CN217518662U - Segment splicing component and small-size rectangular shield segment structure with same - Google Patents
Segment splicing component and small-size rectangular shield segment structure with same Download PDFInfo
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- CN217518662U CN217518662U CN202221520114.5U CN202221520114U CN217518662U CN 217518662 U CN217518662 U CN 217518662U CN 202221520114 U CN202221520114 U CN 202221520114U CN 217518662 U CN217518662 U CN 217518662U
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- jurisdiction
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Abstract
The utility model discloses a section of jurisdiction concatenation component and have small-size rectangle shield structure section of jurisdiction structure of this concatenation component. The utility model discloses including two pre-buried steel members, pre-buried steel member is one end opening, inside hollow cube structure, and two pre-buried steel members are used for fixedly being equipped with a plurality of pre-buried steel sheet anchor bars on the terminal surface of being connected with the shield structure section of jurisdiction, and two pre-buried steel members are kept away from and have all been seted up on the terminal surface of shield structure section of jurisdiction and have been reserved the bolt hole, and the bolt passes two pre-buried steel members and sets up the screw connection nut behind the reservation bolt hole, and it has polymer cement mortar layer still to fill in the pre-buried steel member. The construction of the shield segment is safe and reasonable, economical and practical, the problem of mid-span vertical stress of the small-size rectangular shield segment is effectively solved, and the structural design requirement is met.
Description
Technical Field
The utility model relates to an electric power tunnel or shield tunnel technical field, concretely relates to section of jurisdiction concatenation component and have small-size rectangle shield structure section of jurisdiction structure of this concatenation component.
Background
The stress mechanisms of the rectangular shield segment and the circular shield segment are completely different, and the small-size rectangular shield segment is transversely spliced at a plurality of positions with larger side wall bending moment. The existing splicing mode and the construction mode of splicing nodes are difficult to bear the vertical bending moment of the side wall, and great potential safety hazards are brought to engineering. Therefore, a reasonable structure of the transverse splicing node of the shield segment is needed, and the problem of mid-span vertical stress of the small-size rectangular shield segment is solved. For this reason, the applicant has designed a shield segment splicing member suitable for a small-sized rectangular shield segment.
SUMMERY OF THE UTILITY MODEL
In order to compensate for the deficiencies of the prior art, the utility model provides a section of jurisdiction concatenation component and have small-size rectangle shield structure section of jurisdiction structure of this concatenation component.
The technical scheme of the utility model is that:
the utility model provides a shield constructs section of jurisdiction concatenation component, includes two pre-buried steel members, pre-buried steel member is one end opening, inside hollow cube structure, pre-buried steel member is used for the fixed a plurality of pre-buried steel sheet anchor bars that are equipped with on the terminal surface of being connected with the shield structure section of jurisdiction, pre-buried steel member has been kept away from and has been seted up reserved bolt hole on the terminal surface of shield structure section of jurisdiction, and the bolt passes the threaded connection nut behind the reserved bolt hole that sets up on two pre-buried steel members, it has polymer cement mortar layer still to fill in the pre-buried steel member.
Preferably, all be equipped with gasket and rubber seal between nut and the pre-buried steel member and between the head of bolt and the pre-buried steel member, rubber seal is located between gasket and the pre-buried steel member.
Preferably, the number of the embedded steel plate anchor bars is at least three.
Preferably, still vertically be equipped with a plurality of stiffening ribs in the pre-buried steel member.
Preferably, the number of the stiffeners is at least two.
The utility model provides a small-size rectangle shield constructs section of jurisdiction structure with foretell shield constructs section of jurisdiction concatenation component, includes the shield constructs the section of jurisdiction of two n style of calligraphy, and two shield constructs the section of jurisdiction and forms a rectangle shield and constructs section of jurisdiction structure through two shield constructs section of jurisdiction concatenation component fixed connection.
Preferably, the pre-buried steel sheet anchor bar that sets up on the pre-buried steel member is buried underground in the shield pipe piece, the pre-buried steel member is equipped with the terminal surface and the shield pipe piece fixed connection of pre-buried steel sheet anchor bar.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the construction of the application is safe and reasonable, economical and practical, the problem of vertical stress during the span of the small-size rectangular shield segment is effectively solved, the structural design requirement is met, and the embedded steel structure assembly node meets the standard requirement.
Under the great condition of buried depth, traditional small-size rectangle shield section of jurisdiction receives great side direction water pressure and soil pressure effect can produce great moment of flexure and shear force in the vertical midspan of small-size rectangle shield section of jurisdiction lateral wall, this kind of small-size rectangle shield section of jurisdiction structure in this application, its two shield sections of jurisdiction are through two shield section of jurisdiction concatenation component fixed connection, and shield section of jurisdiction concatenation component can be better bear above-mentioned effect, reduce the section of jurisdiction deformation here, again the cooperation of bolt and nut is used and can effectively resist the moment of flexure that produces again in this application, it is exactly particularly, the great moment of flexure that produces in the vertical midspan of lateral wall is converted into the pulling force at the section of jurisdiction inner wall, and the pulling force that produces can be resisted to the bolt in this application, replace the effect of reinforcing bar in the complete section of jurisdiction structure.
Drawings
FIG. 1 is a schematic structural diagram of a shield segment splicing member according to the present application;
FIG. 2 is a schematic front view of a connection relationship among pre-buried steel members, pre-buried steel plate anchor bars, polymer cement mortar layers and stiffening ribs in the present application;
FIG. 3 is a schematic structural view of a cross-sectional view of the connection relationship of the embedded steel members, bolts, nuts, gaskets and rubber seal rings;
fig. 4 is a schematic structural view of a small-sized rectangular shield segment structure having a shield segment splicing member in the present application.
In the figure: 1 pre-buried steel member, 2 pre-buried steel sheet anchor bars, 3 bolts, 4 nuts, 5 stiffening ribs, 6 gaskets, 7 rubber seal, 8 polymer cement mortar layers, 9 shield segments, and 10 reserved bolt holes.
Detailed Description
As shown in fig. 1 to 3, a shield segment splicing member comprises two pre-buried steel members 1, each pre-buried steel member 1 is a cubic structure with an open end and a hollow interior, the front end surface of each pre-buried steel member 1 is an open end, six pre-buried steel plate anchor bars 2 are fixedly arranged on the end surface of each pre-buried steel member 1 for connecting with a shield segment 9, six reserved bolt holes 10 are formed in the end surface of each pre-buried steel member 1 away from the shield segment 9, bolts 3 penetrate through the reserved bolt holes 10 formed in the two pre-buried steel members 1 and then are connected with nuts 4 in a threaded manner, two stiffening ribs 5 are longitudinally arranged in each pre-buried steel member 1, gaskets 6 and rubber sealing rings 7 are arranged between the nuts 4 and the pre-buried steel members 1 and between the head of the bolts 3 and the pre-buried steel members 1, the rubber sealing rings 7 are arranged between the gaskets 6 and the pre-buried steel members 1, and polymer cement mortar layers 8 are further filled in the pre-buried steel members 1, the stiffening ribs 5, the bolts 3, the nuts 4, the gaskets 6 and the rubber sealing rings 7 are all positioned in the polymer cement mortar layer 8.
As shown in fig. 1 to 4: a small-size rectangular shield segment structure with the shield segment splicing member comprises two n-shaped shield segments 9, wherein the two shield segments 9 are fixedly connected through the two shield segment splicing members to form a rectangular shield segment structure; in the embodiment, the embedded steel plate anchor bars 2 arranged on the embedded steel member 1 are embedded in the shield segment 9, and the end face of the embedded steel member 1 provided with the embedded steel plate anchor bars 2 is fixedly connected with the end face of the shield segment 9; six reserved bolt holes 10 have all been seted up on the terminal surface that shield section of jurisdiction 9 was kept away from to two pre-buried steel members 1 in each shield constructs section of jurisdiction concatenation component, threaded connection nut 4 behind the reserved bolt hole 10 that bolt 3 passed and set up on two pre-buried steel members 1, still vertically be equipped with two stiffening ribs 5 in pre-buried steel member 1, still all be equipped with gasket 6 and rubber seal 7 between nut 4 and the pre-buried steel member 1 and between bolt 3's head and the pre-buried steel member 1, wherein, rubber seal 7 is located between gasket 6 and the pre-buried steel member 1, furthermore, it has polymer cement mortar layer 8 still to fill in the pre-buried steel member 1, stiffening rib 5, bolt 3, nut 4, gasket 6 and rubber seal 7 all are located polymer cement mortar layer 8.
In the application, the pre-buried steel members of the shield segment splicing member are all prefabricated in a factory, after the pre-buried steel members are prefabricated, the pre-buried steel plate anchor bars are welded on the pre-buried steel members, then pouring and forming are carried out to obtain a structure that the pre-buried steel member and the shield segment are stably connected together, at the moment, the pre-buried steel plate anchor bars are already buried in the shield segment obtained by pouring and forming, then, the worker can hoist and assemble the two adjacent sections of pipe sheets according to the method shown in fig. 4, after the reserved bolt holes in the two embedded steel members shown in fig. 3 are aligned, the matched bolt and nut shown in fig. 3 can be used for screwing and fixing, finally, the worker can fill polymer cement mortar into the cavity of the embedded steel member to form a polymer cement mortar layer, at the moment, the stiffening ribs, bolts, nuts, gaskets and rubber sealing rings are all sealed in the polymer cement mortar layer.
Claims (7)
1. A tube sheet splicing member is characterized in that: including two pre-buried steel members, pre-buried steel member is one end opening, inside hollow cube structure, pre-buried steel member is used for fixedly being equipped with a plurality of pre-buried steel sheet anchor bars on the terminal surface of being connected with the shield structure section of jurisdiction, pre-buried steel member has been kept away from and has been seted up the reservation bolt hole on the terminal surface of shield structure section of jurisdiction, and the bolt passes the reservation bolt hole back threaded connection nut that sets up on two pre-buried steel members, it has polymer cement mortar layer still to fill in the pre-buried steel member.
2. The segment splicing member of claim 1, wherein: all be equipped with gasket and rubber seal between nut and the pre-buried steel member and between the head of bolt and the pre-buried steel member, rubber seal is located between gasket and the pre-buried steel member.
3. The segment splicing member of claim 1, wherein: the number of the embedded steel plate anchor bars is at least three.
4. The segment splicing member according to claim 1 or 2, wherein: still vertically be equipped with a plurality of stiffening ribs in the pre-buried steel member.
5. The segment splicing member of claim 4, wherein: the number of the stiffening ribs is at least two.
6. A small-sized rectangular shield segment structure having the segment splicing member of claim 1, characterized in that: the shield segment structure comprises two n-shaped shield segments, wherein the two shield segments are fixedly connected through two segment splicing members to form a rectangular shield segment structure.
7. A small-sized rectangular shield segment structure having the segment splicing member of claim 1, characterized in that: the pre-buried steel sheet anchor bar that sets up on the pre-buried steel member buries underground in the shield pipe section, the pre-buried steel member is equipped with the terminal surface and the shield of pre-buried steel sheet anchor bar section fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221520114.5U CN217518662U (en) | 2022-06-17 | 2022-06-17 | Segment splicing component and small-size rectangular shield segment structure with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221520114.5U CN217518662U (en) | 2022-06-17 | 2022-06-17 | Segment splicing component and small-size rectangular shield segment structure with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217518662U true CN217518662U (en) | 2022-09-30 |
Family
ID=83391538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221520114.5U Active CN217518662U (en) | 2022-06-17 | 2022-06-17 | Segment splicing component and small-size rectangular shield segment structure with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217518662U (en) |
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2022
- 2022-06-17 CN CN202221520114.5U patent/CN217518662U/en active Active
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