CN217758406U - Shield constructs closely wears reinforced structure of big section rainwater box culvert down - Google Patents
Shield constructs closely wears reinforced structure of big section rainwater box culvert down Download PDFInfo
- Publication number
- CN217758406U CN217758406U CN202221930113.8U CN202221930113U CN217758406U CN 217758406 U CN217758406 U CN 217758406U CN 202221930113 U CN202221930113 U CN 202221930113U CN 217758406 U CN217758406 U CN 217758406U
- Authority
- CN
- China
- Prior art keywords
- box culvert
- shield
- closely
- grouting pipe
- platform body
- 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
Images
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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model discloses a shield constructs reinforced structure who wears big section rainwater box culvert under closely, including shield tunnel and box culvert body, the box culvert body is two relative bottom basis, two relative platform bodies and sets up in the cavity that the backup pad on two platform body tops encloses, be provided with the reinforcement subassembly in the cavity, the reinforcement subassembly includes the lower plate, backfill layer, the upper plate, two linings and set up in the slip casting pipe reinforcement of lower plate bottom, from the top down has set gradually the upper plate between two bottom basis, backfill layer and lower plate, the inboard of platform body and the inboard of backup pad all are provided with two linings, the slope of platform body sets up, be provided with the filling layer between platform body and the two linings. The utility model adopts the above structure a shield constructs closely down reinforcing structure who wears big section rainwater box culvert, has solved the shield and has closely worn the protection problem of big section rainwater box culvert of main road down, has solved the waterproof and shallow earthing come-up problem of shield tunnel simultaneously, has shortened the engineering time limit for a project.
Description
Technical Field
The utility model relates to an urban rail transit construction equipment technical field especially relates to a shield constructs closely and wears reinforced structure of big section rainwater box culvert down.
Background
The urban rail transit engineering constructed by adopting the shield method often encounters the problem of passing through various old bridges (beams) and culverts in the shield tunneling process, and is influenced by the engineering hydrogeology, the bridge and culvert structure, the bridge and culvert foundation and the space relationship of a tunnel, and the reinforcing method is different. In the stratum of hard rock in upper soft soil lower part, the shield constructs to wear to be located the big section rainwater box culvert of a specified duration of city arterial road down, and tunnel and rainwater box culvert clear distance 0.7m, and the grout rubble basis of rainwater box culvert is located broken stroke fossil limestone and soft soil stratum interface, and the geological structure is complicated. The shield tunneling in the broken rock stratum with uneven hardness can cause disturbance to the broken stratum, the vibration of the shield tunneling can generate adverse effects on a rainwater box culvert foundation built by the rubbles, the normal traffic of the urban main road can be adversely affected, and the traffic safety of the main road can be endangered in serious cases. If the top of the box culvert is a congested urban main road, the dismantling and reconstruction of the box culvert needs to be carried out for multiple times of traffic guidance and modification, so that not only is the normal road traffic order seriously affected, but also a great deal of potential adverse social influence is brought, and therefore, a structure capable of reinforcing the rainwater box culvert in the construction process is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a shield constructs closely wears reinforced structure of big section rainwater box culvert down to when solving above-mentioned adoption shield structure method and constructing urban rail, produce the problem of adverse effect to rainwater box culvert basis.
In order to realize the above-mentioned purpose, the utility model provides a shield constructs reinforced structure who wears big section rainwater box culvert under closely, including shield tunnel with set up in the box culvert body of shield tunnel top, the box culvert body be two relative bottom basis, two relative platform body and set up in two the cavity that the backup pad on platform body top encloses, be provided with the reinforcement subassembly in the cavity, the reinforcement subassembly include lower plate, backfill layer, upper plate, two linings and set up in the slip casting pipe reinforcement of lower plate bottom, two from the top down has set gradually between the bottom basis the upper plate backfill layer with the lower plate, the inboard of platform body with the inboard of backup pad all is provided with two linings, the slope of platform body sets up, the platform body with be provided with the filling layer between the two linings.
Preferably, the grouting pipe reinforcing member comprises a vertical grouting pipe and an inclined grouting pipe, the bottom end of the vertical grouting pipe and the bottom end of the inclined grouting pipe penetrate into the shield tunnel, and the top end of the vertical grouting pipe and the top end of the inclined grouting pipe abut against the lower base plate.
Preferably, the lower bottom plate is made of thick reinforced concrete, and the upper bottom plate comprises a gravel concrete cushion layer and a waterproof layer which are sequentially arranged from top to bottom.
Preferably, the bottom foundation and the platform body are both made of cement mortar rubble.
Preferably, the support plate is provided with a road surface layer, a concrete cast-in-situ layer and a reinforced concrete precast slab from top to bottom in sequence.
Therefore, the utility model adopts the above structure a shield constructs closely wears reinforced structure of big section rainwater box culvert down, has solved the shield and has closely worn the protection problem of big section rainwater box culvert of trunk road thick liquid building piece basis down, has solved the waterproof and shallow earthing come-up problem of shield tunnel simultaneously, has shortened engineering construction cycle, has guaranteed orderly and the safety of ground traffic, has avoided rainwater box culvert to rebuild the adverse effect to the environment, has good economic benefits, social and environmental benefit.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic longitudinal section view of an embodiment of a reinforcing structure for a shield to closely pass a large-section rainwater box culvert;
FIG. 2 is a schematic cross-sectional view of an embodiment of the reinforcing structure of the large-section rainwater box culvert closely penetrated by the shield of the present invention;
fig. 3 is a schematic structural view of a grouting pipe reinforcement member of an embodiment of a reinforcing structure for a shield to closely pass a large-section rainwater box culvert;
fig. 4 is the utility model discloses a shield constructs closely wears the structural schematic of the reinforced structure embodiment's of big section rainwater box culvert reinforced component down.
In the figure: 1. a shield tunnel; 2. a box culvert body; 3. a bottom foundation; 4. a platform body; 5. a support plate; 6. a lower base plate; 7. a backfill layer; 8. an upper base plate; 9. two lining layers; 10. a grouting pipe reinforcement; 11. a filling layer; 101. a vertical grouting pipe; 102. inclining the grouting pipe; 81. a crushed stone concrete cushion layer; 82. a waterproof layer; 51. a road surface layer; 52. a concrete cast-in-situ layer; 53. a reinforced concrete precast slab.
Detailed Description
The technical solution of the present invention is further explained by the accompanying drawings and examples.
Unless defined otherwise, technical or scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used only to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
The following describes embodiments of the present invention with reference to the accompanying drawings. As shown in fig. 1-4, a reinforcing structure for a shield to penetrate a large-section rainwater box culvert in a short distance comprises a shield tunnel 1 and a box culvert body 2 arranged above the shield tunnel 1, wherein the box culvert body 2 is composed of two opposite bottom foundations 3, two opposite platform bodies 4 and a cavity enclosed by supporting plates 5 arranged at the top ends of the two platform bodies 4, a reinforcing component is arranged in the cavity and comprises a lower bottom plate 6, a backfill layer 7, an upper bottom plate 8, two lining layers 9 and a grouting pipe reinforcing member 10 arranged at the bottom end of the lower bottom plate 6, the grouting pipe reinforcing member 10 comprises a vertical grouting pipe 101 and an inclined grouting pipe 102, the bottom end of the vertical grouting pipe 101 and the bottom end of the inclined grouting pipe 102 penetrate into the shield tunnel 1, the top end of the vertical grouting pipe 101 and the top end of the inclined grouting pipe 102 are both abutted against the lower bottom plate 6, the bottom of the grouting pipe 10 is used for reinforcing the bottom of the box culvert body 2, and reinforcing limestone rock are reinforced, and the grouting depth is a broken stratum in the tunnel section, and the stable shield culvert body 2 is ensured when the shield is used as the box culvert body 1.
An upper bottom plate 8, a backfill layer 7 and a lower bottom plate 6 are sequentially arranged between the two bottom foundations 3 from top to bottom, two liners 9 are arranged on the inner sides of the platform body 4 and the inner sides of the supporting plates 5, the platform body 4 is obliquely arranged, and a filling layer 11 is arranged between the platform body 4 and the two liners 9. Lower plate 6 is made for thick reinforced concrete, adopts the mode of planting the muscle to link into whole with two bottom basis 3, improves the bearing capacity on slice stone basis, guarantees the safety of box culvert body 2 structure, and upper plate 8 includes from the top down broken stone concrete cushion 81 and the waterproof layer 82 that sets gradually, and waterproof layer 82 makes the bottom of box culvert body 2 have waterproof function to do benefit to the operation period safety in tunnel. The bottom foundation 3 and the platform body 4 are both made of cement mortar rubble. The supporting plate 5 is provided with a road surface layer 51, a concrete cast-in-situ layer 52 and a reinforced concrete precast slab 53 in sequence from top to bottom.
The utility model discloses a concrete implementation process does:
(1) Reinforcement 10 for grouting pipe
Before the shield structure passes through, select non-rainy season (dry season) comprehensive inspection box culvert body 2, if there is water the time can adopt interim refluence measure, inspection box culvert body 2 has crack and disease condition, clearance bottom piece stone, the flattening of mortar bed course to box culvert body 2 bottom, according to shield tunnel 1's position with perpendicular slip casting pipe 101 the bottom wear into below the tunnel bottom 0.5 meters, carry out both sides inclined drilling and set up slope slip casting pipe 102 after perpendicular slip casting pipe 101 accomplishes.
(2) A lower bottom plate 6 and a backfill layer 7 are constructed
The bottom of the bottom foundation 3 is embedded with the steel bars (the height is 0.75 m), a lower bottom plate 6 made of thick reinforced concrete is constructed, the two bottom foundations 3 are connected into a whole, the sedimentation deformation of the bottom foundations 3 can be controlled conveniently, the function of a floating plate is achieved, the floating of a shallow soil-covered tunnel can be controlled conveniently, the waterproof capacity of the tunnel is improved, low-grade concrete is backfilled above the lower bottom plate 6 to form a backfill layer 7, and the height of the backfill layer 7 is the same as that of the bottom foundations 3.
(3) Is applied as a secondary lining layer 9
Two linings 9 of inboard construction 0.3 meters reinforced concrete of backup pad 5 and platform body 4 because the slope of platform body 4 sets up, leaves the oblique angle space between 4 tops of platform body and two linings, and plain concrete of filling forms filling layer 11 in the oblique angle space, and two linings 9 form holistic structure of falling U, improve the overall stability of box culvert body 2.
(4) Construction upper base plate 8
After the shield penetration is completed, foreign matters at the bottom of the rainwater box culvert are cleaned, a waterproof layer 82 is laid on the backfill layer 7, and then concrete is poured on the waterproof layer 82 to form a gravel concrete cushion layer 81.
Therefore, the utility model adopts the above structure a shield constructs closely wears reinforced structure of big section rainwater box culvert down, has solved the shield and has closely worn the protection problem of big section rainwater box culvert of trunk road thick liquid building piece basis down, has solved the waterproof and shallow earthing come-up problem of shield tunnel simultaneously, has shortened engineering construction cycle, has guaranteed orderly and the safety of ground traffic, has avoided rainwater box culvert to rebuild the adverse effect to the environment, has good economic benefits, social and environmental benefit.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: the technical solution of the present invention can still be modified or replaced with equivalents, and these modifications or replacements do not make the modified technical solution depart from the spirit and scope of the technical solution of the present invention.
Claims (5)
1. The utility model provides a shield constructs closely wears reinforced structure of big section rainwater box culvert down which characterized in that: including shield tunnel with set up in the box culvert body of shield tunnel top, the box culvert body be two relative bottom basis, two relative platform bodies and set up in two the cavity that the backup pad on platform body top encloses, be provided with the reinforcement subassembly in the cavity, the reinforcement subassembly include lower plate, backfill layer, upper plate, two linings and set up in the slip casting pipe reinforcement of lower plate bottom, two from the top down has set gradually between the bottom basis the upper plate backfill layer with the lower plate, the inboard of platform body with the inboard of backup pad all is provided with two linings, the slope of platform body sets up, the platform body with be provided with the filling layer between the two linings.
2. The reinforcing structure of the shield tunneling closely and downwards penetrating the large-section rainwater box culvert according to claim 1, characterized in that: the grouting pipe reinforcing part comprises a vertical grouting pipe and an inclined grouting pipe, the bottom end of the vertical grouting pipe and the bottom end of the inclined grouting pipe penetrate into the shield tunnel, and the top end of the vertical grouting pipe and the top end of the inclined grouting pipe are abutted to the lower bottom plate.
3. The reinforcing structure of the shield tunneling closely and downwards penetrating the large-section rainwater box culvert according to claim 1, characterized in that: the lower bottom plate is made of thick reinforced concrete, and the upper bottom plate comprises a gravel concrete cushion layer and a waterproof layer which are sequentially arranged from top to bottom.
4. The reinforcing structure of the shield tunneling closely and downwards penetrating the large-section rainwater box culvert according to claim 1, characterized in that: the bottom foundation and the platform body are both made of cement mortar rubbles.
5. The reinforcing structure of the shield tunneling closely and downwards penetrating the large-section rainwater box culvert according to claim 1, characterized in that: the supporting plate is sequentially provided with a road surface layer, a concrete cast-in-situ layer and a reinforced concrete precast slab from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221930113.8U CN217758406U (en) | 2022-07-22 | 2022-07-22 | Shield constructs closely wears reinforced structure of big section rainwater box culvert down |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221930113.8U CN217758406U (en) | 2022-07-22 | 2022-07-22 | Shield constructs closely wears reinforced structure of big section rainwater box culvert down |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217758406U true CN217758406U (en) | 2022-11-08 |
Family
ID=83876728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221930113.8U Active CN217758406U (en) | 2022-07-22 | 2022-07-22 | Shield constructs closely wears reinforced structure of big section rainwater box culvert down |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217758406U (en) |
-
2022
- 2022-07-22 CN CN202221930113.8U patent/CN217758406U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107905811B (en) | Inverted arch-free lining of foundation hollow longitudinal beam bearing arch structure | |
| CN105696427A (en) | Construction method for reinforcing newly-built railway karst foundation and roadbed structure thereof | |
| CN101838957B (en) | Integral type T-shaped outer cantilever roads and construction method thereof | |
| CN206219897U (en) | Medium-and low-speed maglev two-wire excavation location pile foundation combined type support rail beam transition section structure | |
| CN108824097A (en) | Prefabricated GFRP pipe concrete stake and armoured concrete slab overhead type roadbed pile slab structure | |
| CN209324377U (en) | Ledge method tunneling subway station arch springing ruggedized construction | |
| CN217758406U (en) | Shield constructs closely wears reinforced structure of big section rainwater box culvert down | |
| CN106283966A (en) | Medium-and low-speed maglev single line embankment location detached pier pillar support rail beam transition section structure | |
| CN106283950A (en) | Medium-and low-speed maglev traffic engineering two-wire embankment location pile foundation joist type support rail beam transition section structure | |
| RU2344231C1 (en) | Method of foundation bed construction by horizontal reinforcing with precast concrete components | |
| CN106400615B (en) | Medium-and low-speed maglev single line excavation location independence pier stud type support rail beam transition section structure | |
| CN106283973B (en) | Medium-and low-speed maglev traffic engineering two-wire excavation location independence pier stud type support rail beam transition section structure | |
| CN114657851A (en) | Roadbed disposal method for river pond area crossing | |
| CN113430870A (en) | Roadbed structure for green reinforcement treatment of newly-built railway karst foundation and construction method thereof | |
| CN106283939B (en) | Medium-and low-speed maglev two-wire excavation location pile foundation joist type support rail beam transition section structure | |
| CN106283956B (en) | Medium-and low-speed maglev two-wire excavation location pile foundation combined type support rail beam transition section structure | |
| CN206127741U (en) | Moderate -low speed magnetic levitation single line excavation location detached pier column type support rail roof beam transition section structure | |
| CN206219912U (en) | Medium-and low-speed maglev two-wire embankment location pile foundation joist framing type support rail beam transition section structure | |
| CN206127758U (en) | Moderate -low speed magnetic levitation traffic engineering double -line excavation location detached pier column type support rail roof beam transition section structure | |
| CN110130397A (en) | Tilt hexagon piping lane system and its construction method of the supporting in conjunction with main structure | |
| CN206157478U (en) | Moderate -low speed magnetic levitation double -line excavation location supporting beam of pile foundation formula support rail roof beam transition section structure | |
| CN206127757U (en) | Moderate -low speed magnetic levitation single line location detached pier column type support rail roof beam transition section structure that fills | |
| CN106283953B (en) | Medium-and low-speed maglev two-wire embankment location pile foundation combined type support rail beam transition section structure | |
| CN106283957B (en) | Medium-and low-speed maglev two-wire excavation location pile foundation joist framing type support rail beam transition section structure | |
| CN106283959B (en) | Medium-and low-speed maglev single line excavation location pile foundation joist type support rail beam transition section structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |