CN214836425U - Seepage-proofing and waterproof tunnel structure - Google Patents
Seepage-proofing and waterproof tunnel structure Download PDFInfo
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- CN214836425U CN214836425U CN202023326667.0U CN202023326667U CN214836425U CN 214836425 U CN214836425 U CN 214836425U CN 202023326667 U CN202023326667 U CN 202023326667U CN 214836425 U CN214836425 U CN 214836425U
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Abstract
The utility model relates to a prevention of seepage waterproof tunnel structure. The technical scheme of the utility model is that: a first groove which is parallel to the axial direction of the segment monomer and is arranged in a full length way is formed on the radial side surface of the segment monomer; a second groove arranged along the circumferential through length of the duct piece monomer is formed in the circumferential side surface of the duct piece monomer, and a grouting half hole extending from the second groove to the inner side surface of the duct piece monomer is formed in the circumferential side surface of the duct piece monomer; two adjacent pipe piece monomers in the lining ring are contacted through radial side surfaces, the positions of first grooves on the two contacted radial side surfaces correspond to each other, and water stop bars are filled in the first grooves; the tunnel segment lining structure is characterized in that annular side faces of adjacent two lining rings are in contact through segment monomers, the positions of two annular side faces in contact are corresponding to those of a second groove, grouting half holes are spliced to form grouting holes, waterproof mortar is filled in the second grooves through the grouting holes, and sealing plugs are plugged in the orifices of the grouting holes. The utility model is suitable for a tunnel waterproof construction technical field.
Description
Technical Field
The utility model relates to a prevention of seepage waterproof tunnel structure. The tunnel waterproof structure is applicable to the technical field of tunnel waterproof structures.
Background
The duct piece is a prefabricated arc-shaped sheet component for lining support in the tunneling process of a full-face Tunnel Boring Machine (TBM); the method can be used as a temporary supporting measure for TBM excavation and also can be used as a permanent supporting measure for a tunnel. And (3) when the TBM is excavated, the segment installation of the exposed rock wall can be immediately carried out after the excavation. The segment lining is composed of multiple ring segments along the longitudinal direction of the tunnel, and each ring segment is formed by connecting a plurality of segments through circumferential bolts; and at the later stage, the bean gravel and the grouting are filled between the duct piece and the rock wall, so that the rock wall and the duct piece form a whole, and the duct piece can play a role in supporting a local unstable rock body, resisting the external rock pressure and the underground water pressure and keeping the hole shape.
In the actual production work at present, the segment which is produced by matching with the TBM is tile-shaped, the surfaces of the inner side and the outer side of the segment are smooth arc surfaces, and the other four side surfaces are provided with water stop strips and water stop sheets in an attached mode. The tunnel segment is arranged under the ground surface, and water seepage is easy to occur. And the splicing position of the tunnel segment has a gap inevitably, so that the splicing position of the tunnel segment is the place with the most serious water seepage and needs to be improved.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: aiming at the existing problems, an anti-seepage waterproof tunnel structure is provided.
The utility model adopts the technical proposal that: the utility model provides a prevention of seepage waterproof tunnel structure, has tunnel segment lining cutting structure, and tunnel segment lining cutting structure includes a plurality of lining cutting circles of group, and every lining cutting circle of group encloses into the round by a plurality of end to end's section of jurisdiction monomer, its characterized in that:
a first groove which is parallel to the axial direction of the segment monomer and is arranged in a full-length mode is formed in the radial side face of the segment monomer; a second groove arranged along the circumferential through length of the duct piece monomer is formed in the circumferential side surface of the duct piece monomer, and a grouting half hole extending from the second groove to the inner side surface of the duct piece monomer is formed in the circumferential side surface of the duct piece monomer;
two adjacent pipe piece monomers in the lining ring are contacted through radial side surfaces, the positions of first grooves on the two contacted radial side surfaces correspond to each other, and water stop bars are filled in the first grooves;
the tunnel segment lining structure is characterized in that annular side faces of adjacent two lining rings are in contact through segment monomers, the positions of two annular side faces in contact are corresponding to those of a second groove, grouting half holes are spliced to form grouting holes, waterproof mortar is filled in the second grooves through the grouting holes, and sealing plugs are plugged in the orifices of the grouting holes.
The outer surface of the segment monomer is provided with a strip rib arranged along the axial direction of the segment monomer and an arc rib arranged along the circumferential direction of the segment monomer.
The strip-shaped ribs are arranged corresponding to two radial side surfaces of the duct piece monomer; the arc ribs are arranged corresponding to the two annular side faces of the duct piece monomer.
The first groove is formed on the bar rib, and the second groove is formed on the arc rib.
The utility model has the advantages that: the utility model is provided with the first groove and the second groove on the radial side and the circumferential side of the segment monomer respectively, and when two adjacent segment monomers are spliced, the first groove is filled with the water stop strip; after the two adjacent lining rings are spliced, waterproof mortar is injected into the second groove, the water stop bars and the waterproof mortar are used for blocking splicing gaps of adjacent segments, and the problem of water seepage of the splicing gaps of the tunnel segments is solved.
The utility model discloses the free lateral surface of section of jurisdiction is equipped with strip type rib and arc rib, all adopts glossy structure to compare with the surface of traditional tunnel section of jurisdiction, and setting up of strip type rib and arc rib has increased the free intensity of section of jurisdiction.
Drawings
Fig. 1 is a schematic structural diagram of the embodiment.
Fig. 2 is a sectional view of the embodiment.
Fig. 3 is a sectional view taken along line a-a of fig. 2.
Fig. 4 is a cross-sectional view B-B of fig. 2.
Fig. 5 is a schematic structural view of a segment monomer in the example.
Fig. 6 is a circumferential side view of a single segment of a tube sheet in an example embodiment.
1. A tunnel segment lining structure; 11. a segment single body; 12. a bar-shaped rib; 13. an arcuate rib; 14. grouting a half hole; 15. a first groove; 16. a second groove; 17. waterproof mortar; 18. a water stop bar; 19. and (6) sealing the plug.
Detailed Description
This embodiment is a prevention of seepage waterproof tunnel structure, including tunnel segment lining cutting structure 1, tunnel segment lining cutting structure 1 includes a plurality of group's lining cutting circle, and every group's lining cutting circle all includes six section of jurisdiction monomers 11 that the head and the tail links into the round.
In the embodiment, the duct piece monomer 11 is a reinforced concrete prefabricated structure, the duct piece monomer 11 is integrally of an arc-shaped structure, the edge of the outer side surface of the duct piece monomer 11 is provided with a strip rib 12 and an arc rib 13, wherein the strip rib 12 corresponds to the radial side surface of the duct piece monomer 11, and the side surface of the strip rib 12 is flush with the radial side surface to form an integral body; the arc rib 13 corresponds to the circumferential side of the segment monomer 11 and the side of the arc rib 13 is flush with the circumferential side to form a whole.
In the embodiment, a first groove 15 which is parallel to the axial direction of the duct piece single body 11 and is arranged throughout the length is formed on the side surface of the strip-shaped rib 12, and the depth of the first groove 15 is 1/2 of the width of the strip-shaped rib 12; the side surface of the arc rib 13 is provided with a second groove 16 which is arranged along the circumferential direction and the full length of the segment single body 11, the radian of the arc rib 13 and the radian of the second groove 16 are both the same as the radian of the segment single body 11, and the depth of the second groove 16 is 1/2 of the thickness of the arc rib 13; the annular side surface of the pipe piece monomer 11 is provided with a grouting half hole 14 extending from the second groove 16 to the inner side surface of the pipe piece monomer, and the grouting half hole 14 is a half circular hole.
When two adjacent segment monomers 11 in the lining ring are spliced, the radial side surfaces of the two segment monomers 11 are contacted, the first grooves 15 on the two contacted radial side surfaces are mutually corresponding, and the first grooves 15 are filled with water stop bars 18; when two adjacent lining circle splices, 11 pipe sheet monomers in two sets of lining circles are to the side contact in the hoop, and the second recess 16 on the two ring side that contact corresponds each other, and slip casting half hole 14 corresponds each other and pieces up a circular slip casting hole, fills waterproof mortar 17 toward second recess 16 through the slip casting hole, and waterproof mortar 17 fills to the 1/2 degree of depth in slip casting hole, and the drill way in slip casting hole is plugged in sealed end cap 19.
The construction method of the anti-seepage waterproof tunnel structure in the embodiment comprises the following steps:
the method comprises the following steps: prefabricating a segment single body 11 in a factory, prefabricating and molding a strip-shaped rib 12 and an arc-shaped rib 13 together in the prefabricating process, and reserving a grouting half hole 14, a first groove 15 and a second groove 16 in advance according to the size;
step two: the method comprises the following steps of (1) assembling a lining ring by adopting a full-face tunnel boring machine, wherein after a segment monomer 11 is installed, water stop strips 18 are filled in first grooves 15 on two sides, 1/2 thicknesses of the water stop strips 18 are clamped into the first grooves 15 of the segment monomer 11, the water stop strips 18 with the thickness of 1/2 are exposed temporarily, when the next segment monomer 11 is installed, the rest water stop strips 18 with the thickness of 1/2 are plugged into the first grooves 15 of the next segment monomer 11, then the two segment monomers 11 are connected by using bolts, and the segment monomers 11 are installed one by one until the segment monomers 11 enclose a circular closed structure, so that construction of a circle of lining ring is completed;
step three: constructing a circle of lining ring by adopting the method of the second step, wherein the positions of the second grooves 16 of the two circles of lining rings are corresponding to each other during construction, and the grouting half holes 14 on each segment monomer 11 are also corresponding to each other;
step four: after the construction of two adjacent circles of lining rings is finished, immediately injecting waterproof mortar 17 into the second groove 16 from the grouting hole until the waterproof mortar 17 overflows from the grouting hole 14, and plugging the grouting hole by using a sealing plug 19 to prevent the waterproof mortar 17 from continuously overflowing;
step five: and repeating the second step and the fourth step to complete the whole tunnel segment lining structure 1.
The above-mentioned embodiment is only used for explaining the utility model concept, and not to the limit of the utility model protection, and all utilize this concept to be right the utility model discloses carry out insubstantial change, all shall fall into the scope of protection of the utility model.
Claims (4)
1. The utility model provides a prevention of seepage waterproof tunnel structure, has tunnel segment lining cutting structure, and tunnel segment lining cutting structure includes a plurality of lining cutting circles of group, and every lining cutting circle of group encloses into the round by a plurality of end to end's section of jurisdiction monomer, its characterized in that:
a first groove which is parallel to the axial direction of the segment monomer and is arranged in a full-length mode is formed in the radial side face of the segment monomer; a second groove arranged along the circumferential through length of the duct piece monomer is formed in the circumferential side surface of the duct piece monomer, and a grouting half hole extending from the second groove to the inner side surface of the duct piece monomer is formed in the circumferential side surface of the duct piece monomer;
two adjacent pipe piece monomers in the lining ring are contacted through radial side surfaces, the positions of first grooves on the two contacted radial side surfaces correspond to each other, and water stop bars are filled in the first grooves;
the tunnel segment lining structure is characterized in that annular side faces of adjacent two lining rings are in contact through segment monomers, the positions of two annular side faces in contact are corresponding to those of a second groove, grouting half holes are spliced to form grouting holes, waterproof mortar is filled in the second grooves through the grouting holes, and sealing plugs are plugged in the orifices of the grouting holes.
2. The impermeable and waterproof tunnel structure according to claim 1, characterized in that: the outer surface of the segment monomer is provided with a strip rib arranged along the axial direction of the segment monomer and an arc rib arranged along the circumferential direction of the segment monomer.
3. The impermeable and waterproof tunnel structure according to claim 2, characterized in that: the strip-shaped ribs are arranged corresponding to two radial side surfaces of the duct piece monomer; the arc ribs are arranged corresponding to the two annular side faces of the duct piece monomer.
4. An impermeable and waterproof tunnel structure according to claim 3, characterized in that: the first groove is formed on the bar rib, and the second groove is formed on the arc rib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023326667.0U CN214836425U (en) | 2020-12-31 | 2020-12-31 | Seepage-proofing and waterproof tunnel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023326667.0U CN214836425U (en) | 2020-12-31 | 2020-12-31 | Seepage-proofing and waterproof tunnel structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214836425U true CN214836425U (en) | 2021-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023326667.0U Active CN214836425U (en) | 2020-12-31 | 2020-12-31 | Seepage-proofing and waterproof tunnel structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214836425U (en) |
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2020
- 2020-12-31 CN CN202023326667.0U patent/CN214836425U/en active Active
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