CN219157759U - Underground comprehensive pipe rack supporting structure with underground internal supporting system - Google Patents
Underground comprehensive pipe rack supporting structure with underground internal supporting system Download PDFInfo
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- CN219157759U CN219157759U CN202223452835.XU CN202223452835U CN219157759U CN 219157759 U CN219157759 U CN 219157759U CN 202223452835 U CN202223452835 U CN 202223452835U CN 219157759 U CN219157759 U CN 219157759U
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- 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
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Abstract
An underground utility tunnel support structure with an underground internal support system, comprising a spanning support area (1), characterized in that: the utility model provides a span support area (1) one side periphery is first pile driving region (2), span support area (1) opposite side periphery is second pile driving region (3), be provided with one or multirow concrete pile (4) respectively in first pile driving region (2) and second pile driving region (3), concrete pile (4) that are located same one side are pour and are set up to an overall structure, the top between concrete pile (4) that are located the left side and concrete pile (4) that are located the right side is set up and is spanned one or more arc protection arches (6) that distribute side by side of supporting region (1), this application construction convenience has reduced the support degree of difficulty, the construction security is good, not only can guarantee the safety of crossing the subway circuit, but also can guarantee the stability and reliability of underground utility tunnel, deep basal pit is difficult to take place the deformation.
Description
Technical Field
The application relates to an underground utility tunnel supporting structure, especially relates to an underground utility tunnel supporting structure with underground internal support system, belongs to underground municipal works technical field.
Background
With the development of cities in recent years, more and more cities are built underground to construct underground utility tunnel, and because subways and underground utility tunnel are crisscrossed, the need of crossing built subway lines or building subway lines is unavoidable. Urban underground rail transit is also rapidly developed, subway lines in construction and operation are continuously increased and are more and more dense, underground traffic networks are gradually formed, and it is very important to ensure stability of soil bodies of the subway lines and safety of the subway lines. More mainly, some subway lines pass through soft soil layers with large water content such as rivers, lakes and the like, structures such as subway tunnel segments and the like positioned below are very sensitive to the stress change of soil bodies, and exciting forces generated in the construction process of the underground comprehensive pipe gallery can also cause adverse effects on the subway lines, so that the underground comprehensive pipe gallery has become one of important technical barriers for restricting newly-built underground comprehensive pipe galleries.
If the underground comprehensive pipe gallery crossing the subway line is constructed by adopting a traditional common construction method, the stability of the soil body of the subway line and the safety of the subway line cannot be ensured, and particularly, the construction difficulty of the underground comprehensive pipe gallery crossing the subway line is increased exponentially, and the traditional underground comprehensive pipe gallery structure has larger potential safety hazards. The utility tunnel is when crossing over subway line or weak soil layer, and the support degree of difficulty is great, and the deep basal pit warp easily, and the construction difficult problem of utility tunnel deep basal pit support has not been solved yet, lacks a construction convenience, and the construction security is good, can guarantee safe and stable's deep basal pit supporting structure again simultaneously and solve above-mentioned technical problem.
Disclosure of Invention
The utility model aims at solving the problems that the construction mode of the conventional common underground utility tunnel is large in support difficulty when crossing a subway line or a soft soil layer, a deep foundation pit is easy to deform, and the construction safety is poor.
In order to achieve the above purpose, the technical solution of the present application is: the utility model provides an underground utility tunnel bearing structure with support system in underground, includes strides across the support region, stride across the one side periphery of support region and be first pile driving region, stride across the opposite side periphery of support region and be second pile driving region, be provided with one or more rows of concrete pile in first pile driving region and the second pile driving region respectively, the concrete pile that is located same one side is pour and is set up into an overall structure, the top between the concrete pile that is located left side and the concrete pile that is located right side has erect and has spanned one or more arc protection arches that span across the support region side by side, the span of arc protection arch is greater than the maximum width of striding across the support region.
Further, a plurality of arc steel frames which are fixedly spliced are erected on soil bodies which span the periphery of the upper portion of the supporting area, a bottom template is installed on each arc steel frame, and the span of each arc steel frame is larger than the maximum width of the span supporting area.
Further, the outside of concrete pile is provided with the tip anchor seat, and the tip of arc protection arch is fixed on the tip anchor seat, and the inside of tip anchor seat is provided with the stretch-draw hole, and Zhang Lakong's outer end is provided with the stretch-draw anchor seat.
Furthermore, a plurality of prestressed steel bars or prestressed steel cables are arranged in the arc-shaped protection arch, and the ends of the prestressed steel bars or the prestressed steel cables are fixedly arranged on the tensioning anchor seat.
Further, the adjacent arc-shaped protection arches are fixedly connected through the arc-shaped connecting members, a plurality of equidistant arc-shaped window holes are formed by the arc-shaped protection arches and the arc-shaped connecting members in a crisscross mode, and cast-in-place concrete or a concrete cover plate is filled in the arc-shaped window holes in a pouring mode.
Further, a backfill area is arranged on the arc surface of the upper surface of the arc-shaped protection arch, and the upper surface of the backfill area is arranged to be horizontal.
Further, the bottom template is an aluminum template with an arc surface, and the arc surface of the bottom template corresponds to the bottom arc of the arc-shaped protection arch.
The beneficial effects of this application are:
1. according to the method, the piling areas are respectively arranged on the other sides of the crossing supporting areas, the concrete piles are arranged in the piling areas, and the arc-shaped protection arches and the concrete piles are used as underground internal supporting systems, so that effective protection of the crossing supporting areas is achieved.
2. The construction of this application is convenient, has reduced the support degree of difficulty, and the construction security is good, not only can guarantee the safety of strideing across the subway circuit, but also can guarantee the stability and reliability of underground utility tunnel, and the deep basal pit is difficult to take place to warp, and overall stability is good, facilitate promotion and application.
Drawings
Fig. 1 is a schematic end view of an arc-shaped protection arch of the present application.
Fig. 2 is a top view of the arc-shaped protection arch of the present application.
Fig. 3 is a schematic view of the arc-shaped steel frame installed by the arc-shaped protection arch.
Fig. 4 is a schematic view of the arc protection arch of the present application after backfilling above.
In the figure: the pile driving device comprises a crossing support area 1, a first pile driving area 2, a second pile driving area 3, concrete piles 4, end anchor seats 5, arc-shaped protection arches 6, prestressed steel bars 7, arc-shaped connecting members 8, arc-shaped window holes 9, arc-shaped steel frames 10, a bottom template 11 and a backfilling area 12.
Detailed Description
The present application is described in further detail below with reference to the attached drawing figures and detailed description.
Referring to fig. 1 to 4, an underground utility tunnel support structure with an underground internal support system of the present application includes a spanning support area 1, and is characterized in that: the periphery of one side of the crossing support area 1 is provided with a first pile driving area 2, the periphery of the other side of the crossing support area 1 is provided with a second pile driving area 3, one row or a plurality of rows of concrete piles 4 are respectively arranged in the first pile driving area 2 and the second pile driving area 3, the concrete piles 4 positioned on the same side are poured and arranged into an integral structure, one or a plurality of arc-shaped protection arches 6 which are distributed side by side and span the supporting area 1 upwards are arranged above the concrete piles 4 positioned on the left side and the concrete piles 4 positioned on the right side, and the span of the arc-shaped protection arches 6 is larger than the maximum width of the crossing support area 1.
The soil body crossing the periphery above the supporting area 1 is provided with a plurality of arc steel frames 10 which are fixedly spliced, the arc steel frames 10 are provided with bottom templates 11, and the span of the arc steel frames 10 is larger than the maximum width of the crossing supporting area 1.
The outside of the concrete pile 4 is provided with an end anchoring seat 5, the end of the arc-shaped protection arch 6 is fixed on the end anchoring seat 5, the inside of the end anchoring seat 5 is provided with a tensioning hole, and the outer end of the Zhang Lakong is provided with a tensioning anchoring seat.
The inside of the arc-shaped protection arch 6 is provided with a plurality of prestressed steel bars 7 or prestressed steel cables, and the ends of the prestressed steel bars 7 or the prestressed steel cables are fixedly arranged on the tensioning anchor seat.
The adjacent arc-shaped protection arches 6 are fixedly connected through arc-shaped connecting members 8, a plurality of equidistant arc-shaped window holes 9 are formed by criss-cross of the arc-shaped protection arches 6 and the arc-shaped connecting members 8, and cast-in-place concrete or a concrete cover plate is filled in the arc-shaped window holes 9.
The upper surface arc surface of the arc-shaped protection arch 6 is provided with a backfill area 22, and the upper surface of the backfill area 22 is arranged horizontally.
The bottom template 11 is an aluminum template with an arc surface, and the arc surface of the bottom template 11 corresponds to the bottom arc of the arc-shaped protection arch 6.
Referring to fig. 1, the utility tunnel is constructed on the basis of crossing a subway line or a soft soil layer, the safety of crossing a supporting area 1 can be guaranteed to the greatest extent, an underground internal supporting system is erected to effectively protect the crossing supporting area 1, and adverse effects on the subway line caused by construction of the utility tunnel right above the crossing supporting area 1 are avoided. The application adopts the arc protection arch as a protection main body structure, is equivalent to erecting the protection arch around the peripheral soil body crossing the supporting area 1, and is positioned on the backfill weight, the supporting structure and the weight of the structure crossing the supporting area 1 and crossing the area above the supporting area 1, and the concrete structure is as follows:
the underground deep foundation pit crossing construction area is arranged right above the crossing support area 1, the first pile driving area 2 is arranged at the periphery of one side of the crossing support area 1, the second pile driving area 3 is arranged at the periphery of the other side of the crossing support area 1, and the first pile driving area 2 and the second pile driving area 3 are arranged at the outer side of the subway line protection area and are symmetrically arranged. One row or a plurality of rows of concrete piles 4 are respectively arranged in the first pile driving area 2 and the second pile driving area 3, the concrete piles 4 are cast-in-place piles or concrete mixing piles, and the concrete piles 4 positioned on the same side are cast and arranged into an integral structure, so that the integral structure is used as an arc protection arch structure and a supporting foundation for bearing weight above.
One or more arc-shaped protection arches 6 distributed side by side are erected above the concrete piles 4 positioned on the left side and the concrete piles 4 positioned on the right side, the arc-shaped protection arches 6 span from the right above the spanning supporting area 1, and the span of the arc-shaped protection arches 6 is larger than the maximum width of the spanning supporting area 1. The adjacent arc-shaped protection arches 6 are fixedly connected through the arc-shaped connecting members 8, and a plurality of arc-shaped protection arches 6 can be poured into an integral structure, so that the adverse effect of exciting force generated in the construction process on subway lines is avoided. The outside of the concrete pile 4 is provided with an end anchoring seat 5, the end of the arc-shaped protection arch 6 is fixed on the end anchoring seat 5, a tensioning hole is formed in the end anchoring seat 5, the outer end of the Zhang Lakong is provided with a tensioning anchoring seat, a plurality of prestressed reinforcements 7 or prestressed steel cables are arranged in the arc-shaped protection arch 6, and the prestressed reinforcements 7 or the prestressed steel cables are fixed on the end anchoring seat 5 after being prestressed and tensioned.
A plurality of arc steel frames 10 which are spliced and fixed are erected on soil bodies which span the periphery above the supporting area 1, a bottom template 11 is installed on the arc steel frames 10, the bottom template 11 is an aluminum template with an arc surface, and the arc surface of the bottom template 11 corresponds to the bottom arc of the arc protection arch 6. The span of the arc steel frame 10 is larger than the maximum width of the span support area 1, and when the arc protection arch 6 is solidified, the arc steel frame 10 and the bottom template 11 can be removed and can be reused.
In addition, a plurality of equidistant cambered surface window holes 9 are formed in the cambered surface protection arch 6 and the cambered surface connecting member 8 in a crisscross mode, the cambered surface window holes 9 are distributed vertically and horizontally along the cambered surface, and cast-in-place concrete or a concrete cover plate is poured and filled in the cambered surface window holes 9. The upper span support area 1 not only can vertically span, but also can span at a certain included angle with the axis of the subway line.
The foregoing is a further detailed description of the present application in connection with the detailed description, and it is not intended to limit the practice of the utility model to such descriptions, but rather to limit the scope of the utility model to the particular embodiments described, since various simple substitutions, modifications and changes may be made by those skilled in the art without departing from the spirit of the utility model.
Claims (7)
1. An underground utility tunnel support structure with an underground internal support system, comprising a spanning support area (1), characterized in that: one side periphery of crossing over the support region (1) is first pile driving region (2), the other side periphery of crossing over the support region (1) is second pile driving region (3), be provided with one or more rows of concrete piles (4) respectively in first pile driving region (2) and second pile driving region (3), concrete piles (4) that are located same side are pour and are set up to an overall structure, the top between concrete piles (4) that are located left side and concrete piles (4) that are located right side has erect and has spanned one or more arc protection arches (6) that span over the support region (1) side by side, the span of arc protection arch (6) is greater than the maximum width of crossing over the support region (1).
2. A utility tunnel support structure with an in-the-field support system as set forth in claim 1 wherein: a plurality of arc steel frames (10) which are fixedly spliced are erected on soil bodies on the periphery above the supporting area (1), a bottom template (11) is installed on each arc steel frame (10), and the span of each arc steel frame (10) is larger than the maximum width of the supporting area (1).
3. A utility tunnel support structure with an in-the-field support system as set forth in claim 1 wherein: the outside of concrete pile (4) is provided with tip anchor seat (5), and the tip of arc protection arch (6) is fixed on tip anchor seat (5), and the inside of tip anchor seat (5) is provided with the stretch-draw hole, and the outer end of Zhang Lakong is provided with the stretch-draw anchor seat.
4. A utility tunnel support structure with an in-the-field support system as set forth in claim 1 wherein: the inner part of the arc-shaped protection arch (6) is provided with a plurality of prestressed steel bars (7) or prestressed steel cables, and the end parts of the prestressed steel bars (7) or the prestressed steel cables are fixedly arranged on the tensioning anchor seat.
5. A utility tunnel support structure with an in-the-field support system as set forth in claim 1 wherein: the adjacent arc-shaped protection arches (6) are fixedly connected through arc-shaped connecting members (8), a plurality of equidistant arc-shaped window holes (9) are formed by criss-cross of the arc-shaped protection arches (6) and the arc-shaped connecting members (8), and cast-in-place concrete or a concrete cover plate is poured and filled in the arc-shaped window holes (9).
6. A utility tunnel support structure with an in-the-field support system as set forth in claim 1 wherein: the upper surface arc surface of the arc-shaped protection arch (6) is provided with a backfill area (22), and the upper surface of the backfill area (22) is arranged horizontally.
7. A utility tunnel support structure with an in-the-field support system as claimed in claim 2, wherein: the bottom template (11) is an aluminum template with an arc surface, and the arc surface of the bottom template (11) corresponds to the bottom arc of the arc-shaped protection arch (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223452835.XU CN219157759U (en) | 2022-12-23 | 2022-12-23 | Underground comprehensive pipe rack supporting structure with underground internal supporting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223452835.XU CN219157759U (en) | 2022-12-23 | 2022-12-23 | Underground comprehensive pipe rack supporting structure with underground internal supporting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219157759U true CN219157759U (en) | 2023-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223452835.XU Active CN219157759U (en) | 2022-12-23 | 2022-12-23 | Underground comprehensive pipe rack supporting structure with underground internal supporting system |
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| Country | Link |
|---|---|
| CN (1) | CN219157759U (en) |
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2022
- 2022-12-23 CN CN202223452835.XU patent/CN219157759U/en active Active
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