.
[0009] Preferably, the plurality of transverse steel bars and the plurality of vertical steel bars are divided into two groups and are symmetrically arranged with the vertical center plane of the anti-sliding pile as a symmetry plane.
[0010] Preferably, the diameters of the plurality of transverse steel bars and the plurality of vertical steel bars are both 16 mm, and the spacing between adjacent transverse steel bars and adjacent vertical steel bars is both 20 cm.
[0011] Preferably, the anti-slide pile is made of C35 reinforced concrete, the length of the anti-slide pile is 24m, the length of the cross section of the anti-slide pile is 2.5m, the width of the cross section of the anti-slide pile is 2.25m, and the exposed length of the anti-slide pile is 11m.
[0012] Preferably, the open hole lining is made of C35 reinforced concrete, and the thickness of the open hole lining is 85 cm.
[0013] Preferably, the filling layer is made of C35 reinforced concrete.
[0014] Compared with the prior art, the utility model has the following beneficial effects:
[0015] The tunnel open hole lining and anti-slip pile anchorage structure are designed to connect the anti-slip piles and the open hole lining with transverse steel bars, and multiple vertical steel bars are used to connect the transverse steel bars to fix the transverse steel bars, thereby increasing the overall stability of the open hole lining. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the open-hole lining and anti-slide pile anchoring structure of the utility model;
[0017] Figure 2 It is a cross-sectional structural schematic diagram of the open-hole tunnel lining and anti-sliding pile anchoring structure of the utility model.
[0018] In the figure: 1. Anti-sliding piles; 2. Open hole lining; 3. Anchor structure; 31. Transverse reinforcement; 32. Vertical reinforcement; 4. Filling layer. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0020] See also Figure 1-2 , a tunnel open hole lining and anti-slide pile anchoring structure, comprising: an open hole lining 2 and an anti-slide pile 1 for connecting with a mountain, an anchoring structure 3 is arranged between the anti-slide pile 1 and the open hole lining 2;
[0021] Each anchoring structure 3 includes a plurality of transverse steel bars 31 and a plurality of vertical steel bars 32 . The plurality of transverse steel bars 31 and the plurality of vertical steel bars 32 are arranged perpendicular to each other, and one end of the transverse steel bar 31 is connected to the open hole lining 2 , and the other end of the transverse steel bar 31 is connected to the anti-slip pile 1 .
[0022] A filling layer 4 is provided between the anti-sliding pile 1 and the open hole lining 2 , and a plurality of transverse steel bars 31 and a plurality of vertical steel bars 32 are all located inside the filling layer 4 .
[0023] One end of the transverse steel bar 31 extends to the interior of the open hole lining 2, and the length of the transverse steel bar 31 extending into the open hole lining 2 is 0.75m. The other end of the transverse steel bar 31 extends to the interior of the anti-sliding pile 1, and the length of the transverse steel bar 31 extending into the anti-sliding pile 1 is 1m. After the deformation of the anti-sliding pile 1 is stabilized, the transverse steel bar 31 is implanted into the anti-sliding pile 1 and the implantation length is 1m.
[0024] In a specific embodiment, Figure 2 As shown, the plurality of transverse steel bars 31 and the plurality of vertical steel bars 32 are divided into two groups and are symmetrically arranged with the vertical center plane of the anti-sliding pile 1 as the symmetry plane.
[0025] In a specific embodiment, the diameters of the multiple transverse steel bars 31 and the multiple vertical steel bars 32 are both 16 mm, the spacing between adjacent transverse steel bars 31 and adjacent vertical steel bars 32 is both 20 cm, and the multiple transverse steel bars 31 and the multiple vertical steel bars 32 are HRB400 steel bars with a diameter of 16 mm.
[0026] The anti-slide pile 1 is made of C35 reinforced concrete, the pile length of the anti-slide pile 1 is 24m, the length of the cross section of the anti-slide pile 1 is 2.5m, the width of the cross section of the anti-slide pile 1 is 2.25m, and the exposed length of the anti-slide pile 1 is 11m.
[0027] The open hole lining 2 is made of C35 reinforced concrete, and the thickness of the open hole lining 2 is 85 cm, and the filling layer 4 is made of C35 reinforced concrete.
[0028] The transverse reinforcement 31 connects the anti-sliding piles 1 and the open hole lining 2, and a plurality of vertical reinforcements 32 are connected to the transverse reinforcement 31 to fix the transverse reinforcement 31. C35 reinforced concrete is used to form a filling layer 4 to increase the overall stability of the open hole lining 2.
[0029] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A tunnel open hole lining and anti-slide pile anchoring structure, characterized in that: include: An open hole lining (2) and an anti-sliding pile (1) for connecting to a mountain, wherein an anchoring structure (3) is provided between the anti-sliding pile (1) and the open hole lining (2); Each of the anchor structures (3) comprises a plurality of transverse steel bars (31) and a plurality of vertical steel bars (32), wherein the plurality of transverse steel bars (31) and the plurality of vertical steel bars (32) are arranged perpendicular to each other, and one end of the transverse steel bar (31) is connected to the open hole lining (2), and the other end of the transverse steel bar (31) is connected to the anti-sliding pile (1).
2. The tunnel open hole lining and anti-slide pile anchoring structure according to claim 1 is characterized in that: A filling layer (4) is provided between the anti-sliding pile (1) and the open hole lining (2), and the plurality of transverse steel bars (31) and the plurality of vertical steel bars (32) are all located inside the filling layer (4).
3. The tunnel open hole lining and anti-slide pile anchoring structure according to claim 2 is characterized in that: One end of the transverse steel bar (31) extends to the inside of the open hole lining (2), and the length of the transverse steel bar (31) extending to the inside of the open hole lining (2) is 0.75 m, and the other end of the transverse steel bar (31) extends to the inside of the anti-sliding pile (1), and the length of the transverse steel bar (31) extending to the inside of the anti-sliding pile (1) is 1 m.
4. The tunnel open hole lining and anti-slide pile anchoring structure according to claim 3 is characterized in that: The plurality of transverse steel bars (31) and the plurality of vertical steel bars (32) are divided into two groups and are symmetrically arranged with the vertical center plane of the anti-sliding pile (1) as a symmetry plane.
5. The tunnel open hole lining and anti-slide pile anchoring structure according to claim 3 is characterized in that: The diameters of the plurality of transverse steel bars (31) and the plurality of vertical steel bars (32) are both 16 mm, and the spacing between adjacent transverse steel bars (31) and adjacent vertical steel bars (32) is both 20 cm.
6. The tunnel open hole lining and anti-slide pile anchoring structure according to claim 1 is characterized in that: The anti-slide pile (1) is made of C35 reinforced concrete, the length of the anti-slide pile (1) is 24 m, the length of the cross section of the anti-slide pile (1) is 2.5 m, the width of the cross section of the anti-slide pile (1) is 2.25 m, and the exposed length of the anti-slide pile (1) is 11 m.
7. The tunnel open hole lining and anti-slide pile anchoring structure according to claim 1 is characterized in that: The open hole lining (2) is made of C35 reinforced concrete, and the thickness of the open hole lining (2) is 85 cm.
8. The tunnel open hole lining and anti-slide pile anchoring structure according to claim 2 is characterized in that: The filling layer (4) is made of C35 reinforced concrete.