CN219366065U - Reinforcing and supporting structure for shield underpass of existing tunnel - Google Patents
Reinforcing and supporting structure for shield underpass of existing tunnel Download PDFInfo
- Publication number
- CN219366065U CN219366065U CN202320514684.1U CN202320514684U CN219366065U CN 219366065 U CN219366065 U CN 219366065U CN 202320514684 U CN202320514684 U CN 202320514684U CN 219366065 U CN219366065 U CN 219366065U
- Authority
- CN
- China
- Prior art keywords
- supporting
- support
- shield
- reinforcing
- rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model relates to the field of tunnel support, in particular to a reinforcing support structure for a shield underpass to an existing tunnel transverse channel, which comprises a reinforcing support structure main body, wherein a support structure is arranged at the upper part of the reinforcing support structure main body, the support structure comprises a support steel plate I, a telescopic rod I, a support pier I and a fixing bolt, the bottom of the support steel plate I is connected with the telescopic rod I, the bottom of the telescopic rod I is connected with the support pier I, and an inclined rod is arranged in the support steel plate I. According to the utility model, the supporting structure, the first supporting component and the second supporting component are arranged in the shield tunnel to form an integral stress system, and the integral stress system is matched with the shield lining to provide reinforcing support for the shield tunnel, so that the technical problem that the shield tunnel reinforcing supporting structure in the prior art has poor deformation control effect is solved, and the technical effect of improving the deformation control effect in the shield tunnel is realized.
Description
Technical Field
The utility model relates to the field of tunnel support, in particular to a reinforcing support structure for a shield underpass to an existing tunnel transverse channel.
Background
In the shield construction process, when more shield tunnel process wells appear, or when the shield tunnel is firstly constructed and the foundation pit is finally constructed, how the existing shield segment tunnel is economically and reasonably supported and reinforced is particularly important, so that the safety and stability of the foundation pit excavation process are ensured. The existing support form has larger site randomness, and the support condition against the stress deformation characteristic of the tunnel supporting the shield segment appears in the construction, so that the potential safety hazard of site construction is greatly increased, and the construction cost is also increased.
At present, the support reinforcement in the shield tunnel mainly comprises a'm-shaped' support form, a door-shaped support form and the like. The circular whole stress characteristics of the shield tunnel are fully considered in the form of the m-shaped support, but the settlement control of the tunnel vault is poorer, and the stress failure of part of the inner support can be caused by the overlarge vertical deformation. The door type support considers the traffic demands of rail laying and locomotives, but the overall control deformation effect is poor due to the lack of the internal support pair support.
Therefore, a reinforcing support structure for the existing tunnel cross channel by shield tunneling is provided by those skilled in the art to solve the above-mentioned problems in the prior art.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a reinforcing support structure for a cross channel of an existing tunnel through shield underpass, which comprises a reinforcing support structure main body, wherein a support structure is arranged at the upper part of the reinforcing support structure main body, the support structure comprises a support steel plate I, a telescopic rod I, a support pier I and a fixing bolt, the bottom of the support steel plate I is connected with the telescopic rod I, and the bottom of the telescopic rod I is connected with the support pier I;
the inside of the first supporting steel plate is provided with an inclined rod, one side, close to the first supporting steel plate, of the right side of the inclined rod is provided with a first supporting rod, the left side of the first supporting rod is connected with a first connecting rod, the left side of the first connecting rod is provided with a first connecting rod, and the upper end of the first connecting rod is provided with a first vertical rod;
the downside of supporting construction is equipped with supporting component one, and supporting component one's right side is equipped with supporting component two, and supporting component two includes supporting steel sheet two, telescopic link two, supporting pier two, supporting arc two and draw-in groove, and supporting pier two is connected to supporting steel sheet two's lower extreme, and supporting pier two's inside is equipped with supporting arc two, and supporting steel sheet two's upper end links up pole two, and linking pole two's upside is equipped with connecting rod two, and connecting rod two's left side is equipped with bracing piece two, and bracing piece two's left side is connected montant two.
Preferably: and a first supporting arc is arranged in the first supporting pier.
Preferably: the upper end of the first vertical rod is connected with a fixed plug block, and a fixed bolt is arranged on the fixed plug block.
Preferably: and a clamping groove is formed in the upper end of the second vertical rod.
Preferably: the first support component and the second support component are identical in structure.
Preferably: the clamping groove is consistent with the fixed plug block in structure.
The utility model has the technical effects and advantages that:
according to the utility model, the supporting structure, the first supporting component and the second supporting component are arranged in the shield tunnel to form an integral stress system, and the integral stress system is matched with the shield lining to provide reinforcing support for the shield tunnel, so that the technical problem that the shield tunnel reinforcing supporting structure in the prior art has poor deformation control effect is solved, and the technical effect of improving the deformation control effect in the shield tunnel is realized.
Drawings
Fig. 1 is a schematic structural diagram of a reinforcing support structure of a shield underpass to an existing tunnel cross channel provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of a reinforcing support structure of a shield underpass to an existing tunnel cross channel according to an embodiment of the present application;
FIG. 3 is a schematic structural view of a top view of a shield under-penetration in a reinforced support structure of an existing tunnel cross-tunnel according to an embodiment of the present application;
fig. 4 is a schematic structural view of a first support component and a second support component in a reinforced support structure of a shield underpass to an existing tunnel cross channel according to an embodiment of the present application;
FIG. 5 is a schematic structural view of a first support assembly in a reinforced support structure of a shield underpass to an existing tunnel cross channel according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of a support component two in a reinforced support structure of a shield underpass to an existing tunnel cross channel according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of a reinforcing support structure diagram of a shield underpass to an existing tunnel cross channel at a position a in fig. 5 according to an embodiment of the present application;
fig. 8 is a schematic structural diagram of a shield under-penetration structure at B in fig. 4 for reinforcing and supporting a transverse tunnel channel.
In the figure: 1. reinforcing the support structure body;
2. a support structure; 21. a first supporting steel plate; 22. a first telescopic rod; 23. supporting the first pier; 24. a first support arc; 25. a diagonal rod; 26. a first support rod; 27. a connecting rod I; 28. a first connecting rod; 29. a first vertical rod; 291. fixing the insert block; 292. a fixing bolt;
3. a first support assembly;
4. a second supporting component; 41. a second supporting steel plate; 42. a second telescopic rod; 43. supporting the second pier; 44. a second support arc; 45. a connecting rod II; 46. a second connecting rod; 47. a second support rod; 48. a second vertical rod; 49. a clamping groove.
Description of the embodiments
The utility model will be described in further detail with reference to the drawings and the detailed description. The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Examples
Referring to fig. 1 to 8, in this embodiment, a reinforcing support structure for a shield underpass to an existing tunnel cross channel is provided, including a reinforcing support structure main body 1, a support structure 2 is provided at an upper portion of the reinforcing support structure main body 1, the support structure 2 includes a support steel plate 21, a telescopic rod 22, a support pier 23 and a fixing bolt 292, a bottom of the support steel plate 21 is connected with the telescopic rod 22, a bottom of the telescopic rod 22 is connected with the support pier 23, and a support arc 24 is provided inside the support pier 23;
the inside of the first supporting steel plate 21 is provided with an inclined rod 25, one side, close to the first supporting steel plate 21, of the right side of the inclined rod 25 is provided with a first supporting rod 26, the left side of the first supporting rod 26 is connected with a first connecting rod 27, the left side of the first connecting rod 27 is provided with a first connecting rod 28, the upper end of the first connecting rod 28 is provided with a first vertical rod 29, the upper end of the first vertical rod 29 is connected with a fixed insert 291, and the fixed insert 291 is provided with a fixed bolt 292;
the lower side of the support structure 2 is provided with a first support component 3, the right side of the first support component 3 is provided with a second support component 4, the second support component 4 comprises a second support steel plate 41, a second telescopic rod 42, a second support pier 43, a second support arc 44 and a clamping groove 49, the lower end of the second support steel plate 41 is connected with the second telescopic rod 42, the lower end of the second telescopic rod 42 is connected with the second support pier 43, the second support arc 44 is arranged in the second support pier 43, the upper end of the second support steel plate 41 is connected with a second link rod 45, the upper side of the second link rod 45 is provided with a second link rod 46, the left side of the second link rod 46 is provided with a second support rod 47, the left side of the second support rod 47 is connected with a second vertical rod 48, and the upper end of the second vertical rod 48 is provided with the clamping groove 49;
further, the first support component 3 and the second support component 4 have the same structure, and the clamping groove 49 and the fixing insert 291 have the same structure, and may be fixed by using the fixing bolt 292.
The working principle of the utility model is as follows: when the support structure is used, the reinforcement support structure body 1 is moved to a position where the tunnel needs to be used, and then the fixed insertion blocks 291, the fixed bolts 292 and the clamping grooves 49 on the support structure 2, the support component I3 and the support component II 4 are fixed through the fixed bolts 292;
in the application, the reinforced support structure main body 1 comprises a support structure 2, a first support component 3 and a second support component 4, so as to realize reinforced support to the horizontal and vertical directions of the shield tunnel; the first telescopic rod 22 and the second telescopic rod 42 are arranged and used for providing cross reinforcement support for the shield tunnel;
through setting up supporting construction 2, supporting component one 3 and supporting component two 4 in the shield tunnel, form holistic atress system, cooperate the setting with the shield lining to provide the reinforcement support to the shield tunnel, solved the shield tunnel that exists among the prior art and consolidate supporting construction and have the relatively poor technical problem of control deformation effect, realized improving the technological effect to the deformation control effect in the shield tunnel.
It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present utility model without the inventive step, are intended to be within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.
Claims (6)
1. The utility model provides a shield wears under to reinforcement bearing structure of existing tunnel cross channel, includes reinforcement bearing structure main part (1), its characterized in that, the upper portion of reinforcement bearing structure main part (1) is equipped with supporting structure (2), and supporting structure (2) include supporting steel sheet one (21), telescopic link one (22), supporting pier one (23) and fixing bolt (292), and telescopic link one (22) are connected to the bottom of supporting steel sheet one (21), and supporting pier one (23) are connected to the bottom of telescopic link one (22);
an inclined rod (25) is arranged in the first supporting steel plate (21), a first supporting rod (26) is arranged on the right side of the inclined rod (25) and close to one side of the first supporting steel plate (21), the left side of the first supporting rod (26) is connected with a connecting rod I (27), a connecting rod I (28) is arranged on the left side of the connecting rod I (27), and a first vertical rod (29) is arranged at the upper end of the connecting rod I (28);
the downside of supporting construction (2) is equipped with supporting component one (3), the right side of supporting component one (3) is equipped with supporting component two (4), supporting component two (4) are including supporting steel sheet two (41), telescopic link two (42), support mound two (43), support arc two (44) and draw-in groove (49), telescopic link two (42) are connected to the lower extreme of supporting steel sheet two (41), support mound two (43) are connected to the lower extreme of telescopic link two (42), the inside of supporting mound two (43) is equipped with support arc two (44), the upper end of supporting steel sheet two (41) links up pole two (45), the upside of linking pole two (45) is equipped with connecting rod two (46), the left side of connecting rod two (46) is equipped with bracing piece two (47), montant two (48) are connected in the left side of bracing piece two (47).
2. A reinforcing and supporting structure for a shield underpass to an existing tunnel cross-section as claimed in claim 1, wherein said supporting pier one (23) is internally provided with a supporting arc one (24).
3. The reinforcing and supporting structure for the shield tunneling machine to the existing tunnel transverse channel according to claim 1, wherein the upper end of the first vertical rod (29) is connected with a fixed insert block (291), and the fixed insert block (291) is provided with a fixed bolt (292).
4. The reinforcing and supporting structure for the shield tunneling machine to the existing tunnel transverse channel according to claim 1, wherein the upper end of the second vertical rod (48) is provided with a clamping groove (49).
5. A reinforcing support structure for a shield underpass to an existing tunnel cross-section as claimed in claim 1, wherein said first support member (3) and said second support member (4) are identical in structure.
6. A reinforcing and supporting structure for a shield underpass to an existing tunnel cross-section according to claim 1, wherein said clamping groove (49) and said fixing insert (291) are identical in structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320514684.1U CN219366065U (en) | 2023-03-16 | 2023-03-16 | Reinforcing and supporting structure for shield underpass of existing tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320514684.1U CN219366065U (en) | 2023-03-16 | 2023-03-16 | Reinforcing and supporting structure for shield underpass of existing tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219366065U true CN219366065U (en) | 2023-07-18 |
Family
ID=87141198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320514684.1U Active CN219366065U (en) | 2023-03-16 | 2023-03-16 | Reinforcing and supporting structure for shield underpass of existing tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219366065U (en) |
-
2023
- 2023-03-16 CN CN202320514684.1U patent/CN219366065U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105756685B (en) | A kind of reinforced combined retaining structure of pipe-plate lining | |
| CN104763442B (en) | The big contracting amount enclosed type Arc plate support structure of high intensity | |
| CN105003272A (en) | Reversed construction method for expanding and excavating stations on sectional shield tunnel foundations of subways | |
| CN105064397A (en) | Open excavation construction method for expanding excavation of station on metro interzone shield tunnel foundation | |
| CN105297744B (en) | A kind of large deep foundation pit assembled type steel support system | |
| CN208502796U (en) | Tunnel arch wall preliminary bracing invades limit and changes arch construction gantry type support construction | |
| CN105972313B (en) | One kind is across base pit engineering conduit wiring suspension method and overhung construction | |
| CN204780569U (en) | It jumps attachment strap structure of car to reduce abutment | |
| CN212359785U (en) | Yielding primary support structure for controlling large deformation of high-ground-stress soft rock tunnel | |
| CN104947681A (en) | Super large super deep basement ground pit construction method | |
| CN105089670A (en) | Construction method for enlarging and excavating subway station on basis of parallel interval shield tunnel | |
| CN219366065U (en) | Reinforcing and supporting structure for shield underpass of existing tunnel | |
| CN206111200U (en) | Rectangular shield digs tube coupling in top | |
| CN204754945U (en) | Mine method tunnel preliminary bracing lining cutting grid steel support make | |
| CN105156130B (en) | A kind of constructing tunnel exempts from supporting safe construction method | |
| CN203035204U (en) | Large-section tunnel second lining grouping formwork trolley | |
| CN115110973B (en) | Connecting channel pipe jacking construction backrest system and using method thereof | |
| CN217518676U (en) | Traction type pipe jacking construction backrest system | |
| CN112879033B (en) | Crossline section tunnel structure combined with shield tunnel | |
| CN212250051U (en) | Mine method tunnel supporting construction of operation high-speed railway is worn down | |
| CN208650876U (en) | Arch frame supporting system based on sleeve connection | |
| CN212105883U (en) | Rock pillar replacement system in weak surrounding rock small-clear-distance tunnel | |
| CN209539375U (en) | The temporary support system of Tunnel steelframe | |
| CN206769925U (en) | A kind of hard rock large cross-section tunnel construction supporting structure | |
| CN210152680U (en) | Prestressing force strutting arrangement who uses when tunnel connection passageway excavates |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |