Shield comprehensive pipe rack structure

Abstract

The utility model relates to a shield comprehensive pipe rack structure which comprises an outer wall structure formed by splicing shield segments, an arc-shaped steel plate is pre-buried in the inner wall of each shield segment, and the inner arc surface of each arc-shaped steel plate is flush with the inner arc surface of the corresponding shield segment; a pipe gallery bottom plate is arranged at the bottom of an inner cavity of the outer wall structure, first support stand columns are connected to the two sides of each arc-shaped steel plate, transverse supporting arms are connected to the two sides of each arc-shaped steel plate, each shield segment, the corresponding transverse supporting arm and the corresponding first support stand column form a triangular supporting structure, and subdivision partition plates are arranged on the transverse supporting arms in a supporting mode. A second support stand column is arranged on the subdivision partition plate, and a pipeline support is connected to the first support stand column and the second support stand column. The internal structure of the shield pipe gallery can be assembled in a hole, concrete pouring and steel bar binding operation in a closed narrow space are avoided, the construction efficiency of the internal structure of the pipe gallery is remarkably improved, and the overall stability and the bearing capacity of the internal structure are guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of integrated pipe gallery, in particular to a shield integrated pipe gallery structure. Background Art

[0002] At present, the problems caused by directly buried pipelines in the central urban area are becoming increasingly prominent. However, the central urban area has problems of dense buildings and busy traffic, and does not have the conditions for traditional open-cut construction of comprehensive pipeline corridors (structures and ancillary facilities built underground in the city to accommodate two or more types of urban engineering pipelines). Now some cities have begun to draw on the ideas of urban rail transit construction and adopt the shield method to construct comprehensive pipeline corridors.

[0003] Open-cut utility corridors generally use cast-in-place concrete technology, and the outer wall structure and internal compartment structure of the corridor (the interior of the shield segment includes all components such as the compartment compartment structure, pipeline supports, support columns, etc.) can be directly cast into shape. Unlike open-cut utility corridors, shield utility corridors (comprehensive utility corridors constructed using the shield method) are constructed after the outer wall structure is assembled from prefabricated shield segments, and then the internal structure of the corridor is implemented. The internal structure of the shield utility corridor is constructed after the shield tunnel is penetrated and all the shield segments are assembled. How to reliably connect the internal structure of the corridor with the shield segments to ensure the overall stability and bearing capacity of the internal structure during the later operation of the utility corridor is a key technical issue facing the construction of shield utility corridors.

[0004] How to reliably connect the internal structure of the tunnel with the shield segments is a key technical link related to the normal and safe operation of the shield tunnel in the later stage. Usually, the internal structure of the shield tunnel is cast into a semicircular closed frame structure 19 by cast-in-place concrete technology. For details, see Figure 8 This can simultaneously meet the stability and bearing capacity requirements of the internal structure of the shield tunnel. However, the steel bar binding and concrete pouring operations must be completed in the closed and narrow space of the shield tunnel. At the same time, the shield tunnel is buried deep, which further increases the difficulty of transporting steel bars and concrete. The internal structure construction efficiency is low, and there are many difficulties in the transportation and binding of steel bars, transportation and installation of formwork, and transportation and pouring of concrete. These construction processes seriously reduce construction efficiency and increase construction period.

[0005] At present, there are two solutions to solve the above problems: constructing a beam-slab-column force-bearing system inside the shield tunnel and a square steel corbel support structure. However, there are still certain problems in the specific implementation of the two solutions.

[0006] Prior art 1: The internal structure of the shield tunnel uses a structural force system of beams 20, plates 21, and columns 22 to replace the semicircular closed frame structure, reducing the amount of concrete pouring and steel bar binding. Fig. 9 .

[0007] In this technology, the amount of concrete and steel bars is reduced, but the reduction is limited. The technical difficulties in the construction of concrete and steel bars in a confined and narrow space are not avoided, and the construction efficiency is low.

[0008] Prior art 2: Pre-embed steel plates 23 on the shield segments corresponding to the two waist positions of the shield tunnel, weld the brackets 24 on the pre-embedded steel plates 23, lay the compartment partitions 9 on the brackets 24, and the brackets 24 serve as the support structure of the upper compartment, see Fig.10 This technology has the following problems:

[0009] 1) The corbel 24 is a supporting structure for the upper compartment of the shield tunnel gallery, and its bearing capacity is limited. When large pipelines are laid in the upper compartment, there are certain safety hazards in the form of corbel support.

[0010] 2) To ensure that the embedded steel plate is exactly at the bracket 24 support after the shield segment is assembled, the shield segment assembly accuracy is required to be high. Otherwise, it is necessary to post-place steel plates at the corresponding positions of the shield segments, and the connection strength between the post-placed steel plates and the shield segments is low.

[0011] Therefore, relying on many years of experience and practice in related industries, the inventor has proposed a shield tunneling integrated pipe gallery structure that can achieve convenient construction, which can not only ensure the stability and safety of the internal structure of the shield tunneling integrated pipe gallery, but also facilitate on-site construction. Utility Model Content

[0012] The purpose of the utility model is to provide a shield integrated pipe gallery structure, the internal structure of the shield pipe gallery can be assembled in the tunnel, avoiding concrete pouring and steel bar binding operations in a closed and narrow space, significantly improving the construction efficiency of the internal structure of the pipe gallery, and ensuring the overall stability and bearing capacity of the internal structure.

[0013] The purpose of the utility model is achieved in this way. A shield integrated pipe gallery structure comprises an annular outer wall structure formed by splicing a plurality of shield segments, the inner walls of each of the shield segments are respectively embedded with arc-shaped steel plates, the inner arc surfaces of the arc-shaped steel plates are flush with the inner arc surfaces of the shield segments; a pipe gallery bottom plate is arranged at the bottom of the inner cavity of the outer wall structure, and first bracket columns are connected to the two sides of each of the arc-shaped steel plates located on the pipe gallery bottom plate, and horizontal transverse supporting arms are radially symmetrically connected to the two sides of each of the arc-shaped steel plates, and each of the transverse supporting arms is connected to the top of the corresponding first supporting column, and each of the shield segments respectively forms a triangular supporting structure with the corresponding transverse supporting arms and the first supporting columns, and a compartment partition for sealing the inner cavity of the outer wall structure from top to bottom is supported on the transverse supporting arms, and a second bracket column is arranged on the compartment partition above the first bracket column, and pipeline supports are connected to the first bracket column and the second bracket column.

[0014] In a preferred embodiment of the present invention, the arc-shaped steel plate is pre-embedded in the middle position of the ring width direction of each shield segment, and connecting anchor bars are arranged at intervals along the circumferential direction on the radial outer side of each arc-shaped steel plate, and each connecting anchor bar is embedded in the shield segment.

[0015] In a preferred embodiment of the utility model, a third support column is detachably connected to the bottom plate of the corridor, and the third support column is located in the middle position between the two first support columns; the top end of the third support column is connected to a continuous steel plate arranged along the longitudinal direction of the shield integrated corridor structure, and the top surface of the continuous steel plate is flush with the top surface of the transverse support arm to support the compartment partition.

[0016] In a preferred embodiment of the present utility model, the bottom of the third support column is connected to a first connecting steel plate, a first reserved bolt hole is arranged on the first connecting steel plate, and a first expansion bolt is passed through the first reserved bolt hole to fix the third support column to the bottom plate of the pipe gallery.

[0017] In a preferred embodiment of the present invention, a fourth support column is arranged on the compartment bulkhead above the third support column, and the pipeline supports are detachably connected to both sides of the fourth support column.

[0018] In a preferred embodiment of the present utility model, the bottoms of the second support column and the fourth support column are connected with a second connecting steel plate, the second connecting steel plate is provided with a second reserved bolt hole, and the second expansion bolt is passed through the second reserved bolt hole to fix the fourth support column to the compartment partition; the top ends of the second support column and the fourth support column are fixedly connected to the arc-shaped steel plate.

[0019] In a preferred embodiment of the present invention, connecting bolts are arranged on the first support column, the second support column, the third support column and the fourth support column, a connecting plate is fixedly arranged at one end of the pipeline support, a bolt through hole is arranged on the connecting plate, and the connecting bolt passes through the bolt through hole and is connected with a fixing nut to connect the pipeline support to the first support column, the second support column, the third support column and the fourth support column.

[0020] In a preferred embodiment of the present utility model, a compartment partition wall for sealing the space above the compartment partition is arranged between two adjacent fourth bracket columns.

[0021] In a preferred embodiment of the present invention, the first support column, the second support column, the third support column, the fourth support column and the transverse support arm are made of square steel.

[0022] In a preferred embodiment of the present invention, a radial gap is reserved between the side wall of the compartment bulkhead and the shield segment, and a filling unit is arranged in the radial gap.

[0023] As described above, the shield integrated pipe gallery structure of the utility model has the following beneficial effects:

[0024] In the utility model, arc-shaped steel plates are pre-embedded in shield segments. After the shield segments are assembled, a closed ring foundation can be provided for the internal structure of the integrated pipe gallery, thereby improving the flexibility of the internal structure installation. The arc-shaped steel plates serve as the connection foundation between the internal structure of the shield integrated pipe gallery and the shield segments. A triangular support force system is constructed by using transverse support arms, support columns and shield segments. Compared with the scheme of using corbel supports, the stability and bearing capacity requirements of the supporting structure are significantly increased. The internal structure of the shield pipe gallery can be assembled in the hole, thereby avoiding concrete pouring and steel bar binding operations in a closed and narrow space, thereby significantly improving the construction efficiency of the internal structure of the pipe gallery, and ensuring the overall stability and bearing capacity of the internal structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The following drawings are only intended to illustrate and explain the present invention, and do not limit the scope of the present invention.

[0026] Figure 1 : It is a schematic cross-sectional view of the shield integrated pipeline corridor structure of the present invention.

[0027] Figure 2 :for Figure 1 Middle AA section view.

[0028] Figure 3 :for Figure 1 Middle BB section view.

[0029] Figure 4 : It is a schematic cross-sectional view of the shield segment of the utility model.

[0030] Figure 5 :for Figure 4 Middle CC section view.

[0031] Figure 6 : It is a schematic diagram of the process of installing the connecting plate of the fourth bracket column of the utility model.

[0032] Figure 7 : It is a schematic diagram of the connection between the third bracket column and the bottom plate of the pipe gallery of the utility model.

[0033] Figure 8 : It is a schematic diagram of a semicircular closed frame structure in which the internal structure of a shield integrated pipeline corridor in the prior art is a semicircular closed frame structure.

[0034] Fig. 9 : It is a schematic diagram of prior art one.

[0035] Fig.10 : It is a schematic diagram of the prior art two.

[0036] In the figure:

[0037] 1. Shield segment; 2. Arc steel plate; 3. Connecting anchor bar; 4. Pipe gallery bottom plate; 5. First bracket column; 6. Third bracket column; 7. Horizontal support arm; 8. Continuous steel plate; 9. Cabin partition; 10. Filling unit; 11. Second bracket column; 12. Fourth bracket column; 13. Connecting plate; 14. Pipeline bracket; 15. Connecting bolt; 16. First expansion bolt; 17. First connecting steel plate; 18. Cabin partition wall;

[0038] 19. Semicircular closed frame structure; 20. Beam; 21. Plate; 22. Column; 23. Embedded steel plate; 24. Corbel. DETAILED DESCRIPTION

[0039] In order to have a clearer understanding of the technical features, purposes and effects of the utility model, the specific implementation methods of the utility model are now described with reference to the accompanying drawings.

[0040] The specific implementation of the utility model described herein is only used to explain the purpose of the utility model, and cannot be understood as a limitation of the utility model in any way. Under the guidance of the utility model, technicians can conceive of any possible deformation based on the utility model, which should be regarded as belonging to the scope of the utility model. It should be noted that when an element is referred to as "arranged on" another element, it can be directly on the other element or there can also be a central element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be a central element at the same time. The terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a mechanical connection or an electrical connection, or it can be the internal communication of two elements, it can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to the specific circumstances. The terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used herein are only for illustrative purposes and do not represent the only implementation method.

[0041] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those generally understood by those skilled in the art to which this application belongs. The terms used herein in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0042] like Figures 1 to 7 As shown, the utility model provides a shield integrated pipe gallery structure, including an annular outer wall structure composed of multiple shield segments 1. Generally, the outer wall structure of the shield pipe gallery is composed of 4-8 shield segments 1 assembled into a ring, and the common sizes of the ring width of the shield segments 1 are 0.8m, 1.0m, 1.2m and 1.5m.

[0043] The inner wall of each shield segment 1 is respectively pre-buried with an arc-shaped steel plate 2, the inner arc surface of the arc-shaped steel plate is flush with the inner arc surface of the shield segment 1, and the width of the arc-shaped steel plate 2 is smaller than the width of the shield segment 1; the arc-shaped steel plate 2 serves as the basis of the internal structure of the shield tunnel.

[0044] A pipe gallery bottom plate 4 is arranged at the bottom of the inner cavity of the outer wall structure. The pipe gallery bottom plate 4 is made of cast-in-place concrete and serves as the foundation of the pipe gallery maintenance passage and large-scale pipe piers such as heat and reclaimed water.

[0045] like Figure 1 As shown, first support columns 5 are connected to both sides of the pipe gallery bottom plate 4 on each curved steel plate 2, and horizontal transverse support arms 7 are connected to both sides of each curved steel plate 2 in radial symmetry, and each transverse support arm 7 is respectively connected to the top of the corresponding first support column 5, and each shield segment 1 forms a triangular support structure with the corresponding transverse support arm 7 and the first support column 5, and the transverse support arm 7 supports the compartment partition 9 used to isolate the inner cavity of the outer wall structure from top to bottom, and the second support column 11 is arranged on the compartment partition 9 above the first support column 5, and the first support column 5 and the second support column 11 are detachably connected with the pipeline support 14. The pipe gallery bottom plate 4, the first support column 5, the transverse support arm 7, the compartment partition 9, the second support column 11, the pipeline support 14, etc. form the internal structure of the shield pipe gallery. The first support column 5, the transverse support arm 7, the compartment partition 9, the second support column 11, the pipeline support 14 and the like can be installed in the inner cavity of the outer wall structure by welding or the like.

[0046] In the utility model, arc-shaped steel plates are pre-embedded in shield segments. After the shield segments are assembled, a closed ring foundation can be provided for the internal structure of the integrated pipe gallery, thereby improving the flexibility of the internal structure installation. The arc-shaped steel plates serve as the connection foundation between the internal structure of the shield integrated pipe gallery and the shield segments. A triangular support force system is constructed by using transverse support arms, support columns and shield segments. Compared with the scheme of using corbel supports, the stability and bearing capacity requirements of the supporting structure are significantly increased. The internal structure of the shield pipe gallery can be assembled in the hole, thereby avoiding concrete pouring and steel bar binding operations in a closed and narrow space, thereby significantly improving the construction efficiency of the internal structure of the pipe gallery, and ensuring the overall stability and bearing capacity of the internal structure.

[0047] Further, if Figure 4 , Figure 5As shown, a curved steel plate 2 is pre-embedded in the middle position of the ring width direction of each shield segment 1, and connecting anchor bars 3 are arranged at intervals along the circumferential direction (arranged in a ring at a fixed interval) on the radial outer side (outer curved surface) of each curved steel plate 2, and each connecting anchor bar 3 is buried in the shield segment 1 to increase the connection strength between the curved steel plate 2 and the shield segment 1 structure and ensure the integrity of the two.

[0048] The arc-shaped steel plate 2 reserves holes at the hoisting holes of the shield segment 1, which does not affect the later use of the hoisting holes.

[0049] After the shield segment 1 is assembled, the inner arc steel plate 2 of the shield segment 1 forms an internal closed ring, the longitudinal spacing of the arc steel plate 2 is the segment ring width, and the arc steel plate 2 serves as the basis of the internal structure of the shield tunnel.

[0050] Further, if Figure 1 As shown, the third support column 6 is detachably connected to the bottom plate 4 of the tunnel, and the third support column 6 is located in the middle position between the two first support columns 5; the top of the third support column 6 is connected to the continuous steel plate 8 arranged along the longitudinal direction of the shield tunnel structure, and the top surface of the continuous steel plate 8 is flush with the top surface of the transverse support arm 7 to support the compartment partition 9. The transverse support arms 7 and the continuous steel plate 8 on both sides should be kept horizontal to ensure that the compartment partition 9 is arranged horizontally. The continuous steel plate 8 is arranged longitudinally on the top of the third support column 6, forming a plate, beam, and column force system with the compartment partition 9, thereby increasing the overall stability and bearing capacity of the internal structure of the shield tunnel.

[0051] Further, if Figure 7 As shown, the bottom of the third support column 6 is connected (welded) with a first connecting steel plate 17, and the first connecting steel plate 17 is provided with first reserved bolt holes (set at four corners), and the first expansion bolts 16 are passed through the first reserved bolt holes to fix the third support column 6 on the bottom plate of the pipe gallery.

[0052] The space below the compartment partition 9 constitutes the lower cabin, and three support columns are arranged in the lower cabin, namely the first support columns 5 on both sides and the third support column 6 in the middle. The first support columns 5 on both sides are directly welded to the arc-shaped steel plate 2. One end of the transverse brackets 7 on both sides is welded to the arc-shaped steel plate 2, and the other end is welded to the top of the first support columns 5 on both sides.

[0053] Further, if Figure 1 As shown, a fourth support column 12 is arranged above the third support column 6 on the compartment partition 9, and pipeline supports 14 are detachably connected to both sides of the fourth support column 12.

[0054] Further, the bottoms of the second support column 11 and the fourth support column 12 are connected with a second connecting steel plate, a second reserved bolt hole is arranged on the second connecting steel plate, and a second expansion bolt is passed through the second reserved bolt hole to fix the fourth support column to the compartment bulkhead 9. The second connecting steel plate, the second reserved bolt hole and the second expansion bolt may have the same structure or specification as the first connecting steel plate, the first reserved bolt hole and the first expansion bolt.

[0055] The space above the compartment partition 9 constitutes the upper cabin, and three support columns are arranged in the upper cabin, namely the second support columns 11 on both sides and the fourth support column 12 in the middle. The second connecting steel plates are welded to the bottom of the second support columns 11 and the fourth support columns 12, respectively, and are fixed to the prefabricated compartment partition 9 by second expansion bolts. The top ends of the second support columns 11 and the fourth support columns 12 are welded to the arc-shaped steel plate 2.

[0056] Further, if Figure 1 , Figure 6 As shown, connecting bolts 15 are provided on the first support column 5, the second support column 11, the third support column 6 and the fourth support column 12, a connecting plate 13 is fixedly provided at one end of the pipeline support 14, and bolt holes are provided on the connecting plate 13. The connecting bolts 15 pass through the bolt holes and are connected with fixing nuts to connect the pipeline support 14 to the first support column 5, the second support column 11, the third support column 6 and the fourth support column 12.

[0057] According to the requirements of use, connecting bolts 15 are arranged on both sides or one side of the first bracket column 5, the second bracket column 11, the third bracket column 6 and the fourth bracket column 12, and the ends of the connecting bolts 15 are welded to the surfaces of the first bracket column 5, the second bracket column 11, the third bracket column 6 and the fourth bracket column 12.

[0058] A connecting plate 13 is welded to the end of the pipeline support 14, and bolt holes are arranged in the upper and lower directions of the connecting plate 13. The pipeline support 14 is connected to the first support column 5, the second support column 11, the third support column 6 and the fourth support column 12 through connecting bolts 15. The connecting bolts 15 are arranged in the upper and lower directions to improve the bending bearing capacity of the pipeline support 14.

[0059] Further, if Figure 2 As shown, the upper cabin can be divided into compartments according to needs. If it is necessary to divide the compartments, a compartment partition wall 18 for sealing the upper space of the compartment partition can be set between two adjacent fourth bracket columns 12. The compartment partition wall 18 can be composed of hollow bricks.

[0060] Furthermore, the first support column 5, the second support column 11, the third support column 6, the fourth support column 12 and the transverse support arm 7 are made of square steel. The compartment partition 9 adopts a prefabricated structure, which can be made of cement-based materials or other lightweight high-strength new materials. The internal structure of the shield tunnel is all in the form of steel and prefabricated plate structures, which are assembled in the tunnel through welding and bolting, improving construction efficiency and shortening construction period.

[0061] Further, if Figure 1 , Figure 3 As shown, a radial gap is reserved between the side wall (edge) of the compartment bulkhead 9 and the shield segment 1 to reserve installation space for the compartment bulkhead 9; a filling unit 10 is arranged in the radial gap. The filling unit 10 is fine stone concrete, and the longitudinal length of the compartment bulkhead is 1 times the ring width of the shield segment 1.

[0062] Furthermore, the steel materials of the internal structure of the shield tunnel (first support column 5, second support column 11, third support column 6, fourth support column 12, transverse support arm 7, connecting plate 13, pipeline support 14) all need to be treated with anti-corrosion and fire-proofing, and can be painted with anti-corrosion and fire-proofing paint or other measures.

[0063] The specific implementation process of the utility model is as follows:

[0064] (1) The steel plate is processed into an arc-shaped steel plate 2 according to the inner arc size of the shield segment 1, and the connecting anchor bars 3 are arranged in a ring shape on the outer arc surface of the arc-shaped steel plate 2. The connecting anchor bars 3 are welded to the arc-shaped steel plate 2.

[0065] (2) After the arc-shaped steel plate 2 is treated with anti-corrosion, it is fixed to the inner template of the shield segment 1 at the middle position of the ring width, and concrete is poured to achieve pre-embedding of the arc-shaped steel plate 2 on the shield segment 1.

[0066] (3) Complete the tunnel excavation of the shield tunnel gallery and the assembly of shield segment 1.

[0067] (4) Tie up the steel bars of the tunnel floor and pour concrete for the tunnel floor.

[0068] (5) The internal structural steel materials of the shield tunnel (the first support column 5, the second support column 11, the third support column 6, the fourth support column 12, the transverse support arm 7, the connecting plate 13, and the pipeline support 14) are all subjected to anti-corrosion treatment.

[0069] (6) As required, the connecting bolts 15 are welded and fixed to one side or both sides of the first support column 5, the second support column 11, the third support column 6 and the fourth support column 12 at a fixed interval.

[0070] (7) Install the first support columns 5 on both sides of the lower cabin. The feet of the first support columns 5 are fixedly welded to the arc-shaped steel plate 2 to ensure that the support columns are installed vertically.

[0071] (8) Install the transverse support arms 7 on both sides of the lower cabin. One end of the transverse support arm 7 is welded to the arc-shaped steel plate 2, and the other end is welded to the top of the first bracket column 5. The transverse support arms 7 on both sides should be kept horizontal and the top surfaces should be at the same height.

[0072] (9) Install the third support column 6. The foot of the third support column 6 is fixed to the pipe gallery bottom plate 4 by using the first expansion bolt 16. The top is arranged with a continuous steel plate 8 along the longitudinal direction of the integrated pipe gallery. The continuous steel plate 8 is welded to the third support column 6.

[0073] (10) The lateral support arms 7 and the upper surface of the continuous steel plate 8 on both sides should be kept at the same horizontal plane. If necessary, additional steel pads can be used for leveling.

[0074] (11) Prefabricated compartment bulkheads 9 are laid piece by piece along one end of the shield tunnel. The compartment bulkheads 9 should be arranged in the center, and the gaps between the two sides of the compartment bulkheads 9 and the shield segments 1 are filled with fine stone concrete.

[0075] (12) Install the second support columns 11 on both sides of the upper cabin. The feet of the second support columns 11 are fixed to the compartment partition 9 with second expansion bolts, and the tops of the second support columns 11 are welded and fixed to the arc-shaped steel plate 2. The first support columns 5 and the second support columns 11 should be ensured to be on the same vertical axis.

[0076] (13) Install the fourth support column 12 in the middle of the upper cabin. The foot of the fourth support column 12 is fixed to the compartment partition 9 with the second expansion bolt, and the top of the fourth support column 12 is welded and fixed to the arc steel plate 2. The third support column 6 and the fourth support column 12 should be ensured to be on the same vertical axis.

[0077] (14) Pipeline supports 14 are installed on the first support column 5, the second support column 11, the third support column 6 and the fourth support column 12. The vertical spacing of the pipeline supports 14 is set according to the type and diameter of the pipeline.

[0078] (15) The internal structural steel of the shield tunnel is treated with anti-corrosion paint or other technical measures.

[0079] As described above, the shield integrated pipe gallery structure of the utility model has the following beneficial effects:

[0080] In the utility model, arc-shaped steel plates are pre-embedded in shield segments. After the shield segments are assembled, a closed ring foundation can be provided for the internal structure of the integrated pipe gallery, thereby improving the flexibility of the internal structure installation. The arc-shaped steel plates serve as the connection foundation between the internal structure of the shield integrated pipe gallery and the shield segments. A triangular support force system is constructed by using transverse support arms, support columns and shield segments. Compared with the scheme of using corbel supports, the stability and bearing capacity requirements of the supporting structure are significantly increased. The internal structure of the shield pipe gallery can be assembled in the hole, thereby avoiding concrete pouring and steel bar binding operations in a closed and narrow space, thereby significantly improving the construction efficiency of the internal structure of the pipe gallery, and ensuring the overall stability and bearing capacity of the internal structure.

[0081] The above description is only an illustrative embodiment of the present invention and is not intended to limit the scope of the present invention. Any equivalent changes and modifications made by any person skilled in the art without departing from the concept and principle of the present invention shall fall within the scope of protection of the present invention.

Claims

1. A shield tunnel integrated pipe gallery structure, characterized in that: It comprises an annular outer wall structure formed by splicing a plurality of shield segments, the inner wall of each of the shield segments is respectively embedded with an arc steel plate, the inner arc surface of the arc steel plate is flush with the inner arc surface of the shield segment; a pipe gallery bottom plate is arranged at the bottom of the inner cavity of the outer wall structure, each of the arc steel plates is connected with a first support column on both sides of the pipe gallery bottom plate, and horizontal transverse supporting arms are radially symmetrically connected on both sides of each of the arc steel plates, each of the transverse supporting arms is connected to the top end of the corresponding first support column, each of the shield segments respectively forms a triangular supporting structure with the corresponding transverse supporting arm and the first support column, a compartment partition for sealing the inner cavity of the outer wall structure up and down is supported on the transverse supporting arm, a second support column is arranged on the compartment partition above the first support column, and pipeline supports are connected to the first support column and the second support column.

2. The shield tunnel integrated pipe gallery structure according to claim 1, characterized in that: The arc-shaped steel plate is pre-buried in the middle position of the ring width direction of each shield segment, and connecting anchor bars are arranged at intervals along the circumferential direction on the radial outer side of each arc-shaped steel plate, and each connecting anchor bar is buried in the shield segment.

3. The shield tunnel integrated pipe gallery structure according to claim 1, characterized in that: A third support column is detachably connected to the bottom plate of the corridor, and the third support column is located in the middle position between the two first support columns; the top end of the third support column is connected to a continuous steel plate arranged along the longitudinal direction of the shield integrated corridor structure, and the top surface of the continuous steel plate is flush with the top surface of the transverse support arm to support the compartment partition.

4. The shield tunnel integrated pipe gallery structure according to claim 3, characterized in that: A first connecting steel plate is connected to the bottom of the third support column, a first reserved bolt hole is arranged on the first connecting steel plate, and a first expansion bolt is passed through the first reserved bolt hole to fix the third support column to the bottom plate of the pipe gallery.

5. The shield tunnel integrated pipe gallery structure according to claim 3, characterized in that: A fourth support column is arranged on the compartment partition above the third support column, and the pipeline supports are detachably connected to both sides of the fourth support column.

6. The shield tunnel integrated pipe gallery structure according to claim 5, characterized in that: The bottoms of the second support column and the fourth support column are connected with a second connecting steel plate, the second connecting steel plate is provided with a second reserved bolt hole, and the second expansion bolt is passed through the second reserved bolt hole to fix the fourth support column to the compartment bulkhead; the top ends of the second support column and the fourth support column are fixedly connected to the arc-shaped steel plate.

7. The shield tunnel integrated pipe gallery structure according to claim 5, characterized in that: Connecting bolts are arranged on the first support column, the second support column, the third support column and the fourth support column. A connecting plate is fixedly arranged at one end of the pipeline support, and bolt holes are arranged on the connecting plate. The connecting bolts pass through the bolt holes and are connected with fixing nuts to connect the pipeline support to the first support column, the second support column, the third support column and the fourth support column.

8. The shield tunnel integrated pipe gallery structure according to claim 5, characterized in that: A compartment partition wall for sealing the space above the compartment partition is arranged between two adjacent fourth bracket columns.

9. The shield tunnel integrated pipe gallery structure according to claim 5, characterized in that: The first support column, the second support column, the third support column, the fourth support column and the transverse support arm are made of square steel.

10. The shield tunnel integrated pipe gallery structure according to claim 1, characterized in that: A radial gap is reserved between the side wall of the compartment bulkhead and the shield segment, and a filling unit is arranged in the radial gap.

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